CN109128572A - A kind of aluminium copper welding wire and its preparation method and application - Google Patents
A kind of aluminium copper welding wire and its preparation method and application Download PDFInfo
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- CN109128572A CN109128572A CN201811178405.9A CN201811178405A CN109128572A CN 109128572 A CN109128572 A CN 109128572A CN 201811178405 A CN201811178405 A CN 201811178405A CN 109128572 A CN109128572 A CN 109128572A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/28—Selection of soldering or welding materials proper with the principal constituent melting at less than 950 degrees C
- B23K35/286—Al as the principal constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
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Abstract
The invention belongs to aluminum alloy piping welding field of material technology, and in particular to a kind of aluminium copper welding wire and its preparation method and application.Mixed rare-earth elements and Ti and Zr are used cooperatively by the present invention, mixed rare-earth elements, Ti and Zr can be reacted to Al and corresponding generation high-melting-point particle, and mixed rare-earth elements can inhibit the roughening, aggregation and precipitating of high-melting-point particle, high-melting-point particle is set to serve as matrix forming core core, promote the formation of equiax crystal, seam organization is refined, and then improves the intensity and plasticity of welding line joint.Embodiment the result shows that, when the aluminium copper welds aluminium copper with welding wire using the above scheme, the intensity of welding line joint can reach 308MPa or more, and strength factor reaches 66.0~70.4%.
Description
Technical field
The invention belongs to aluminum alloy piping welding field of material technology, and in particular to a kind of aluminium copper welding wire and its preparation side
Method and application.
Background technique
The development of aluminium copper is inseparable, early 20th century with the development of aviation industry, and Lai Te brother flies in manufacture
When machine, the crank cabinet of Al-Cu-Mn casting aircraft engine is just used；Then, age-hardening is found in Al-Cu-Mg alloy
Phenomenon makes it possible aluminium copper as aircraft body structural material.Currently, aluminium copper has become the main of airframe
One of structural material, such as the fuselage of aircraft, covering, atmosphere cabinet, bulkhead, rib, spar, engine compressor wheel, fan, leaf
Wheel, piston, inducer and wheel disc etc. all use aluminium copper.With being gradually expanded for aluminium copper application range, aluminium copper
Performance be also faced with more and more harsh requirement, the switching performance including aluminium copper.
The common connection type of aluminium copper has melting welding, and when melting welding, weld metal is mainly by along crystal boundary and interdendritic distribution
Low melting eutectics tissue composition, weld metal is also easy to produce solidification cracking, and plasticity is poor, concentrates sensitive, strength of joint to stress
It is only capable of reaching 50~60% of strength of parent or so, constrains the application of aluminium copper.For example, being directed to high-strength aluminium copper serial alloy welding
And the welding wire researched and developed has the external ER2319 commercialization welding wire produced and welds according to the SAlCu of GB/T10858-1989 standard preparation
Silk, for the seam organization of this kind of welding wire by dendrite and along the coarse eutectic composition of crystal boundary distribution, the intensity of weld metal is lower, uses it
When welding 2219 or 2519 high-strength aluminum copper alloy, the intensity of welding point can only achieve the 55~60% of base material.
Summary of the invention
The purpose of the present invention is to provide a kind of aluminium copper welding welding wires and its preparation method and application, and the present invention mentions
The welding wire of confession can obtain the higher welding line joint of intensity when welding high-strength aluminum copper alloy.
To achieve the goals above, the invention provides the following technical scheme:
A kind of aluminium copper welding wire, the component including following mass content: Cu 6.3~6.8%, Mn 0.3~
0.4%, Ti 0.3~0.4%, Zr 0.3~0.4%, mixed rare-earth elements 0.2~0.3%, Si≤0.10%, Fe≤
0.15%, surplus Al.
Preferably, the mixed rare-earth elements include two or three in La, Ce and Y.
