FRACTURE MECHANISM OF ALUMINIUM FRICTION STIR WELDED BLANKS

被引：11
|
作者：
Zadpoor, Amir Abbas [1 ]
Sinke, Jos [1 ]
Benedictus, Rinze [1 ]
机构：
[1] Delft Univ Technol TU Delft, Fac Aerosp Engn, NL-2629 HS Delft, Netherlands
来源：
INTERNATIONAL JOURNAL OF MATERIAL FORMING | 2009年 / 2卷
关键词：
Friction stir welded blanks; Fracture mechanism; Dissimilar thicknesses; Dissimilar alloys;
D O I：
10.1007/s12289-009-0512-y
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The fracture mechanism of friction stir welded blanks is studied in this paper. An extensive test matrix comprising ten different weld configurations is designed for the study. The welds are produced with ten combinations of different alloys and thicknesses. The selected alloys are 2024-T3 and 7075-T6 and the thickness ratio varies between 1 and 1.7. Welding parameters are optimized for each of the studied configurations. Tensile tests are conducted on some samples of the welds. The fracture surfaces are inspected by SEM to determine the type of mechanism governing the fracture of the specimens. The results of the study are compared with the literature and are extensively discussed to determine whether or not the thermomechanical evolutions taken place during the welding process change the fracture mechanism of the studied alloys.
引用
收藏
页码：319 / 322
页数：4
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