CN111139385B - Aluminum alloy welding wire containing ceramic particles and preparation method and application thereof - Google Patents
Aluminum alloy welding wire containing ceramic particles and preparation method and application thereof Download PDFInfo
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- CN111139385B CN111139385B CN201911411516.4A CN201911411516A CN111139385B CN 111139385 B CN111139385 B CN 111139385B CN 201911411516 A CN201911411516 A CN 201911411516A CN 111139385 B CN111139385 B CN 111139385B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
- B23K35/288—Al as the principal constituent with Sn or Zn
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
- C22C1/1052—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites by mixing and casting metal matrix composites with reaction
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0047—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents
- C22C32/0073—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with carbides, nitrides, borides or silicides as the main non-metallic constituents only borides
Abstract
The invention discloses an aluminum alloy welding wire containing ceramic particles and a preparation method and application thereof. The aluminum alloy welding wire comprises the following elements in percentage by weight: zn: 12.5-14.5%, Mg: 1.8-3.0%, Cu: 3.0-4.5%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4%, TiB2Less than or equal to 6 percent of ceramic particles and the balance of Al; wherein, TiB2The ceramic particles have a particle size of 1-10 microns.
Description
Technical Field
The invention relates to the technical field of aluminum alloy welding wires, in particular to an aluminum alloy welding wire containing ceramic particles and a preparation method and application thereof.
Background
The aluminum alloy has the advantages of high specific strength and high specific rigidity, and is widely applied to the fields of aerospace, transportation and the like. With the rapid development of high and new technologies, the requirements on the high and new technologies are higher and higher, and safety, environmental protection, energy conservation and emission reduction become the most important development direction at present. Especially, the 7XXX series high-strength aluminum alloy becomes the most promising lightweight material with excellent comprehensive performance and is commonly concerned by experts of scholars at home and abroad.
However, the 7XXX series high strength aluminum alloy has poor welding performance, and has a series of problems of large tendency of crack of a welding joint, serious softening of the joint, deformation and the like. When the commonly used Al-Mg welding wire is adopted, the welding seam is easy to crack, the strength of the welding seam can only be stabilized to about 300MPa at most, and the requirements of high specific strength and high specific rigidity can not be met.
Researches show that the introduction of the nano particles not only can effectively refine grains and improve the size and distribution of a second phase, but also can fundamentally eliminate the hot cracking sensitivity of the material.
Therefore, the development of an aluminum alloy welding wire containing ceramic particles is urgently needed, the welding seam strength and the thermal stability are improved, and the problem that 7XXX series aluminum alloy welding is easy to crack is solved.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an aluminum alloy welding wire containing ceramic particles and a preparation method thereof, wherein the aluminum alloy welding wire is used for improving the strength and the thermal stability of a welding seam.
In order to solve the technical problems, the invention adopts the following technical scheme:
an aluminum alloy welding wire containing ceramic particles is characterized by comprising the following elements in percentage by weight: zn: 12.5-14.5%, Mg: 1.8-3.0%, Cu: 3.0-4.5%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4%, TiB2Less than or equal to 6 percent of ceramic particles and the balance of Al; wherein, TiB2The ceramic particles have a particle size of 1-10 microns.
In a preferred embodiment of the invention, the aluminum alloy welding wire comprises the following elements in percentage by weight: 12.5% Zn, 1.8% Mg, 3.0% Cu, 0.2% Zr, 0.15% Cr, 0.3% Fe, 0.2% Si, 0.4% Mn, TiB26 percent of ceramic particles and the balance of Al, wherein TiB2The ceramic particles have a particle size of 1-3 microns.
In a preferred embodiment of the invention, the aluminum alloy welding wire comprises the following elements in percentage by weight: zn: 13-14.5%, Mg: 2.1-2.6%, Cu: 3.0-4.0%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4%, TiB2Less than or equal to 4 percent of ceramic particles and the balance of Al.
In a preferred embodiment of the invention, the aluminum alloy welding wire comprises the following elements in percentage by weight: 14.5% of Zn, 2.2% of Mg, 4% of Cu, 0.15% of Zr, 0.1% of Cr, 0.2% of Fe, 0.15% of Si,mn 0.15%, TiB23.5 percent of ceramic particles and the balance of Al, wherein TiB2The ceramic particles have a particle size of 4 to 7 microns.
