CN101823190A - Aluminium-silicon alloy welding wire and preparation method thereof - Google Patents
Aluminium-silicon alloy welding wire and preparation method thereof Download PDFInfo
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- CN101823190A CN101823190A CN 201010180750 CN201010180750A CN101823190A CN 101823190 A CN101823190 A CN 101823190A CN 201010180750 CN201010180750 CN 201010180750 CN 201010180750 A CN201010180750 A CN 201010180750A CN 101823190 A CN101823190 A CN 101823190A
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Abstract
The invention discloses an aluminium-silicon alloy welding wire and a preparation method thereof. According to the weight percent, the welding wire comprises 4.5-6.0% of silicon, 0.05-0.20% of titanium, 0.0001-0.0003% of beryllium, 0.01-0.06% of strontium and the balance aluminium. The preparation method comprises the steps of: adding the aluminium in a way of pure metal, and then adding other elements in a way of aluminium-based intermediate alloy; adding aluminium ingot and AeSi30 into a gas reflecting furnace, smelting and then adding slag beating agent for stirring and deslagging; then, adding AlTi10 and AlSr10; after 35-35min, adding refining agent for refining under the protection of argon; after refining, horizontally and continuously casting, and forming an aluminium alloy coil rod; and drawing the aluminium alloy coil rod for a plurality of times, and processing continuous disc-shaped welding wires with different specifications. Compared with the prior art, the invention has simple preparation method and easily controlled operation, and obviously reduces the phenomena of volatilization, oxidation and burning loss in the smelting process; and the obtained welding wire has excellent plastic processing performance and mechanical property.
Description
Technical field
The present invention relates to a kind of aluminium-silicon alloy welding wire and preparation method thereof, belong to technical field of metal material preparation.
Background technology
The model that existing aluminium-silicon alloy welding wire is commonly used is ER4043, and it is widely used in the welding of boats and ships, locomotive, chemical industry, sports equipment, bicycle, mould, furniture, container and container etc.The chemical analysis (weight) of this model welding wire of some of them manufacturer production is: Si 5, Mg≤0.10, Fe≤0.04, Cu≤0.05, AL surplus.But the plastic deformation ability and the mechanical property of existing this aluminium-silicon alloy welding wire are not ideal enough.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of size that can reduce the primary silicon particle, and has aluminium-silicon alloy welding wire of plastic deformation ability and mechanical property preferably and preparation method thereof.
For solving the problems of the technologies described above, the present invention adopts following technical proposals:
A kind of aluminium-silicon alloy welding wire, by weight percentage, the consisting of of this welding wire:
Silicon 4.5～6.0, titanium 0.05～0.20, beryllium 0.0001～0.0003, strontium 0.01～0.06, aluminium surplus.
The present invention can reduce the size of primary silicon particle by being to add a certain proportion of strontium in the aluminium silicon welding wire original four, and improves the plastic deformation ability and the mechanical property of welding wire; Add a spot of beryllium, generate fine and close oxide-film because beryllium diffuses to bath surface, thereby reduced the scaling loss and the pollution of alloy, thereby can reach the purpose that reduces the raw material consumption.In this prescription, should can be understood as and also comprise the impurity that some are brought into by raw material, generally speaking, the kind of impurity and content should be in following scopes: iron≤0.80, copper≤0.30, manganese≤0.05, magnesium≤0.05, zinc≤0.10.
The percentage by weight of above-mentioned each component is preferably:
Silicon 4.5～5.5, titanium 0.10～0.15, beryllium 0.0002～0.0003, strontium 0.015～0.03, aluminium surplus.
