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Impact of shoulder concavity on non-tool-tilt friction stir welding of 5052 aluminum alloy
Zhang HJ(张会杰); Wang M(王敏); Zhu Z(朱智); Zhang X(张骁); Yu T(于涛); Wu ZQ(吴振强)
作者部门空间自动化技术研究室
关键词Non-tool-tilt Friction Stir Welding Shoulder Concavity Aluminum Alloy Joint Performance
发表期刊International Journal of Advanced Manufacturing Technology
ISSN0268-3768
2018
卷号96期号:1-4页码:1497-1506
收录类别SCI ; EI
EI收录号20180704804902
WOS记录号WOS:000428797500117
产权排序1
资助机构National Natural Science Foundation of China ; Youth Innovation Promotion Association, Chinese Academy of Sciences
摘要In regard to the non-tool-tilt friction stir welding (NTT-FSW) process, the shoulder concavity has significant effects on the control of heat generation and material flow, and thus is an important geometrical feature for the tool design. In this paper, three types of shoulder concavity angles (SCAs), i.e., 0°, 5°, and 10°, were selected to explore the impact of SCA on the NTT-FSW of 5052 aluminum alloy. The results indicate that the increase of SCA lowers the tool axial force, reduces the nugget width, and weakens the band structure in the nugget. A weakening of shoulder thermal effect occurs from 0° to 5° SCA, leading to an improvement of the structure-property of the NTT-FSW joint. Further increasing the SCA to 10° causes the generation of the secondary sliding frictional heat at the interface between the shoulder-driven material and the base material, and thus the shoulder thermal effect does not show a continuous weakening trend as expected but becomes stronger instead, resulting in the deterioration of the microstructure evolution and the degradation of the tensile strength of NTT-FSW joint.
语种英语
WOS类目Automation & Control Systems ; Engineering, Manufacturing
关键词[WOS]MECHANICAL-PROPERTIES ; MATERIAL FLOW ; PARAMETERS ; HEAT ; MICROSTRUCTURE ; EVOLUTION ; GEOMETRY
WOS研究方向Automation & Control Systems ; Engineering
资助项目National Natural Science Foundation of China[51505471] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2015162]
引用统计
文献类型期刊论文
条目标识符http://ir.sia.cn/handle/173321/21522
专题空间自动化技术研究室
通讯作者Zhang HJ(张会杰)
作者单位1.School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation Chinese Academy of Sciences, Shenyang 110016, China
推荐引用方式
GB/T 7714
Zhang HJ,Wang M,Zhu Z,et al. Impact of shoulder concavity on non-tool-tilt friction stir welding of 5052 aluminum alloy[J]. International Journal of Advanced Manufacturing Technology,2018,96(1-4):1497-1506.
APA Zhang HJ,Wang M,Zhu Z,Zhang X,Yu T,&Wu ZQ.(2018).Impact of shoulder concavity on non-tool-tilt friction stir welding of 5052 aluminum alloy.International Journal of Advanced Manufacturing Technology,96(1-4),1497-1506.
MLA Zhang HJ,et al."Impact of shoulder concavity on non-tool-tilt friction stir welding of 5052 aluminum alloy".International Journal of Advanced Manufacturing Technology 96.1-4(2018):1497-1506.
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