In a preferred embodiment of the invention, the aluminum alloy welding wire comprises the following elements in percentage by weight: zn: 13-14%, Mg: 2.5-2.6%, Cu: 3.0-3.5%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4%, TiB2Less than or equal to 2 percent of ceramic particles and the balance of Al.
In a preferred embodiment of the invention, the aluminum alloy welding wire comprises the following elements in percentage by weight: 13% Zn, 2.6% Mg, 3.5% Cu, 0.15% Zr, 0.03% Cr, 0.03% Fe, 0.02% Si, 0.04% Mn, TiB21.5 percent of ceramic particles and the balance of Al, wherein TiB2The ceramic particles have a particle size of 8-10 microns.
The invention also discloses a preparation method of the aluminum alloy welding wire containing the ceramic particles, which is characterized by comprising the following steps of:
s1: in situ synthesis reaction
Melting pure aluminum, adding covering agent, covering uniformly, heating for smelting, and mixing uniformly mixed KBF4、K2TiF6Drying the powder, adding the dried powder into the melt obtained by smelting, stirring, adding other compounds containing elements after the reaction is finished and slagging off, then adding a refining agent for refining, and performing vacuum degassing to obtain aluminum alloy metal liquid containing ceramic particles;
s2: ultrasonic electromagnetic semi-continuous casting
Stirring the molten metal obtained in the step S1 uniformly, and performing ultrasonic electromagnetic semi-continuous casting in an argon environment to obtain an ingot;
s3: homogenization
Carrying out homogenization annealing on the cast ingot obtained in the step S2 to obtain a casting blank;
s4: extrusion
Extruding the casting blank obtained in the step S3 into an aluminum alloy wire blank, wherein the extrusion ratio is 10-15;
s5: high temperature drawing
Preheating the aluminum alloy wire blank obtained in the step S4 to 400-420 ℃, and performing multi-pass drawing between 400-420 ℃ to obtain welding wires with different specifications;
s6: surface treatment
And (4) carrying out acid washing, polishing and grinding on the welding wire obtained in the step S5.
In a preferred embodiment of the invention, in the step S2, when the melt temperature is reduced to 710-730 ℃, semi-continuous casting is started, the speed is controlled to be 30-50mm/min when the casting is started, the cooling water amount is 70-90L/min, then the casting speed is gradually increased to 60-100mm/min, after the speed is stabilized, the electromagnetic field is started to be applied, the current is applied to be I (55-65A), the frequency is f (5-35Hz), when the ingot length is 110-130mm, the ultrasonic field is applied while the electromagnetic field is applied, and the ultrasonic power is 70-210W.
In a preferred embodiment of the present invention, the step S3 homogenizes the annealing temperature to 465-475 degrees.
The invention also discloses an application of the aluminum alloy welding wire containing the ceramic particles in electric arc additive manufacturing.
Compared with the prior art, the invention has the following beneficial effects:
1) the invention solves the problems of low welding strength and easy hot cracking of the 7XXX series aluminum alloy. By adopting the welding wire to weld the 7XXX series aluminum alloy, the thermal stability and the welding line strength of the welding line can be obviously improved.
2) The welding wire ingot casting is prepared by adopting an ultrasonic electromagnetic semi-continuous casting process, so that the uniform distribution of particles in the structure can be realized, and the crystal grains are refined.
3) High-temperature drawing is adopted, so that the forming quality of the welding wire can be obviously improved, and the stability of arc welding is improved.
4) The internal structure of the 7XXX series aluminum alloy cast by the (ultrasonic field + electromagnetic field) composite field is obviously improved, and the advantages of a single magnetic field and a single ultrasonic field are combined. The ultrasound field compensates for the "skin effect" of the electromagnetic field, which compensates for the "focusing effect" of the ultrasound field.
5) The method of adding ceramic particles to the matrix can also be applied to materials other than 7XXX aluminum alloy, which are easy to generate heat cracks in the welding process.
6) The invention provides a new idea for other material systems which are difficult to weld and is expected to improve the welding among different materials.
7) TiB of the invention2The ceramic particles account for less than or equal to 6 percent of the total weight of the welding wire, effectively improves the comprehensive performance of the welding wire, if TiB2The ceramic particles exceed 6 percent of the total weight of the welding wire, which can cause the defects of welding wire materials, gas holes, looseness, poor welding seam performance and the like.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
Example 1
An aluminum alloy welding wire containing ceramic particles comprises the following elements in percentage by weight: 12.5% Zn, 1.8% Mg, 3.0% Cu, 0.2% Zr, 0.15% Cr, 0.3% Fe, 0.2% Si, 0.4% Mn, TiB26 percent of ceramic particles and the balance of Al, wherein TiB2The ceramic particles have a particle size of 1-3 microns.
