IMPACT FRACTURE RESPONSE OF FRICTION STIR WELDED Al-Mg ALLOY

被引：0
|
作者：
Eramah, Abdasalam M. M. [1 ]
Tadic, Srdan [2 ]
Sedmak, Aleksandar [1 ]
机构：
[1] Univ Belgrade, Fac Mech Engn, Belgrade, Serbia
[2] Fac Mech Engn, Innovat Ctr, Belgrade, Serbia
来源：
STRUCTURAL INTEGRITY AND LIFE-INTEGRITET I VEK KONSTRUKCIJA | 2013年 / 13卷 / 03期
关键词：
impact fracture; ductile tearing; crack initiation; friction stir welding; aluminium alloys;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Effects of friction stir welding (FSW) variables on the Charpy impact fracture behaviour of Al-Mg 5083 alloy are investigated. Rotational and traversal welding rates are linked to the dynamic crack initiation and ductile tearing. The fracture mechanism is clarified by numerical and fractographic analysis. Results had revealed that initiation and stable crack propagation is not significantly influenced by the applied welding variables. It is attributed to the strain hardening of the investigated alloy. However, the final unstable phase of ductile tearing is strongly susceptible to the imperfections in the stirring zone of the weld
引用
收藏
页码：171 / 177
页数：7
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