The present invention also provides the preparation methods of aluminium copper welding wire described in above-mentioned technical proposal, include the following steps:
(1) raw material is mixed and carries out melting and casting, cast by the chemical composition of the welding wire of corresponding claims 1 or 2
Ingot；
(2) ingot casting of the step (1) is successively subjected to Homogenization Treatments and hot extrusion, obtains squeeze wood；
(3) squeeze wood of the step (2) is subjected to drawing, obtains aluminium copper welding wire.
Preferably, the raw material in the step (1) include aluminum bronze intermediate alloy, aluminium manganese intermediate alloy, aluminium zirconium hardener,
Aluminium titanium intermediate alloy and aluminium rare earth intermediate alloy.
Preferably, the melting of the step (1) includes primary melting and refining；
The temperature of the primary melting is 750~760 DEG C, and the time of primary melting is 30~35min；
The temperature of the refining is 760~780 DEG C, and the time of refining is 10~20min.
Preferably, the temperature of step (1) casting is 720~740 DEG C.
Preferably, the temperature of step (2) Homogenization Treatments is 520~550 DEG C, and the soaking time of Homogenization Treatments is
14~17h.
Preferably, the temperature of step (2) hot extrusion is 380~430 DEG C, and the hot extrusion time is 1~2h, deformation coefficient
It is 10~20.
Preferably, the drawing of the step (3) is multi pass drawing, and the number of the drawing is 10~20；
It is once annealed after per drawing twice；The temperature annealed every time independently is 380~430 DEG C, the heat preservation of annealing
Time independently is 1~2h.
The present invention also provides preparation sides described in aluminium copper welding wire described in above-mentioned technical proposal or above-mentioned technical proposal
Application of the aluminium copper welding wire that method is prepared in melting pole gas shielded arc welding or ac tungsten inert gases welding.
Aluminium copper welding wire provided by the invention, the component including following mass content: Cu 6.3~6.8%, Mn
0.3~0.4%, Ti 0.3~0.4%, Zr 0.3~0.4%, mixed rare-earth elements 0.2~0.3%, Si≤0.10%, Fe≤
0.15%, surplus Al.Mixed rare-earth elements, Ti and Zr are used cooperatively by the present invention, mixed rare-earth elements (being indicated with RE), Ti
It can react simultaneously corresponding to Al with Zr and generate Al3Ti、Al3Zr and Ti2Al20RE high-melting-point particle, and mixed rare-earth elements can inhibit
Al3Ti and Al3Roughening, aggregation and the precipitating of Zr, makes Al3Ti、Al3Zr and Ti2Al20RE can serve as matrix forming core core, promote etc.
The formation of axialite refines seam organization, and then improves the intensity and plasticity of welding line joint.Embodiment the result shows that, use is above-mentioned
When aluminium copper described in scheme welds aluminium copper with welding wire, the intensity of welding line joint can reach 308MPa or more,
Strength factor reaches 66.0~70.4%.
Specific embodiment
The present invention provides a kind of aluminium copper welding wire, the component including following mass content: Cu 6.3~6.8%,
Mn 0.3~0.4%, Ti 0.3~0.4%, Zr 0.3~0.4%, mixed rare-earth elements 0.2~0.3%, Si≤0.10%,
Fe≤0.15%, surplus Al.
In terms of mass content, the component of aluminium copper welding wire provided by the invention includes Cu 6.3~6.8%, preferably
6.4~6.7%, more preferably 6.5~6.6%.In the present invention, copper is main reinforcing member in aluminium copper series alloy welding wire
Element plays Precipitation invigoration effect, this is because alloy after quenching timeliness, the precipitation of a large amount of Dispersed precipitates occurs in tissue
Phase, and elastic strain area is formed around precipitated phase, the movement of dislocation is hindered, makes aluminium copper that there is very high room temperature mechanical
Performance.
In terms of mass content, the component of aluminium copper welding wire provided by the invention includes Mn 0.3~0.4%, preferably
0.33~0.40%, more preferably 0.33~0.38%.In the present invention, Mn can improve the intensity and crack resistance of aluminium copper
Can, manganese forms ternary eutectic α (Al)+CuAl2+Al12CuMn2 in aluminium copper, in the alloy Dispersed precipitate, and it is strong to play disperse
Change effect.
