CN104441809A - Metal-fiber foamed aluminum composite layer plate and preparation method thereof - Google Patents
Metal-fiber foamed aluminum composite layer plate and preparation method thereof Download PDFInfo
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- CN104441809A CN104441809A CN201410692896.4A CN201410692896A CN104441809A CN 104441809 A CN104441809 A CN 104441809A CN 201410692896 A CN201410692896 A CN 201410692896A CN 104441809 A CN104441809 A CN 104441809A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
- B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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Abstract
The invention relates to a metal-fiber foamed aluminum composite layer plate. The composite layer plate comprises at least one metal plate layer, at least one fiber layer and at least one foamed aluminum layer, wherein the fiber layer and the foamed aluminum layer are alternately bonded through a high-temperature-resistant polymer adhesive compound; as the outermost layer, the metal plate layer is bonded with the fiber layer through a high-hardness polymer adhesive compound. The invention further relates to a preparation method of the metal-fiber foamed aluminum composite layer plate. The preparation method mainly comprises the following steps: surface decontaminating treatment is performed on the metal plate layer and the foamed aluminum layer, treated surfaces are coated with the high-temperature-resistant polymer adhesive compound and the high-hardness polymer adhesive compound, and pressure curing treatment is performed after all the layers are bonded together. Compared with a metal foamed aluminium sandwich structure, the metal-fiber foamed aluminum composite layer plate disclosed by the invention has a better mechanical property, a better characteristic of shock absorption and a better performance of sound insulation, and also has a good performance resistant to high-speed impact, a good capability resistant to bending deformation, an extremely high performance of fire resistance, and low cost.
Description
Technical field
The present invention relates to technical field of composite preparation, be specifically related to a kind of metallic fiber foamed aluminium composite layered plate and preparation method thereof.
Technical background
Foamed aluminium is a kind of new engineering material with excellent physical characteristic and good mechanical properties developed rapidly in the world in the later stage in the 1980's, little owing to having proportion, rigidity is large, specific surface is large, damping performance is good, soundproof effect is good, many-sided combining properties such as capability of electromagnetic shielding is high and there is the double action of 26S Proteasome Structure and Function, its research is in boats and ships industry, national defense industry, auto industry, bullet train, aerospace industry, the technical development forward position in the fields such as military and other weight dependence is industrial, and in national security, huge effect is played in scientific and technical research and the development of the national economy, as for sound-absorbing, vibration damping, shock resistance and energy-absorbing, electromagnetic shielding, heat insulation, many occasions such as heat exchange.Several functions combines by foamed aluminium, is that traditional material institute is inaccessiable.
Numerous research shows, based on the sandwich material of foamed aluminium, also referred to as sandwich structure material, has than single hardware and the more superior mechanical property of foamed aluminium material, makes composite construction under certain loading condition, demonstrate best mechanical property.Tradition sandwich structure is made up of double layer of metal plate and honeycomb aluminum or metal foam sandwich layer, but when being subject to bending load, metallic plate is easy to depart from sandwich layer.The metallic plate of usual employing is thinner, is easy to buckling failure under effect of stress, due to the poor ability that core material resistant to bending stresses destroys, causes core material to rupture, and then causes the inefficacy of sandwich structure.In order to improve the counter-bending deformation performance of sandwich boards, the final distortion that plate thickness effectively controls sandwich boards can be increased, but the increase of sandwich boards quality can be caused.In order to solve this contradiction, the shock proof foam metal battenboard of current lightweight, adopt Fiber Reinforced Metal Laminates that glass fibre or carbon fiber and titanium alloy or aluminium alloy form as outermost laminate, employing foamed aluminium is as core material.But there is following shortcoming: one is that Fiber Reinforced Metal Laminates preparation cost is high, particularly adopt titanium alloy fiber plymetal; Two is compare traditional sandwich structure, and because Fiber Reinforced Metal Laminates adopts titanium alloy or aluminium alloy, its heat conductivility is very high, and the fire protecting performance of prepared foam metal battenboard is not improved, and its damping performance and high temperature resistant property do not improve yet simultaneously.Therefore, improve the mechanical property of this kind of material, improve its anti-flammability, while counter-bending deformability and damping performance, reduce preparation cost and material weight to alleviate be have technical problem to be solved at present.
In view of above-mentioned defect, creator of the present invention obtains the present invention finally through long research and practice.
Summary of the invention
For solving above-mentioned technological deficiency, the technical solution used in the present invention is, first provides a kind of metallic fiber foamed aluminium composite layered plate, comprising: at least one deck sheet-metal layers, at least one deck fibrage and at least one deck foamed aluminium layer;
Described fibrage is alternately bonding with described foamed aluminium layer by high-temperature resistant polymer bonding agent compound;
Described sheet-metal layers is as outermost layer, bonding with described fibrage by high durometer polymeric bonding agent compound.
Wherein, the structure of described metallic fiber foamed aluminium composite layered plate is: sheet-metal layers described in one deck is bonding with fibrage described in one deck by described high durometer polymeric bonding agent compound, described fibrage is bonding by foamed aluminium layer described in described high-temperature resistant polymer bonding agent compound and one deck again, and the one side in order to described metallic fiber foamed aluminium composite layered plate uses.
Wherein, the structure of described metallic fiber foamed aluminium composite layered plate is: at least two-layer described fibrage is alternately bonding as laminboard layer with at least foamed aluminium layer described in one deck by described high-temperature resistant polymer bonding agent compound, two-layer described sheet-metal layers, respectively as outermost layer, is adhesively fixed by described high durometer polymeric bonding agent compound and described laminboard layer;
The upper and lower surface of described laminboard layer is described fibrage.
Wherein, described high-temperature resistant polymer bonding agent compound is the mixture of epoxy resin adhesive, curing agent, high temperature resistance micron particles material.
Wherein, described high durometer polymeric bonding agent compound is the mixture of epoxy resin adhesive, curing agent, high rigidity micron particles material.
Wherein, described sheet-metal layers is at least one in common carbon steel board, corrosion resistant plate, armor, pure aluminum plate, aluminium alloy plate, Pierced Aluminum Plank.
Wherein, described fibrage is monfil, single fiber-bundles or fiber cloth; The material of described fiber is at least one in alkali-free glass fibre, medium-alkali glass fibre, superhigh molecular weight polyethylene fibers, basalt fibre, aramid fiber, carbon fiber, silicon carbide fibre, boron fibre, alumina fibre.
Wherein, described curing agent is amine curing agent or acid anhydride type curing agent.
