CN106587955A - Ceramic spraying coating, preparing method and application method - Google Patents
Ceramic spraying coating, preparing method and application method Download PDFInfo
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- CN106587955A CN106587955A CN201611237220.1A CN201611237220A CN106587955A CN 106587955 A CN106587955 A CN 106587955A CN 201611237220 A CN201611237220 A CN 201611237220A CN 106587955 A CN106587955 A CN 106587955A
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- spraying material
- ceramic spraying
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- 239000000919 ceramic Substances 0.000 title claims abstract description 85
- 238000005507 spraying Methods 0.000 title claims abstract description 52
- 238000000576 coating method Methods 0.000 title claims abstract description 23
- 239000011248 coating agent Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 42
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 11
- 239000003085 diluting agent Substances 0.000 claims abstract description 8
- 150000004767 nitrides Chemical class 0.000 claims abstract description 5
- 229910052574 oxide ceramic Inorganic materials 0.000 claims abstract description 5
- 239000011224 oxide ceramic Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 17
- 239000003822 epoxy resin Substances 0.000 claims description 12
- 229920000647 polyepoxide Polymers 0.000 claims description 12
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- 239000007767 bonding agent Substances 0.000 claims description 8
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 8
- 230000008023 solidification Effects 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 7
- 239000012298 atmosphere Substances 0.000 claims description 6
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical group O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- 238000007590 electrostatic spraying Methods 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 4
- 229920001187 thermosetting polymer Polymers 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 229910033181 TiB2 Inorganic materials 0.000 claims description 2
- 229910007948 ZrB2 Inorganic materials 0.000 claims description 2
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical group 0.000 claims description 2
- 150000008064 anhydrides Chemical class 0.000 claims description 2
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 150000002460 imidazoles Chemical class 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 1
- 238000001354 calcination Methods 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 21
- 239000003973 paint Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- GCAIEATUVJFSMC-UHFFFAOYSA-N benzene-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1C(O)=O GCAIEATUVJFSMC-UHFFFAOYSA-N 0.000 description 3
- -1 mellophanic acid acid anhydride Chemical class 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000004383 yellowing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910000004 White lead Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009503 electrostatic coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62222—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
- B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
-
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/583—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63448—Polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63452—Polyepoxides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/427—Diamond
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Composite Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a ceramic spraying coating. The coating is composed of, by weight, 60-80 parts of ceramic powder, 10-30 parts of binding material, 1-2 parts of curing agent, 2-8 parts of filler, and 1-2 parts of diluent, wherein the particle size of the ceramic powder is 1-5 micrometers, and the ceramic powder is oxide ceramic powder, nitride ceramic powder, boride ceramic powder or carbide ceramic powder. According to the ceramic spraying coating, a preparing method and application method, an article to be sprayed is coated with the composite ceramic material through a high-pressure electrostatic way. Not only can a flat baseboard be coated with the ceramic spraying coating, a complicated three-dimensional article can also be coated with the ceramic spraying coating, and thus the ceramic spraying coating has strong practicability. The obtained product of ceramic spraying coating has excellent physical, chemical and mechanical properties peculiar to ceramics.
Description
Technical field
The invention belongs to composite ceramicses technical field of coatings, and in particular to a kind of ceramic spraying material, preparation method and use
Method.
Background technology
Composite ceramic material is made up of with other metals or nonmetallic materials ceramics, and which not only has metal or nonmetallic
Correlation properties, the performance also with aspects such as the excellent physics of ceramic material, chemistry, machineries.
Traditional ceramicses are that high-temperature calcination molding is carried out after pressing mold molding, and this method constrains answering for ceramic material
With.The appearance of composite ceramicses changes this present situation, does not only need high pressure pressing mold molding, and sintering temperature also to drop significantly
It is low, it is a kind of new energy-saving material.Composite ceramic material be usually by ceramic powder, bonding agent, firming agent and other
Auxiliary agent is constituted, and its form can be liquid, or pressed powder.