In terms of mass content, the component of aluminium copper welding wire provided by the invention includes Ti 0.3~0.4%, preferably
0.31~0.40%, more preferably 0.31~0.38%.In the present invention, Ti is containing mixed rare-earth elements (indicating with RE)
Under the conditions of, it can be reacted with Al and generate Al3Ti particle and Ti2Al20RE particle, process of setting of these particles in weld metal
In, as the core of Heterogeneous Nucleation, the formation of equiax crystal is promoted, seam organization has been refined, improves the mechanical property of connector
Energy.
In terms of mass content, the component of aluminium copper welding wire provided by the invention includes Zr0.30~0.40%, preferably
It is 0.30~0.38%, more preferably 0.32~0.36%.In the present invention, under mixed rare-earth elements existence condition, Zr energy
It is reacted with Al and generates tiny Al3Zr particle, the particle can be used as the forming core core of matrix, generate preferable crystal grain to aluminium alloy
Thinning effect, and then improve the intensity and plasticity of connector.
In terms of mass content, the component of aluminium copper welding wire provided by the invention include mixed rare-earth elements 0.20~
0.30%, preferably 0.22~0.28%, more preferably 0.24~0.26%.In the present invention, the mixed rare-earth elements are excellent
Choosing includes two or three in La, Ce and Y, is specifically as follows La and Ce；La and Y, preferably La and Y.The mischmetal
When element is the mixture of two kinds of elements, the amount ratio of La and another rare earth element is preferably 1:0.7~1.3, more preferably
For 1:0.75~1.25.In the present invention, mixed rare-earth elements can make the core of Ti, Zr respectively with Al formation Heterogeneous Nucleation
The heart is conducive to the formation of equiax crystal and the refinement of seam organization, and the promotion for strength of welded joint and plasticity provides basis.
In the present invention, the component of aluminium copper welding wire carries out strict control to the content of Si and Fe, to avoid
The influence of harmful element.In the present invention, in terms of mass content, Si≤0.10%, Fe≤0.15%.
Aluminium copper welding wire of the present invention further includes Al, and the present invention does not have particular/special requirement to the content of the Al, with
100% can be reached with the summation of alloying element described in above scheme.
The present invention provides the preparation methods of aluminium copper welding wire described in above-mentioned technical proposal, include the following steps:
(1) chemical composition of welding wire described in corresponding above-mentioned technical proposal, raw material is mixed and carries out melting and casting, is cast
Ingot；
(2) ingot casting of the step (1) is successively subjected to Homogenization Treatments and hot extrusion, obtains squeeze wood；
(3) squeeze wood of the step (2) is subjected to drawing, obtains aluminium copper welding wire.
The present invention corresponds to the chemical composition of welding wire described in above-mentioned technical proposal, and raw material is mixed and carries out melting and refining, is obtained
To casting liquid.In the present invention, the raw material preferably includes aluminum bronze intermediate alloy, aluminium manganese intermediate alloy, aluminium zirconium hardener, aluminium
Titanium intermediate alloy and aluminium rare earth intermediate alloy；The aluminum bronze intermediate alloy preferably includes Al-50Cu alloy, closes among the aluminium manganese
Gold preferably includes Al-10Mn alloy, and the aluminium zirconium hardener preferably includes Al-10Zr alloy, and the aluminium titanium intermediate alloy is excellent
Choosing includes Al-10Ti alloy, and the aluminium rare earth intermediate alloy preferably includes Al-10RE alloy；The aluminium be preferably purity >=
99.99% commercial product.The present invention does not have particular/special requirement to the source for preparing raw material, ripe using those skilled in the art
The commercial product known.The present invention does not have particular/special requirement to the hybrid mode of the raw material, using root those skilled in the art
It is well known.
In the present invention, the melting preferably includes the primary melting and refining successively carried out, the temperature of the primary melting
Preferably 750~760 DEG C of degree, more preferably 752~758 DEG C, be further preferably 755~758 DEG C；The time of the primary melting is excellent
It is selected as 30~35min, more preferably 31~34min, is further preferably 32~33min.In the present invention, the primary melting is preferred
It is carried out in well-type electric furnace, the well-type electric furnace of more preferably mating graphite crucible.