The preparation method of the aluminum alloy welding wire containing the ceramic particles in the embodiment 1 comprises the following specific steps:
s1: in situ synthesis reaction
Melting pure aluminum, adding covering agent, covering uniformly, heating for smelting, and mixing uniformly mixed KBF4、K2TiF6Drying the powder, adding the dried powder into the melt obtained by smelting, stirring, adding other compounds containing elements after the reaction is finished and slagging off, then adding a refining agent for refining, and performing vacuum degassing to obtain aluminum alloy metal liquid containing ceramic particles;
s2: ultrasonic electromagnetic semi-continuous casting
Stirring the molten metal obtained in the step S1 uniformly, and performing ultrasonic electromagnetic semi-continuous casting in an argon environment to obtain an ingot; when the temperature of the melt is reduced to 710-730 ℃, semi-continuous casting is started, the speed is controlled at 40mm/min when the casting is started, the cooling water amount is 70L/min, then the casting speed is gradually increased to 90mm/min, after the speed is stabilized, an electromagnetic field is started to be applied, the applied current is I (55-65A), the frequency f is 5Hz, when the length of the ingot is 110-130mm, an ultrasonic field is applied while the electromagnetic field is applied, and the ultrasonic power is 70W;
s3: homogenization
Carrying out homogenization annealing on the ingot obtained in the step S2 to obtain a casting blank, wherein the homogenization annealing temperature is 465-475 ℃;
s4: extrusion
Extruding the casting blank obtained in the step S3 into an aluminum alloy wire blank, wherein the extrusion ratio is 10-15;
s5: high temperature drawing
Preheating the aluminum alloy wire blank obtained in the step S4 to 400-420 ℃, and performing multi-pass drawing between 400-420 ℃ to obtain welding wires with different specifications;
s6: surface treatment
And (4) carrying out acid washing, polishing and grinding on the welding wire obtained in the step S5.
Example 2
An aluminum alloy welding wire containing ceramic particles comprises the following elements in percentage by weight: 14.5% of Zn, 2.2% of Mg, 4% of Cu, 0.15% of Zr, 0.1% of Cr, 0.2% of Fe, 0.15% of Si, 0.15% of Mn, and TiB23.5 percent of ceramic particles and the balance of Al, wherein TiB2The ceramic particles have a particle size of 4-7 microns.
The preparation method of the aluminum alloy welding wire containing the ceramic particles in the embodiment 2 comprises the following specific steps:
s1: in situ synthesis reaction
Melting pure aluminum, adding covering agent, covering uniformly, heating for smelting, and mixing uniformly mixed KBF4、K2TiF6Drying the powder, adding the dried powder into the melt obtained by smelting, stirring, adding other compounds containing elements after the reaction is finished and slagging off, then adding a refining agent for refining, and performing vacuum degassing to obtain aluminum alloy metal liquid containing ceramic particles;
s2: ultrasonic electromagnetic semi-continuous casting
Stirring the molten metal obtained in the step S1 uniformly, and performing ultrasonic electromagnetic semi-continuous casting in an argon environment to obtain an ingot; when the temperature of the melt is reduced to 710-730 ℃, semi-continuous casting is started, the speed is controlled at 40mm/min when the casting is started, the cooling water amount is 85L/min, then the casting speed is gradually increased to 90mm/min, after the speed is stabilized, an electromagnetic field is started to be applied, the applied current is I (55-65A), the frequency f is 20Hz, when the length of the ingot is 110-130mm, an ultrasonic field is applied while the electromagnetic field is applied, and the ultrasonic power is 140W;
s3: homogenization
Carrying out homogenization annealing on the ingot obtained in the step S2 to obtain a casting blank, wherein the homogenization annealing temperature is 465-475 ℃;
s4: extrusion
Extruding the casting blank obtained in the step S3 into an aluminum alloy wire blank, wherein the extrusion ratio is 10-15;
s5: high temperature drawing
Preheating the aluminum alloy wire blank obtained in the step S4 to 400-420 ℃, and performing multi-pass drawing between 400-420 ℃ to obtain welding wires with different specifications;
s6: surface treatment
And (4) carrying out acid washing, polishing and grinding on the welding wire obtained in the step S5.
