Crossover from stochastic activation to cooperative motions of shear transformation zones in metallic glasses
文献类型：期刊论文
| 作者 | Jiao, W ; Sun, BA ; Wen, P ; Bai, HY ; Kong, QP ; Wang, WH |
| 刊名 | APPLIED PHYSICS LETTERS
 |
| 出版日期 | 2013 |
| 卷号 | 103期号:8 |
| ISSN号 | 0003-6951 |
| 通讯作者 | Wang, WH (reprint author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | We observe that the stress relaxation of metallic glasses below glass transition temperatures presents a universal double power-law decay behavior, indicating that relaxation dynamics transforms from a fast mode to a slow mode. This is attributed to a crossover from the stochastic activation to the self-organized cooperative motion of localized shear transformation zones. The phenomenon is further confirmed via strain recovery experiments and illustrated by a stochastic model. The results demonstrate that the plastic deformation exhibits the hallmarks of critical phenomenon, and offer a picture on the onset of deformation and evolution of relaxations in metallic glasses. (C) 2013 AIP Publishing LLC. |
| 资助信息 | NSF of China [51271195, 11274353] |
| 语种 | 英语 |
| 公开日期 | 2014-01-16 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/56853]  |
| 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 | Jiao, W,Sun, BA,Wen, P,et al. Crossover from stochastic activation to cooperative motions of shear transformation zones in metallic glasses[J]. APPLIED PHYSICS LETTERS,2013,103(8). |
| APA | Jiao, W,Sun, BA,Wen, P,Bai, HY,Kong, QP,&Wang, WH.(2013).Crossover from stochastic activation to cooperative motions of shear transformation zones in metallic glasses.APPLIED PHYSICS LETTERS,103(8). |
| MLA | Jiao, W,et al."Crossover from stochastic activation to cooperative motions of shear transformation zones in metallic glasses".APPLIED PHYSICS LETTERS 103.8(2013). |
入库方式： OAI收割
来源：物理研究所
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