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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)
Department空间自动化技术研究室
Source PublicationInternational Journal of Advanced Manufacturing Technology
ISSN0268-3768
2018
Volume96Issue:1-4Pages:1497-1506
Indexed BySCI ; EI
EI Accession number20180704804902
WOS IDWOS:000428797500117
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association, Chinese Academy of Sciences
KeywordNon-tool-tilt Friction Stir Welding Shoulder Concavity Aluminum Alloy Joint Performance
AbstractIn 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.
Language英语
WOS SubjectAutomation & Control Systems ; Engineering, Manufacturing
WOS KeywordMECHANICAL-PROPERTIES ; MATERIAL FLOW ; PARAMETERS ; HEAT ; MICROSTRUCTURE ; EVOLUTION ; GEOMETRY
WOS Research AreaAutomation & Control Systems ; Engineering
Funding ProjectNational Natural Science Foundation of China[51505471] ; Youth Innovation Promotion Association, Chinese Academy of Sciences[2015162]
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/21522
Collection空间自动化技术研究室
Corresponding AuthorZhang HJ(张会杰)
Affiliation1.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
Recommended Citation
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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