Secondly, a kind of method preparing above-mentioned metallic fiber foamed aluminium composite layered plate is provided, it is characterized in that, comprise the following steps:
Step 1, surface cleaning process is carried out to sheet-metal layers and foamed aluminium layer;
Comprise following sub-step:
Step 11, to swipe described sheet-metal layers surface by blasting treatment or with the mechanical means of sand papering, then use alcohol swab wiping, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, at least one side on described foamed aluminium layer surface of swiping, to exposing unsalted surface, is rinsed with clear water and within about 3 minutes, is removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, epoxy resin adhesive, curing agent and high rigidity micron particles material mixed form high durometer polymeric bonding agent compound;
Step 22, described epoxy resin adhesive, described curing agent and high temperature resistance micron particles material mixed form high-temperature resistant polymer bonding agent compound;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described sheet-metal layers on the surface;
Step 3, in order bonding described sheet-metal layers, described fibrage and described foamed aluminium layer;
Comprise following sub-step:
Step 31, the one side being coated with described high durometer polymeric bonding agent compound at described sheet-metal layers paste fibrage described in one deck, the one side being coated with described high-temperature resistant polymer bonding agent compound afterwards with described foamed aluminium layer is bonding, obtain the composite layered plate of described sheet-metal layers, described fibrage and described foamed aluminium layer, or by least two-layer described fibrage with at least foamed aluminium layer described in one deck is by described high-temperature resistant polymer bonding agent compound alternately bonding formation laminboard layer, the upper and lower surface of described laminboard layer is described fibrage;
Step 32, the described sheet-metal layers two pieces being coated with described high durometer polymeric bonding agent compound are bonding with the described fibrage of described laminboard layer upper and lower surface respectively, obtain the described metallic fiber foamed aluminium composite layered plate of sandwich;
Step 4, cure under pressure;
Comprise following sub-step:
Step 41, described metallic fiber foamed aluminium composite layered plate is placed in cure under pressure equipment, weight or pressure head is utilized to pressurize to described metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, makes described polymer bonding agent compound infiltrate in described fibrage hole and described foamed aluminium layer surface pore;
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
Wherein, described step 41 also adopts and is heating and curing, and applying pressure is 2000Pa, by the heating temperatures of described metallic fiber foamed aluminium composite layered plate to 120-180 DEG C.
Compared with prior art, beneficial effect of the present invention is: (1) metallic fiber foamed aluminium composite laminate structure has the mechanical property more more superior than metal foamed aluminium sandwich structure, particularly stretching, compression performance; (2) during the vibration of metallic fiber foamed aluminium composite layered plate, fibrolaminar deformation energy will change heat into and cause cushioning effect, and it mainly bears the shear stress between two kinds of metallic plates simultaneously.Therefore, the metallic fiber composite layered plate based on foamed aluminium shows more excellent shock-absorbing shock absorbing characteristics and more excellent sound insulation value; (3) foamed aluminium layer and fibrage have the performance of excellent impact resistant particularly anti-high speed impact, and therefore this metal fibrous foam aluminium composite layered plate has high energy absorption, can be applied under high strain rate and detonation wave condition; (4) owing to being mixed with the micron particles such as silicon nitride, titanium nitride material in polymer bonding agent compound, improve hardness and the high temperature resistant property of this metallic fiber foamed aluminium composite layered plate, there is excellent fire resistance; (5) because only have two coatings metallic plate, so alleviate the weight of this composite layered plate, preparation technology is simple simultaneously, and the micron particles material increased is without the method plated film of complexity, reduces cost; (6) this metallic fiber foamed aluminium composite layered plate has excellent environment durability; (7) metallic fiber foamed aluminium composite layered plate has good counter-bending deformability; (9) solve the common gluing sandwich compound foamed aluminum plate material that causes because organic binder bond heat endurance is low high temperature and fire-retardant in the restriction of application.
Accompanying drawing explanation
Fig. 1 is the structural representation of the metallic fiber foamed aluminium composite layered plate in the embodiment of the present invention one;
Fig. 2 a and 2b is structural representation and the structure chart of metallic fiber foamed aluminium composite layered plate in the embodiment of the present invention two;
Fig. 3 is the structural representation of the metallic fiber foamed aluminium composite layered plate in the present invention in embodiment three.
Detailed description of the invention
Understand technical scheme of the present invention and beneficial effect for ease of those skilled in the art, spy describes as follows to detailed description of the invention by reference to the accompanying drawings.
Embodiment one
A kind of metallic fiber foamed aluminium composite layered plate, its structure is at least one deck sheet-metal layers 1, at least one deck fibrage 2 and at least one deck foamed aluminium layer 3;
Described fibrage 2 is alternately bonding with described foamed aluminium layer 3 by high-temperature resistant polymer bonding agent compound, all bonding described fibrage 2 of upper and lower surface of described foamed aluminium layer 3;
Described sheet-metal layers 1 is bonding with described fibrage 2 by high durometer polymeric bonding agent compound as outermost layer.
Refer to shown in Fig. 1, it is the structural representation of metallic fiber foamed aluminium composite layered plate in the present invention.In figure, plymetal 1, fibrage 2 and foamed aluminium layer 3 are one deck, and as previously mentioned, are high durometer polymeric bonding agent compound between sheet-metal layers 1 and fibrage 2, are high-temperature resistant polymer bonding agent compound between fibrage 2 and foamed aluminium layer 3.By adding fibrage 2, this metallic fiber foamed aluminium composite layered plate is made to have more superior mechanical property than the composite layered plate of metal foamed aluminium sandwich structure, the performance particularly stretch, compressed; In addition, owing to adding high temperature resistance and high durometer polymeric bonding agent compound, improve composite layered plate high temperature resistance fire resistance of the present invention and counter-bending deformability; Composite layered plate in the present invention, during vibrating, causes damping used because the deformation energy with viscoelastic polymer bonding agent compound and fibrage 2 will change heat into.Meanwhile, fibrage 2 has good fire resistance, thus solves the application restriction of the common gluing sandwich compound foamed aluminum plate material caused because organic adhesive heat endurance is low.
Embodiment two
Refer to Fig. 2 a, it is metallic fiber foamed aluminium composite laminate structure schematic diagram of the present invention, Fig. 2 b is metallic fiber foamed aluminium composite laminate structure figure of the present invention, as we know from the figure, this structure is followed successively by straight carbon steel flaggy 1 from top to bottom, fibrage 2, foamed aluminium layer 3, fibrage 2 and straight carbon steel flaggy 1, it is high durometer polymeric bonding agent compound 21 between fibrage 2 and straight carbon steel flaggy 1, this high durometer polymeric bonding agent compound 21 is epoxy resin adhesive, the mixture of amine curing agent and titanium nitride micron particles material, and epoxy resin adhesive, when the mass ratio of amine curing agent and titanium nitride micron particles meets following relation (calculating by epoxy resin every part 100g), the effect that the cementability of this high durometer polymeric bonding agent compound 21 and titanium nitride micron particles play is optimum:
Wherein, the quality of the amine curing agent of w needed for 100g epoxy resin, M
afor the molecular weight of amine curing agent, n
hfor the reactive hydrogen atom number on amino in amine-type cure agent molecule, E is the epoxide number on a kind of epoxy resin, m
1for the quality of titanium nitride micron particles.
