CN105772992A - Novel aluminum alloy welding wire preparation method - Google Patents
Novel aluminum alloy welding wire preparation method Download PDFInfo
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- CN105772992A CN105772992A CN201610155957.2A CN201610155957A CN105772992A CN 105772992 A CN105772992 A CN 105772992A CN 201610155957 A CN201610155957 A CN 201610155957A CN 105772992 A CN105772992 A CN 105772992A
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- welding wire
- aluminum alloy
- alloy welding
- novel aluminum
- wire preparation
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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
- B23K35/40—Making wire or rods for soldering or welding
-
- 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
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
Abstract
The invention discloses a novel aluminum alloy welding wire preparation method. The method comprises the following steps: cold-rolling; drawing; oxide skin removal treatment; on-line surface mechanical grinding treatment; finished-product water tank drawing; ultrasonic wave cleaning; drying; and winding. In the oxide skin removal treatment step, the removal thickness is below 0.05mm. In the on-line surface mechanical grinding treatment step, the diameter of a projectile is 1mm-15mm, the impact speed is 1m/s-20m/s, the impact frequency is 50Hz-22KHz, the action time is 20-120 min, the material of the projectile is stainless steel, or GCr15, or glass or ceramic, and the on-line surface mechanical grinding treatment is carried out in vacuum, or in argon, or in nitrogen or in ammonia; 4-11 molds are adopted in the finished-product water tank drawing step. Oxide skin can be effectively removed, the material loss is reduced, the rate of finished products is increased, the surface roughness and the wear resistance of a welding wire are effectively increased, and the problem of poor surface wearability of current domestic aluminum alloy welding wires is solved.
Description
Technical field
The invention belongs to aluminium alloy technology, particularly to a kind of novel aluminum alloy welding wire preparation method.
Background technology
The defects such as the aluminium alloy welding wire ubiquity welding wire surface hardness of current domestic production is low, wear no resistance, fatigue resistance is poor.In use owing to welding wire surface hardness is low, in welding process wire feed apart from generally individually below 3 meters, it is impossible to realize remote, climb to a higher point and snakelike wire feed.Owing to welding wire surface wears no resistance, welding wire silk in process of production and wire connection are touched, silk contacts with equipment that all to easily cause welding wire surface fretting wear injured, cause that the phenomenon that white stubble, color and luster are uneven occurs in welding wire surface, in welding process during wire feed, welding wire surface and wall friction in wire leading pipe are easily formed bits blocking rifle mouth.Seam organization and the performance uniformity of the welding of domestic welding wire are poor, and weld seam anti-fatigue performance is poor, serious restriction China domestic welding wire popularization and application in high-end fields such as Aeronautics and Astronautics, weapons and motor-cars, it is impossible to substitute import welding wire.
The impact of welding wire performance has been done substantial amounts of research work by domestic aluminium alloy welding wire manufacturer butt welding filament crystal granule size, think that the tiny performance to improving weld seam of crystal grain of welding wire plays a big part, it is possible to increase weld seam tensile strength, elongation percentage, fatigue resistance, corrosion resistance etc..Notification number is CN103158075A, the patent application that patent name is " a kind of have nanocrystalline aluminium alloy welding wire in top layer and preparation method thereof " discloses a kind of nanocrystalline aluminium alloy welding wire in top layer and preparation method thereof that has, with the shot that diameter is 0.1mm～2mm, aluminium alloy welding wire is carried out shotblasting process, the ball blast time is 10 minutes～2 hours, but it is the process for finished product aluminium alloy welding wire, it does not have PROCESS FOR TREATMENT flow process formerly, its Expected Results is subject to impact and the restriction of working condition, finished product aluminium alloy welding wire can not remove the oxide skin on surface through shotblasting completely after processing, qualified surface smoothness and comprehensive mechanical performance are not reached yet, thus this technology is not still the through engineering approaches hands section of refinement welding wire crystal grain, need innovation and improve.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, it is provided that a kind of novel aluminum alloy welding wire preparation method, by complete technique chain, solves that aluminum alloy welding wire surface hardness is low, wears no resistance, the problem of anti-fatigue performance difference.
