CN111299897A - Preparation method of flexible welding wire of brittle aluminum-silicon-copper brazing filler metal - Google Patents
Preparation method of flexible welding wire of brittle aluminum-silicon-copper brazing filler metal Download PDFInfo
- Publication number
- CN111299897A CN111299897A CN202010134153.0A CN202010134153A CN111299897A CN 111299897 A CN111299897 A CN 111299897A CN 202010134153 A CN202010134153 A CN 202010134153A CN 111299897 A CN111299897 A CN 111299897A
- Authority
- CN
- China
- Prior art keywords
- aluminum
- silicon
- powder
- filler metal
- brazing filler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005219 brazing Methods 0.000 title claims abstract description 84
- 238000003466 welding Methods 0.000 title claims abstract description 73
- 239000000945 filler Substances 0.000 title claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 64
- 239000002184 metal Substances 0.000 title claims abstract description 64
- -1 aluminum-silicon-copper Chemical compound 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 62
- 238000000034 method Methods 0.000 claims abstract description 41
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 31
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011812 mixed powder Substances 0.000 claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 229910000676 Si alloy Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000003723 Smelting Methods 0.000 claims abstract description 6
- 238000009689 gas atomisation Methods 0.000 claims abstract description 6
- 238000004804 winding Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 229910000679 solder Inorganic materials 0.000 claims abstract 2
- 230000004907 flux Effects 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
- UYFXWCIZFDKSTJ-UHFFFAOYSA-J aluminum;cesium;tetrafluoride Chemical compound [F-].[F-].[F-].[F-].[Al+3].[Cs+] UYFXWCIZFDKSTJ-UHFFFAOYSA-J 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 238000005491 wire drawing Methods 0.000 claims description 2
- 239000011701 zinc Substances 0.000 claims description 2
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 229910018594 Si-Cu Inorganic materials 0.000 claims 2
- 229910008465 Si—Cu Inorganic materials 0.000 claims 2
- 229910021364 Al-Si alloy Inorganic materials 0.000 claims 1
- 229910052797 bismuth Inorganic materials 0.000 claims 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nonmetallic Welding Materials (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a preparation method of a flexible welding wire of a brittle aluminum-silicon-copper brazing filler metal. The invention is a mixed powder wrapped by flexible material aluminum-silicon alloy sheath, which is prepared by fully mixing 10-100% of brittle material aluminum-silicon-copper powder and 0-90% of aluminum solder powder in parts by weight. The method comprises the following steps of (1) preparing aluminum-silicon-copper powder by an aluminum-silicon-copper brazing filler metal through a vacuum melting and gas atomization method; mixing aluminum-silicon-copper powder and aluminum brazing filler metal powder according to a weight ratio, and then putting the mixture into a double-planet stirrer for fully stirring to obtain mixed powder; the aluminum-silicon brazing filler metal is subjected to smelting, extruding, rolling and slitting to obtain an aluminum-silicon brazing filler metal strip; putting the aluminum-silicon brazing filler metal strip into a welding wire forming machine, sequentially passing through each roller, finally rolling into a tubular welding wire and taking the tubular welding wire into a winding machine; and in the welding wire forming process, adding the mixed powder through a powder adding device, and rolling to obtain the flexible tubular flux-cored wire. The invention solves the problem of poor processing and forming performance of the aluminum-silicon-copper brazing filler metal caused by large brittleness.
Description
Technical Field
The invention relates to a preparation method of a flexible welding wire of a brittle aluminum-silicon-copper brazing filler metal.
Background
The aluminum alloy has wide application in industrial production and social life, and the important function of the aluminum alloy in modern industrial materials cannot be replaced due to small specific gravity, good electric conductivity and thermal conductivity, good castability, plasticity and mechanical processing performance. The manufacturing of parts by using 3-series and 6-series high-strength aluminum alloys to replace the original copper structural parts has become the development direction of the manufacturing industry all over the world. But the problems associated with welding copper-aluminum components are increasing.
