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题名: Improving the structure-property of aluminum alloy friction stir weld by using a non-shoulder-plunge welding tool
作者: Zhang HJ(张会杰); Wang M(王敏); Zhu Z(朱智); Zhang X(张骁); Yu T(于涛); Yang GX(杨广新)
作者部门: 空间自动化技术研究室
关键词: Friction stir welding ; Aluminum alloy ; Non-shoulder-plunge welding tool ; Structure-property
刊名: International Journal of Advanced Manufacturing Technology
ISSN号: 0268-3768
出版日期: 2016
卷号: 87, 期号:1, 页码:1095–1104
收录类别: SCI ; EI
产权排序: 1
项目资助者: National Natural Science Foundation of China (Grant No. 51505471) and the Self-Determined Project for Youth of State Key Laboratory of Robotics, Shenyang Institute of Automation Chinese Academy of Sciences (Grant No. Y3A1209).
摘要: In order to improve the joint performances by controlling the thermal effect of tool shoulder, a non-shoulder-plunge (NSP) welding tool is utilized to conduct friction stir welding (FSW) of an Al-Mg aluminum alloy in this paper. Sound FSW joint is successfully produced by using the NSP welding tool. In contrast to conventional FSW (C-FSW), the thermal effect of tool shoulder is effectively reduced by NSP-FSW, leading to a significant size reduction of shoulder-affected zone in the joint. Besides, the NSP-FSW joint shows finer grain structures in the stir zone and thermo-mechanically affected zone, and exhibits lower extents of grain coarsening, dislocation polygonization, and particle dissolution in the heat-affected zone. Hardness maps show that the softening region width of NSP-FSW joint is only nearly half that of C-FSW joint and the NSP-FSW joint exhibits higher hardness in the heat-affected zone than C-FSW joint. The tensile test results indicate that the joint efficiency is improved from 89 % of C-FSW joint to 97 % by the NSP-FSW process.
语种: 英语
WOS记录号: WOS:000386383100091
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/17731
Appears in Collections:空间自动化技术研究室_期刊论文

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Recommended Citation:
Zhang HJ,Wang M,Zhu Z,et al. Improving the structure-property of aluminum alloy friction stir weld by using a non-shoulder-plunge welding tool[J]. International Journal of Advanced Manufacturing Technology,2016,87(1):1095–1104.
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