CN113084396A - Preparation method of anti-crack aluminum alloy welding wire - Google Patents
Preparation method of anti-crack aluminum alloy welding wire Download PDFInfo
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- CN113084396A CN113084396A CN202110379961.8A CN202110379961A CN113084396A CN 113084396 A CN113084396 A CN 113084396A CN 202110379961 A CN202110379961 A CN 202110379961A CN 113084396 A CN113084396 A CN 113084396A
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- aluminum alloy
- colloidal graphite
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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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- 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
Abstract
The invention discloses a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps: s1: placing the colloidal graphite powder in an electric heating furnace for heating, and melting the colloidal graphite powder after heating; s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing; s3: introducing the molten mixture into a treated mold, and performing ultrasonic treatment on the mold; s4: placing the die in a cooling chamber for cooling treatment to obtain an alloy wire; s5: and moving the aluminum alloy wire into a die for hot pressing treatment to obtain the anti-crack aluminum alloy welding wire. According to the invention, the colloidal graphite powder is added into the aluminum alloy, so that the toughness of the aluminum alloy welding wire is greatly improved, the aluminum alloy welding wire is not easy to crack in the using process, meanwhile, in the generating process of the aluminum alloy welding wire, the molten aluminum alloy liquid is subjected to ultrasonic treatment, so that the gaps of the aluminum alloy liquid are smaller, and after solidification and forming, the aluminum alloy welding wire is higher in hardness and is not easy to crack.
Description
Technical Field
The invention relates to the technical field of welding material preparation, in particular to a preparation method of an anti-crack aluminum alloy welding wire.
Background
The aluminum alloy has high specific strength, specific modulus, fracture toughness, fatigue strength and corrosion resistance, and simultaneously has good forming manufacturability and weldability, the aluminum alloy welding wire is an important factor influencing the metal structure and components of a welding seam, the solid-liquid phase line temperature, the corrosion resistance of the welding seam, the heat cracking property and the mechanical property of a near seam region base metal, and is a necessary filling material for aluminum alloy welding, the internal quality of the aluminum alloy welding wire depends on the quality of an original aluminum material to a great extent, the existing aluminum alloy welding wire is easy to crack after welding, and the using effect of the welding wire is reduced.
Disclosure of Invention
The invention provides a preparation method of an anti-cracking aluminum alloy welding wire, which aims to solve the problem that cracking is easy to occur after welding in the background technology.
The invention provides a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the heat preservation time is 5-10min, placing the melted colloidal graphite powder in a cooling medium for cooling, the cooling time is 20-30min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding machine for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing for 6-10min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, performing ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven for drying to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
Preferably, the screening in S1 is performed by using a 30-40 mesh screen.
Preferably, the cooling medium is an aqueous solution of polyvinyl alcohol.
Preferably, the stirring speed of the stirrer in S2 is 800-.
Preferably, the processing steps of the mold in S3 are as follows:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to be 30-40 ℃, baking for 30-40min, and drying the water stain on the surface of the mould;
(3) the temperature of the oven is adjusted to be 100-120 ℃, and the baking time is 26-30 min.
Preferably, in S3, the ultrasonic processing step:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to be 10-15 kHZ, and treating for 6-10 min;
(3) regulating the acoustic frequency to 20-25 kHZ, and treating for 4-8 min.
Preferably, the cooling treatment in S4 is;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 70-80 deg.C, and keeping the temperature for 40-50 min;
(2) adjusting the temperature in the cooling chamber to 20-30 ℃, and keeping the temperature for 1-2 h.
Preferably, the hot pressing step in S5 is:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to be 90-100 ℃, keeping the temperature for 1-2h, adjusting the temperature in the hot pressing chamber to be 30-40 ℃, and keeping the temperature for 40-50 min.
The preparation method of the anti-crack aluminum alloy welding wire has the beneficial effects that:
the colloidal graphite powder is added into the aluminum alloy, so that the toughness of the aluminum alloy welding wire is greatly improved, the aluminum alloy welding wire is not prone to cracking in the using process, meanwhile, in the aluminum alloy welding wire generating process, the aluminum alloy liquid in a molten state is subjected to ultrasonic treatment, gaps of the aluminum alloy liquid are smaller, after solidification and forming, the hardness of the aluminum alloy welding wire is higher, and the aluminum alloy welding wire is not prone to cracking after welding.