At present, a copper-aluminum component is mostly connected by brazing by using a zinc-aluminum brazing filler metal, an aluminum-silicon brazing filler metal or an aluminum-silicon-copper brazing filler metal, but the copper-aluminum component has some defects. When the zinc-aluminum brazing filler metal is used for welding a copper-aluminum component, electrochemical corrosion is easy to occur at the position of a welding joint, and the service life is short; the melting point of the aluminum-silicon brazing filler metal is high, the solidus temperature is 577 ℃, the liquidus temperature is above 600 ℃, the melting point is very close to that of 3-series and 6-series high-strength aluminum alloys, and the aluminum-silicon brazing filler metal is easy to overburn during brazing; the aluminum-silicon-copper brazing filler metal welded joint has good corrosion resistance, but the brazing filler metal is brittle and has poor processability, the brazing filler metal is difficult to process into a disc-shaped welding wire or a welding ring, and the requirements of continuous automation and high-efficiency brazing cannot be met.
Disclosure of Invention
The invention provides a preparation method of a flexible welding wire of a brittle aluminum-silicon-copper brazing filler metal, which can overcome the technical defect that the conventional aluminum-silicon-copper brazing filler metal is difficult to process into the welding wire due to high brittleness.
In order to achieve the purpose, the invention provides the following technical scheme that the preparation method of the flexible welding wire of the brittle aluminum-silicon-copper brazing filler metal is characterized in that a flexible material aluminum-silicon alloy sheath wraps a mixed powder, and the mixed powder is formed by mixing a brittle material aluminum-silicon-copper powder and an aluminum brazing flux powder.
Preferably, the aluminum-silicon-copper powder comprises 15-30% of copper, 3-7% of silicon, 0-3% of nickel and the balance of aluminum.
Preferably, the aluminum brazing flux powder consists of potassium fluoroaluminate powder and cesium fluoroaluminate powder.
Preferably, the mixed powder is prepared by fully mixing 10 to 100 weight percent of brittle material aluminum-silicon-copper powder and 0 to 90 weight percent of aluminum-brazing flux powder.
Preferably, the components of the aluminum-silicon alloy sheath are more than or equal to 4.5 percent and less than or equal to 13.0 percent of silicon, less than or equal to 5.0 percent of copper, less than or equal to 2.0 percent of magnesium, less than or equal to 3.0 percent of zinc, less than or equal to 0.8 percent of iron, less than or equal to 0.15 percent of manganese, less than or equal to 0.2 percent of titanium, less than or equal to 0.15 percent of chromium, less than or equal to 0..
Preferably, the content of the aluminum-silicon alloy sheath ranges from 20% to 80%, and the content of the mixed powder ranges from 20% to 80%.
Preferably, the preparation method comprises the following steps:
(1) preparing aluminum-silicon-copper powder from 15-30% of copper, 3-7% of silicon, 0-3% of nickel and the balance of aluminum by a vacuum melting and gas atomization method;
(2) mixing aluminum-silicon-copper powder and aluminum brazing filler metal powder according to a weight ratio, and then putting the mixture into a double-planet stirrer for fully stirring to obtain mixed powder;
(3) the aluminum-silicon brazing filler metal is subjected to smelting, extruding, rolling and slitting to obtain an aluminum-silicon brazing filler metal strip;
(4) putting the aluminum-silicon brazing filler metal strip into a welding wire forming machine, sequentially passing through each roller, finally rolling into a tubular welding wire and taking the tubular welding wire into a winding machine;
(5) in the welding wire forming process, adding the mixed powder obtained in the step (2) through a powder adding device, and rolling to obtain a flexible tubular flux-cored wire;
(6) the flexible welding wire can be drawn to different sizes by a drawing and reducing method through a wire drawing machine.
Preferably, the above brittle aluminum-silicon-copper brazing filler metal can adjust the brazing performance of the welding wire by adjusting the ratio of aluminum-silicon-copper powder to aluminum brazing filler metal powder in the aluminum-silicon alloy sheath and the mixed powder.