After primary melting, the present invention refines the melting liquid obtained after the primary melting, obtains casting liquid.At this
In invention, the temperature of the refining is preferably 760~780 DEG C, and more preferably 768~772 DEG C；The time of the refining is preferably
10~20min, more preferably 12~15min.
In the present invention, the refining is AJ system refining agent, preferably ZS-AJ01C with refining agent；The refining agent adds
Dosage preferably accounts for the 0.10~0.20% of melting liquid quality, and more preferably 0.13~0.16%.It is excellent with slagging agent when the refining
Select carbon trichloride；The dosage of the slagging agent preferably accounts for the 0.20~0.30% of melting liquid quality, more preferably 0.23~
0.26%.
After refining, the present invention casts the casting liquid obtained after the refining, obtains ingot casting.In the present invention, institute
The temperature for stating casting is preferably 720~740 DEG C, and more preferably 725~735 DEG C.Before the casting, the present invention preferably uses casting
Mold is preheated, and the temperature of the preheating is preferably 180~230 DEG C, and more preferably 190~210 DEG C.The present invention is poured described
The specific embodiment of casting does not have particular/special requirement, using well known to those skilled in the art.
After obtaining ingot casting, the ingot casting is successively carried out Homogenization Treatments and hot extrusion by the present invention, obtains squeeze wood.At this
In invention, the temperature of the Homogenization Treatments is preferably 520~550 DEG C, and more preferably 523~548 DEG C, further preferably for 525~
545℃；The soaking time of the Homogenization Treatments is preferably 14~17h, more preferably 15~17h, is further preferably 15~16h.
The present invention does not have particular/special requirement to the specific embodiment of Homogenization Treatments, using well known to those skilled in the art.This
Invention carries out Homogenization Treatments to ingot casting, the problem of capable of eliminating or reduce transgranular uneven components under crystallization condition, improves material
The processing performance of material.
After Homogenization Treatments, the present invention carries out hot extrusion to the material after the Homogenization Treatments, obtains squeeze wood.At this
In invention, the diameter of the squeeze wood is preferably 6~8mm, more preferably 6.5~8mm, is further preferably 6.5~7.5mm.
In the present invention, the temperature of the hot extrusion is preferably 380~430 DEG C, and more preferably 385~425 DEG C, further preferably
It is 390~420 DEG C；The time of the hot extrusion is preferably 1~2h, more preferably 1.2~1.8h, is further preferably 1.3~1.6h；
In hot extrusion process, deformation coefficient is to squeeze the change of squeeze wood of the present invention after preceding basal area and extruding in terms of the ratio between basal area
Shape coefficient is preferably 10~20, and more preferably 11~19, most preferably 12~18.
After obtaining squeeze wood, the squeeze wood is carried out drawing by the present invention, obtains aluminium copper welding wire.
In the present invention, the drawing is preferably multi pass drawing, the number of the drawing preferably 10~20, more preferably
12~18, it is further preferably 14~16；The present invention does not have particular/special requirement to the specific embodiment of the drawing, using this field skill
Drawing mode known to art personnel, the welding wire of target size can be obtained.In the present invention, the aluminium copper weldering
The diameter of silk is preferably 0.8~1.6mm, preferably includes 0.8mm, 1.0mm, 1.2mm or 1.6mm, more preferably 1.2mm.At this
In invention, in the drawing process, preferably once annealed after every drawing twice；The temperature annealed every time is independently preferably
380~430 DEG C, more preferably 385~428 DEG C are further preferably 387~425 DEG C；The soaking time of the annealing is independently preferred
It is further preferably 1.3~1.7h for 1~2h, more preferably 1.2~1.8h.
After drawing, the present invention preferably carries out mechanical scraping to the material obtained after the drawing, to remove welding wire surface
Burr optimizes welding wire surface pattern；After mechanical scraping, the present invention is cleaned and is polished to the material after the mechanical scraping,
The cleaning preferably includes to be cleaned by ultrasonic；The polishing preferably includes chemical polishing.The present invention is to the ultrasonic cleaning and chemistry
The specific embodiment of polishing does not have particular/special requirement, using those skilled in the art's well-known way.