If epoxy resin is E-44 epoxy resin, ethylenediamine is curing agent, then the quality of this of 100g ethylenediamine curing agent needed for E-44 epoxy resin is:
The molecular weight M of ethylenediamine
a=60,
The reactive hydrogen atom number n of ethylenediamine
h=4,
E-44 epoxy resin E=0.4 ~ 0.47,
So the consumption of ethylenediamine curing agent is 6 ~ 7.05g,
The quality of titanium nitride micron particles is:
So the quality of titanium nitride micron particles is now 1.63 ~ 1.77g.
Be 100:(6 ~ 7.05 in mass ratio by E-44 epoxy resin adhesive, ethylenediamine and titanium nitride micron particles material): (1.63 ~ 1.77) mix, thus straight carbon steel flaggy 1 and fibrage 2 are adhesively fixed, make this material hardness increase simultaneously, improve its counter-bending deformability.
It is high-temperature resistant polymer bonding agent compound 22 between fibrage 2 and foamed aluminium layer 3, high-temperature resistant polymer bonding agent compound 22 in the present embodiment is mixtures of epoxy resin adhesive, amine curing agent and silicon nitride micron particles material, and the mass ratio of epoxy resin adhesive, amine curing agent and silicon nitride micron particles is when meeting following relation (calculating by epoxy resin every part 100g), the effect that the cementability of this high-temperature resistant polymer bonding agent compound 22 and silicon nitride micron particles play is optimum:
Wherein, the quality of the amine curing agent of w needed for 100g epoxy resin, M
afor the molecular weight of amine curing agent, n
hfor the reactive hydrogen atom number on amino in amine-type cure agent molecule, E is the epoxide number on a kind of epoxy resin, m
2for the quality of silicon nitride micron particles.
If epoxy resin is E-44 epoxy resin, ethylenediamine is curing agent, then the quality of this of 100g ethylenediamine curing agent needed for E-44 epoxy resin is:
The molecular weight M of ethylenediamine
a=60,
The reactive hydrogen atom number n of ethylenediamine
h=4,
E-44 epoxy resin E=0.4 ~ 0.47,
So the consumption of ethylenediamine curing agent is 6 ~ 7.05g,
The quality of silicon nitride micron particles is:
So the quality of silicon nitride micron particles is now 1.77 ~ 1.88g.
Be 100:(6 ~ 7.05 in mass ratio by E-44 epoxy resin adhesive, ethylenediamine and silicon nitride micron particles material): (1.77 ~ 1.88) mix, thus foamed aluminium layer 3 and fibrage 2 are adhesively fixed, make this material high temperature resistant property strengthen simultaneously, improve its fire resistance.
Fibrage 2 in the present embodiment is alkali-free glass fiber cloth, metallic fiber compound foamed aluminum plate equipment structure has the mechanical property more more superior than metal foamed aluminium sandwich structure, particularly stretch, compression performance, three-point bending is carried out to this metallic fiber foamed aluminium composite layered plate, longitudinal compression test, three-point bending strength reaches 62.8MPa, longitudinal compressive strength reaches 20.3MPa, three-point bending strength and the longitudinal compressive strength of the pure foam aluminium of same porosity of comparing and not fibre-bearing sandwich composite plate material are respectively 4.5MPa, 2.9MPa and 11.3MPa, 8.9MPa be greatly improved.Foamed aluminium layer 3 is coated by fibrage 2, has certain anticorrosive protective capability.Metallic fiber foamed aluminium composite laminate structure in the present invention is straight carbon steel flaggy 1, fibrage 2, foamed aluminium layer 3, fibrage 2, straight carbon steel flaggy 1 replace laying, during the vibration of this composite layered plate, fibrage 2, high durometer polymeric bonding agent compound 21 and high-temperature resistant polymer bonding agent compound 22 bear detrusion, and its damping characteristic is strengthened greatly.During vibrating, fibrage 2, high durometer polymeric bonding agent compound 21 and high-temperature resistant polymer bonding agent compound 22 mainly bear the shear stress between two-layer straight carbon steel flaggy 1.Therefore, the metallic fiber foamed aluminium composite layered plate in the present invention and product thereof have excellent shock-absorbing shock absorbing characteristics and excellent sound insulation value.In addition, metallic fiber foamed aluminium composite layered plate of the present invention has high environment durability, namely has stronger corrosion resistance and resistance to water soak.In use, because external environment is complicated and changeable, the materials such as the moisture in air, chemical contamination and material surface generation chemical action or electrochemical action cause corrosion to metallic fiber foamed aluminium composite layered plate.Although outer field straight carbon steel flaggy 1 is relatively easily corroded, when corrode further develop along the thickness direction of this composite layered plate time, the barrier that fibrage 2 can be used as corrosion stops the carrying out of corrosion.Although this fibrage 2 hygroscopicity is strong, fibrage 2 is closely coated by straight carbon steel flaggy 1, and stop moisture absorption behavior, therefore, at normal temperatures, the impact of humidity on metallic fiber foamed aluminium composite layered plate of the present invention is relatively less, thus reaches excellent environment durability.
Embodiment three
Refer to shown in Fig. 3, it is the structural representation of metallic fiber foamed aluminium composite layered plate of the present invention.Three layers of fibrage 2 and two layers of foam aluminium lamination 3 alternately bonding formation laminboard layer, two-layer stainless steel flaggy 1 is bonding with fibrage 2 as outermost layer, and fibrage 2 is bonding with described corrosion resistant plate 1 by high durometer polymeric bonding agent compound 21, high durometer polymeric bonding agent compound 21 in the present embodiment is epoxy resin adhesives, the mixture of acid anhydride type curing agent and titanium nitride micron particles material, and epoxy resin adhesive, when the mass ratio of acid anhydride type curing agent and titanium nitride micron particles meets following relation (calculating by epoxy resin every part 100g), the effect that the cementability of this high durometer polymeric bonding agent compound 21 and titanium nitride micron particles play is optimum:
Wherein, the quality of the amine curing agent of w needed for 100g epoxy resin, M
bfor the molecular weight of acid anhydride type curing agent, E is the epoxide number on a kind of epoxy resin, m
1for the quality of titanium nitride micron particles, 0.85 needed for the epoxy radicals of every molal weight the empirical value of the amount of acid anhydrides.
