Extraordinary creep relaxation time in a La-based metallic glass
文献类型：期刊论文
| 作者 | Zhang M(张猛); Chen Y(陈艳); Wei D ; Dai LH(戴兰宏)
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| 刊名 | JOURNAL OF MATERIALS SCIENCE
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| 出版日期 | 2018-02-01 |
| 卷号 | 53期号:4页码:2956-2964 |
| ISSN号 | 0022-2461 |
| DOI | 10.1007/s10853-017-1725-y |
| 英文摘要 | The structural relaxation times of metallic glasses (MGs) are generally believed to decrease with increasing flow rate, also known as shear thinning. In this work, an extraordinary loading rate-independent creep relaxation time, in contrast to the decreasing Maxwell relaxation time with increasing loading rate, is observed for a La-based MG with pronounced Johari-Goldstein relaxation under nanoindentation. The Johari-Goldstein relaxation in the flow of MGs is suggested to be a form of local Newtonian flow and may be not crucial in shear thinning, whereas the main alpha relaxation is proposed to predominate in the shear thinning of MGs, based on the disparity between the creep relaxation time and the Maxwell relaxation time. These results improve the current understandings on the structural relaxation and its role in the shear thinning and plastic deformation of MGs. |
| 分类号 | 二类 |
| URL标识 | 查看原文 |
| WOS关键词 | JOHARI-GOLDSTEIN RELAXATION ; SHEAR TRANSFORMATION ZONE ; NANOINDENTATION CREEP ; INDENTATION CREEP ; ROOM-TEMPERATURE ; BEHAVIOR ; DEFORMATION ; FLOW ; TRANSITION ; LIQUID |
| WOS研究方向 | Materials Science, Multidisciplinary |
| 语种 | 英语 |
| WOS记录号 | WOS:000416544500054 |
| 资助机构 | National Nature and Science Foundation of China [11472287, 11572324] ; Key Research Program of Frontier Sciences [QYZDJSSW-JSC011] ; Chinese Academy of Sciences [XDB22040302, XDB22040303] ; State Key Laboratory of Nonlinear Mechanics [LNM201718] |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/77881]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 作者单位 | 1.[Zhang, M.] Jinan Univ, Inst Adv Wear & Corros Resistant & Funct Mat, Guangzhou 510632, Guangdong, Peoples R China 2.[Zhang, M. 3.Chen, Y. 4.Wei, D. 5.Dai, L. H.] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China 6.[Chen, Y. 7.Wei, D. 8.Dai, L. H.] Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang M,Chen Y,Wei D,et al. Extraordinary creep relaxation time in a La-based metallic glass[J]. JOURNAL OF MATERIALS SCIENCE,2018,53(4):2956-2964. |
| APA | 张猛,陈艳,Wei D,&戴兰宏.(2018).Extraordinary creep relaxation time in a La-based metallic glass.JOURNAL OF MATERIALS SCIENCE,53(4),2956-2964. |
| MLA | 张猛,et al."Extraordinary creep relaxation time in a La-based metallic glass".JOURNAL OF MATERIALS SCIENCE 53.4(2018):2956-2964. |
入库方式： OAI收割
来源：力学研究所
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