Influence of tool shape on formation behavior of intermetallic compounds during dissimilar friction stir welding of steel and aluminum alloy

被引：0
作者：
Tanaka T. [1 ]
Nezu M. [1 ]
Uchida S. [1 ]
Hirata T. [1 ]
机构：
[1] Metallic Materials Section, Osaka Research Institute of Industrial Science and Technology, 2-7-1 Ayumino Izumi-shi, Osaka
来源：
Keikinzoku/Journal of Japan Institute of Light Metals | 2020年 / 70卷 / 11期
关键词：
Diffusion mechanism; Dissimilar metal (aluminum alloy; steel); Friction stir welding (FSW); Intermetallic compound (IMC);
D O I：
10.2464/JILM.70.503
中图分类号：
学科分类号：
摘要：
The effect of the welding tool shape in dissimilar friction stir welding of steel and aluminum on the formation mechanism of the intermetallic compound was investigated. It was found that the heat input during FSW process could be controlled by the tool shape. In addition, the tool shape caused a difference in the IMC formation behavior near the shoulder, which was correlated with the amount of plastic deformation of steel. Arrhenius plots of the IMC formation behavior in various joining processes indicated that the rate constant increased with the strain rate of iron during the reaction process. © 2020 The Japan Institute of Light Metals
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页码：503 / 509
页数：6
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