If epoxy resin is E-44 epoxy resin, phthalic anhydride is curing agent, then the quality of this of 100g phthalic acid anhydride curing agents needed for E-44 epoxy resin is:
The molecular weight M of phthalic anhydride
b=148,
E-44 epoxy resin E=0.4 ~ 0.47,
w
1＝0.85M
b*E＝0.85*148*0.4＝50.32g
w
2＝0.85M
b*E
2＝0.85*148*0.47＝59.13g
So the consumption of phthalic acid anhydride curing agents is 50.32 ~ 59.13g,
The quality of titanium nitride micron particles is:
So the quality of titanium nitride micron particles is now 4.73 ~ 5.13g.
Be 100:(50.32 ~ 59.13 in mass ratio by E-44 epoxy resin adhesive, phthalic anhydride and titanium nitride micron particles material): (4.73 ~ 5.13) mix, thus stainless steel flaggy 1 and fibrage 2 are adhesively fixed, make this material hardness increase simultaneously, improve its counter-bending deformability.
Bonding by high-temperature resistant polymer bonding agent compound 22 between fibrage 2 with foamed aluminium layer 3, high-temperature resistant polymer bonding agent compound 22 in the present embodiment is by the mixture of epoxy resin adhesive, acid anhydride type curing agent and silicon nitride micron particles material, and when showing that the mass ratio of epoxy resin adhesive, acid anhydride type curing agent and silicon nitride micron particles meets following relation (calculating by epoxy resin every part 100g), the effect that the cementability of this high-temperature resistant polymer bonding agent compound 22 and silicon nitride micron particles play is optimum:
Wherein, the quality of the amine curing agent of w needed for 100g epoxy resin, M
bfor the molecular weight of acid anhydride type curing agent, E is the epoxide number on a kind of epoxy resin, m
1for the quality of silicon nitride micron particles, 0.85 needed for the epoxy radicals of every molal weight the empirical value of the amount of acid anhydrides.
If epoxy resin is E-44 epoxy resin, phthalic anhydride is curing agent, then the quality of this of 100g phthalic acid anhydride curing agents needed for E-44 epoxy resin is:
The molecular weight M of phthalic anhydride
b=148,
E-44 epoxy resin E=0.4 ~ 0.47,
w
1＝0.85M
b*E＝0.85*148*0.4＝50.32g
w
2＝0.85M
b*E
2＝0.85*148*0.47＝59.13g
So the consumption of phthalic acid anhydride curing agents is 50.32 ~ 59.13g,
The quality of silicon nitride micron particles is:
So the quality of silicon nitride micron particles is now 4.52 ~ 4.88g.
Be 100:(50.32 ~ 59.13 in mass ratio by E-44 epoxy resin adhesive, phthalic anhydride and silicon nitride micron particles material): (4.52 ~ 4.88) mix, thus fibrage 2 and foamed aluminium layer 3 are adhesively fixed, make this material high temperature resistant property strengthen simultaneously, improve its fire resistance.
Fibrage 2 in the present embodiment is middle alkali glass monfil.
In the present embodiment, what sheet-metal layers adopted is stainless steel flaggy 1, and in addition, the material of sheet-metal layers can also be at least one in armor, pure aluminum plate, aluminium alloy plate, Pierced Aluminum Plank.
Wherein the material of fibrage 2 can also be at least one in superhigh molecular weight polyethylene fibers, basalt fibre, aramid fiber, carbon fiber, silicon carbide fibre, boron fibre or alumina fibre, and above-mentioned fibrous material can also using the form of single fiber-bundles as fibrage 2.
In the structure of the metallic fiber foamed aluminium composite layered plate in the present invention, except two outermost layers are respectively sheet-metal layers 1, what laminboard layer can be multi-layered foamed aluminium lamination 3 with multi-layer fiber layer 2 is alternately bonding.
Because fibrage 2 and foamed aluminium layer 3 all have high failure strain, so the metallic fiber foamed aluminium composite layered plate in the present invention has the performance of excellent impact resistant particularly anti-high speed impact, there is high energy absorption, therefore can be applied under high strain rate or detonation wave condition.When sheet-metal layers 1 deformation failure on top layer; foamed aluminium layer 3 is under the protection of the fibrage 2 and high durometer polymeric bonding agent composite bed 21 with high strength; the stress bent needed for destroying increases substantially; therefore the metallic fiber foamed aluminium composite layered plate in the present invention has excellent counter-bending deformability; and only have two sheet-metal layers, thus alleviate the weight of composite layered plate, because its structure is simple; preparation technology is simple, because this reducing cost.
Embodiment four
As as described in embodiment three, difference is, 1000 DEG C of burning 10min damage tests are carried out to the metallic fiber foamed aluminium composite layered plate that sheet-metal layers 1 is pure aluminum plate, result shows, side towards the fire side is under the high temperature of 1000 DEG C, fine aluminium flaggy 1 is melted, the glass layer 2 that fusing point is higher forms one deck barrier layer and stops flame to continue to spread, epoxy resin adhesive, acid anhydride type curing agent carbonization, the carburization zone formed and silicon nitride micron particles material cover foamed aluminium layer 3 top layer and form air barrier, hinder the transmission of heat, simultaneously because silicon nitride micron particles material is high temperature resistance material, unexposed interface is made still to keep complete, heat-conductive characteristic again due to foamed aluminium layer 3 is low, the glass layer 2 in final foamed aluminium layer 3 and the fiery face of the back of the body, high durometer polymeric bonding agent 21 and fine aluminium flaggy 1 all keep complete, thus solve the common gluing sandwich compound foamed aluminum plate material that causes because Organic adhesive heat endurance is low high temperature and fire-retardant in the restriction of application.
Embodiment five
As as described in embodiment three, difference is, when this metallic fiber foamed aluminium composite layered plate be applied in be not be strict with heat-resistant fireproof when, high-temperature resistant polymer bonding agent compound between the foamed aluminium of its sandwich structure and fibrage can be changed to common polymer bonding agent, namely silicon nitride micron particles material is no longer added, or it is just that fibrage outermost in sandwich structure is bonding with high-temperature resistant polymer bonding agent with between foamed aluminium layer, the common polymer bonding agent of nexine, or select to need the layer adding silicon nitride micron particles material according to desired properties, or add the micron particles material of other performances.
