Dislocation Substructures Formed After Fracture of Deformed Polycrystalline Cu-Al Alloys

被引：1

作者：

Koneva, N. A. ^{[1
]}

Trishkina, L. I. ^{[1
]}

Cherkasova, T. V. ^{[1
]}

机构：

[1] Tomsk State Univ Architecture & Bldg, Tomsk, Russia

来源：

RUSSIAN PHYSICS JOURNAL | 2017年 / 60卷 / 04期

关键词：

Cu-Al alloys; polycrystal; dislocation; substructure; deformation; fracture;

D O I：

10.1007/s11182-017-1110-y

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The paper deals with the dislocation substructure of polycrystalline FCC alloys modified by plastic deformation at a distance from the area of the specimen fracture. Observations are performed using the transmission electron microscopy. Cu-Al alloys with grain size ranging from 10 to 240 mu m are studied in this paper. The parameters of the dislocation substructure are measured and their variation is determined by the increasing distance from the fracture area. It is shown how the grain size influences these processes. The different dislocation substructures which determine the specimen fracture at a mesocscale level are found herein.

引用

页码：570 / 576

页数：7

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