TIG butt welding between Mg alloy and Al alloy filling with Zn wire

被引：0
|
作者：
Liu, Fei [1 ]
Zhang, Zhaodong [1 ]
Liu, Liming [1 ]
机构：
[1] Key Laboratory of Liaoning Advanced Welding and Joining Technology, School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China
来源：
Hanjie Xuebao/Transactions of the China Welding Institution | 2011年 / 32卷 / 10期
关键词：
Filling - Inert gas welding - Solid solutions - Gas welding - Zinc alloys - Magnesium alloys - Aluminum alloys - Binary alloys - Inert gases - Tensile strength - Welds - Metals - Wire;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Butt welding experiments of Mg to Al alloy filling with Zn wire were carried out by tungsten inert gas (TIG) welding. The welding joints were investigated and tested by metallography microscope, electronic probe micro-analyzer (EPMA), universal mechanical properties testing machine. The results indicated that the aluminum alloy 6061 and the magnesium alloy AZ31B was jointed with a good surface forming. The welded joints are mainly composed of MgZn2, the zinc base solid solution and the aluminum base solid solution, there are not the obvious transitional layer between welded seam and aluminum base metal and the transitional layers which approximately 20-100 μm between welded seam and magnesium base metal. The hardness of the weld seam is higher than that of the base metal aluminium alloy 6061 and magnesium alloy AZ31B. The tensile strength of the butt joint is 75 MPa.
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页码：49 / 52
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