Technical solution of the present invention is: a kind of novel aluminum alloy welding wire preparation method, including following operation:
Cold rolling → drawing → descale processes → online surface mechanical attrition treatment → finished product wet drawing → ultrasonic waves for cleaning → drying → layer around；
Described descale treatment process, adopts equipment for grinding to carry out descale process, removes thickness at below 0.05mm, and effective scale removal reduces spillage of material, improves yield rate, avoids the leakage produced in conventional Technology for Scraping to scrape phenomenon simultaneously；
Described online surface mechanical attrition treatment operation, bullet diameter is 1mm～15mm, stroke speed is 1m/s～20m/s, collision frequency is 50Hz～22KHz, action time is 20min～120min, the bullet material used is rustless steel, GCr15, glass or pottery, and the atmosphere of process is vacuum, applying argon gas, inflated with nitrogen or ammoniated gas；After descale process, welding wire is through online surface mechanical attrition treatment, makes welding wire surface form nano-crystalline layers, optimizes the comprehensive mechanical performance of finished product welding wire；
Described finished product water tank drawing procedure, adopts 4～11 road moulds.
Advantages of the present invention and beneficial effect: the present invention adopts grinding process to substitute Technology for Scraping scale removal, remove thickness at below 0.05mm, both can effective scale removal, reduce again spillage of material, improve yield rate, the leakage produced in conventional Technology for Scraping can be avoided simultaneously to scrape phenomenon；Make welding wire surface grain refinement be the random nanocrystalline structure of crystalline orientation by online surface mechanical attrition treatment, welding wire surface fineness and wearability can be effectively improved, solve the problem that current domestic aluminum alloy welding wire surface wears no resistance.After making Nano surface, welding wire has the structure of uniqueness, and its nanostructured surface laye can effectively suppress crack initiation, and the open grain structure in heart portion can stop the extension of crackle, can improve fatigue strength and the life-span of welding wire；Additionally, the weld seam of the welding wire welding of making Nano surface has tissue homogeneity and performance uniformity, the fatigue behaviour of seam organization can be significantly improved, welding wire surface hardness after making Nano surface can improve more than 3 times, the remote wire feed of domestic aluminium alloy welding wire can be realized, solve to perplex the bottleneck problem of domestic aluminium alloy welding wire；The refinement of aluminium alloy welding wire crystal grain, improves the serviceability of welding wire, and the production for barreled wire welding is laid a good foundation, and compensate for the blank of China's barreled aluminium alloy welding wire.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with specific embodiment and experimental data.
By process above, manufacturing the trade mark respectively is 5356, and diameter is φ 1.6mm, φ 1.2mm dish welding equipment silk and the trade mark is 4043, and diameter is φ 2.4mm vertical bar welding wire.
Embodiment 1
1 φ 1.6mm5356 al alloy disk welding equipment filament processing process
φ 9.5mm aluminium alloy wire rod is carried out cold rolling first with cold-rolling mill by 1.1, disposable rolls φ 5.2mm；
1.2 cold rolling after φ 5.2mm aluminium alloy wires is carried out drawing, be drawn to 3.5mm；
1.3 utilize milling drum to carry out descale process；
1.4 descales process after semi-finished product by online surface mechanical attrition treatment device, the bullet material of use is rustless steel, bullet diameter is 8mm, and stroke speed 4m/s, collision frequency 1KHz, action time is 16min, and the atmosphere of process is vacuum；
After 1.5 process, welding wire carries out finished product wet drawing through 7 road polycrystalline diamond moulds；
After 1.6 drawings welding wire through ultrasonic waves for cleaning, drying, layer around.
2 evaluation of result:
The deformation layer of about 150 μm occur through the welding wire top layer of above-mentioned explained hereafter, 30 μm is nano-crystalline layers, and 30 μm～120 μm is submicron layer, and 120 μm～150 μm is transition zone, and surface layer grain obtains notable refinement.Welding wire hardness is brought up to 270HV0.5 by original 125HV0.5.Finished product welding wire macro surface gloss is uniform, has obvious metallic luster, and white stubble phenomenon significantly reduces, and microcosmic surface is fine and close, and fretting wear vestige significantly reduces, and only has slight abrasion mark.
Embodiment 2
1 φ 1.2mm5356 al alloy disk welding equipment filament processing process
φ 9.5mm aluminium alloy wire rod is carried out cold rolling first with cold-rolling mill by 1.1, disposable rolls φ 5.2mm；
1.2 cold rolling after φ 5.2mm aluminium alloy wires is carried out drawing, be drawn to 2.4mm；
1.3 utilize milling drum to carry out descale process；
1.4 descales process after semi-finished product by online surface mechanical attrition treatment device, the bullet material of use is rustless steel, bullet diameter is 6mm, and stroke speed 6m/s, collision frequency 1KHz, action time is 20min, and the atmosphere of process is vacuum；
After 1.5 process, welding wire carries out finished product wet drawing through 7 road polycrystalline diamond moulds；
After 1.6 drawings welding wire through ultrasonic waves for cleaning, drying, layer around.
