Mechanical properties of 7N01 aluminum friction stir welding joint

被引：0
|
作者：
Meng, Lichun [1 ]
Kang, Xu [2 ,3 ]
Sun, Yanjun [2 ]
Sun, Kai [2 ]
Shi, Qingyu [2 ]
机构：
[1] CSR Sifang Locomotive and Rolling Stock. Co. Ltd., Qingdao 266111, China
[2] Key Laboratory for Advanced Materials Processing Technology of Education Ministry, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
[3] The Locomotive and Car Research Institute, China Academy of Railway Science, Beijing 100081, China
来源：
Hanjie Xuebao/Transactions of the China Welding Institution | 2012年 / 33卷 / 02期
关键词：
Hardness - Fracture - Friction - Research laboratories - Tensile strength - Aluminum alloys - Tensile testing - Tribology;
D O I：
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中图分类号：
学科分类号：
摘要：
Mechanical properties of friction stir welded 7N01 aluminum joint under different welding parameters have been studied in this paper. The tensile test results showed that, with a certain rotational speed and welding speed, the FSW joints could keep at a high strength level of 340 MPa even the plunge depth varied from 0.3 to 1.0 mm. SEM was carried and the FSW joints exhibited mainly dimpled fracture surfaces. Hardness of the joints was also measured. The hardness in retreating side was a little higher than that of advancing side. This result corresponded well with the tensile test result. Fracture occurred at the advancing side in tensile test.
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页码：90 / 92
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