Composite ceramic material is widely used to every field.For LED industry field, the use of composite ceramicses, more
It is the heat dispersion for increasing substrate more.Different composite ceramicses, the heat dispersion and other physics, chemistry and machine to substrate
The performance of the aspects such as tool has different effects.The preparation of new composite ceramic material and the use in LED field, need into
One step is developed.
The content of the invention
The purpose of the present invention, is to provide a kind of ceramic spraying material, preparation method and using method, is sprayed using high-pressure electrostatic
Coating, composite ceramic material is coated on object to be sprayed by electrostatic means.The present invention not only can be on planar substrates
It is coated, surface-coated can also be carried out to complicated stereo object, with the very strong suitability.Products obtained therefrom has ceramics excellent
Good physics, chemistry, mechanical performance.
What the present invention was realized in：
A kind of ceramic spraying material, including following composition materials：
The ceramic powder of 60-80 weight portions,
The bonding agent of 10-30 weight portions,
The firming agent of 1-2 weight portions,
The filler of 2-8 weight portions,
The diluent of 1-2 weight portions,
Wherein：
The particle diameter of the ceramic powder is 1-5um,
The ceramic powder is oxide ceramic powder body, nitride ceramics powder body, boride ceramics powder body or carbide pottery
Porcelain powder body.
Preferably, the oxide ceramic powder body is Al2O3、ZrO2, BeO, MgO and TiO2In one or more,
The nitride ceramics powder body is AlN, BN, Si3N4With one or more in ZrN,
The boride ceramics powder body is ZrB2And TiB2In one or two,
The carbide ceramics powder body is B4One or more in C, SiC, ZrC, TiC and WC.
Preferably, the bonding agent is thermosetting epoxy resin or modified thermoset type epoxy resin.
Preferably, the firming agent is the one kind or several in amine, phenyl aminess, anhydrides, peroxide and imidazoles
Kind.
Preferably, described filler is the one kind in Pulvis Talci, bortz powder, calcined kaolin, long phosphate stone powder and titanium dioxide
Or it is several.
Preferably, the diluent can commonly use one or more in alcohols, esters, alkanes, ethers and ketone.
According to a further aspect in the invention, a kind of method for preparing above-mentioned ceramic spraying material, weighs ceramic powder, adds
Bonding agent, firming agent, filler and diluent, are put into the high-speed ultrasonic stirring under 300-400rpm of ultrasonic high speed shape star blender
During 4-6, ceramic spraying material is obtained.
In accordance with a further aspect of the present invention, a kind of method using above-mentioned ceramic spraying material, comprises the following steps：
S1：Charging：Ceramic spraying material is loaded in bucket, and the feed pipe of electrostatic sprayer is connected with bucket and ceramics are stretched into
In spray paint；
S2：Spraying：By object hanging to be sprayed and it is grounded, electrostatic spraying voltage is 50-80kv, sprays air pressure 0.5-
0.8MPa, spray gun is apart from 100-150mm；
S3：Solidification：The object that spraying is completed is removed, in being put into inert atmosphere baking oven, sintering curing forms sprayed coating.
Preferably, the thickness of the sprayed coating is 80-120um.
Preferably, the solidification temperature in step S3 is 150-200 DEG C, and hardening time is 2-5 hours.
Compared with prior art, the present invention utilizes high pressure electrostatic painting method, and composite ceramic material is applied by electrostatic means
Overlay on object to be sprayed.The present invention not only can be coated on planar substrates, and complicated stereo object can also be carried out
Surface-coated, with the very strong suitability.Products obtained therefrom has ceramic excellent physics, chemistry, mechanical performance.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that described herein concrete
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
Embodiment 1
Ceramic spraying material, including following composition materials：
Als of the 73 weight portion particle diameter D50 for 3um2O3Ceramic powder,
The E-44 type epoxy resin of 20 weight portions,
The trimellitic anhydride of 2 weight portions,
The titanium dioxide of the bortz powder of 1 weight portion, the Pulvis Talci of 1 weight portion and 1 weight portion,
The ethyl acetate of 2 weight portions.