Example 3
An aluminum alloy welding wire containing ceramic particles comprises the following elements in percentage by weight: 13% Zn, 2.6% Mg, 3.5% Cu, 0.15% Zr, 0.03% Cr, 0.03% Fe, 0.02% Si, 0.04% Mn, TiB21.5 percent of ceramic particles and the balance of Al, wherein TiB2The ceramic particles have a particle size of 8-10 microns.
The preparation method of the aluminum alloy welding wire containing the ceramic particles in the embodiment 3 comprises the following specific steps:
s1: in situ synthesis reaction
Melting pure aluminum, adding covering agent, covering uniformly, heating for smelting, and mixing uniformly mixed KBF4、K2TiF6Drying the powder, adding the dried powder into the melt obtained by smelting, stirring, adding other compounds containing elements after the reaction is finished and slagging off, then adding a refining agent for refining, and performing vacuum degassing to obtain aluminum alloy metal liquid containing ceramic particles;
s2: ultrasonic electromagnetic semi-continuous casting
Stirring the molten metal obtained in the step S1 uniformly, and performing ultrasonic electromagnetic semi-continuous casting in an argon environment to obtain an ingot; when the temperature of the melt is reduced to 710-730 ℃, semi-continuous casting is started, the speed is controlled at 40mm/min when the casting is started, the cooling water amount is 85L/min, then the casting speed is gradually increased to 90mm/min, after the speed is stabilized, an electromagnetic field is started to be applied, the applied current is I (55-65A), the frequency f is 20Hz, when the length of the ingot is 110-130mm, an ultrasonic field is applied while the electromagnetic field is applied, and the ultrasonic power is 210W;
s3: homogenization
Carrying out homogenization annealing on the ingot obtained in the step S2 to obtain a casting blank, wherein the homogenization annealing temperature is 465-475 ℃;
s4: extrusion
Extruding the casting blank obtained in the step S3 into an aluminum alloy wire blank, wherein the extrusion ratio is 10-15;
s5: high temperature drawing
Preheating the aluminum alloy wire blank obtained in the step S4 to 400-420 ℃, and performing multi-pass drawing between 400-420 ℃ to obtain welding wires with different specifications;
s6: surface treatment
And (4) carrying out acid washing, polishing and grinding on the welding wire obtained in the step S5.
Results of Performance testing
Arc additive manufacturing was performed using the aluminum alloy welding wire containing ceramic aluminum particles prepared in examples 1 to 3, and tensile properties of the fabricated test specimens were measured after T6 heat treatment, and the test standards of the test specimens were according to ASTM E8 metal tensile test standards, with the results shown in table 1 below.
| Yield strength/MPa | Breaking strength/MPa | Elongation percentage | |
| Example 1 | 490 | 595 | 9％ |
| Example 2 | 512 | 621 | 12％ |
| Example 3 | 536 | 650 | 15％ |
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The preparation method of the aluminum alloy welding wire containing the ceramic particles is characterized in that the aluminum alloy welding wire comprises the following elements in percentage by weight: zn: 12.5-14.5%, Mg: 1.8-3.0%, Cu: 3.0-4.5%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4%, less than or equal to 6% of TiB2 ceramic particles, and the balance of Al; the grain size of the TiB2 ceramic particles is 1-10 microns, and the method for preparing the aluminum alloy welding wire containing the ceramic particles comprises the following steps:
s1: melting pure aluminum, adding a covering agent, uniformly covering, heating for melting, drying uniformly mixed KBF4 and K2TiF6 powder, adding the dried powder into a melt obtained by melting, stirring, adding other compounds containing elements after the reaction is finished and slagging off, adding a refining agent for refining, and performing vacuum degassing to obtain an aluminum alloy metal liquid containing ceramic particles;
s2: and (4) uniformly stirring the molten metal obtained in the step (S1), and performing ultrasonic electromagnetic semi-continuous casting in an argon environment to obtain a cast ingot, wherein the ultrasonic electromagnetic semi-continuous casting refers to: when the temperature of the melt is reduced to 710-730 ℃, semi-continuous casting is started, the speed is controlled to be 30-50mm/min when the casting is started, the cooling water amount is 70-90L/min, then the casting speed is gradually increased to be 60-100mm/min, an electromagnetic field is applied after the speed is stabilized, the applied current I is 55-65A, the frequency f is 5-35Hz, when the length of the ingot is 110-130mm, an ultrasonic field is applied while the electromagnetic field is applied, and the ultrasonic power is 70-210W;
s3: carrying out homogenization annealing on the cast ingot obtained in the step S2 to obtain a casting blank;
s4: extruding the casting blank obtained in the step S3 into an aluminum alloy wire blank, wherein the extrusion ratio is 10-15;
s5: preheating the aluminum alloy wire blank obtained in the step S4 to 400-420 ℃, and performing multi-pass drawing between 400-420 ℃ to obtain welding wires with different specifications;
s6: and (4) carrying out acid washing, polishing and grinding on the welding wire obtained in the step S5.