The invention has the beneficial effects that: the method solves the problem of poor processing and forming performance of the aluminum-silicon-copper brazing filler metal due to large brittleness of the aluminum-silicon-copper brazing filler metal, prepares the flexible aluminum-silicon-copper brazing filler metal welding wire, meets the requirements of subsequent wire coiling or ring manufacturing processing, and is suitable for the requirements of continuous automation and high-efficiency brazing. The aluminum-silicon-copper flexible welding wire produced by the forming method can be directly used for welding a copper-aluminum component without adding an aluminum brazing flux, a welding joint has good corrosion resistance, long service life and good processability, and can be further processed into a disc-shaped welding wire or a welding ring to realize continuous automatic welding; the brazing performance of the welding wire can be adjusted by adjusting the proportion of the aluminum-silicon-copper powder to the aluminum brazing flux powder in the aluminum-silicon alloy sheath and the mixed powder, and the method is simple and convenient, low in cost and high in efficiency.
Detailed Description
The present invention will be further described below.
Example 1
1. The aluminum-silicon-copper brazing filler metal with the components of 26.0 to 27.0 percent of copper, 4.5 to 5.5 percent of silicon and the balance of aluminum is prepared into aluminum-silicon-copper powder with the granularity of-120 meshes by a vacuum melting and gas atomization method.
2. Weighing aluminum-silicon-copper powder and aluminum brazing filler metal powder according to the weight ratio of 3:1, and fully stirring the weighed aluminum-silicon-copper powder and aluminum brazing filler metal powder in a double-planet stirrer to obtain mixed powder with the aluminum-silicon-copper powder content of 75%.
3. The aluminum-silicon brazing filler metal with the components of 11.0-13.0 percent of silicon and the balance of aluminum is obtained into the aluminum-silicon brazing filler metal strip with the thickness of 0.20mm and the width of 10.0mm by smelting, extruding, rolling and slitting.
4. The tubular flux-cored wire is prepared by a steel belt method, an aluminum-silicon brazing filler metal strip is placed into a welding wire forming machine, sequentially passes through each roller, is finally rolled into the tubular welding wire and is collected into a winding machine.
5. And (3) in the welding wire forming process, adding the mixed powder obtained in the step (2) through a powder adding device, controlling the adding weight of the mixed powder to be about 80% of the total weight of the welding wire, and rolling to obtain the flexible tubular flux-cored welding wire with the diameter phi of 3.2mm, wherein the aluminum-silicon-copper powder in the welding wire accounts for 60%, the aluminum-silicon brazing filler metal sheath accounts for 20%, and the aluminum brazing filler metal powder accounts for 20%.
6. By the drawing and reducing method, the flexible welding wire can be drawn to the required size of phi 3.0mm and smaller by a drawing machine.
Example 2
1. The aluminum-silicon-copper brazing filler metal with the components of 26.0 to 27.0 percent of copper, 4.5 to 5.5 percent of silicon and the balance of aluminum is prepared into aluminum-silicon-copper powder with the granularity of-120 meshes by a vacuum melting and gas atomization method.
2. Weighing the aluminum-silicon-copper powder and the aluminum brazing filler metal powder according to the weight ratio of 2:1, and fully stirring the weighed materials in a double-planet stirrer to obtain mixed powder with the aluminum-silicon-copper powder content of 67%.
3. The aluminum-silicon brazing filler metal with the components of 11.0-13.0 percent of silicon and the balance of aluminum is obtained into the aluminum-silicon brazing filler metal strip with the thickness of 0.25mm and the width of 6.5mm by smelting, extruding, rolling and slitting methods.
4. The tubular flux-cored wire is prepared by a steel belt method, an aluminum-silicon brazing filler metal strip is placed into a welding wire forming machine, sequentially passes through each roller, is finally rolled into the tubular welding wire and is collected into a winding machine.
5. And (3) in the welding wire forming process, adding the mixed powder obtained in the step (2) through a powder adding device, controlling the adding weight of the mixed powder to be about 60% of the total weight of the welding wire, and rolling to obtain the flexible tubular flux-cored welding wire with the diameter phi of 2.2mm, wherein the aluminum-silicon-copper powder accounts for 40%, the aluminum-silicon brazing filler metal sheath accounts for 40%, and the aluminum brazing filler metal powder accounts for 20%.
