Three-Dimensional Visualization of Material Flow During Friction Stir Welding of Steel and Aluminum

被引：40

作者：

Morisada, Yoshiaki ^{[1
]}

Imaizumi, Takuya ^{[1
]}

Fujii, Hidetoshi ^{[1
]}

Matsushita, Muneo ^{[2
]}

Ikeda, Rinsei ^{[2
]}

机构：

[1] Osaka Univ Joining & Welding Res Inst, Osaka, Japan

[2] JFE Steel Corp, Chiba, Japan

来源：

JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE | 2014年 / 23卷 / 11期

基金：

日本科学技术振兴机构;

关键词：

aluminum; friction stir welding; material flow; steel; x-ray radiography; TOOL STEEL; MICROSTRUCTURES;

D O I：

10.1007/s11665-014-1202-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Material flow is a key phenomenon to obtain sound joints by friction stir welding (FSW), and it is highly dependent of the welded material. It is well known that the optimal FSW condition depends on the welded material. However, the material flow during FSW has not been totally clarified in spite of many researches. Especially, the material flow of steel during FSW is still unclear. It seems difficult to understand the material flow by the traditional method such as the tracer method or observation of the microstructure in the stir zone. Therefore, in this study, the material flow of steel was three dimensionally visualized by x-ray radiography using two pairs of x-ray transmission real-time imaging systems, and was then compared with the material flow of aluminum. The result revealed the effect of the welded material on the material flow during FSW.

引用

页码：4143 / 4147

页数：5

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