The present invention also provides the preparation method of above-mentioned aluminium-silicon alloy welding wire, and it may further comprise the steps:
1) raw material preparation: aluminium adds with form of pure metal, and alloying element silicon, titanium, beryllium and strontium all add with aluminium base intermediate alloy;
2) alloy melting: aluminium ingot and intermediate alloy AeSi30 are added in the combustion gas reverberatory furnace, adding slagging agent after the fusing stirs, removes slag, add AlTi 10, AlSr10 and AlBe3 intermediate alloy then, after 35～35 minutes, add refining agent and carry out refining under the argon shield state, horizontal casting becomes aluminium alloy wire rod after the refining;
3) shape: aluminium alloy wire rod is processed into the continuous plate-like welding wire of different size through repeatedly drawing.
In the said method,
Step 2) in, described slagging agent is that model is the aluminium deslagging agent of ZS-AZ, and described refining agent is that model is the aluminium refining agent of ZS-AJ.The addition of described slagging agent and refining agent is the amount of being routinely added to of the prior art.
Step 2) in, argon pressure is 0.5～0.8MPa.
Compared with prior art, the invention has the advantages that: the preparation method is simple, easy controlled operation; The chemical composition of welding wire is simple, only adds a spot of strontium in prescription, can reach the size that reduces the primary silicon particle, improves the plastic deformation ability of welding wire and the purpose of mechanical property; By adding a spot of beryllium, make that the volatilization oxidization burning loss phenomenon in fusion process obviously reduces, thereby can reach the purpose that reduces the raw material consumption.
The specific embodiment
The invention will be further described below in conjunction with embodiment.
The chemical composition of welding wire and scope according to the present invention are processed and are prepared the welding wire of 4 kinds of heterogeneity content (seeing following examples 1～4), and its preparation method is as follows:
1) raw material preparation: aluminium adds with form of pure metal, and alloying element silicon, titanium, beryllium and strontium all add with aluminium base intermediate alloy;
2) alloy melting: aluminium ingot and intermediate alloy AeSi30 are added in the combustion gas reverberatory furnace, adding slagging agent ZS-AZ (the blue moral high-tech industry in Sichuan Co., Ltd) after the fusing stirs, removes slag, add AlTi10, AlSr10 and AlBe3 intermediate alloy then, after 35～35 minutes, add refining agent ZS-AJ (Sichuan blue moral high-tech industry Co., Ltd) and carry out refining under argon gas (0.7MPa) guard mode, leaving standstill after 30 minutes horizontal casting after the refining, to become diameter be Φ 6.5mm aluminium alloy wire rod;
3) shape: anneal when the alloy wire rod is drawn into diameter of phi 5.2mm, then through draw, essence is scraped, polish, clean, dry, smart around last dish, promptly.
Embodiment 1
The composition of aluminium-silicon alloy welding wire is by weight percentage:
Silicon 5.0%, titanium 0.15%, beryllium 0.0001%, strontium 0.06%, aluminium surplus.
Embodiment 2
The composition of aluminium-silicon alloy welding wire is by weight percentage:
Silicon 6.0%, titanium 0.05%, beryllium 0.0002%, strontium 0.015%, aluminium surplus.
Embodiment 3
The composition of aluminium-silicon alloy welding wire is by weight percentage:
Silicon 4.5%, titanium 0.20%, beryllium 0.00015%, strontium 0.03%, aluminium surplus.
Embodiment 4
The composition of aluminium-silicon alloy welding wire is by weight percentage:
Silicon 5.5%, titanium 0.10%, beryllium 0.0003%, strontium 0.04%, aluminium surplus.
Experimental example 1
Adopt above-mentioned four prepared welding wires of embodiment of the present invention and contrast welding wire ER4043 argon arc welding method, welding is that the LF21 sheet material of 20mm and the LF21 sheet material of thickness 6.5mm are made test plate (panel) with thickness, and the performance of welding point is shown in following table 1:
Table 1:
By the data in the above table as can be known, the mechanical property of welding wire welding point of the present invention is better than contrasting welding wire ER4043.
