CN111299902B - High-corrosion-resistance aluminum bronze welding wire for gas metal arc welding - Google Patents
High-corrosion-resistance aluminum bronze welding wire for gas metal arc welding Download PDFInfo
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- CN111299902B CN111299902B CN201911328256.4A CN201911328256A CN111299902B CN 111299902 B CN111299902 B CN 111299902B CN 201911328256 A CN201911328256 A CN 201911328256A CN 111299902 B CN111299902 B CN 111299902B
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- Prior art keywords
- corrosion
- aluminum bronze
- welding wire
- resistance aluminum
- surfacing layer
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Classifications
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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
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu 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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
Abstract
The invention relates to a high-corrosion-resistance aluminum bronze welding wire for gas metal arc welding, which can effectively solve the problems of poor bonding force between a copper layer and a substrate, low hardness, certain void ratio and limited service life improvement in the prior art, and adopts the technical scheme that the high-corrosion-resistance aluminum bronze welding wire comprises the following components in percentage by mass: mn: 9.5-10.5%, Ni: 4.3-5.5%, Al: 6.0-7.0%, Fe: 2.5-3.5%, Si: 0.2-0.4%, impurity elements: the dilution rate of a surfacing layer manufactured by the high-corrosion-resistance aluminum bronze welding wire is not higher than 5%, the hardness range of the surfacing layer is 190-210 HB, the tensile strength is higher than 550MPa, the fracture elongation is higher than 15%, the corrosion resistance of the surfacing layer is extremely excellent, the surfacing layer does not change color in air after being placed for a long time, and the surfacing layer does not rust under the condition of a salt spray test.
Description
Technical Field
The invention relates to the field of non-ferrous metal materials, in particular to a high-corrosion-resistance aluminum bronze welding wire for gas metal arc welding.
Background
The hydraulic system is an important power and action transmission system and is widely used in various industries such as machinery, coal and the like. The hydraulic oil cylinder is an important executing element of a hydraulic system, the service life of the hydraulic oil cylinder is decisively influenced by the service life of the hydraulic system, and the corrosion resistance of the hydraulic oil cylinder is critically influenced by the service life of the hydraulic oil cylinder. The material of the hydraulic oil cylinder is widely carbon alloy steel, the hydraulic medium is usually oil, emulsion, water and the like, and the medium can cause corrosion of the carbon alloy steel to different degrees. In the traditional process, the inner wall of the carbon alloy steel hydraulic oil cylinder is not subjected to special anticorrosive treatment, so that the corrosion resistance and the service life of the carbon alloy steel hydraulic oil cylinder are not ideal. In the coal mine industry, the oil cylinder of the hydraulic support is partially plated with copper, but the bonding force between a copper plating layer and a base material is poor, the hardness is low, a certain porosity exists, the service life of the hydraulic support is limited, and due to the good corrosion resistance and the machining performance of the copper alloy, the application scale of the copper alloy deposited on the inner wall of the hydraulic cylinder is gradually increased in recent years, and the advantages are gradually prominent, so that the research and development of the high-corrosion-resistance aluminum bronze welding wire has positive significance, and the service life of the hydraulic cylinder can be further prolonged.
Disclosure of Invention
In view of the above situation, the present invention provides a high corrosion resistance aluminum bronze welding wire for gas metal arc welding, which can effectively solve the problems of poor bonding force between the copper layer and the substrate, low hardness, certain porosity and limited service life.
The technical scheme of the invention is that the high-corrosion-resistance aluminum bronze welding wire comprises the following components in percentage by mass: mn: 9.5-10.5%, Ni: 4.3-5.5%, Al: 6.0-7.0%, Fe: 2.5-3.5%, Si: 0.2-0.4%, impurity elements: less than or equal to 0.4 percent, and the balance being Cu.
