CN112620896A - Aluminum steel dissimilar metal inlay welding method - Google Patents
Aluminum steel dissimilar metal inlay welding method Download PDFInfo
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- CN112620896A CN112620896A CN202011610274.4A CN202011610274A CN112620896A CN 112620896 A CN112620896 A CN 112620896A CN 202011610274 A CN202011610274 A CN 202011610274A CN 112620896 A CN112620896 A CN 112620896A
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- steel
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- dissimilar metal
- welding
- aluminum alloy
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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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
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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
- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
- B23K33/004—Filling of continuous seams
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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
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
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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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
- B23K2103/20—Ferrous alloys and aluminium or alloys thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Arc Welding In General (AREA)
Abstract
The invention relates to the technical field of dissimilar metal welding, in particular to an aluminum-steel dissimilar metal inlaying and welding method. Inlay groove and mosaic block on steel and the aluminum alloy and all be the trapezoidal form, and inlay four angles of groove and mosaic block and all be the fillet. The ratio of the width of the embedding groove of the aluminum alloy to the width of the embedding block is equal to the ratio of the yield strength of the aluminum alloy to the yield strength of steel. According to the invention, the aluminum-steel dissimilar metal is welded in a cross-occluded joint form, the welding process difficulty of the aluminum-steel dissimilar metal joint is reduced, the aluminum-steel matrixes have embedded occluding force, the aluminum-steel matrixes can bear the action of tensile stress, and the welded seam and the mechanical occluding force bear the external tensile stress together after welding, so that the capacity of bearing the tensile stress of the joint is improved, and the mechanical performance of the joint is improved.
Description
Technical Field
The invention relates to the technical field of dissimilar metal welding, in particular to an aluminum steel dissimilar metal inlay welding method.
Background
At present, steel and aluminum alloy are widely applied to the industries of engineering machinery, automobiles, aerospace and the like, and the welding of the steel and the aluminum alloy is required to be realized in a plurality of application working conditions. In the existing aluminum steel welding process, lap joint or butt joint arc welding is mostly adopted, for example, a CMT welding method, an intermetallic compound is easily formed on the interface of the two, the thickness of the intermetallic compound is extremely difficult to control, and the mechanical property of a joint is obviously restricted. Aluminum steel welding becomes a key problem that restricts the development of many industries.
Disclosure of Invention
In order to solve the problems, the invention provides an aluminum steel dissimilar metal inlay welding method.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for inlaying and welding dissimilar metals of aluminum and steel comprises the steps of finishing cutting treatment of joint positions of steel and aluminum alloy before welding, enabling the joint positions of the steel and the aluminum alloy to form an inlaid structure, and then welding along inlaid seams.
Further, inlay groove and mosaic block on steel and the aluminum alloy and all be the trapezoidal form, and inlay four angles of groove and mosaic block and all be the fillet.
Further, the ratio of the length of the short side of the mosaic groove of the aluminum alloy to the length of the short side of the mosaic block is equal to the ratio of the yield strength of the aluminum alloy to the yield strength of the steel.
According to the scheme, the aluminum steel dissimilar metal is welded in the cross-occluded joint form, the welding process difficulty of the aluminum steel dissimilar metal joint is reduced, the aluminum steel base bodies have embedded occlusion force, the aluminum steel base bodies can bear the tensile stress, and after welding, the welding seam and the mechanical occlusion force bear the external tensile stress together, so that the capacity of bearing the tensile stress of the joint is improved, and the mechanical performance of the joint is improved.
Drawings
FIG. 1 is a schematic view of an inlaid structure of joint positions of steel and aluminum alloy in an aluminum-steel dissimilar metal inlaying welding method of the invention;
in the figure: 1-steel material; 2-aluminum alloy; 3-embedding a groove; 4-mosaic blocks.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The steel material is Q235, the aluminum alloy is 6061-T6, the thicknesses of the steel material and the aluminum material are both 3mm, and the nesting mode of the steel material and the aluminum material is shown in figure 1. The length AB of the short side of the mosaic slot of the aluminium alloy is 20mm, the length CD of the short side of the mosaic block is 40mm, the angle alpha in the figure is 80 degrees, and all round corners are R =2 mm. Adopting a CMT welder of Funices company for welding, wherein the model of the welder is TransPuls synergy 3200, the welding voltage is 20V-23V, the welding current is 90-95A, the welding speed is 0.5m/min, and the model of a welding wire is as follows: the aluminum-silicon welding wire ER4043 has the diameter phi of 1.2mm, the wire feeding speed of 1.2m/min and the argon protection and the flow of 15L/min. After welding, a tensile test is carried out, and the aluminum alloy base material is firstly broken and has the strength of 127 MPa. And (3) adopting the same process parameters and parent metal models, adopting butt welding, performing a tensile experiment after welding, and breaking from an aluminum steel interface, wherein the tensile strength is 72 Mpa.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (3)
1. An aluminum steel dissimilar metal inlay welding method is characterized in that: before welding, cutting treatment of joint positions of the steel and the aluminum alloy is completed, so that the joint positions of the steel and the aluminum alloy form an embedded structure, and then welding is performed along the embedded joint.
2. An aluminum-steel dissimilar metal insert welding method according to claim 1, characterized in that: inlay groove and mosaic block on steel and the aluminum alloy and all be the trapezoidal form, and inlay four angles of groove and mosaic block and all be the fillet.
