Machine learning atomic-scale stiffness in metallic glass | |
Peng ZH(彭正瀚)1,2; Yang ZY(杨增宇)1,3; Wang YJ(王云江)1,3 | |
通讯作者 | Wang, Yun-Jiang(yjwang@imech.ac.cn) |
发表期刊 | EXTREME MECHANICS LETTERS |
2021-10-01 | |
卷号 | 48页码:5 |
ISSN | 2352-4316 |
摘要 | Due to lack of either translational or rotational symmetries at atomic-scale, predicting properties of amorphous materials from static structure is a challenging task. To circumvent the dilemma, a supervised machine-learning strategy via neural network is proposed to predict the atomic stiffness of metallic glass from discretized radial distribution function. The predicted stiffness and its spatial nature are calibrated with molecular dynamics simulations. After which, the origin of atomic constraint is interpreted via the learning structural input. Inadequacy of the model is discussed in terms of incompleteness in both machine-learning configurational space and structural descriptor. (C) 2021 Elsevier Ltd. All rights reserved. |
关键词 | Metallic glass Machine learning Atomic stiffness Molecular dynamics |
DOI | 10.1016/j.eml.2021.101446 |
收录类别 | SCI ; EI |
语种 | 英语 |
WOS记录号 | WOS:000686901700002 |
关键词[WOS] | MECHANICAL-BEHAVIOR ; DYNAMICS ; DEFORMATION ; RELAXATION ; SIMULATION ; DEFECTS ; ENTROPY ; FLOW |
WOS研究方向 | Engineering ; Materials Science ; Mechanics |
WOS类目 | Engineering, Mechanical ; Materials Science, Multidisciplinary ; Mechanics |
资助项目 | National Key Research and Development Program of China[2017YFB0701502] ; National Key Research and Development Program of China[2017YFB0702003] ; National Natural Science Foundation of China[12072344] ; National Natural Science Foundation of China[11790292] ; Youth Innovation Promotion Association of Chinese Academy of Sciences, China[2017025] |
项目资助者 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; Youth Innovation Promotion Association of Chinese Academy of Sciences, China |
论文分区 | 一类 |
力学所作者排名 | 1 |
RpAuthor | Wang, Yun-Jiang |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/87261 |
专题 | 非线性力学国家重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China; 2.Sichuan Univ, Coll Mat Sci & Engn, Chengdu 610065, Peoples R China; 3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Peng ZH,Yang ZY,Wang YJ. Machine learning atomic-scale stiffness in metallic glass[J]. EXTREME MECHANICS LETTERS,2021,48:5. |
APA | 彭正瀚,杨增宇,&王云江.(2021).Machine learning atomic-scale stiffness in metallic glass.EXTREME MECHANICS LETTERS,48,5. |
MLA | 彭正瀚,et al."Machine learning atomic-scale stiffness in metallic glass".EXTREME MECHANICS LETTERS 48(2021):5. |
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