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Refill friction stir spot welding of 5083-O aluminum alloy
Alternative TitleRefill friction stir spot welding of 5083-O aluminum alloy
Xu Zhiwu1; Li Zhengwei1; Ji Shude2; Zhang Liguo2
2018
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume34Issue:5Pages:878-885
AbstractIn this work, refill friction stir spot welding (RFSSW) was used to weld 2 mm-thick 5083-O alloy. The Box-Behnken experimental design was used to investigate the effect of welding parameters on the joint lap shear property. Results showed that a surface indentation of 0.3 mm effectively eliminated the welding defects. Microhardness of the stir zone (SZ) was higher than that of the base material (BM) and the hardness decreased with increasing the heat input during welding. The optimum failure load of 7.72 kN was obtained when using rotating speed of 2300 rpm, plunge depth of 2.4 mm and refilling time of 3.5 s. Three fracture modes were obtained during the lap shear test and all were affected by the hook defect. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
Other AbstractIn this work, refill friction stir spot welding (RFSSW) was used to weld 2 mm-thick 5083-O alloy. The Box–Behnken experimental design was used to investigate the effect of welding parameters on the joint lap shear property. Resultsshowedthat a surface indentation of 0.3mmeffectively eliminated the welding defects. Microhardness of the stir zone (SZ) was higher than that of the base material (BM) and the hardness decreased with increasing the heat input during welding. The optimum failure load of 7.72kN was obtained when using rotating speed of 2300 rpm, plunge depth of 2.4mm and refilling time of 3.5 s. Three fracture modes were obtained during the lap shear test and all were affected by the hook defect.
KeywordMECHANICAL-PROPERTIES MICROSTRUCTURE OPTIMIZATION SHEETS AL PARAMETERS AA6181-T4 FEATURES JOINTS Refill friction stir spot welding Keyhole Secondary phases Microhardness Lap shear failure loada
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:6240463
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/148867
Collection中国科学院金属研究所
Affiliation1.Harbin Institute Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Heilongjiang, Peoples R China
2.中国科学院金属研究所
Recommended Citation
GB/T 7714
Xu Zhiwu,Li Zhengwei,Ji Shude,et al. Refill friction stir spot welding of 5083-O aluminum alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(5):878-885.
APA Xu Zhiwu,Li Zhengwei,Ji Shude,&Zhang Liguo.(2018).Refill friction stir spot welding of 5083-O aluminum alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(5),878-885.
MLA Xu Zhiwu,et al."Refill friction stir spot welding of 5083-O aluminum alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.5(2018):878-885.
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