The dependence of shear modulus on dynamic relaxation and evolution of local structural heterogeneity in a metallic glass
文献类型：期刊论文
| 作者 | Huo, LS ; Zeng, JF ; Wang, WH ; Liu, CT ; Yang, Y |
| 刊名 | ACTA MATERIALIA
 |
| 出版日期 | 2013 |
| 卷号 | 61期号:12页码:4329 |
| 关键词 | Metallic glass Elastic modulus Structural heterogeneity Nanoindentation |
| ISSN号 | 1359-6454 |
| 通讯作者 | Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | Starting from the nanoscale structural heterogeneities intrinsic to metallic glasses (MGs), here we show that there are two concurrent contributions to their microscale quasi-static shear modulus G(I): one (mu) is related to the atomic bonding strength of solid-like regions and the other (G(II)) to the change in the possible configurations of liquid-like regions (dynamic relaxation). Through carefully designed high-rate nanoscale indentation tests, a simple constitutive relation (mu = G(I) + G(II)) is experimentally verified. On a fundamental level, our current work provides a structure property correlation that may be applicable to a wide range of glassy materials. (C) 2013 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. |
| 资助信息 | MOST 973 of China [2010CB731603]; NSF of China [50921091, 51271195]; Research Grant Council (RGC), the Hong Kong Government [CityU530711, CityU522110] |
| 语种 | 英语 |
| 公开日期 | 2014-01-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/57565]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Huo, LS,Zeng, JF,Wang, WH,et al. The dependence of shear modulus on dynamic relaxation and evolution of local structural heterogeneity in a metallic glass[J]. ACTA MATERIALIA,2013,61(12):4329. |
| APA | Huo, LS,Zeng, JF,Wang, WH,Liu, CT,&Yang, Y.(2013).The dependence of shear modulus on dynamic relaxation and evolution of local structural heterogeneity in a metallic glass.ACTA MATERIALIA,61(12),4329. |
| MLA | Huo, LS,et al."The dependence of shear modulus on dynamic relaxation and evolution of local structural heterogeneity in a metallic glass".ACTA MATERIALIA 61.12(2013):4329. |
入库方式： OAI收割
来源：物理研究所
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