Embodiment six
The present embodiment provides a kind of method preparing above-mentioned metallic fiber foamed aluminium composite layered plate,
Before preparation, need first do some preparations, the foamed aluminium prepared by foam melt method adopts the mode of Linear cut to be cut into the sheet material of 1000mm × 500mm × 10mm, and thick for 1mm common carbon steel board is cut into the plate of 1000mm × 500mm, wherein the porosity of foamed aluminium is 87%.Adopt the alkali-free glass fiber cloth that 0.2mm is thick, be cut into 1000mm × 500mm in advance.Preparation method specifically comprises the steps:
Step 1, surface cleaning process is carried out to described straight carbon steel flaggy and described foamed aluminium layer;
Comprise following sub-step:
Step 11, by blasting treatment or with the mechanical means of sand papering swipe described straight carbon steel flaggy surface, in order to remove the oxide-film on its surface, and make its surface have certain roughness, to strengthen adhesive effect, use alcohol swab wiping again, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, at least one side on described foamed aluminium layer surface of swiping, to exposing unsalted surface, is rinsed with clear water and within about 3 minutes, is removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, E-44 epoxy resin adhesive, ethylenediamine and titanium nitride micron particles material are formed high durometer polymeric bonding agent compound for 100:6:1.63 mixes in mass ratio;
Step 22, described E-44 epoxy resin adhesive, described ethylenediamine curing agent and silicon nitride micron particles material are formed high-temperature resistant polymer bonding agent compound for 100:6:1.77 mixes in mass ratio;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described straight carbon steel flaggy on the surface;
By titanium nitride, silicon nitride micron particles material are directly mixed with epoxy resin adhesive and curing agent, the counter-bending distortion of this metallic fiber foamed aluminium composite layered plate and the ability of high temperature resistance can be improved, and avoid the more complicated method of utilization by the surface of micron particles material spraying at material, simplify technique, save cost;
Step 3, in order bonding described common carbon steel board, described alkali-free glass fiber cloth and described foamed aluminium layer;
Comprise following sub-step:
Step 31, the one side being coated with described high durometer polymeric bonding agent compound at described straight carbon steel flaggy pastes alkali-free glass fiber cloth described in one deck, the one side being coated with described high-temperature resistant polymer bonding agent compound afterwards with described foamed aluminium layer is bonding, obtain described straight carbon steel flaggy, the composite layered plate of described alkali-free glass fiber cloth layer and described foamed aluminium layer, or by least two-layer described alkali-free glass fiber cloth layer with at least foamed aluminium layer described in one deck by described high-temperature resistant polymer bonding agent compound alternately bonding formation laminboard layer, the upper and lower surface of described laminboard layer is described alkali-free glass fiber cloth layer,
Step 32, the described straight carbon steel flaggy two pieces being coated with described high durometer polymeric bonding agent compound are bonding with the described alkali-free glass fiber cloth of described laminboard layer upper and lower surface respectively, obtain the described metallic fiber foamed aluminium composite layered plate of sandwich;
Step 4, cure under pressure;
Comprise following sub-step:
Step 41, described metallic fiber foamed aluminium board is placed in cure under pressure equipment, weight or pressure head is utilized to pressurize to described metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, this high rigidity and high-temperature resistant polymer bonding agent compound is made to infiltrate in described alkali-free glass fiber cloth hole and described foamed aluminium layer surface pore, indeformable in order to ensure metal fibrous foam aluminium composite laminate structure, executing the stressed time should be no less than the time that curing agent and epoxy resin adhesive reach theoretical solidification intensity, and hardening time is 24h herein.
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
This preparation method is simple, reduces the production cost of this metallic fiber foamed aluminium composite layered plate.
Embodiment seven
The present embodiment provides a kind of method preparing the above-mentioned metallic fiber foamed aluminium composite layered plate with sandwich structure, before preparation, need first do some preparations, the foamed aluminium prepared by foam melt method adopts the mode of Linear cut to be cut into the sheet material of 1000mm × 500mm × 10mm, thick for 1mm Q235 steel plate is cut into the plate of 1000mm × 500mm, wherein the porosity of foamed aluminium is 90%.Be that the SW100A-100a type glass fabric of 0.1mm is cut into 1000mm × 500mm by thickness.Preparation method specifically comprises the steps:
Step 1, surface cleaning process is carried out to described Q235 steel plate layer and described foamed aluminium layer;
Comprise following sub-step:
Step 11, by blasting treatment or with the mechanical means of sand papering swipe described Q235 steel plate layer surface, in order to remove the oxide-film on its surface, and make its surface have certain roughness, to strengthen adhesive effect, use alcohol swab wiping again, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, at least one side on described foamed aluminium layer surface of swiping, to exposing unsalted surface, is rinsed with clear water and within about 3 minutes, is removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, E-44 epoxy resin adhesive, phthalic acid anhydride curing agents and titanium nitride micron particles material are formed high durometer polymeric bonding agent compound for 100:50.32:4.73 mixes in mass ratio;
Step 22, described E-44 epoxy resin adhesive, phthalic acid anhydride curing agents and silicon nitride micron particles material are formed high-temperature resistant polymer bonding agent compound for 100:50.32:4.52 mixes in mass ratio;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described Q235 steel plate layer on the surface;
By silicon nitride, titanium nitride micron particles material are directly mixed with epoxy resin adhesive and curing agent, the high temperature resistance of this metallic fiber foamed aluminium composite layered plate and the ability of counter-bending distortion can be improved, and avoid the more complicated method of utilization by the surface of micron particles material spraying at material, simplify technique, save cost;
Step 3, in order bonding described Q235 steel plate layer, described SW100A-100a type glass fabric and described foamed aluminium layer;
Comprise following sub-step:
Step 31, SW100A-100a type glass fabric described in the bonding one deck of one side applying described high durometer polymeric bonding agent compound in described Q235 steel plate layer, the one side applying described high-temperature resistant polymer bonding agent compound afterwards with foamed aluminium layer is bonding, described high-temperature resistant polymer bonding agent compound is applied at the another side of described foamed aluminium, SW100A-100a type glass fabric described in bonding one deck again, bonding with one deck Q235 steel plate layer finally by described high durometer polymeric bonding agent compound, namely in the middle of composite layered plate, form the fiber cloth laminboard layer alternately bonding with foamed aluminium, obtain Q235 steel plate layer, SW100A-100a type glass fabric, foamed aluminium layer, SW100A-100a type glass fabric, the metallic fiber foamed aluminium composite layered plate (structure as shown in figures 2 a and 2b) of Q235 steel plate layer structure.
Step 4, cure under pressure;
Comprise following sub-step:
Step 41, described metallic fiber foamed aluminium board is placed in cure under pressure equipment, weight or pressure head is utilized to pressurize to described metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, this high rigidity and high-temperature resistant polymer bonding agent compound is made to infiltrate in described SW100A-100a type glass fabric hole and described foamed aluminium layer surface pore, indeformable in order to ensure metal fibrous foam aluminium composite laminate structure, executing the stressed time should be no less than the time that acid anhydride type curing agent and epoxy resin adhesive reach theoretical solidification intensity, is 24h herein.