When the dilution rate of a surfacing layer manufactured by the high-corrosion-resistance aluminum bronze welding wire is not higher than 5%, the hardness range of the surfacing layer is 190-210 HB, the tensile strength is higher than 550MPa, the fracture elongation is higher than 15%, the corrosion resistance is extremely excellent, the surfacing layer does not change color when being placed in the air for a long time, and the surfacing layer does not rust under the condition of a salt spray test.
Detailed Description
The following examples further illustrate the embodiments of the present invention in detail.
Example 1
The high-corrosion-resistance aluminum bronze welding wire with the diameter of 1.2mm is prepared by the conventional procedures of material preparation, smelting, horizontal continuous casting, peeling, drawing, annealing and the like, and the aluminum bronze welding wire comprises the following elements in percentage by mass:
mn: 9.81%, Ni: 4.93%, Al: 6.67%, Fe: 3.10%, Si: 0.27%, impurity elements: 0.13% and the balance of Cu.
Example 2
The high-corrosion-resistance aluminum bronze welding wire comprises the following components in percentage by mass: mn: 10.1%, Ni: 4.8%, Al: 6.9%, Fe: 3.2%, Si: 0.3%, impurity elements: 0.2% and the balance of Cu.
The high-corrosion-resistance aluminum bronze welding wire prepared in the embodiment 1 of the invention is overlaid on the surface of a 27SiMn steel plate by using a pulse gas shielded welding machine, the welding current is 155-160A, the welding voltage is 15-16V, and the flow of shielding gas (Ar) is 17L/min. No preheating before welding, natural air cooling after welding, use portable XRF analysis appearance to detect the surfacing layer composition, it is as to record each element mass fraction: mn: 9.75%, Ni: 4.82%, Al: 6.49%, Fe: 3.51, Cu: 75.09%, Si: 0.25 percent; the average hardness of the surface layer of the overlaying layer is 202.4HB measured by a table Brinell hardness tester; according to GB/T228.1-2010 metal material tensile test, the tensile strength of the surfacing layer is 602MPa, and the elongation at break is 21%; and (3) carrying out a neutral salt spray test according to GB/T10125-2012 salt spray test for artificial atmosphere corrosion test, wherein the test period is 200 hours, and after the test is finished, the color of the tested surface is not changed and no verdigris is generated.
The high-corrosion-resistance aluminum bronze welding wire shows excellent mechanical performance and excellent corrosion resistance in practical tests, and after repeated experiments, the same or similar results are obtained, so that the high-corrosion-resistance aluminum bronze welding wire is an innovation on the high-corrosion-resistance aluminum bronze welding wire and has good economic and social benefits.
Claims (3)
1. A high-corrosion-resistance aluminum bronze welding wire for gas metal arc welding is characterized by comprising the following components in percentage by mass: mn: 9.5-10.5%, Ni: 4.3-5.5%, Al: 6.0-7.0%, Fe: 2.5-3.5%, Si: 0.2-0.4%, impurity elements: less than or equal to 0.4 percent, and the balance being Cu.
2. The high corrosion resistance aluminum bronze welding wire for gas metal arc welding according to claim 1, wherein the mass percentages of the elements are as follows: mn: 9.81%, Ni: 4.93%, Al: 6.67%, Fe: 3.10%, Si: 0.27%, impurity elements: 0.13% and the balance of Cu.