It is prepared as follows：
Weigh the Al that 73 weight portion particle diameter D50 are 3um2O3Ceramic powder, adds the E-44 types epoxy resin of 20 weight portions to glue
Connect the titanium of agent, the trimellitic acid anhydride curing agents of 2 weight portions, the bortz powder of 1 weight portion, the Pulvis Talci of 1 weight portion and 1 weight portion
The diluted ethyl acetate agent of white lead filler and 2 weight portions, is put into ultrasonic high speed shape star blender high-speed ultrasonic under 300rpm
Stirring 5 hours, is obtained ceramic spraying material.
Using method is as follows：
S1：Charging：Ceramic spraying material is loaded in bucket, and the feed pipe of electrostatic sprayer is connected with bucket and ceramics are stretched into
In spray paint；
S2：Spraying：By object hanging to be sprayed and it is grounded, electrostatic spraying voltage is 60kv, sprays air pressure 0.7MPa, spray gun
Apart from 120mm；
S3：Solidification：The object that spraying is completed is removed, is sintered 5 hours in being put into 180 DEG C of inert atmosphere baking ovens, sintering is solid
Change forms sprayed coating.
Obtained object surface sprayed coating light, its thickness is 95um, and hardness is 6.5, and heatproof is up to 220 DEG C of non yellowings, resistance to
Up to 6kv, heat conductivity is 15W/mk to pressure, and linear expansion coefficient is 2.1 × 10-5/℃.The material is that a kind of good hardware is led
Hot coating.
Embodiment 2
Ceramic spraying material, including following composition materials：
Partially stabilized types ZrO of the 81 weight portion particle diameter D50 for 5um2Ceramic powder,
The E-42 type epoxy resin of 12 weight portions,
The mellophanic acid acid anhydride of 2 weight portions,
The silica flour of the calcined kaolin of 1 weight portion, the Pulvis Talci of 1 weight portion and 1 weight portion,
The ethyl acetate of 2 weight portions.
It is prepared as follows：
Weigh partially stabilized type ZrO that 81 weight portion particle diameter D50 are 5um2Ceramic powder, adds the E-42 types of 12 weight portions
Epoxy resin adhesive, the mellophanic acid anhydride curing agents of 2 weight portions, the calcined kaolin of 1 weight portion, the Pulvis Talci of 1 weight portion
With the diluted ethyl acetate agent of the quartz powder filler and 2 weight portions of 1 weight portion, be put into ultrasonic high speed shape star blender in
Under 350rpm, high-speed ultrasonic is stirred 4.5 hours, and ceramic spraying material is obtained.
Using method is as follows：
S1：Charging：Ceramic spraying material is loaded in bucket, and the feed pipe of electrostatic sprayer is connected with bucket and ceramics are stretched into
In spray paint；
S2：Spraying：By object hanging to be sprayed and it is grounded, electrostatic spraying voltage is 80kv, sprays air pressure 0.6MPa, spray gun
Apart from 100mm；
S3：Solidification：The object that spraying is completed is removed, is sintered 3.5 hours in being put into 200 DEG C of inert atmosphere baking ovens, sintering
It solidify to form sprayed coating.
Obtained object surface sprayed coating is bright, smooth, and its thickness is 110um, and hardness is 7.2, and heatproof is not yellow up to 300 DEG C
Become, up to 50MPa, fracture toughness is up to 3.2MPam for its flexural strength1/2, which is sprayed on steel material surface thermal coefficient of expansion
For 1.4 × 10-5/ DEG C, it is a kind of good base steel material coating material.
Embodiment 3
Ceramic spraying material, including following composition materials：
Six side system BN ceramic powders of the 85 weight portion particle diameter D50 for 2um,
The E-54 type epoxy resin of 10 weight portions,
The mellophanic acid acid anhydride of 2 weight portions,
The calcined kaolin of 1 weight portion,
The ethyl acetate of 2 weight portions.
