Refill friction stir spot welding of 5083-O aluminum alloy

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	Refill friction stir spot welding of 5083-O aluminum alloy
其他题名	Refill friction stir spot welding of 5083-O aluminum alloy
	Xu Zhiwu 1; Li Zhengwei 1; Ji Shude 2; Zhang Liguo 2
	2018
发表期刊	JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN	1005-0302
卷号	34 期号:5 页码:878-885
摘要	In 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.
其他摘要	In 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.
关键词	MECHANICAL-PROPERTIES MICROSTRUCTURE OPTIMIZATION SHEETS AL PARAMETERS AA6181-T4 FEATURES JOINTS Refill friction stir spot welding Keyhole Secondary phases Microhardness Lap shear failure loada
收录类别	CSCD
语种	英语
资助项目	[National Natural Science Foundation of China]
CSCD记录号	CSCD:6240463
引用统计	被引频次：7[CSCD] [CSCD记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/148867
专题	中国科学院金属研究所
作者单位	1.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
推荐引用方式 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.