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
Three-point bending, longitudinal compression test are carried out to gained metallic fiber foamed aluminium composite layered plate, three-point bending strength reaches 70.8MPa, longitudinal compressive strength reaches 28.7MPa, the pure foam aluminium of same porosity of comparing and the three-point bending strength of not fibrous sandwich composite plate material and longitudinal compressive strength is respectively 4.5MPa, 2.9MPa and 11.3MPa, 8.9MPa is greatly improved.
Embodiment eight
The present embodiment provides a kind of method preparing the above-mentioned metallic fiber foamed aluminium composite layered plate with sandwich structure, before preparation, need first do some preparations, the foamed aluminium prepared by foam melt method adopts the mode of Linear cut to be cut into the sheet material of 1000mm × 500mm × 10mm, thick for 1mm pure aluminum plate is cut into the plate of 1000mm × 500mm, wherein the porosity of foamed aluminium is 91.2%.Be that the EW120 alkali-free glass fiber cloth of 0.2mm is cut into 1000mm × 500mm by thickness.Preparation method specifically comprises the steps:
Step 1, surface cleaning process is carried out to fine aluminium flaggy and foamed aluminium layer;
Comprise following sub-step:
Step 11, by blasting treatment or with the mechanical means of sand papering swipe described fine aluminium flaggy surface, in order to remove the oxide-film on its surface, and make its surface have certain roughness, to strengthen adhesive effect, use alcohol swab wiping again, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, at least one side on described foamed aluminium layer surface of swiping, to exposing unsalted surface, is rinsed with clear water and within about 3 minutes, is removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, E-44 epoxy resin adhesive, ethylenediamine curing agent and titanium nitride micron particles material are formed high durometer polymeric bonding agent compound for 100:7.05:1.77 mixes in mass ratio;
Step 22, E-44 epoxy resin adhesive, ethylenediamine curing agent and silicon nitride micron particles material are formed high-temperature resistant polymer bonding agent compound for 100:7.05:1.88 mixes in mass ratio;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described fine aluminium flaggy on the surface;
By silicon nitride, titanium nitride micron particles material are directly mixed with epoxy resin adhesive and curing agent, the high temperature resistance of this metallic fiber foamed aluminium composite layered plate and the ability of counter-bending distortion can be improved, and avoid the more complicated method of utilization by the surface of micron particles material spraying at material, simplify technique, save cost;
Step 3, in order bonding described fine aluminium flaggy, described EW120 alkali-free glass fiber cloth and described foamed aluminium layer; Comprise following sub-step:
Step 31, EW120 alkali-free glass fiber cloth described in the bonding one deck of described pure aluminum plate flaggy coating high durometer polymeric bonding agent compound one side, the one side applying high-temperature resistant polymer bonding agent compound afterwards with described foamed aluminium is bonding, at the another side coating high-temperature resistant polymer bonding agent compound of described foamed aluminium, EW120 alkali-free glass fiber cloth described in bonding one deck again, bonding with one deck fine aluminium flaggy finally by high durometer polymeric bonding agent compound, namely in the middle of composite layered plate, form the fiber cloth laminboard layer alternately bonding with foamed aluminium, obtain pure aluminum plate, EW120 alkali-free glass fiber cloth, described foamed aluminium layer, EW120 alkali-free glass fiber cloth, the metallic fiber foamed aluminium composite layered plate (structure as shown in figures 2 a and 2b) of pure aluminum plate Rotating fields.
Step 4, cure under pressure;
Comprise following sub-step:
Step 41, described metallic fiber foamed aluminium composite layered plate is placed in cure under pressure equipment, weight or pressure head is utilized to pressurize to described metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, the cure under pressure time is 24 hours, and this high rigidity and high-temperature resistant polymer bonding agent compound are infiltrated in described EW120 alkali-free glass fiber cloth hole and described foamed aluminium layer surface pore.
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
Carry out three point bending test to gained metallic fiber foamed aluminium composite layered plate, three-point bending strength reaches 95.8MPa, and the strong 45.9MPa of three-point bending of not fibrous sandwich composite plate material of comparing, performance is greatly improved.
Embodiment nine
The present embodiment provides a kind of method preparing the above-mentioned metallic fiber foamed aluminium composite layered plate with sandwich structure, before preparation, need first do some preparations, the foamed aluminium prepared by foam melt method adopts the mode of Linear cut to be cut into the sheet material of 1000mm × 500mm × 10mm, thick for 1mm pure aluminum plate is cut into the plate of 1000mm × 500mm, wherein the porosity of foamed aluminium is 91.2%.Be that the SW210A-92a glass fabric of 0.21mm is cut into 1000mm × 500mm by thickness.Preparation method specifically comprises the steps:
Step 1, surface cleaning process is carried out to fine aluminium flaggy and described foamed aluminium layer;
Comprise following sub-step:
Step 11, by blasting treatment or with the mechanical means of sand papering swipe described fine aluminium flaggy surface, in order to remove the oxide-film on its surface, and make its surface have certain roughness, to strengthen adhesive effect, use alcohol swab wiping again, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, at least one side on described foamed aluminium layer surface of swiping, to exposing unsalted surface, is rinsed with clear water and within about 3 minutes, is removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, E-44 epoxy resin adhesive, phthalic acid anhydride curing agents and titanium nitride micron particles material are formed high durometer polymeric bonding agent compound for 100:59.13:5.13 mixes in mass ratio;
Step 22, described E-44 epoxy resin adhesive, described phthalic acid anhydride curing agents and silicon nitride micron particles material are formed high-temperature resistant polymer bonding agent compound for 100:59.13:4.88 mixes in mass ratio;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described fine aluminium flaggy on the surface;
By silicon nitride, titanium nitride micron particles material are directly mixed with epoxy resin adhesive and curing agent, the high temperature resistance of this metallic fiber foamed aluminium composite layered plate and the ability of counter-bending distortion can be improved, and avoid the more complicated method of utilization by the surface of micron particles material spraying at material, simplify technique, save cost;
Step 3, in order bonding described fine aluminium flaggy, described SW210A-92a glass fabric and described foamed aluminium layer;
Comprise following sub-step:
Step 31, the one side being mixed with high durometer polymeric bonding agent compound in described pure aluminum plate flaggy coating pastes SW210A-92a glass fabric described in one deck, the one side applying high-temperature resistant polymer bonding agent compound afterwards with described foamed aluminium is bonding, at the another side coating high-temperature resistant polymer bonding agent compound of described foamed aluminium, SW210A-92a glass fabric described in bonding one deck again, bonding with one deck fine aluminium flaggy finally by high durometer polymeric bonding agent compound, namely in the middle of composite layered plate, form the fiber cloth laminboard layer alternately bonding with foamed aluminium, obtain pure aluminum plate, SW210A-92a glass fabric, foamed aluminium layer, SW210A-92a glass fabric, the metallic fiber foamed aluminium composite layered plate (structure as shown in figures 2 a and 2b) of pure aluminum plate Rotating fields.
