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Dissimilar Al/Mg alloys friction stir lap welding with Zn foil assisted by ultrasonic
Alternative TitleDissimilar Al/Mg alloys friction stir lap welding with Zn foil assisted by ultrasonic
Ji Shude1; Niu Shiyu1; Liu Jianguang2
2019
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:8Pages:1712-1718
AbstractThe Zn-added ultrasonic assisted friction stir lap welding (UaFSLW) was carried out to improve the quality of dissimilar Al/Mg alloys joint. The effects of ultrasonic power on the joint quality were also investigated. The results indicated that the larger effective lap width and mixing region between Mg and Al (Mg/Al MR) were attained by Zn foil addition and external ultrasonic assistance. Compared with the conventional joint, the finer and better-distributed Mg-Zn IMCs placing the continuous Al-Mg IMCs were formed in the Mg/Al MR of the Zn-added UaFSLW joint. The Zn foil addition and external ultrasonic assistance significantly improved the tensile shear load of the joint, and the load was increased with the increase of the ultrasonic power. The maximum tensile shear load of 7.95 kN was attained, which was 52.6% larger than that of the conventional joint. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
Other AbstractThe Zn-added ultrasonic assisted friction stir lap welding (UaFSLW) was carried out to improve the quality of dissimilar Al/Mg alloys joint. The effects of ultrasonic power on the joint quality were also investigated. The results indicated that the larger effective lap width and mixing region between Mg and Al (Mg/Al MR) were attained by Zn foil addition and external ultrasonic assistance. Compared with the conventional joint, the finer and better-distributed Mg-Zn IMCs placing the continuous Al-Mg IMCs were formed in the Mg/Al MR of the Zn-added UaFSLW joint. The Zn foil addition and external ultrasonic assistance significantly improved the tensile shear load of the joint, and the load was increased with the increase of the ultrasonic power. The maximum tensile shear load of 7.95 kN was attained, which was 52.6% larger than that of the conventional joint.
KeywordMICROSTRUCTURE EVOLUTION MECHANICAL-PROPERTIES TENSILE PROPERTIES ALUMINUM-ALLOY MG ALLOY MAGNESIUM STRENGTH JOINTS ARC LAYER Dissimilar Al/Mg alloys Friction stir lap welding Zn foil Ultrasonic power Microstructures Tensile shear load
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China]
CSCD IDCSCD:6568340
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/148894
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.Beijing Aeronaut Sci & Technol Res Institute COMAC, Beijing Key Lab Civil Aircraft Struct & Composite, Beijing 102211, Peoples R China
Recommended Citation
GB/T 7714
Ji Shude,Niu Shiyu,Liu Jianguang. Dissimilar Al/Mg alloys friction stir lap welding with Zn foil assisted by ultrasonic[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(8):1712-1718.
APA Ji Shude,Niu Shiyu,&Liu Jianguang.(2019).Dissimilar Al/Mg alloys friction stir lap welding with Zn foil assisted by ultrasonic.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(8),1712-1718.
MLA Ji Shude,et al."Dissimilar Al/Mg alloys friction stir lap welding with Zn foil assisted by ultrasonic".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.8(2019):1712-1718.
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