3. The high corrosion resistance aluminum bronze welding wire for gas metal arc welding according to claim 1, wherein the mass percentages of the elements are as follows: mn: 10.1%, Ni: 4.8%, Al: 6.9%, Fe: 3.2%, Si: 0.3%, impurity elements: 0.2% and the balance of Cu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328256.4A CN111299902B (en) | 2019-12-20 | 2019-12-20 | High-corrosion-resistance aluminum bronze welding wire for gas metal arc welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328256.4A CN111299902B (en) | 2019-12-20 | 2019-12-20 | High-corrosion-resistance aluminum bronze welding wire for gas metal arc welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111299902A CN111299902A (en) | 2020-06-19 |
| CN111299902B true CN111299902B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911328256.4A Active CN111299902B (en) | 2019-12-20 | 2019-12-20 | High-corrosion-resistance aluminum bronze welding wire for gas metal arc welding |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210813B (en) * | 2021-04-22 | 2022-05-10 | 杭州浙富核电设备有限公司 | Welding method of nickel-aluminum-bronze workpiece |
| CN113664410A (en) * | 2021-08-24 | 2021-11-19 | 江苏亨通电力特种导线有限公司 | Novel copper alloy deposited material and preparation method thereof |
| CN115537596B (en) * | 2022-10-13 | 2023-03-14 | 郑州航空港区速达工业机械服务有限公司 | High-hardness corrosion-resistant nickel-aluminum bronze welding wire, preparation method thereof and application thereof in alloy cladding |
Citations (6)
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|---|---|---|---|---|
| FR2029330A5 (en) * | 1969-01-24 | 1970-10-16 | Hitachi Shipbuilding | High strength aluminium bronze |
| CN1046866A (en) * | 1989-04-27 | 1990-11-14 | 英科合金国际有限公司 | A kind of solder flux and welding rod |
| CN1336969A (en) * | 1999-01-13 | 2002-02-20 | 曼B与W狄赛尔公司 | Method for producing a protective covering, and an engine with at least one component provided with a protective covering |
| CN102470491A (en) * | 2009-07-08 | 2012-05-23 | 贝尔肯霍夫有限公司 | Auxiliary material for soldering sheets |
| CN103056497A (en) * | 2012-05-08 | 2013-04-24 | 武汉重冶重工科技有限公司 | High-manganese aluminum bronze automatic submerged arc welding surfacing method |
| CN109514128A (en) * | 2019-01-10 | 2019-03-26 | 新利得（天津）焊接材料有限公司 | A kind of formula and processing technology of complexity Mn-Al-Ni bronze welding wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1382201A (en) * | 1971-03-03 | 1975-01-29 | Olin Corp | Copper alloy |
| AT345626B (en) * | 1977-02-09 | 1978-09-25 | Sixt Dipl Ing Benno | COPPER-MANGANE WELDING MATERIAL FOR ARC WELDING |
| JP2005199278A (en) * | 2004-01-13 | 2005-07-28 | Sanyo Special Steel Co Ltd | Overlaying copper alloy powder excellent in cladding and wear resistance |
| JP5729276B2 (en) * | 2010-12-08 | 2015-06-03 | 株式会社豊田中央研究所 | Copper brazing filler metal |
| CN104923963B (en) * | 2015-06-19 | 2017-10-03 | 贵州凯宏汇达冷却系统有限公司 | A kind of gas shield welding wire and its production method |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2029330A5 (en) * | 1969-01-24 | 1970-10-16 | Hitachi Shipbuilding | High strength aluminium bronze |
| CN1046866A (en) * | 1989-04-27 | 1990-11-14 | 英科合金国际有限公司 | A kind of solder flux and welding rod |
| CN1336969A (en) * | 1999-01-13 | 2002-02-20 | 曼B与W狄赛尔公司 | Method for producing a protective covering, and an engine with at least one component provided with a protective covering |
| CN102470491A (en) * | 2009-07-08 | 2012-05-23 | 贝尔肯霍夫有限公司 | Auxiliary material for soldering sheets |
| CN103056497A (en) * | 2012-05-08 | 2013-04-24 | 武汉重冶重工科技有限公司 | High-manganese aluminum bronze automatic submerged arc welding surfacing method |
| CN109514128A (en) * | 2019-01-10 | 2019-03-26 | 新利得（天津）焊接材料有限公司 | A kind of formula and processing technology of complexity Mn-Al-Ni bronze welding wire |
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| CN111299902A (en) | 2020-06-19 |
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