3. An aluminum-steel dissimilar metal insert welding method according to claim 1, characterized in that: the ratio of the length of the short edge of the mosaic groove of the aluminum alloy to the length of the short edge of the mosaic block is equal to the ratio of the yield strength of the aluminum alloy to the yield strength of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610274.4A CN112620896A (en) | 2020-12-30 | 2020-12-30 | Aluminum steel dissimilar metal inlay welding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011610274.4A CN112620896A (en) | 2020-12-30 | 2020-12-30 | Aluminum steel dissimilar metal inlay welding method |
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| Publication Number | Publication Date |
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| CN112620896A true CN112620896A (en) | 2021-04-09 |
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| CN202011610274.4A Pending CN112620896A (en) | 2020-12-30 | 2020-12-30 | Aluminum steel dissimilar metal inlay welding method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118599A (en) * | 2021-04-23 | 2021-07-16 | 东北大学 | Method for improving strength of steel-aluminum dissimilar welding joint by double combination of mechanical metallurgy |
| CN113477710A (en) * | 2021-07-15 | 2021-10-08 | 中冶赛迪工程技术股份有限公司 | Connecting method and device for hot-rolled strip steel endless rolling intermediate billet |
| CN113547214A (en) * | 2021-08-10 | 2021-10-26 | 湖南汽车工程职业学院 | New energy automobile lightweight aluminum alloy laser welding process |
| WO2023005025A1 (en) * | 2021-07-30 | 2023-02-02 | 江苏徐工工程机械研究院有限公司 | Engaging structure for use in plate welding, and welding device and method without welding spot alignment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334168A (en) * | 2000-07-19 | 2002-02-06 | 中国科学院金属研究所 | Method for making hetero-metal joint |
| CN103231203A (en) * | 2013-05-11 | 2013-08-07 | 哈尔滨工业大学（威海） | Connecting method for aluminum-steel dissimilar materials |
| CN104741772A (en) * | 2013-12-27 | 2015-07-01 | 北京有色金属研究总院 | Welding method for connecting stainless steel with aluminum alloy |
| CN105965150A (en) * | 2016-06-07 | 2016-09-28 | 中国船舶重工集团公司第七二五研究所 | Friction stir welding method for different metal plates |
| CN108817647A (en) * | 2018-07-11 | 2018-11-16 | 南昌航空大学 | A kind of titanium-steel dissimilar metal structure and preparation method thereof |
| US20190126561A1 (en) * | 2017-10-26 | 2019-05-02 | Battelle Memorial Institute | Friction stirring interlocking of dissimilar materials |
| CN209126182U (en) * | 2018-08-22 | 2019-07-19 | 厦门建霖健康家居股份有限公司 | A kind of auxiliary ultrasonic welded structure |
| CN209632339U (en) * | 2019-02-12 | 2019-11-15 | 南昌矿山机械有限公司 | A kind of welding structure of walking beam |
-
2020
- 2020-12-30 CN CN202011610274.4A patent/CN112620896A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334168A (en) * | 2000-07-19 | 2002-02-06 | 中国科学院金属研究所 | Method for making hetero-metal joint |
| CN103231203A (en) * | 2013-05-11 | 2013-08-07 | 哈尔滨工业大学（威海） | Connecting method for aluminum-steel dissimilar materials |
| CN104741772A (en) * | 2013-12-27 | 2015-07-01 | 北京有色金属研究总院 | Welding method for connecting stainless steel with aluminum alloy |
| CN105965150A (en) * | 2016-06-07 | 2016-09-28 | 中国船舶重工集团公司第七二五研究所 | Friction stir welding method for different metal plates |
| US20190126561A1 (en) * | 2017-10-26 | 2019-05-02 | Battelle Memorial Institute | Friction stirring interlocking of dissimilar materials |
| CN108817647A (en) * | 2018-07-11 | 2018-11-16 | 南昌航空大学 | A kind of titanium-steel dissimilar metal structure and preparation method thereof |
| CN209126182U (en) * | 2018-08-22 | 2019-07-19 | 厦门建霖健康家居股份有限公司 | A kind of auxiliary ultrasonic welded structure |
| CN209632339U (en) * | 2019-02-12 | 2019-11-15 | 南昌矿山机械有限公司 | A kind of welding structure of walking beam |
Non-Patent Citations (1)
| Title |
|---|
| 张忠科等: "新型铝钢搅拌摩擦焊对接工艺分析", 《轻合金加工技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118599A (en) * | 2021-04-23 | 2021-07-16 | 东北大学 | Method for improving strength of steel-aluminum dissimilar welding joint by double combination of mechanical metallurgy |
| CN113477710A (en) * | 2021-07-15 | 2021-10-08 | 中冶赛迪工程技术股份有限公司 | Connecting method and device for hot-rolled strip steel endless rolling intermediate billet |
| WO2023005025A1 (en) * | 2021-07-30 | 2023-02-02 | 江苏徐工工程机械研究院有限公司 | Engaging structure for use in plate welding, and welding device and method without welding spot alignment |
| CN113547214A (en) * | 2021-08-10 | 2021-10-26 | 湖南汽车工程职业学院 | New energy automobile lightweight aluminum alloy laser welding process |
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Application publication date: 20210409 |
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