Step 4, cure under pressure;
Comprise following sub-step:
Step 41, described metallic fiber foamed aluminium board is placed in cure under pressure equipment, pressure head is adopted to carry out normal temperature pressurization to this metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, the cure under pressure time is 24 hours, and this high rigidity and high-temperature resistant polymer bonding agent compound are infiltrated in described SW210A-92a glass fabric hole and described foamed aluminium layer surface pore.
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
Carry out three point bending test to gained metallic fiber foamed aluminium composite layered plate, three-point bending strength reaches 120.2MPa.
Embodiment ten
The present embodiment provides a kind of method preparing the above-mentioned metallic fiber foamed aluminium composite layered plate with sandwich structure, before preparation, need first do some preparations, the foamed aluminium prepared by foam melt method adopts the mode of Linear cut to be cut into the sheet material of 1000mm × 500mm × 10mm, thick for 1mm pure aluminum plate is cut into the plate of 1000mm × 500mm, wherein the porosity of foamed aluminium is 87%.Employing thickness is the EW120 alkali-free glass fiber cloth of 0.2mm, is cut into 1000mm × 500mm in advance.Preparation method specifically comprises the steps:
Step 1, surface cleaning process is carried out to described fine aluminium flaggy and described foamed aluminium layer;
Comprise following sub-step:
Step 11, a surface by blasting treatment or described fine aluminium flaggy of swiping with the mechanical means of sand papering, in order to remove the oxide-film on its surface, and make its surface have certain roughness, to strengthen adhesive effect, use alcohol swab wiping again, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, two surfaces of described foamed aluminium layer of swiping, to exposing unsalted surface, are rinsed with clear water and within about 3 minutes, are removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, E-44 epoxy resin adhesive, ethylenediamine curing agent and titanium nitride micron particles material are formed high durometer polymeric bonding agent compound for 100:6.5:1.68 mixes in mass ratio;
Step 22, described E-44 epoxy resin adhesive, described ethylenediamine curing agent and titanium nitride micron particles material are formed high durometer polymeric bonding agent compound for 100:6.5:1.83 mixes in mass ratio;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described fine aluminium flaggy on the surface;
By silicon nitride, titanium nitride micron particles material are directly mixed with epoxy resin adhesive and curing agent, the high temperature resistance of this metallic fiber foamed aluminium composite layered plate and the ability of counter-bending distortion can be improved, and avoid the more complicated method of utilization by the surface of micron particles material spraying at material, simplify technique, save cost;
Step 3, in order bonding described fine aluminium flaggy, described EW120 alkali-free glass fiber cloth and described foamed aluminium layer;
Comprise following sub-step:
Step 31, at one side bonding one deck EW120 alkali-free glass fiber cloth of described fine aluminium flaggy coating high durometer polymeric bonding agent compound, the one side applying high-temperature resistant polymer bonding agent compound afterwards with described foamed aluminium is bonding, at the another side coating high-temperature resistant polymer bonding agent compound of described foamed aluminium, EW120 alkali-free glass fiber cloth described in bonding one deck again, according to above-mentioned steps bonding one deck foamed aluminium layer and one deck EW120 alkali-free glass fiber cloth again, bonding with fine aluminium flaggy finally by high durometer polymeric bonding agent compound, namely formed by three layers of EW120 alkali-free glass fiber cloth layer sandwich structure alternately bonding with two layers of foam aluminium lamination in the middle of two fine aluminium flaggies, obtain fine aluminium flaggy, EW120 alkali-free glass fiber cloth, foamed aluminium layer, EW120 alkali-free glass fiber cloth, foamed aluminium layer, EW120 alkali-free glass fiber cloth, the metallic fiber foamed aluminium composite layered plate (structure as shown in Figure 3) of pure aluminum plate Rotating fields.
Step 41, described metallic fiber foamed aluminium composite layered plate is placed in cure under pressure equipment, weight or pressure head is utilized to pressurize to described metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, this high rigidity and high-temperature resistant polymer bonding agent compound is made to infiltrate in described EW120 alkali-free glass fiber cloth hole and described foamed aluminium layer surface pore, described metallic fiber composite layered plate is heated to 180 DEG C simultaneously, thus accelerate the solidification of the epoxy resin adhesive being mixed with curing agent, shorten hardening time, improve production efficiency.Indeformable in order to ensure metal fibrous foam aluminium composite laminate structure, executing the stressed time should be no less than the time that curing agent and epoxy resin adhesive reach theoretical solidification intensity, adopts 24h hardening time.
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
This preparation method is simple, reduces the production cost of this metallic fiber foamed aluminium composite layered plate.
Embodiment 11
On the basis of above-described embodiment, the sheet-metal layers material of the metallic fiber foamed aluminium composite layered plate in the present invention can also be armor, Pierced Aluminum Plank; Fibrolaminar material can also be superhigh molecular weight polyethylene fibers, basalt fibre, aramid fiber, carbon fiber, boron fibre, alumina fibre etc.; Epoxy resin adhesive can also be phthalic acid polyglycidyl, polybutadiene epoxy resin etc.; Amine curing agent can also select diethylenetriamine, trimethylhexamethylenediamine etc., and acid anhydride type curing agent can also select maleic anhydride, pyromellitic acid anhydride etc.
Fibrage in above-described embodiment all fiber cloth is that example is described, and when adopting fiber cloth, needs in advance fiber cloth to be cut into the size identical with foamed aluminium with sheet-metal layers; Can also adopt monfil or single fiber-bundles, when adopting monofilament or single fiber-bundles, need first uniform winding on veneer mould, the mode adopting hoop to be wound around obtains the size identical with foamed aluminium with plymetal.
In addition, when this metallic fiber foamed aluminium composite layered plate be applied in be not be strict with heat-resistant fireproof when, high-temperature resistant polymer bonding agent compound between the foamed aluminium of its sandwich structure and fibrage can be changed to common polymer bonding agent, namely silicon nitride micron particles material is no longer added, or fibrage outermost in sandwich structure is bonding with high-temperature resistant polymer bonding agent with between foamed aluminium layer, or select to need the layer adding silicon nitride according to desired properties, or add the micron particles material of other performances.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes and amendment in the spirit and scope that the claims in the present invention limit to it, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (10)
1. a metallic fiber foamed aluminium composite layered plate, is characterized in that, comprising: at least one deck sheet-metal layers, at least one deck fibrage and at least one deck foamed aluminium layer;
Described fibrage is alternately bonding with described foamed aluminium layer by high-temperature resistant polymer bonding agent compound;
Described sheet-metal layers is as outermost layer, bonding with described fibrage by high durometer polymeric bonding agent compound.