6. By the drawing and reducing method, the flexible welding wire can be drawn to the required size of phi 2.0mm and smaller by a drawing machine.
Embodiment 3
1. The aluminum-silicon-copper brazing filler metal with the components of 26.0 to 27.0 percent of copper, 4.5 to 5.5 percent of silicon and the balance of aluminum is prepared into aluminum-silicon-copper powder with the granularity of-120 meshes by a vacuum melting and gas atomization method.
2. The aluminum-silicon brazing filler metal with the components of 11.0-13.0 percent of silicon and the balance of aluminum is obtained into the aluminum-silicon brazing filler metal strip with the thickness of 0.35mm and the width of 10.0mm by smelting, extruding, rolling and slitting methods.
3. The tubular flux-cored wire is prepared by a steel belt method, an aluminum-silicon brazing filler metal strip is placed into a welding wire forming machine, sequentially passes through each roller, is finally rolled into the tubular welding wire and is collected into a winding machine.
4. In the welding wire forming process, aluminum-silicon-copper powder is independently added through one powder feeder, aluminum-brazing flux powder is independently added through the other powder feeder, the adding weight of the aluminum-silicon-copper powder and the adding weight of the aluminum-brazing flux powder are controlled to be respectively 40% and 20% of the total weight of the welding wire, the flexible tubular flux-cored welding wire with the diameter of phi 3.2mm is obtained through rolling, the aluminum-silicon-copper powder in the welding wire accounts for 40%, the aluminum-silicon brazing filler metal sheath accounts for 40%, and the aluminum-brazing flux powder accounts for 20%.
5. By the drawing and reducing method, the flexible welding wire can be drawn to the required size of phi 3.0mm and smaller by a drawing machine.
The forming method solves the problems that the aluminum-silicon-copper brazing filler metal has poor processability and the brazing filler metal is difficult to process into a disc-shaped welding wire or a welding ring, and can realize continuous automatic and efficient welding. The aluminum-silicon-copper flexible welding wire produced by the forming method can be directly used for welding a copper-aluminum component without adding an aluminum brazing flux, a welding joint has good corrosion resistance, long service life and good processability, can be processed into a disc-shaped welding wire or a welding ring, and can realize continuous automatic welding; the brazing performance of the welding wire can be adjusted by adjusting the proportion of the aluminum-silicon-copper powder to the aluminum brazing flux powder in the aluminum-silicon alloy sheath and the mixed powder, and the method is simple and convenient, low in cost and high in efficiency.
The above description is only the preferred embodiment of the present invention, and the novel flexible welding wire can also be produced by using a steel tube method, a coiling method, etc., and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (8)
1. A preparation method of a flexible welding wire of a brittle aluminum-silicon-copper brazing filler metal is characterized in that the flexible welding wire is processed by wrapping a mixed powder by a flexible material aluminum-silicon alloy sheath, and the mixed powder is formed by mixing a brittle material aluminum-silicon-copper powder and an aluminum brazing flux powder.
2. The method for preparing the flexible welding wire of the brittle aluminum-silicon-copper brazing filler metal according to claim 1, wherein the brittle aluminum-silicon-copper powder comprises 15% to 30% of copper, 3% to 7% of silicon, 0% to 3% of nickel and the balance of aluminum.
3. The method of claim 1, wherein the aluminum flux powder comprises potassium fluoroaluminate powder and cesium fluoroaluminate powder.
4. The method for preparing the flexible welding wire of the brittle aluminum-silicon-copper brazing filler metal according to claim 1, wherein the mixed powder is formed by fully mixing 10-100% by weight of brittle aluminum-silicon-copper powder and 0-90% by weight of aluminum brazing filler metal powder.
5. The method for preparing the flexible welding wire of the brittle aluminum-silicon-copper brazing filler metal according to claim 1, wherein the flexible material aluminum-silicon alloy sheath comprises 4.5% to 13.0% of silicon, 5.0% to copper, 2.0% to magnesium, 3.0% to zinc, 0.8% to iron, 0.15% to manganese, 0.2% to titanium, 0.15% to chromium, 0.2% to bismuth and the balance aluminum.