It is prepared as follows：
The six side system BN ceramic powders that 85 weight portion particle diameter D50 are 2um are weighed, the E-54 type asphalt mixtures modified by epoxy resin of 10 weight portions is added
The acetic acid second of fat bonding agent, the mellophanic acid anhydride curing agents of 2 weight portions, the calcined kaolin filler of 1 weight portion and 2 weight portions
Ester diluent, is put into ultrasonic high speed shape star blender high-speed ultrasonic under 300rpm and stirs 5 hours, ceramic spraying material is obtained.
Using method is as follows：
S1：Charging：Ceramic spraying material is loaded in bucket, and the feed pipe of electrostatic sprayer is connected with bucket and ceramics are stretched into
In spray paint；
S2：Spraying：By object hanging to be sprayed and it is grounded, electrostatic spraying voltage is 90kv, sprays air pressure 0.8MPa, spray gun
Apart from 110mm；
S3：Solidification：The object that spraying is completed is removed, is sintered 5 hours in being put into 150 DEG C of inert atmosphere baking ovens, sintering is solid
Change forms sprayed coating.
Obtained object surface sprayed coating light, its thickness is 110um, and hardness is 1.8, and heatproof is up to 300 DEG C of non yellowings, resistance to
Up to 10kv, heat conductivity is 30W/mk to pressure, and up to 50MPa, thermal coefficient of expansion is 1.1 × 10 to its flexural strength-5/ DEG C,
Fracture toughness is up to 3.0MPam1/2, it is adaptable to the surface ceramic application of flexible articles.
Embodiment 4
Ceramic spraying material, including following composition materials：
SiC ceramic powder body of the 81 weight portion particle diameter D50 for 2um,
The E-52 type epoxy resin of 12 weight portions,
The mellophanic acid acid anhydride of 2 weight portions,
The calcined kaolin of the bortz powder of 1 weight portion and 1 weight portion,
The ethyl acetate of 2 weight portions.
It is prepared as follows：
The SiC ceramic powder body that 81 weight portion particle diameter D50 are 2um is weighed, adds the E-52 types epoxy resin of 12 weight portions to glue
Connect agent, the calcined kaolin filler of the mellophanic acid anhydride curing agents, the bortz powder of 1 weight portion and 1 weight portion of 2 weight portions and
The diluted ethyl acetate agent of 2 weight portions, is put into ultrasonic high speed shape star blender and during high-speed ultrasonic stirring 5, is obtained under 350rpm
Ceramic spraying material.
Using method is as follows：
S1：Charging：Ceramic spraying material is loaded in bucket, and the feed pipe of electrostatic sprayer is connected with bucket and ceramics are stretched into
In spray paint；
S2：Spraying：By object hanging to be sprayed and it is grounded, electrostatic spraying voltage is 50kv, sprays air pressure 0.7MPa, spray gun
Apart from 100mm；
S3：Solidification：The object that spraying is completed is removed, is sintered 5 hours in being put into 200 DEG C of inert atmosphere baking ovens, sintering is solid
Change forms sprayed coating.
Obtained object surface sprayed coating light, its thickness is 110um, and hardness is 7, and heatproof is up to 300 DEG C of non yellowings, heat conduction
Coefficient is 60W/mk, and linear expansion coefficient is 1.0 × 10-5/℃.The material can increase material thermal conductivity and case hardness.
Compared with prior art, the present invention utilizes high pressure electrostatic painting method, and composite ceramic material is applied by electrostatic means
Overlay on object to be sprayed.The present invention not only can be coated on planar substrates, and complicated stereo object can also be carried out
Surface-coated, with the very strong suitability.Products obtained therefrom has ceramic excellent physics, chemistry, mechanical performance.
Finally it should be noted that：Above-described each embodiment is merely to illustrate technical scheme, rather than to which
Limit；Although being described in detail to the present invention with reference to the foregoing embodiments, it will be understood by those within the art that：
Which still can be modified to the technical scheme described in previous embodiment, or which part or all technical characteristic are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical side
The scope of case.
