Effects of the welding current on the mechanical and metallurgical properties of a magnetic oscillated arc welded AZ31B magnesium alloy

被引：0
|
作者：
Visvalingam, Subravel [1 ]
Sigamani, Prabu [2 ]
机构：
[1] Govt Coll Engn, Thanjavur 613402, India
[2] Govt Polytech Coll Trichy, Trichy, India
来源：
MATERIALS TESTING | 2020年 / 62卷 / 08期
关键词：
Magnesium alloy; GTA welding; tensile properties; microstructure; GRAIN-REFINEMENT; PULSED CURRENT; MICROSTRUCTURE; TENSILE; PARAMETERS; STRENGTH; BEHAVIOR; METAL;
D O I：
10.3139/120.111488
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, the effect of current on the tensile and microstructural characteristics of magnetic arc oscillation welded AZ31B magnesium alloy joints has been investigated. Five joints were constructed using different levels of current (65 A - 85 A). It was found that the joints constructed using a current of 75 A yielded superior tensile properties as compared to the other joints. The formation of finer grains and higher hardness in fusion zone and uniformly distributed precipitates are the main reasons for the superior tensile properties of these joints.
引用
收藏
页码：863 / 868
页数：6
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