Detailed Description
The invention is further illustrated by the following examples.
Example 1
The invention provides a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the preserving heat time is 5min, placing the melted colloidal graphite powder in a polyvinyl alcohol aqueous solution for cooling, wherein the cooling time is 20min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding mill for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing for 6min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, performing ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven for drying to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
And in S1, screening by using a 30-mesh screen.
In S2, the stirring speed of the stirrer is 800 r/min.
The processing steps of the mold in the step S3 are:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to 30 ℃, baking for 30min, and drying the water stain on the surface of the mould;
(3) the oven temperature was adjusted to 100 ℃ and the baking time was 26 min.
An ultrasonic processing step in S3:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to 10-15 kHZ, and treating for 6 min;
(3) the sonic frequency was adjusted to 20kHz and the treatment time was 4 min.
Cooling in S4 to obtain;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 70 ℃, and keeping the temperature for 40 min;
(2) the temperature in the cooling chamber is adjusted to 20 ℃, and the heat preservation time is 1 h.
The hot pressing treatment step in S5 is:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to be 90 ℃, keeping the temperature for 1h, adjusting the temperature in the hot pressing chamber to be 30 ℃, and keeping the temperature for 40 min.
Example 2
The invention provides a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the heat preservation time is 6min, placing the melted colloidal graphite powder in a polyvinyl alcohol aqueous solution for cooling, the cooling time is 22min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding mill for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing for 7min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, performing ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven for drying to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
And in S1, screening by using a 32-mesh screen.
In S2, the stirring speed of the stirrer was 850 r/min.
The processing steps of the mold in the step S3 are:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to 32 ℃, baking for 32min, and drying the water stain on the surface of the mould;
(3) the oven temperature was adjusted to 105 ℃ and the baking time was 27 min.
An ultrasonic processing step in S3:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to 11kHZ, and treating for 7 min;
(3) the sonic frequency was adjusted to 21kHz and the treatment time was 5 min.
Cooling in S4 to obtain;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 72 ℃, and keeping the temperature for 42 min;
(2) the temperature in the cooling chamber is adjusted to 22 ℃, and the heat preservation time is 1.2 h.
The hot pressing treatment step in S5 is:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to be 90 ℃, keeping the temperature for 1.2h, adjusting the temperature in the hot pressing chamber to be 32 ℃, and keeping the temperature for 42 min.
Example 3
The invention provides a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the heat preservation time is 8min, placing the melted colloidal graphite powder in a polyvinyl alcohol aqueous solution for cooling, wherein the cooling time is 25min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding mill for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer to be mixed for 8min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, carrying out ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven to be dried to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
And in S1, screening by using a 34-mesh screen.
In S2, the stirring speed of the stirrer is 900 r/min.
The processing steps of the mold in the step S3 are:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to be 34 ℃, baking for 34min, and drying the water stain on the surface of the mould;
(3) the oven temperature was adjusted to 110 ℃ and the baking time was 28 min.
An ultrasonic processing step in S3:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to be 13kHZ, and processing for 8 min;
(3) the sonic frequency was adjusted to 23kHz and the treatment time was 6 min.
Cooling in S4 to obtain;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 74 ℃, and keeping the temperature for 44 min;
(2) the temperature in the cooling chamber is adjusted to 24 ℃, and the heat preservation time is 1.4 h.
The hot pressing treatment step in S5 is:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to be 95 ℃, keeping the temperature for 1.5h, adjusting the temperature in the hot pressing chamber to be 35 ℃, and keeping the temperature for 45 min.
Example 4
The invention provides a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the preserving heat time is 9min, placing the melted colloidal graphite powder in a polyvinyl alcohol aqueous solution for cooling, wherein the cooling time is 28min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding mill for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing for 9min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, performing ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven for drying to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
And in S1, screening by using a 38-mesh screen.
