Statistical analysis of grain boundary mobility in Al simulated using a modified synthetic driving force molecular dynamics method

被引：8
|
作者：
Yang, Liang [1 ]
Lai, Chunming [1 ]
Li, Saiyi [1 ,2 ]
机构：
[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China
[2] Minist Educ, Key Lab Nonferrous Met Mat Sci & Engn, Changsha 410012, Hunan, Peoples R China
来源：
MATERIALS LETTERS | 2018年 / 227卷
基金：
中国国家自然科学基金;
关键词：
Grain boundary mobility; Driving force; Misorientation; Boundary plane; Molecular dynamics; MISORIENTATION DEPENDENCE; MIGRATION; MOTION;
D O I：
10.1016/j.matlet.2018.05.044
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The intrinsic mobilities of a series of symmetrical tilt grain boundaries (GBs) in Al were simulated using a modified synthetic driving force method. Statistical analysis of the mobility data reveals that low-angle GBs are on average more mobile and show larger spread in their mobilities than high-angle GBs. GBs with axes broadly near < 111 > or boundary planes close to {1 1 0} have relatively high mobility. No visible correlation is found between GB mobility and energy. (C) 2018 Elsevier B.V. All rights reserved.
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页码：90 / 92
页数：3
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