Claims (5)
1. aluminium-silicon alloy welding wire is characterized in that: by weight percentage, and the consisting of of this welding wire:
Silicon 4.5～6.0, titanium 0.05～0.20, beryllium 0.0001～0.0003, strontium 0.01～0.06, aluminium surplus.
2. aluminium-silicon alloy welding wire according to claim 1 is characterized in that: the percentage by weight of each component is:
Silicon 4.5～5.5, titanium 0.10～0.15, beryllium 0.0002～0.0003, strontium 0.015～0.03, aluminium surplus.
3. the preparation method of the described aluminium-silicon alloy welding wire of claim 1 is characterized in that may further comprise the steps:
1) raw material preparation: aluminium adds with form of pure metal, and alloying element silicon, titanium, beryllium and strontium all add with aluminium base intermediate alloy;
2) alloy melting: aluminium ingot and intermediate alloy AeSi30 are added in the combustion gas reverberatory furnace, adding slagging agent after the fusing stirs, removes slag, add AlTi10 and AlSr10 intermediate alloy then, after 35～35 minutes, add refining agent and carry out refining under the argon shield state, horizontal casting becomes aluminium alloy wire rod after the refining;
3) shape: aluminium alloy wire rod is processed into the continuous plate-like welding wire of different size through repeatedly drawing.
4. the preparation method of aluminium-silicon alloy welding wire according to claim 3 is characterized in that: step 2) in, described slagging agent is that model is the aluminium deslagging agent of ZS-AZ, described refining agent is that model is the aluminium refining agent of ZS-AJ.
5. the preparation method of aluminium-silicon alloy welding wire according to claim 3 is characterized in that: step 2) in, argon pressure is 0.5～0.8MPa.
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| CN2010101807503A CN101823190B (en) | 2010-05-21 | 2010-05-21 | Aluminium-silicon alloy welding wire and preparation method thereof |
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| CN2010101807503A CN101823190B (en) | 2010-05-21 | 2010-05-21 | Aluminium-silicon alloy welding wire and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225496A (en) * | 2011-06-21 | 2011-10-26 | 郑州机械研究所 | Preparation method of zinc-aluminium seamless flux-cored wire |
| EP2479296A1 (en) * | 2011-01-21 | 2012-07-25 | Hydro Aluminium Rolled Products GmbH | Aluminium alloy free of Si primary particles |
| CN104772583A (en) * | 2015-03-26 | 2015-07-15 | 昆明理工大学 | Preparing method of zinc-aluminum alloy welding wires |
| CN105171266A (en) * | 2015-08-28 | 2015-12-23 | 武汉大学 | Self-propagating aluminum solder and welding method thereof |
| CN105710568A (en) * | 2016-04-12 | 2016-06-29 | 兰州威特焊材科技股份有限公司 | Preparation method of TIG/MIG welding wire of high-purity aluminum alloy SAL4043 special for high-speed trains |
| CN106271189A (en) * | 2016-08-24 | 2017-01-04 | 上海交通大学 | A kind of welding wire with small grains tissue or the preparation method of welding rod |
| CN108393615A (en) * | 2018-02-02 | 2018-08-14 | 宁波市雪银铝业有限公司 | Low-loss aluminium welding wire cold-extruded technique |
| CN108436326A (en) * | 2018-03-19 | 2018-08-24 | 南昌航空大学 | A kind of preparation method of soldering alusil alloy welding rod |
| CN114193021A (en) * | 2021-11-24 | 2022-03-18 | 宁波博德高科股份有限公司 | Aluminum-silicon-strontium-titanium-boron alloy welding wire and intelligent preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717205B (en) * | 2012-06-29 | 2014-12-10 | 东北大学 | Aluminium-alloy welding wire and preparation method thereof |