In S2, the stirring speed of the stirrer is 950 r/min.
The processing steps of the mold in the step S3 are:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to 38 ℃, baking for 38min, and drying the water stain on the surface of the mould;
(3) the oven temperature was adjusted to 115 ℃ and the baking time was 29 min.
An ultrasonic processing step in S3:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to be 14kHZ, and treating for 9 min;
(3) the sonic frequency was adjusted to 24kHZ and the treatment time was 7 min.
Cooling in S4 to obtain;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 78 ℃, and keeping the temperature for 48 min;
(2) the temperature in the cooling chamber is adjusted to 28 ℃, and the heat preservation time is 1.7 h.
The hot pressing treatment step in S5 is:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to 97 ℃, keeping the temperature for 1.7h, adjusting the temperature in the hot pressing chamber to 37 ℃, and keeping the temperature for 47 min.
Example 5
The invention provides a preparation method of an anti-crack aluminum alloy welding wire, which comprises the following steps:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the heat preservation time is 10min, placing the melted colloidal graphite powder in a polyvinyl alcohol aqueous solution for cooling, wherein the cooling time is 30min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding mill for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing for 10min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, performing ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven for drying to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
And in S1, screening by using a 40-mesh screen.
In S2, the stirring speed of the stirrer is 1000 r/min.
The processing steps of the mold in the step S3 are:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to 40 ℃, baking for 40min, and drying the water stain on the surface of the mould;
(3) the temperature of the oven is adjusted to 120 ℃, and the baking time is 30 min.
An ultrasonic processing step in S3:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to be 15kHZ, and treating for 10 min;
(3) the sonic frequency was adjusted to 25kHz and the treatment time was 8 min.
Cooling in S4 to obtain;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 80 ℃, and keeping the temperature for 50 min;
(2) the temperature in the cooling chamber is adjusted to 30 ℃, and the heat preservation time is 2 h.
The hot pressing treatment step in S5 is:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to be 100 ℃, keeping the temperature for 2 hours, adjusting the temperature in the hot pressing chamber to be 40 ℃, and keeping the temperature for 50 min.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The preparation method of the anti-crack aluminum alloy welding wire is characterized by comprising the following steps of:
s1: placing colloidal graphite powder in an electric heating furnace for heating, melting the colloidal graphite powder after heating, preserving heat after melting, wherein the heat preservation time is 5-10min, placing the melted colloidal graphite powder in a cooling medium for cooling, the cooling time is 20-30min to obtain colloidal graphite blocks, placing the colloidal graphite blocks in a grinding machine for grinding, and obtaining amorphous colloidal graphite powder after screening;
s2: putting potassium silicate and amorphous colloidal graphite powder into a stirrer for mixing for 6-10min to obtain mixed powder, putting the mixed powder into a ball mill, adding a sodium polyacrylate solution into the mixed powder, performing ball milling to obtain ball milling slurry, and putting the ball milling slurry into an oven for drying to obtain modified colloidal graphite powder particles;
s3: grinding modified colloidal graphite powder particles in a ball milling tank to obtain modified colloidal graphite powder, mixing the modified colloidal graphite powder with 6061 aluminum alloy powder, heating the mixture in an electric heating furnace, melting the mixture after heating, introducing the melted mixture into a processed die, and performing ultrasonic treatment on the die;
s4: placing the die in a cooling chamber for cooling treatment, and obtaining an alloy wire after cooling;
s5: and moving the aluminum alloy wire into a die for hot pressing treatment, and obtaining the anti-crack aluminum alloy welding wire after the hot pressing treatment.
2. The method for preparing the anti-crack aluminum alloy welding wire according to the claim 1, wherein the screening in the S1 is performed by adopting a 30-40-mesh screen.
3. The method for preparing the anti-crack aluminum alloy welding wire according to claim 1, wherein the cooling medium is a polyvinyl alcohol aqueous solution.
4. The method for preparing the anti-crack aluminum alloy welding wire as recited in claim 1, wherein the stirring speed of the stirrer in the S2 is 800-1000 r/min.