The present invention also provides preparation sides described in aluminium copper welding wire described in above-mentioned technical proposal or above-mentioned technical proposal
Application of the aluminium copper welding wire that method is prepared in melting pole gas shielded arc welding or ac tungsten inert gases welding.
In the present invention, the aluminium copper welding wire is in melting pole gas shielded arc welding (MIG) in application, welding parameters
It carries out control as follows:
Welding current is preferably 260~265A, more preferably 261~264A；
Weldingvoltage is preferably 20~25V, more preferably 22~23V；
Speed of welding is preferably 0.40~0.50m/min, more preferably 0.43~0.45m/min；
Wire feed rate is preferably 6.0~7.0m/min, more preferably 6.0~6.50m/min；
Gas flow is preferably 18~22L/min, more preferably 20~21L/min；
In the present invention, the aluminium copper welding wire is in ac tungsten inert gases welding (TIG) in application, welding parameters
It carries out control as follows:
Tungsten electrode diameter is preferably 2~3mm, more preferably 2mm；
Tungsten electrode extension elongation preferably 2~3mm, more preferably 2~2.5mm when welding；
Tungsten electrode is preferably 2.5~3.5mm at a distance from weldment, more preferably 3~3.2mm；
Electric current is preferably 80~83A when welding, more preferably 81~92A；
Speed of welding is preferably 0.10~0.15m/min, more preferably 0.12~0.13m/min；
Wire feed rate is preferably 0.55~0.60m/min, more preferably 0.56~0.58m/min；
Gas flow is preferably 18~25L/min, more preferably 20~22L/min.
Strength factor with the percentages of strength of welded joint and strength of parent, use above-mentioned MIG technology throat thickness for
2219 aluminium alloys of 10mm, the intensity for the welding point that aluminium copper welding wire of the present invention is formed reach 310.0MPa with
On, strength factor reaches 66.0~70.0%；
Use above-mentioned TIG technology throat thickness for the 2A12 aluminium alloy of 2mm, aluminium copper of the present invention is formed with welding wire
The intensity of welding point reach 308.0MPa or more, strength factor reaches 68.0~71.0%.
In order to further illustrate the present invention, below with reference to embodiment to a kind of aluminium copper welding wire provided by the invention and
Preparation method and application are described in detail, but they cannot be interpreted as limiting the scope of the present invention.
Embodiment 1
Prepare raw material according to amounts of components shown in table 1, according to mass percentage, surplus Al is not listed in table.
Wherein, each component raw material is Al-50Cu intermediate alloy, among Al-10Mn intermediate alloy, Al-10Zr intermediate alloy, Al-10Ti
The aluminium that alloy, Al-10RE intermediate alloy and purity are 99.99%.
Carry out melting after raw material is mixed in well-type electric furnace with graphite crucible, smelting temperature is 750 DEG C, keeps the temperature 35min；
The ZS-AJ01C that addition accounts for material quality 0.15% is refined, and refining temperature is 770 DEG C, and time 15min is added after refining
The carbon trichloride for accounting for refining liquid gross mass 0.15% carries out slagging-off dehydrogenation；Refining liquid after the dehydrogenation that removes the gred is poured into 720 DEG C pre-
Ingot casting is formed in the swage of heat, the preheating temperature of swage is 200 DEG C.Ingot casting after the Homogenization Treatments of 16h, is taken off through 535 DEG C
Skin and extruding form diameterWire rod, then pass through 16 drawings, mechanical shaving action is at diameterWeldering
Finally aluminium copper welding wire is made using ultrasonic cleaning and chemical polishing in silk.
It using 2219 aluminium alloys with a thickness of 10mm as base material, is welded, is welded using gas metal-arc welding (MIG)
When technological parameter are as follows: MIG weld when welding current 260A, weldingvoltage 23V, speed of welding 0.45m/min, wire feed rate
6.0m/min, gas flow 20L/min, protective gas are the argon gas of purity 99.9%.