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| CN1256986A (en) * | 1999-12-29 | 2000-06-21 | 白津生 | Aluminium-silicon-titanium-boron welding wire |
| GB2390099A (en) * | 2002-06-24 | 2003-12-31 | Denso Corp | Heat exchanger with brazed fins of an aluminium alloy |
| CN1586794A (en) * | 2004-09-10 | 2005-03-02 | 北京工业大学 | Al-Si base medium temperature welding flux containing rare-earth Er and its preparing method |
| JP2005307251A (en) * | 2004-04-20 | 2005-11-04 | Sumitomo Light Metal Ind Ltd | Aluminum alloy clad material for automobile heat exchanger |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1256986A (en) * | 1999-12-29 | 2000-06-21 | 白津生 | Aluminium-silicon-titanium-boron welding wire |
| GB2390099A (en) * | 2002-06-24 | 2003-12-31 | Denso Corp | Heat exchanger with brazed fins of an aluminium alloy |
| JP2005307251A (en) * | 2004-04-20 | 2005-11-04 | Sumitomo Light Metal Ind Ltd | Aluminum alloy clad material for automobile heat exchanger |
| CN1586794A (en) * | 2004-09-10 | 2005-03-02 | 北京工业大学 | Al-Si base medium temperature welding flux containing rare-earth Er and its preparing method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2479296A1 (en) * | 2011-01-21 | 2012-07-25 | Hydro Aluminium Rolled Products GmbH | Aluminium alloy free of Si primary particles |
| CN102225496A (en) * | 2011-06-21 | 2011-10-26 | 郑州机械研究所 | Preparation method of zinc-aluminium seamless flux-cored wire |
| CN104772583A (en) * | 2015-03-26 | 2015-07-15 | 昆明理工大学 | Preparing method of zinc-aluminum alloy welding wires |
| CN105171266B (en) * | 2015-08-28 | 2017-06-09 | 武汉大学 | A kind of self- propagating aluminum solder and its welding method |
| CN105171266A (en) * | 2015-08-28 | 2015-12-23 | 武汉大学 | Self-propagating aluminum solder and welding method thereof |
| CN105710568A (en) * | 2016-04-12 | 2016-06-29 | 兰州威特焊材科技股份有限公司 | Preparation method of TIG/MIG welding wire of high-purity aluminum alloy SAL4043 special for high-speed trains |
| CN106271189A (en) * | 2016-08-24 | 2017-01-04 | 上海交通大学 | A kind of welding wire with small grains tissue or the preparation method of welding rod |
| CN106271189B (en) * | 2016-08-24 | 2018-09-14 | 上海交通大学 | A kind of preparation method of welding wire or welding rod with small grains tissue |
| CN108393615A (en) * | 2018-02-02 | 2018-08-14 | 宁波市雪银铝业有限公司 | Low-loss aluminium welding wire cold-extruded technique |
| CN108436326A (en) * | 2018-03-19 | 2018-08-24 | 南昌航空大学 | A kind of preparation method of soldering alusil alloy welding rod |
| CN108436326B (en) * | 2018-03-19 | 2020-07-24 | 南昌航空大学 | Preparation method of aluminum-silicon alloy welding rod for brazing |
| CN114193021A (en) * | 2021-11-24 | 2022-03-18 | 宁波博德高科股份有限公司 | Aluminum-silicon-strontium-titanium-boron alloy welding wire and intelligent preparation method thereof |
| CN114193021B (en) * | 2021-11-24 | 2023-03-10 | 宁波博德高科股份有限公司 | Aluminum-silicon-strontium-titanium-boron alloy welding wire and intelligent preparation method thereof |
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Effective date of registration: 20190918 Address after: 541213 First Floor of Dingjiang Town Development Zone (No.3 Industrial Zone) in Lingchuan County, Guilin City, Guangxi Zhuang Autonomous Region Patentee after: Guilin arrow Welding Material Co., Ltd. Address before: 541002 No. 164, Yulong Road, Guilin, the Guangxi Zhuang Autonomous Region Patentee before: Guilin Yinjian Welding Materials Co., Ltd. |
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Granted publication date: 20120530 Termination date: 20200521 |