5. The method for preparing the anti-crack aluminum alloy welding wire according to the claim 1, wherein the step of processing the die in the step S3 is as follows:
(1) spraying alkali liquor by using a spray gun to wash the mould, spraying neutralizing solution by using the spray gun to wash the mould, and putting the washed mould into a clean water tank for washing;
(2) putting the mould into an oven, adjusting the temperature of the oven to be 30-40 ℃, baking for 30-40min, and drying the water stain on the surface of the mould;
(3) the temperature of the oven is adjusted to be 100-120 ℃, and the baking time is 26-30 min.
6. The method for preparing the crack-resistant aluminum alloy welding wire according to claim 1, wherein the ultrasonic treatment step in the step S3 is as follows:
(1) fixing the mold filled with the molten mixture, wherein the sound wave emitting head is opposite to the mold;
(2) starting an ultrasonic device, adjusting the sound wave frequency to be 10-15 kHZ, and treating for 6-10 min;
(3) regulating the acoustic frequency to 20-25 kHZ, and treating for 4-8 min.
7. The method for preparing the anti-crack aluminum alloy welding wire according to the claim 1, wherein the cooling treatment in the step S4 is;
(1) placing the mold on a support frame, adjusting the temperature in a cooling chamber to 70-80 deg.C, and keeping the temperature for 40-50 min;
(2) adjusting the temperature in the cooling chamber to 20-30 ℃, and keeping the temperature for 1-2 h.
8. The method for preparing the anti-crack aluminum alloy welding wire according to claim 1, wherein the hot pressing step in the step S5 is as follows:
and (3) placing the die filled with the aluminum alloy wire into a hot pressing chamber, adjusting the temperature in the hot pressing chamber to be 90-100 ℃, keeping the temperature for 1-2h, adjusting the temperature in the hot pressing chamber to be 30-40 ℃, and keeping the temperature for 40-50 min.
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| JPS5770100A (en) * | 1980-10-17 | 1982-04-30 | Matsushita Electric Ind Co Ltd | Production of welding wire |
| CN103343266A (en) * | 2013-07-24 | 2013-10-09 | 上海交通大学 | High-thermal-conductivity graphite-high silicon aluminium-based composite material and preparation process for same |
| CN106041372A (en) * | 2016-07-11 | 2016-10-26 | 董晓 | Method for preparing aluminum alloy welding wire by modifying basalt particles |
| CN108274008A (en) * | 2018-03-28 | 2018-07-13 | 何治伟 | A kind of preparation method of anti-splashing cracking resistance aluminium alloy welding wire |
| CN109868383A (en) * | 2019-02-28 | 2019-06-11 | 常州西夏墅东方工具有限公司 | A kind of preparation method of aluminum alloy smelting deslagging agent |
| CN110747361A (en) * | 2019-11-20 | 2020-02-04 | 中南大学 | Preparation method of titanium boride reinforced aluminum-based composite material based on ultrasonic and mechanical stirring |
-
2021
- 2021-04-09 CN CN202110379961.8A patent/CN113084396B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5770100A (en) * | 1980-10-17 | 1982-04-30 | Matsushita Electric Ind Co Ltd | Production of welding wire |
| CN103343266A (en) * | 2013-07-24 | 2013-10-09 | 上海交通大学 | High-thermal-conductivity graphite-high silicon aluminium-based composite material and preparation process for same |
| CN106041372A (en) * | 2016-07-11 | 2016-10-26 | 董晓 | Method for preparing aluminum alloy welding wire by modifying basalt particles |
| CN108274008A (en) * | 2018-03-28 | 2018-07-13 | 何治伟 | A kind of preparation method of anti-splashing cracking resistance aluminium alloy welding wire |
| CN109868383A (en) * | 2019-02-28 | 2019-06-11 | 常州西夏墅东方工具有限公司 | A kind of preparation method of aluminum alloy smelting deslagging agent |
| CN110747361A (en) * | 2019-11-20 | 2020-02-04 | 中南大学 | Preparation method of titanium boride reinforced aluminum-based composite material based on ultrasonic and mechanical stirring |
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