2. The method for preparing an aluminum alloy welding wire containing ceramic particles as defined in claim 1, wherein: the aluminum alloy welding wire comprises the following elements in percentage by weight: 12.5% of Zn, 1.8% of Mg, 3.0% of Cu, 0.2% of Zr, 0.15% of Cr, 0.3% of Fe, 0.2% of Si, 0.4% of Mn, 6% of TiB2 ceramic particles and the balance of Al, wherein the particle size of the TiB2 ceramic particles is 1-3 microns.
3. The method for preparing an aluminum alloy welding wire containing ceramic particles as defined in claim 1, wherein: the aluminum alloy welding wire comprises the following elements in percentage by weight: zn: 13-14.5%, Mg: 2.1-2.6%, Cu: 3.0-4.0%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4 percent, less than or equal to 4 percent of TiB2 ceramic particles and the balance of Al.
4. The method for producing an aluminum alloy welding wire containing ceramic particles according to claim 3, wherein: the aluminum alloy welding wire comprises the following elements in percentage by weight: 14.5% of Zn, 2.2% of Mg, 4% of Cu, 0.15% of Zr, 0.1% of Cr, 0.2% of Fe, 0.15% of Si, 0.15% of Mn, 3.5% of TiB2 ceramic particles and the balance of Al, wherein the particle size of the TiB2 ceramic particles is 4-7 microns.
5. The method for preparing an aluminum alloy welding wire containing ceramic particles as defined in claim 1, wherein: the aluminum alloy welding wire comprises the following elements in percentage by weight: zn: 13-14%, Mg: 2.5-2.6%, Cu: 3.0-3.5%, Zr: 0.02-0.3%, Cr: 0.03-0.3%, Fe: 0.01-0.4%, Si: 0.01-0.3%, Mn: 0.01-0.4 percent, less than or equal to 2 percent of TiB2 ceramic particles and the balance of Al.
6. The method for producing an aluminum alloy welding wire containing ceramic particles according to claim 5, wherein: the aluminum alloy welding wire comprises the following elements in percentage by weight: 13% of Zn, 2.6% of Mg, 3.5% of Cu, 0.15% of Zr, 0.03% of Cr, 0.03% of Fe, 0.02% of Si, 0.04% of Mn, 1.5% of TiB2 ceramic particles and the balance of Al, wherein the particle size of the TiB2 ceramic particles is 8-10 microns.
7. The method for preparing an aluminum alloy welding wire containing ceramic particles as defined in claim 1, wherein: the step S3 uniformizes the annealing temperature to 465-475 degrees.
8. Use of an aluminum alloy welding wire containing ceramic particles according to claim 1 in arc additive manufacturing.
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| CN108070733A (en) * | 2017-06-12 | 2018-05-25 | 吉林大学 | A kind of novel nano titanium boride pottery aluminium combined wire wire rod |
| CN108796322A (en) * | 2018-06-15 | 2018-11-13 | 东北大学 | A kind of aluminium alloy welding wire and preparation method thereof containing nano alumina particles |
| CN110306083A (en) * | 2019-07-24 | 2019-10-08 | 上海交通大学 | High tough Al-Si metal matrix composite welding wire and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108070733A (en) * | 2017-06-12 | 2018-05-25 | 吉林大学 | A kind of novel nano titanium boride pottery aluminium combined wire wire rod |
| CN108796322A (en) * | 2018-06-15 | 2018-11-13 | 东北大学 | A kind of aluminium alloy welding wire and preparation method thereof containing nano alumina particles |
| CN110306083A (en) * | 2019-07-24 | 2019-10-08 | 上海交通大学 | High tough Al-Si metal matrix composite welding wire and preparation method thereof |
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