The injection of a screw dislocation into a crystal: Atomistics vs. continuum elastodynamics

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• 作者：J. Verschueren^a ; ¹ ; ^{jonas.verschueren10@imperial.ac.uk} ; B. Gurrutxaga-Lerma^b ; ^c ; ¹ ; D.S. Balint^b ; D. Dini^b ; A.P. Sutton^d
• 关键词：Screw dislocation ; Edge dislocation ; Injection ; Elastodynamics ; Molecular dynamics
• 刊名：Journal of the Mechanics and Physics of Solids
• 出版年：2017
• 出版时间：January 2017
• 年：2017
• 卷：98
• 期：Complete
• 页码：366-389
• 全文大小：2206 K
• 卷排序：98

文摘

A methodology for injecting edge and screw dislocations in an atomistic (molecular dynamics) setting is developed. Core effects hitherto unreported in the literature (emissions from the cut surface, out-of-plane effects). An elastodynamic interpretation of the injection process is developed.