2 evaluation of result:
The deformation layer of about 170 μm occur through the welding wire top layer of above-mentioned explained hereafter, 30 μm is nano-crystalline layers, and 30 μm～120 μm is submicron layer, and 120 μm～170 μm is transition zone, and surface layer grain obtains notable refinement.Welding wire hardness is brought up to 288HV0.5 by original 118HV0.5.Finished product welding wire macro surface gloss is uniform, has obvious metallic luster, and white stubble phenomenon significantly reduces, and microcosmic surface is fine and close, and fretting wear vestige significantly reduces, and only has slight abrasion mark.
Comparative example 1, and bullet diameter reduces, and speed of action is accelerated, and action time lengthens, and deformation layer thickness thickens relatively, but the thickness of nano-crystalline layers does not have significant change, the finished product welding wire grain refinement of comparative example 1 more tiny, and hardness improves 2.4 times.Finished product welding wire macroscopic view and microcosmic surface are identical with the finished product welding wire of embodiment 1.
Embodiment 3
1 φ 2.4mm4043 aluminium alloy vertical bar welding wire processing technique
φ 9.5mm aluminium alloy wire rod is carried out cold rolling first with cold-rolling mill by 1.1, disposable rolls φ 5.2mm；
1.2 cold rolling after φ 5.2mm aluminium alloy wires is carried out drawing, be drawn to 4.5mm；
1.3 utilize milling drum to carry out descale process；
After 1.4 descales process, semi-finished product pass through online surface mechanical attrition treatment device, and the bullet material of use is 10mm for pottery, bullet diameter, and stroke speed 3m/s, collision frequency 500Hz, action time is 30min, and the atmosphere of process is vacuum；
After 1.5 process, welding wire carries out finished product wet drawing through 5 road polycrystalline diamond moulds；
After 1.6 drawings, welding wire is through ultrasonic waves for cleaning, drying, cut-out.
2 evaluation of result:
The deformation layer of about 140 μm occur through the welding wire top layer of above-mentioned explained hereafter, 20 μm is nano-crystalline layers, and 20 μm～120 μm is submicron layer, and 120 μm～170 μm is transition zone, and surface layer grain obtains notable refinement.Welding wire hardness is brought up to 203HV0.5 by original 98HV0.5.Finished product welding wire macro surface gloss is uniform, has obvious metallic luster, and microcosmic surface is fine and close, and fretting wear vestige significantly reduces, and only has slight abrasion mark.
Comparative example 1 and embodiment 2, according to material behavior, bullet material is become pottery, bullet diameter increases, speed of action slows down, action time lengthens, deformation layer lower thickness, and the thickness of nano-crystalline layers is also thinning, crystal grain does not have the finished product welding wire crystal grain of embodiment 1 and embodiment 2 tiny, and hardness improves 2 times.Finished product welding wire macroscopic view and microcosmic surface are identical with the finished product welding wire of embodiment 1 and embodiment 2.
Claims (4)
1. a novel aluminum alloy welding wire preparation method, it is characterised in that include following operation:
Cold rolling → drawing → descale processes → online surface mechanical attrition treatment → finished product wet drawing → ultrasonic waves for cleaning → drying → layer around.
2. novel aluminum alloy welding wire preparation method according to claim 1, it is characterised in that described descale treatment process, adopts equipment for grinding to carry out descale process, removes thickness at below 0.05mm.
3. novel aluminum alloy welding wire preparation method according to claim 1, it is characterized in that, described online surface mechanical attrition treatment operation, bullet diameter is 1mm～15mm, stroke speed is at 1m/s～20m/s, and collision frequency is at 50Hz～22KHz, and action time is 20min～120min, the bullet material used is rustless steel, GCr15, glass or pottery, and the atmosphere of process is vacuum, applying argon gas, inflated with nitrogen or ammoniated gas.
4. novel aluminum alloy welding wire preparation method according to claim 1, it is characterised in that described finished product water tank drawing procedure, adopts 4～11 road moulds.