2. metallic fiber foamed aluminium composite layered plate according to claim 1, it is characterized in that, the structure of described metallic fiber foamed aluminium composite layered plate is: sheet-metal layers described in one deck is bonding with fibrage described in one deck by described high durometer polymeric bonding agent compound, described fibrage is bonding by foamed aluminium layer described in described high-temperature resistant polymer bonding agent compound and one deck again, and the one side in order to described metallic fiber foamed aluminium composite layered plate uses.
3. metallic fiber foamed aluminium composite layered plate according to claim 2, it is characterized in that, the structure of described metallic fiber foamed aluminium composite layered plate is: at least two-layer described fibrage is alternately bonding as laminboard layer with at least foamed aluminium layer described in one deck by described high-temperature resistant polymer bonding agent compound, two-layer described sheet-metal layers, respectively as outermost layer, is adhesively fixed by described high durometer polymeric bonding agent compound and described laminboard layer;
The upper and lower surface of described laminboard layer is described fibrage.
4. metallic fiber foamed aluminium composite layered plate according to claim 3, is characterized in that, described high-temperature resistant polymer bonding agent compound is the mixture of epoxy resin adhesive, curing agent, high temperature resistance micron particles material.
5. metallic fiber foamed aluminium composite layered plate according to claim 3, is characterized in that, described high durometer polymeric bonding agent compound is the mixture of epoxy resin adhesive, curing agent, high rigidity micron particles material.
6. the metallic fiber foamed aluminium composite layered plate according to claim 4 or 5, is characterized in that, described sheet-metal layers is at least one in common carbon steel board, corrosion resistant plate, armor, pure aluminum plate, aluminium alloy plate, Pierced Aluminum Plank.
7. metallic fiber foamed aluminium composite layered plate according to claim 6, is characterized in that, described fibrage is monfil, single fiber-bundles or fiber cloth; The material of described fiber is at least one in alkali-free glass fibre, medium-alkali glass fibre, superhigh molecular weight polyethylene fibers, basalt fibre, aramid fiber, carbon fiber, silicon carbide fibre, boron fibre, alumina fibre.
8. metallic fiber foamed aluminium composite layered plate according to claim 7, is characterized in that, described curing agent is amine curing agent or acid anhydride type curing agent.
9. prepare a method for the arbitrary described metallic fiber foamed aluminium composite layered plate of claim 1-8, it is characterized in that, comprise the following steps:
Step 1, surface cleaning process is carried out to sheet-metal layers and foamed aluminium layer;
Comprise following sub-step:
Step 11, to swipe described sheet-metal layers surface by blasting treatment or with the mechanical means of sand papering, then use alcohol swab wiping, remove surface smut, rinse about 3 minutes post-dryings with clear water afterwards;
Step 12, the method adopting wire brush or steel wire lump machinery to swipe, at least one side on described foamed aluminium layer surface of swiping, to exposing unsalted surface, is rinsed with clear water and within about 3 minutes, is removed described foamed aluminium layer surface smut post-drying;
Step 2, coated polymer bonding agent compound;
Comprise following sub-step:
Step 21, epoxy resin adhesive, curing agent and high rigidity micron particles material mixed form high durometer polymeric bonding agent compound;
Step 22, described epoxy resin adhesive, described curing agent and high temperature resistance micron particles material mixed form high-temperature resistant polymer bonding agent compound;
Step 23, described high-temperature resistant polymer bonding agent compound is evenly coated in the purification of described foamed aluminium layer on the surface, described high durometer polymeric bonding agent compound is evenly coated in the purification of described sheet-metal layers on the surface;
Step 3, in order bonding described sheet-metal layers, described fibrage and described foamed aluminium layer;
Comprise following sub-step:
Step 31, the one side being coated with described high durometer polymeric bonding agent compound at described sheet-metal layers paste fibrage described in one deck, the one side being coated with described high-temperature resistant polymer bonding agent compound afterwards with described foamed aluminium layer is bonding, obtain the composite layered plate of described sheet-metal layers, described fibrage and described foamed aluminium layer, or by least two-layer described fibrage with at least foamed aluminium layer described in one deck is by described high-temperature resistant polymer bonding agent compound alternately bonding formation laminboard layer, the upper and lower surface of described laminboard layer is described fibrage;
Step 32, the described sheet-metal layers two pieces being coated with described high durometer polymeric bonding agent compound are bonding with the described fibrage of described laminboard layer upper and lower surface respectively, obtain the described metallic fiber foamed aluminium composite layered plate of sandwich;
Step 4, cure under pressure;
Comprise following sub-step:
Step 41, described metallic fiber foamed aluminium composite layered plate is placed in cure under pressure equipment, weight or pressure head is utilized to pressurize to described metallic fiber foamed aluminium composite layered plate, pressure is greater than 2000Pa, makes described polymer bonding agent compound infiltrate in described fibrage hole and described foamed aluminium layer surface pore;
Step 42, solidification terminate, and take out described metallic fiber foamed aluminium composite layered plate.
10. the method preparing metallic fiber foamed aluminium composite layered plate according to claim 9, is characterized in that, described step 41 also adopts and is heating and curing, and applying pressure is 2000Pa, by the heating temperatures of described metallic fiber foamed aluminium composite layered plate to 120-180 DEG C.
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| CN108093320A (en) * | 2017-12-23 | 2018-05-29 | 广州市尊浪电器有限公司 | A kind of Loudspeaker panel |
| CN108454194A (en) * | 2018-03-07 | 2018-08-28 | 南京森林警察学院 | A kind of multilayer materials of fiber containing UHMWPE-foam aluminium sandwich and its application |
| CN110605881A (en) * | 2019-09-27 | 2019-12-24 | 中南大学 | Foamed aluminum sheet with sandwich structure |
| CN110757677A (en) * | 2019-11-08 | 2020-02-07 | 上海无线电设备研究所 | Shielding material containing hard conductive sponge structure and manufacturing method thereof |
| CN112223860A (en) * | 2020-09-24 | 2021-01-15 | 哈尔滨工程大学 | Composite board for ocean platform living area enclosure wall and preparation method thereof |
| CN113978070A (en) * | 2021-11-03 | 2022-01-28 | 河北工业大学 | Aramid fiber cloth/net reinforced gradient foam aluminum plate anti-explosion structure |
| CN113978070B (en) * | 2021-11-03 | 2023-05-26 | 河北工业大学 | Aramid fiber cloth/net reinforced gradient foam aluminum plate antiknock structure |
| CN116080182A (en) * | 2022-09-13 | 2023-05-09 | 哈尔滨工业大学 | Preparation method of high-energy-absorption layered sandwich protection structure |
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