6. The method for preparing the flexible welding wire of the brittle aluminum-silicon-copper brazing filler metal according to claim 1, wherein the content of the aluminum-silicon alloy sheath ranges from 20% to 80%, and the content of the mixed powder ranges from 20% to 80%.
7. The method for preparing the flexible welding wire of the brittle aluminum-silicon-copper solder according to claim 4, wherein the method comprises the following steps:
(1) preparing aluminum-silicon-copper powder from 15-30% of copper, 3-7% of silicon, 0-3% of nickel and the balance of aluminum by a vacuum melting and gas atomization method;
(2) mixing aluminum-silicon-copper powder and aluminum brazing filler metal powder according to a weight ratio, and then putting the mixture into a double-planet stirrer for fully stirring to obtain mixed powder;
(3) the aluminum-silicon brazing filler metal is subjected to smelting, extruding, rolling and slitting to obtain an aluminum-silicon brazing filler metal strip;
(4) putting the aluminum-silicon brazing filler metal strip into a welding wire forming machine, sequentially passing through each roller, finally rolling into a tubular welding wire and taking the tubular welding wire into a winding machine;
(5) in the welding wire forming process, adding the mixed powder obtained in the step (2) through a powder adding device, and rolling to obtain a flexible tubular flux-cored wire;
(6) the flexible welding wire can be drawn to different sizes by a drawing and reducing method through a wire drawing machine.
8. The use of brittle Al-Si-Cu brazing filler metal is characterized in that the brazing performance of the welding wire is adjusted by adjusting the ratio of Al-Si-Cu powder to aluminum brazing filler metal powder in an Al-Si alloy sheath and mixed powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134153.0A CN111299897A (en) | 2020-03-02 | 2020-03-02 | Preparation method of flexible welding wire of brittle aluminum-silicon-copper brazing filler metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010134153.0A CN111299897A (en) | 2020-03-02 | 2020-03-02 | Preparation method of flexible welding wire of brittle aluminum-silicon-copper brazing filler metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111299897A true CN111299897A (en) | 2020-06-19 |
Family
ID=71154933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010134153.0A Pending CN111299897A (en) | 2020-03-02 | 2020-03-02 | Preparation method of flexible welding wire of brittle aluminum-silicon-copper brazing filler metal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111299897A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547517A (en) * | 1991-12-27 | 1996-08-20 | Showa Aluminum Corporation | Brazing agent and a brazing sheet both comprising an aluminum alloy containing a flux |
| JP2006150442A (en) * | 2004-11-02 | 2006-06-15 | Nippon Light Metal Co Ltd | Aluminum alloy brazing wire, and brazing method of aluminum alloy casting, and brazed liquid-cooled part |
| CN101323065A (en) * | 2008-07-08 | 2008-12-17 | 郑州机械研究所 | Self-fluxing aluminum solder and method for preparing the same |
| CN102764938A (en) * | 2012-07-18 | 2012-11-07 | 熊进 | Aluminum soldering paste |
| CN103480988A (en) * | 2013-09-26 | 2014-01-01 | 郑州机械研究所 | High tin and silver base welding rod and preparation method thereof |
| CN103521943A (en) * | 2013-10-31 | 2014-01-22 | 北京有色金属与稀土应用研究所 | Brazing aluminum silicon copper alloy seamless flux-cored wire and preparation and application thereof |
| CN108213768A (en) * | 2018-01-08 | 2018-06-29 | 浙江亚通焊材有限公司 | A kind of novel almit flux-cored wire |
-
2020
- 2020-03-02 CN CN202010134153.0A patent/CN111299897A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5547517A (en) * | 1991-12-27 | 1996-08-20 | Showa Aluminum Corporation | Brazing agent and a brazing sheet both comprising an aluminum alloy containing a flux |