It using the 2A12 aluminium alloy with a thickness of 2mm as base material, is welded using ac tungsten inert gases welding (TIG), when welding
Technological parameter are as follows: tungsten electrode diameter is 2mm, tungsten electrode extension elongation 2mm when welding, and away from weldment 2.5mm, electric current is 81A, weldering when welding
Connecing speed is 0.12m/min, wire feed rate 0.58m/min, gas flow 20L/min, and protective gas is the argon of purity 99.99%
Gas.
Embodiment 2~4
Preparation method and welding method are same as Example 1, the difference is that dosage of each component and technological parameter, specifically
It is shown in Table 1 and 2.
Comparative example 1
Using commercially available ER2319 as welding wire, welded according to the method for embodiment 1.
The chemical component (mass fraction) of 1 Examples 1 to 4 of table, 1 welding wire of comparative example and base material
2 Examples 1 to 3 welding wire preparation technology parameter of table
Performance characterization and result
According to the mechanical property of GB2651-89 standard " welding point stretching test method " test welding point, when test,
Rate of extension is controlled in 1.2mm/min.Test result is shown in Table 3.
The mechanical property of table 3 Examples 1 to 4 and comparative example welding point
In table 3, strength of joint coefficient is the percentage of the intensity of strength of welded joint and base material alloy.It can by 3 data of table
Know, the welding carried out using aluminium copper provided by the invention with welding wire, the intensity of connector reaches aluminium alloy strength of parent
66.0~70.4%, much higher than the existing attainable level in commercial product.Moreover, the elongation percentage and the contraction percentage of area of connector
It is obviously improved, effectively reduces the generation of crater crack.
As seen from the above embodiment, the joint made by flame welding of aluminium copper welding wire provided by the invention has good mechanical property
Can, and process stabilizing, splashing are small when welding, without preheating before weldering, are suitable for the welding of aluminium copper.
Although above-described embodiment is made that detailed description to the present invention, it is only a part of the embodiment of the present invention,
Rather than whole embodiments, people can also obtain other embodiments under the premise of without creativeness according to the present embodiment, these
Embodiment belongs to the scope of the present invention.
Claims (10)
1. a kind of aluminium copper welding wire, the component including following mass content: Cu 6.3~6.8%, Mn 0.3~0.4%,
Ti 0.3~0.4%, Zr 0.3~0.4%, mixed rare-earth elements 0.2~0.3%, Si≤0.10%, Fe≤0.15%, surplus
For Al.
2. aluminium copper welding wire as described in claim 1, which is characterized in that the mixed rare-earth elements include La, Ce and Y
In two or three.
3. the preparation method of aluminium copper welding wire as claimed in claim 1 or 2, includes the following steps:
(1) raw material is mixed and carries out melting and casting, obtains ingot casting by the chemical composition of the welding wire of corresponding claims 1 or 2；
(2) ingot casting of the step (1) is successively subjected to Homogenization Treatments and hot extrusion, obtains squeeze wood；
(3) squeeze wood of the step (2) is subjected to drawing, obtains aluminium copper welding wire.
4. preparation method as claimed in claim 3, which is characterized in that the raw material in the step (1) includes closing among aluminum bronze
Gold, aluminium manganese intermediate alloy, aluminium zirconium hardener, aluminium titanium intermediate alloy and aluminium rare earth intermediate alloy.
5. preparation method as described in claim 3 or 4, which is characterized in that the melting of the step (1) include primary melting and
Refining；
The temperature of the primary melting is 750~760 DEG C, and the time of primary melting is 30~35min；
The temperature of the refining is 760~780 DEG C, and the time of refining is 10~20min.
6. preparation method as claimed in claim 3, which is characterized in that the temperature of step (1) casting is 720~740 DEG C.
