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Shear localization in dynamic deformation: Microstructural evolution
Y. B. Xu; J. H. Zhang; Y. L. Bai; M. A. Meyers
2008
Source PublicationMetallurgical and Materials Transactions a-Physical Metallurgy and Materials Science
ISSN1073-5623
Volume39AIssue:4Pages:811-843
AbstractInvestigations made by the authors and collaborators into the microstructural aspects of adiabatic shear localization are critically reviewed. The materials analyzed are low-carbon steels, 304 stainless steel, monocrystalline Fe-Ni-Cr, Ti and its alloys, Al-Li alloys, Zircaloy, copper, and Al/SiC(p) composites. The principal findings are the following: (a) there is a strain-rate-dependent critical strain for the development of shear bands; (b) deformed bands and white-etching bands correspond to different stages of deformation; (c) different slip activities occur in different stages of band development; (d) grain refinement and amorphization occur in shear bands; (e) loss of stress-carrying capability is more closely associated with microdefects rather than with localization of strain; (f) both crystalline rotation and slip play important roles; and (g) band development and band structures are material dependent. Additionally, avenues for new research directions are suggested.
description.department[xu, yongbo; zhang, jinghua] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. [bai, yilong] chinese acad sci, inst mech, state key lab nonlinear mech continous media, beijing 100080, peoples r china. [meyers, marc andre] univ calif san diego, mat sci & engn program, la jolla, ca 92093 usa. [meyers, marc andre] univ calif san diego, dept mech & aerosp engn, la jolla, ca 92093 usa.;xu, yb (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china;ybxu@imr.ac.cn
KeywordHigh-strain-rate Severe Plastic-deformation Transmission Electron-microscopy Loaded Prenotched Plates Low-carbon Steels Adiabatic Shear Band Formation Stainless-steel Ti-6al-4v Alloy Thermoplastic Shear
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WOS IDWOS:000253754500011
Citation statistics
Cited Times:218[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/33254
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. B. Xu,J. H. Zhang,Y. L. Bai,et al. Shear localization in dynamic deformation: Microstructural evolution[J]. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,2008,39A(4):811-843.
APA Y. B. Xu,J. H. Zhang,Y. L. Bai,&M. A. Meyers.(2008).Shear localization in dynamic deformation: Microstructural evolution.Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science,39A(4),811-843.
MLA Y. B. Xu,et al."Shear localization in dynamic deformation: Microstructural evolution".Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science 39A.4(2008):811-843.
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