IMECH-IR  > 非线性力学国家重点实验室
Macroscopic tensile plasticity of Zr-based bulk metallic glass with surface screw thread shaped structure
Gao M; Wang C; Dong J; Xun Y(郇勇); Bai HY; Wang WH(汪卫华); Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
2016
Volume673Pages:417-422
ISSN0921-5093
AbstractZr-based bulk metallic glass (BMG) dog-bone-shaped tensile specimens with designed screw thread shaped (STS) structures fabricated by mechanical turning were tested under uniaxial tensile loading. Obvious macroscopic tensile plasticity and serrated flow behavior appear when the typical size of STS structures-the depth reaches the intrinsic plastic zone size for MGs. Finite element analysis show the introduced STS structure twists the stress field distribution and then hampers the main shear band propagation and promotes the formation of multiple shear bands, which improve the tensile plasticity. The proposed STS designing scheme may shed light on the deformation mechanism and be helpful for structural application of BMGs. (C) 2016 Elsevier B.V. All rights reserved.
KeywordBulk Metallic Glass Surface Screw Thread Shaped Structure Macroscopic Tensile Plasticity Multiple Shear Bands Stress Field Torsion
DOI10.1016/j.msea.2016.07.024
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000382410000046
WOS KeywordBulk metallic glass ; Surface screw thread shaped structure ; Macroscopic tensile plasticity ; Multiple shear bands ; Stress field torsion
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationThe work is supported by the NSF of China (Grant Nos. 51271195, 51461165101 and 11372323) and the MOST 973 Program (No. 2015CB856800). The discussions and experimental help of D.Q. Zhao, and valuable discussions with Prof. M.X. Pan are appreciated.
DepartmentLNM实验平台
Classification一类
RankingTrue
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/59749
Collection非线性力学国家重点实验室
Corresponding AuthorWang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Gao M,Wang C,Dong J,et al. Macroscopic tensile plasticity of Zr-based bulk metallic glass with surface screw thread shaped structure[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2016,673:417-422.
APA Gao M.,Wang C.,Dong J.,郇勇.,Bai HY.,...&Wang, WH .(2016).Macroscopic tensile plasticity of Zr-based bulk metallic glass with surface screw thread shaped structure.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,673,417-422.
MLA Gao M,et al."Macroscopic tensile plasticity of Zr-based bulk metallic glass with surface screw thread shaped structure".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 673(2016):417-422.
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