7. preparation method as claimed in claim 3, which is characterized in that the temperature of step (2) Homogenization Treatments be 520~
550 DEG C, the soaking time of Homogenization Treatments is 14~17h.
8. the preparation method as described in claim 3 or 7, which is characterized in that the temperature of step (2) hot extrusion be 380~
430 DEG C, the hot extrusion time is 1~2h, and deformation coefficient is 10~20.
9. preparation method as claimed in claim 3, which is characterized in that the drawing of the step (3) is multi pass drawing, described
The number of drawing is 10~20；
It is once annealed after per drawing twice；The temperature annealed every time independently is 380~430 DEG C, the soaking time of annealing
It independently is 1~2h.
10. any one of aluminium copper as claimed in claim 1 or 2 welding wire or claim 3~9 preparation method are prepared
Application of the aluminium copper welding wire in melting pole gas shielded arc welding or ac tungsten inert gases welding.
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| CN110732807A (en) * | 2019-09-25 | 2020-01-31 | 中国人民解放军陆军装甲兵学院 | Preparation method of aluminum-silicon wire material for additive remanufacturing |
| CN111020319A (en) * | 2019-12-02 | 2020-04-17 | 南昌航空大学 | Special wire for additive manufacturing of high-strength aluminum-copper alloy, and preparation method and application thereof |
| CN111203672A (en) * | 2020-02-20 | 2020-05-29 | 抚顺东工冶金材料技术有限公司 | Aluminum-copper alloy welding wire manufactured by wire material additive |
| CN113245744A (en) * | 2021-07-05 | 2021-08-13 | 西安鑫红石科技有限责任公司 | Aluminum-copper alloy casting repair material and repair method |
| CN114012305A (en) * | 2021-11-05 | 2022-02-08 | 江苏豪然喷射成形合金有限公司 | Welding wire for spray forming of aluminum-lithium alloy and preparation method thereof |
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| CN101219508A (en) * | 2008-01-22 | 2008-07-16 | 郑州机械研究所 | Seamless explosive core aluminium welding wire and manufacturing method thereof |
| CN106862796A (en) * | 2017-03-07 | 2017-06-20 | 国网山东省电力公司电力科学研究院 | A kind of aluminium copper earthing material welding wire and preparation method thereof |
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| JPS5868495A (en) * | 1981-10-19 | 1983-04-23 | Hitachi Ltd | Production of brazing filler metal |
| JPS61216895A (en) * | 1985-03-22 | 1986-09-26 | Daido Steel Co Ltd | Production of powder-cored welding wire |
| CN1785580A (en) * | 2004-12-08 | 2006-06-14 | 中国科学院金属研究所 | High strength low heat cracking aluminium copper serial alloy welding wire, its preparation method and application |
| CN101219508A (en) * | 2008-01-22 | 2008-07-16 | 郑州机械研究所 | Seamless explosive core aluminium welding wire and manufacturing method thereof |
| CN106862796A (en) * | 2017-03-07 | 2017-06-20 | 国网山东省电力公司电力科学研究院 | A kind of aluminium copper earthing material welding wire and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732807A (en) * | 2019-09-25 | 2020-01-31 | 中国人民解放军陆军装甲兵学院 | Preparation method of aluminum-silicon wire material for additive remanufacturing |
| CN111020319A (en) * | 2019-12-02 | 2020-04-17 | 南昌航空大学 | Special wire for additive manufacturing of high-strength aluminum-copper alloy, and preparation method and application thereof |
| CN111020319B (en) * | 2019-12-02 | 2021-10-08 | 南昌航空大学 | Special wire for additive manufacturing of high-strength aluminum-copper alloy, and preparation method and application thereof |
| CN111203672A (en) * | 2020-02-20 | 2020-05-29 | 抚顺东工冶金材料技术有限公司 | Aluminum-copper alloy welding wire manufactured by wire material additive |
| CN113245744A (en) * | 2021-07-05 | 2021-08-13 | 西安鑫红石科技有限责任公司 | Aluminum-copper alloy casting repair material and repair method |
| CN114012305A (en) * | 2021-11-05 | 2022-02-08 | 江苏豪然喷射成形合金有限公司 | Welding wire for spray forming of aluminum-lithium alloy and preparation method thereof |
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