EQUILIBRIUM DISLOCATION STRUCTURES AT GRAIN BOUNDARIES IN SUBSURFACE AREAS OF POLYCRYSTALLINE GRAPHENE AND ULTRAFINE-GRAINED METALS

被引：0
|
作者：
Konakov, Ya. V. [1 ,3 ]
Ovid'ko, I. A. [1 ,2 ,3 ]
Sheinerman, A. G. [1 ,2 ,3 ]
机构：
[1] Russian Acad Sci, Inst Problems Mech Engn, Bolshoj 61, St Petersburg 199178, Russia
[2] St Petersburg State Univ, Dept Math & Mech, St Petersburg 198504, Russia
[3] St Petersburg State Polytech Univ, Res Lab Mech New Nanomat, St Petersburg 195251, Russia
来源：
REVIEWS ON ADVANCED MATERIALS SCIENCE | 2014年 / 37卷 / 1-2期
关键词：
SEVERE PLASTIC-DEFORMATION; STRENGTH; NANOCRYSTALLINE;
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A theoretical model is suggested which describes distribution of grain boundary (GB) dislocations at GBs located in subsurface areas of polycrystalline graphene and ultrafine-grained metals. Within the suggested model, spatial distribution of GB dislocations - basic structural units of GBs - are theoretically revealed as those depending on the presence of triple junction disclinations in polycrystalline graphene and ultrafine-grained metals.
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页码：83 / 89
页数：7
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