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Nonlinear tensile deformation behavior of small-sized metallic glasses
Wu, Y; Li, HX; Chen, GL; Hui, XD; Wang, BY; Lu, ZP
2009
发表期刊SCRIPTA MATERIALIA
卷号61期号:6页码:564-567
通讯作者[Wu, Y. ; Li, H. X. ; Chen, G. L. ; Hui, X. D. ; Lu, Z. P.] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China ; [Wang, B. Y.] Chinese Acad Sci, Inst High Energy Phys, Key Lab Nucl Anal Tech, Beijing 100049, Peoples R China
文章类型Article
摘要Unusual nonlinear deformation behavior with irreversible elongation has been observed in micrometer sized Co-based amorphous wires, and our analysis indicated that this nonlinear deformation is related to the formation of sub-nanometer voids coalesced from flow defects under the tensile stress. Amorphous wires with smaller diameters exhibit a lower apparent yield point, and the smaller shear transformation zone energy barriers associated with faster cooling rates applied during the fabrication process of these wires are responsible for their earlier apparent yielding and resultant elongation. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
关键词Metallic glasses Tension test Positron annihilation Irreversible elongation Size effect
学科领域Science & Technology - Other Topics; Materials Science; Metallurgy & Metallurgical Engineering
DOI10.1016/j.scriptamat.2009.05.027
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语种英语
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号WOS:000268371900003
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237971
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Wu, Y,Li, HX,Chen, GL,et al. Nonlinear tensile deformation behavior of small-sized metallic glasses[J]. SCRIPTA MATERIALIA,2009,61(6):564-567.
APA Wu, Y,Li, HX,Chen, GL,Hui, XD,Wang, BY,&Lu, ZP.(2009).Nonlinear tensile deformation behavior of small-sized metallic glasses.SCRIPTA MATERIALIA,61(6),564-567.
MLA Wu, Y,et al."Nonlinear tensile deformation behavior of small-sized metallic glasses".SCRIPTA MATERIALIA 61.6(2009):564-567.
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