On the residual stresses in friction stir-welded parts: effect of the geometry of the joints

被引:6
|
作者
Fratini, L. [1 ]
Pasta, S. [2 ]
机构
[1] Univ Palermo, Dipartimento Tecnol Meccan Prod & Ingn Gest, I-90128 Palermo, Italy
[2] Univ Palermo, Dipartimento Meccan, I-90128 Palermo, Italy
关键词
friction stir welding; butt lap T joints; residual stresses; FATIGUE-CRACK GROWTH; MECHANICAL-PROPERTIES; ALUMINUM-ALLOY; MICROSTRUCTURE;
D O I
10.1243/14644207JMDA337
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Residual stress state is a fundamental aspect of welded joints, especially when complex geometries are considered. In this article, the residual longitudinal stresses in friction stir-welded joints were measured. In particular, different joint configurations were taken into account, namely butt joints, T, and lap ones, the latter being definitively interesting case studies with reference to applications in the transportation industries and, particularly in the aerospace industries.
引用
收藏
页码:149 / 161
页数:13
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