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| CN201610155957.2A CN105772992A (en) | 2016-03-18 | 2016-03-18 | Novel aluminum alloy welding wire preparation method |
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| CN201610155957.2A CN105772992A (en) | 2016-03-18 | 2016-03-18 | Novel aluminum alloy welding wire preparation method |
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| CN105772992A true CN105772992A (en) | 2016-07-20 |
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| CN201610155957.2A Pending CN105772992A (en) | 2016-03-18 | 2016-03-18 | Novel aluminum alloy welding wire preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392385A (en) * | 2016-11-29 | 2017-02-15 | 江阴祥瑞不锈钢精线有限公司 | Welding rod stainless steel wire production technology |
| CN108340098A (en) * | 2018-02-08 | 2018-07-31 | 周天国 | A kind of processing technology of 5183 aluminium alloy semi-finished product welding wire |
| CN108998704A (en) * | 2018-07-06 | 2018-12-14 | 新疆众和股份有限公司 | A kind of production technology of aluminum-magnesium alloy wire |
| CN112536505A (en) * | 2020-11-26 | 2021-03-23 | 重庆重铝新材料科技有限公司 | Welding method and application of nanocrystalline aluminum material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301873A (en) * | 1999-12-24 | 2001-07-04 | 中国科学院金属研究所 | Method for preparing nanometer layer on metal material surface |
| WO2004092424A1 (en) * | 2003-04-16 | 2004-10-28 | Katsuhiko Yamada | Heat treating method for steel wire |
| CN101722390A (en) * | 2009-11-24 | 2010-06-09 | 中国兵器工业第五二研究所 | Preparation method of high-quality aluminum alloy welding wire |
| CN103158075A (en) * | 2011-12-19 | 2013-06-19 | 湖南科技大学 | Aluminum alloy welding wire provided with surface layer nanocrystalline and preparation method thereof |
| CN102941423B (en) * | 2012-12-08 | 2015-02-04 | 中国兵器工业第五二研究所 | Preparation method of aluminum alloy welding wire |
| CN104959747A (en) * | 2015-05-22 | 2015-10-07 | 宝志坚 | Metal ceramic welding wire and preparation method thereof |
-
2016
- 2016-03-18 CN CN201610155957.2A patent/CN105772992A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301873A (en) * | 1999-12-24 | 2001-07-04 | 中国科学院金属研究所 | Method for preparing nanometer layer on metal material surface |
| WO2004092424A1 (en) * | 2003-04-16 | 2004-10-28 | Katsuhiko Yamada | Heat treating method for steel wire |
| CN101722390A (en) * | 2009-11-24 | 2010-06-09 | 中国兵器工业第五二研究所 | Preparation method of high-quality aluminum alloy welding wire |
| CN103158075A (en) * | 2011-12-19 | 2013-06-19 | 湖南科技大学 | Aluminum alloy welding wire provided with surface layer nanocrystalline and preparation method thereof |
| CN102941423B (en) * | 2012-12-08 | 2015-02-04 | 中国兵器工业第五二研究所 | Preparation method of aluminum alloy welding wire |
| CN104959747A (en) * | 2015-05-22 | 2015-10-07 | 宝志坚 | Metal ceramic welding wire and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106392385A (en) * | 2016-11-29 | 2017-02-15 | 江阴祥瑞不锈钢精线有限公司 | Welding rod stainless steel wire production technology |
| CN106392385B (en) * | 2016-11-29 | 2018-08-03 | 江阴祥瑞不锈钢精线有限公司 | Welding rod stainless steel wire production technology |
| CN108340098A (en) * | 2018-02-08 | 2018-07-31 | 周天国 | A kind of processing technology of 5183 aluminium alloy semi-finished product welding wire |
| CN108998704A (en) * | 2018-07-06 | 2018-12-14 | 新疆众和股份有限公司 | A kind of production technology of aluminum-magnesium alloy wire |
| CN108998704B (en) * | 2018-07-06 | 2020-06-09 | 新疆众和股份有限公司 | Production process of aluminum-magnesium alloy wire |
| CN112536505A (en) * | 2020-11-26 | 2021-03-23 | 重庆重铝新材料科技有限公司 | Welding method and application of nanocrystalline aluminum material |
| CN112536505B (en) * | 2020-11-26 | 2022-06-28 | 重庆重铝新材料科技有限公司 | Welding method and application of nanocrystalline aluminum material |
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Application publication date: 20160720 |