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Cooperative Shear in Bulk Metallic Glass Composites Containing Metastable beta-Ti Dendrites
Zhang, L.1; Narayan, R. L.2; Sun, B. A.3; Yan, T. Y.1; Ramamurty, U.4; Eckert, J.5,6; Zhang, H. F.1
Corresponding AuthorZhang, H. F.(hfzhang@imr.ac.cn)
2020-07-28
Source PublicationPHYSICAL REVIEW LETTERS
ISSN0031-9007
Volume125Issue:5Pages:6
AbstractWe report a novel plastic deformation mechanism of bulk metallic glass composites (BMGCs) containing metastable beta-Ti dendrites. Plastic deformation of the BMGCs beyond the ultimate tensile strength is mediated by cooperative shear events, which comprise a shear band in the glassy matrix and a continuous omega-Ti band with a thickness of similar to 10 nm in the beta-Ti dendrite. The cooperative shear leads to serrated shear avalanches. The formation of narrow omega-Ti bands is caused by high local strain rates during the cooperative shear. The cooperative shear mechanism enriches the deformation mechanisms of BMGCs and also deepens the understanding of omega-Ti formation.
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Liaoning Revitalization Talents Program ; Chinese Academy of Sciences ; European Research Council (ERC) under the ERC Advanced Grant INTELHYB ; Ji Hua Laboratory in Foshan, China
DOI10.1103/PhysRevLett.125.055501
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2018YFB0703402] ; National Natural Science Foundation of China[51701213] ; National Natural Science Foundation of China[51790484] ; National Natural Science Foundation of China[51822107] ; Liaoning Revitalization Talents Program[XLYC1802078] ; Chinese Academy of Sciences[ZDBS-LY-JSC023] ; European Research Council (ERC) under the ERC Advanced Grant INTELHYB[ERC-2013-ADG-340025] ; Ji Hua Laboratory in Foshan, China
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000552901800015
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140055
Collection中国科学院金属研究所
Corresponding AuthorZhang, H. F.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Indian Inst Technol Delhi, Dept Mat Sci & Technol, Delhi 110016, India
3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
4.Nanyang Technol Univ, Dept Mech & Aerosp Engn, Singapore 637331, Singapore
5.Austrian Acad Sci, Erich Schmid Inst Mat Sci, A-8700 Leoben, Austria
6.Univ Leoben, Dept Mat Sci, Chair Mat Phys, A-8700 Leoben, Austria
Recommended Citation
GB/T 7714
Zhang, L.,Narayan, R. L.,Sun, B. A.,et al. Cooperative Shear in Bulk Metallic Glass Composites Containing Metastable beta-Ti Dendrites[J]. PHYSICAL REVIEW LETTERS,2020,125(5):6.
APA Zhang, L..,Narayan, R. L..,Sun, B. A..,Yan, T. Y..,Ramamurty, U..,...&Zhang, H. F..(2020).Cooperative Shear in Bulk Metallic Glass Composites Containing Metastable beta-Ti Dendrites.PHYSICAL REVIEW LETTERS,125(5),6.
MLA Zhang, L.,et al."Cooperative Shear in Bulk Metallic Glass Composites Containing Metastable beta-Ti Dendrites".PHYSICAL REVIEW LETTERS 125.5(2020):6.
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