Claims (10)
1. a kind of ceramic spraying material, it is characterised in that：Including following composition materials：
The ceramic powder of 60-80 weight portions,
The bonding agent of 10-30 weight portions,
The firming agent of 1-2 weight portions,
The filler of 2-8 weight portions,
The diluent of 1-2 weight portions,
Wherein：
The particle diameter of the ceramic powder is 1-5um,
The ceramic powder is oxide ceramic powder body, nitride ceramics powder body, boride ceramics powder body or carbide ceramics powder
Body.
2. ceramic spraying material according to claim 1, it is characterised in that：
The oxide ceramic powder body is Al2O3、ZrO2, BeO, MgO and TiO2In one or more,
The nitride ceramics powder body is AlN, BN, Si3N4With one or more in ZrN,
The boride ceramics powder body is ZrB2And TiB2In one or two,
The carbide ceramics powder body is B4One or more in C, SiC, ZrC, TiC and WC.
3. ceramic spraying material according to claim 1, it is characterised in that：The bonding agent is thermosetting epoxy resin or changes
Property thermosetting epoxy resin.
4. ceramic spraying material according to claim 1, it is characterised in that：The firming agent is amine, phenyl aminess, anhydride
One or more in class, peroxide and imidazoles.
5. ceramic spraying material according to claim 1, it is characterised in that：Described filler is Pulvis Talci, bortz powder, calcination
One or more in Kaolin, long phosphate stone powder and titanium dioxide.
6. ceramic spraying material according to claim 1, it is characterised in that：The diluent is conventional alcohols, esters, alkane
One or more in class, ethers and ketone.
7. a kind of method of the ceramic spraying material prepared described in any one of claim 1-6, it is characterised in that：Weigh ceramics
Body, adds bonding agent, firming agent, filler and diluent, is put into ultrasonic high speed shape star blender high speed under 300-400rpm
During ultrasonic agitation 4-6, ceramic spraying material is obtained.
8. a kind of method that usage right requires the ceramic spraying material described in any one of 1-6, it is characterised in that：Including following step
Suddenly：
S1：Charging：Ceramic spraying material is loaded in bucket, and the feed pipe of electrostatic sprayer is connected with bucket and ceramic spraying is stretched into
In material；
S2：Spraying：By object hanging to be sprayed and it is grounded, electrostatic spraying voltage is 50-80kv, sprays air pressure 0.5-0.8MPa,
Spray gun is apart from 100-150mm；
S3：Solidification：The object that spraying is completed is removed, in being put into inert atmosphere baking oven, sintering curing forms sprayed coating.
9. the method for use ceramic spraying material according to claim 8, it is characterised in that：The thickness of the sprayed coating is
80-120um。
10. the method for use ceramic spraying material according to claim 8, it is characterised in that：Solidification in step S3
Temperature is 150-200 DEG C, and hardening time is 2-5 hours.
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| CN107117947A (en) * | 2017-06-26 | 2017-09-01 | 俞秀英 | A kind of High-abrasion-resisthigh-temperature-resceramic high-temperature-resceramic ceramic and preparation method thereof |
| CN107828254A (en) * | 2017-11-21 | 2018-03-23 | 江苏雨燕模业科技有限公司 | A kind of modification spray paint on automobile die surface and preparation method thereof and application method |
| CN107903057A (en) * | 2017-11-24 | 2018-04-13 | 东北大学 | The preparation method of lambda sensor dielectric substrate and fine and close diffusion layer double-decker |
| CN107987665A (en) * | 2017-11-29 | 2018-05-04 | 马鞍山市恒特重工科技有限公司 | A kind of preparation method of stone crusher casing wear-resistant coating |
| CN111748251A (en) * | 2019-03-29 | 2020-10-09 | 吴贤哲 | Conductive coating composition |
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| CN107903057B (en) * | 2017-11-24 | 2021-02-05 | 东北大学 | Preparation method of double-layer structure of electrolyte layer and compact diffusion layer for oxygen sensor |
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| CN111748251A (en) * | 2019-03-29 | 2020-10-09 | 吴贤哲 | Conductive coating composition |
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Application publication date: 20170426 |