THE INFLUENCE OF DIFFERENT TYPES OF MESODEFECTS ON THE FORMATION OF STRAIN INDUCED BROKEN DISLOCATION BOUNDARIES AT THE FACETED GRAIN BOUNDARY

被引：0
|
作者：
Kirikov, S. V. [1 ]
Svirina, J. V. [1 ]
机构：
[1] RAS, Mech Engn Res Inst, 85 Belinsky Str, Nizhnii Novgorod 603024, Russia
来源：
MATERIALS PHYSICS AND MECHANICS | 2018年 / 38卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
fragmentation; broken dislocation boundaries; mesodefects; computer simulation;
D O I：
10.18720/MPM.3812018_5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper we analyze mesodefects accumulating during plastic deformation on the faceted high angle grain boundaries. It is shown that the system of mesodefects can be represented as a set of linear mesodefects of the rotational type (junction disclinations), and planar mesodefects of the shear type (uniformly distributed dislocations with Burgers vector lying in the plane of the facet). The process of formation of broken dislocation boundaries in the elastic fields of various configurations of the abovementioned mesodefects is studied within the framework of computer simulation.
引用
收藏
页码：33 / 39
页数：7
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