| JP2006150442A (en) * | 2004-11-02 | 2006-06-15 | Nippon Light Metal Co Ltd | Aluminum alloy brazing wire, and brazing method of aluminum alloy casting, and brazed liquid-cooled part |
| CN101323065A (en) * | 2008-07-08 | 2008-12-17 | 郑州机械研究所 | Self-fluxing aluminum solder and method for preparing the same |
| CN102764938A (en) * | 2012-07-18 | 2012-11-07 | 熊进 | Aluminum soldering paste |
| CN103480988A (en) * | 2013-09-26 | 2014-01-01 | 郑州机械研究所 | High tin and silver base welding rod and preparation method thereof |
| CN103521943A (en) * | 2013-10-31 | 2014-01-22 | 北京有色金属与稀土应用研究所 | Brazing aluminum silicon copper alloy seamless flux-cored wire and preparation and application thereof |
| CN108213768A (en) * | 2018-01-08 | 2018-06-29 | 浙江亚通焊材有限公司 | A kind of novel almit flux-cored wire |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108161277B (en) | High-entropy flux-cored wire for aluminum-steel submerged arc welding and preparation method thereof | |
| CN107877035B (en) | Stainless steel flux-cored wire and production method thereof | |
| CN108136548B (en) | Brazing alloy | |
| JP2010500178A5 (en) | ||
| CN104263995B (en) | A kind of kamash alloy line | |
| CN112975203B (en) | Al-Si-Cu-Ni brazing filler metal for connecting Cu/Al joint and preparation method thereof | |
| WO2011053506A1 (en) | Low silver, low nickel brazing material | |
| CN101269446A (en) | Sn-Zn-Ga-Ce leadless brazing filler metal | |
| CN113814606B (en) | Ni-Cr-Al-Ti-Co welding wire, method and groove form | |
| CN113579555A (en) | Zinc-aluminum flux-cored brazing filler metal for copper-aluminum brazing and preparation method thereof | |
| CN100496864C (en) | Cadmium-free silver solder containing gallium, indium, and rare earth neodymium and cerium | |
| CN103551757A (en) | Aluminum-silicon alloy seamless flux-cored wire for brazing as well as preparation and application | |
| CN103521943A (en) | Brazing aluminum silicon copper alloy seamless flux-cored wire and preparation and application thereof | |
| CN103243234B (en) | A kind of Electronic Packaging soldering serial low silver leadless solder and preparation method thereof | |
| JP5614883B2 (en) | Fluxless brazing method of aluminum material, aluminum alloy brazing sheet for fluxless brazing, and aluminum alloy brazing material for fluxless brazing | |
| CN112621015A (en) | Flux-cored aluminum brazing filler metal and preparation method thereof | |
| CN111299897A (en) | Preparation method of flexible welding wire of brittle aluminum-silicon-copper brazing filler metal | |
| CN102886624B (en) | Novel low-melting-point copper-manganese-zinc brazing filler | |
| CN115008065B (en) | Flux-cored wire for high entropy of titanium-steel weld joint and preparation method thereof | |
| CN112427833B (en) | Manganese-based flux-cored solder and preparation method and application thereof | |
| TWI745631B (en) | Silver brazing material and joining method using the silver brazing material | |
| CN102862001B (en) | Sn-Ag-Cu lead-free solder containing Nd, Te and Ga | |
| CN103084749A (en) | Lead-free solder with high service life | |
| CN102896436A (en) | Sn-Ag-Cu lead-free solder containing Nd, Se and Ga | |
| CN102848100A (en) | Low-silver Sn-Ag-Cu lead-free brazing filler metal containing Nd and Ga |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211229 Address after: 310000 No. 372, Jinpeng street, Sandun Industrial Park, Xihu District, Hangzhou City, Zhejiang Province Applicant after: ZHEJIANG ASIA GENERAL SOLDERING & BRAZING MATERIAL Co.,Ltd. Address before: 310030 No.372, Jinpeng street, Sandun Industrial Park, Xihu District, Hangzhou City, Zhejiang Province Applicant before: ZHEJIANG ASIA GENERAL SOLDERING & BRAZING MATERIAL Co.,Ltd. Applicant before: Zhejiang Metallurgical Research Institute Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200619 |
|
| RJ01 | Rejection of invention patent application after publication |