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Deformation behaviour of 18R long-period stacking ordered structure in an Mg-Zn-Y alloy under shock loading
Zhang, Fan1; Ren, Yu2,3; Ning, Shoucong4; Tian, Yuan5; Hu, Weiwei6; Tan, Chengwen3; Fujita, Takeshi1; Hirata, Akihiko1; Chen, Mingwei1,5
Corresponding AuthorTan, Chengwen(tanchengwen@126.com) ; Chen, Mingwei(mwchen@jhu.edu)
2018-11-01
Source PublicationINTERMETALLICS
ISSN0966-9795
Volume102Pages:21-25
AbstractThe deformation microstructure of an interdendritie 18 R long-period stacking ordered (LPSO) phase in an Mg-Zn-Y. alloy subjected to shock loading was investigated by transmission electron microscopy. It was found that kink banding, the key deformation mode of LPSO phases under quasi-static loading, is suppressed by shock loading. Instead, second-order pyramidal slip by < c + a > dislocations, which has not been observed in LPSO before, contributes to the plastic deformation of LPSO, in addition to the < a > dislocations. The rate-dependent deformation modes of LPSO have an important implication in understanding the mechanical behaviour of LPSO strengthened Mg alloys under extreme loading conditions.
KeywordIntermetallics Plastic deformation mechanisms Microstructure Dislocation Electron microscopy
Funding OrganizationWorld Premier International Research Center (WPI) Initiative by MEXT, Japan ; JSPS
DOI10.1016/j.intermet.2018.08.007
Indexed BySCI
Language英语
Funding ProjectWorld Premier International Research Center (WPI) Initiative by MEXT, Japan ; JSPS
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000447581400004
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/130039
Collection中国科学院金属研究所
Corresponding AuthorTan, Chengwen; Chen, Mingwei
Affiliation1.Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan
2.North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China
3.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
4.Natl Univ Singapore, Dept Mat Sci & Engn, Singapore 117575, Singapore
5.Johns Hopkins Univ, Dept Mat Sci & Engn, Baltimore, MD 21214 USA
6.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Fan,Ren, Yu,Ning, Shoucong,et al. Deformation behaviour of 18R long-period stacking ordered structure in an Mg-Zn-Y alloy under shock loading[J]. INTERMETALLICS,2018,102:21-25.
APA Zhang, Fan.,Ren, Yu.,Ning, Shoucong.,Tian, Yuan.,Hu, Weiwei.,...&Chen, Mingwei.(2018).Deformation behaviour of 18R long-period stacking ordered structure in an Mg-Zn-Y alloy under shock loading.INTERMETALLICS,102,21-25.
MLA Zhang, Fan,et al."Deformation behaviour of 18R long-period stacking ordered structure in an Mg-Zn-Y alloy under shock loading".INTERMETALLICS 102(2018):21-25.
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