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Atomic scale modeling of interstitial loop-induced strengthening in nickel
Zhou, Gang; Wang, Shuiyong; Zhang, Yanwei; Ren, Cuilan; Wang, Hao; Hu, Qing-Miao; Xue, Fei; Yang, Rui
2019-08-01
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
ISSN0168-583X
Volume452Pages:36-39
AbstractAtomic-scale simulations are performed to investigate the interaction between prismatic interstitial loops and moving dislocations in nickel. Depending on their relative position, a loop either drags a dislocation elastically or decorates a dislocation with jogs, resulting in a systematic change of the critical stress for subsequent dislocation glide. Loop-decoration significantly reduces the mobility of a dislocation, and the critical shear stress can increase up to ten times larger than the conventional Peierls stress. This work presents the atomic-scale details of loop-dislocation interaction, thus providing reliable information for parameterizing debris-dislocation interaction in meso- or macro-scale simulations.
KeywordPlasticity Interstitial loop Dislocation Modeling Hardening
Indexed BySCI
Language英语
WOS IDWOS:000473118300007
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80869
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhou, Gang,Wang, Shuiyong,Zhang, Yanwei,et al. Atomic scale modeling of interstitial loop-induced strengthening in nickel[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2019,452:36-39.
APA Zhou, Gang.,Wang, Shuiyong.,Zhang, Yanwei.,Ren, Cuilan.,Wang, Hao.,...&Yang, Rui.(2019).Atomic scale modeling of interstitial loop-induced strengthening in nickel.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,452,36-39.
MLA Zhou, Gang,et al."Atomic scale modeling of interstitial loop-induced strengthening in nickel".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 452(2019):36-39.
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