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An approach to enhancement of Mg alloy joint performance by additional pass of friction stir processing
Shang, Q.1,2; Ni, D. R.1; Xue, P.1; Xiao, B. L.1; Wang, K. S.3; Ma, Z. Y.1,3
Corresponding AuthorNi, D. R.(drni@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn)
2019-02-01
Source PublicationJOURNAL OF MATERIALS PROCESSING TECHNOLOGY
ISSN0924-0136
Volume264Pages:336-345
AbstractProfuse extension twins were successfully introduced to the whole stir zone of friction stir welded AZ31 alloy, and the joint turned out to be a two-layered structure after an additional pass of friction stir processing with a different tool under appropriate parameters. The detailed twinning characteristics and resultant texture evolution in various regions were then investigated. The strengthening effect of twin lamellae and the weakened strain localization in deformation gave rise to a significant improvement of joint mechanical properties. The yield strength of the joint was raised from 96 MPa to 122 MPa and the tensile strength was enhanced to be roughly equal to that of the base material with no reduction of elongation.
KeywordMg alloy Friction stir processing Joint performance enhancement Texture Twinning
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.jmatprotec.2018.09.021
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51331008] ; National Natural Science Foundation of China[U1760201] ; National Natural Science Foundation of China[51371179]
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Industrial ; Engineering, Manufacturing ; Materials Science, Multidisciplinary
WOS IDWOS:000450135400032
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130473
Collection中国科学院金属研究所
Corresponding AuthorNi, D. R.; Ma, Z. Y.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
3.Xian Univ Architecture & Technol, Sch Met Engn, Xian 710055, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Shang, Q.,Ni, D. R.,Xue, P.,et al. An approach to enhancement of Mg alloy joint performance by additional pass of friction stir processing[J]. JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,2019,264:336-345.
APA Shang, Q.,Ni, D. R.,Xue, P.,Xiao, B. L.,Wang, K. S.,&Ma, Z. Y..(2019).An approach to enhancement of Mg alloy joint performance by additional pass of friction stir processing.JOURNAL OF MATERIALS PROCESSING TECHNOLOGY,264,336-345.
MLA Shang, Q.,et al."An approach to enhancement of Mg alloy joint performance by additional pass of friction stir processing".JOURNAL OF MATERIALS PROCESSING TECHNOLOGY 264(2019):336-345.
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