Deformation behavior of copper during a high pressure torsion process

被引：53

作者：

Kim, HS ^{[1
]}

Hong, SI

Lee, YS

Dubravina, AA

Alexandrov, IV

机构：

[1] Chungnam Natl Univ, Dept Engn Met, Taejon 305764, South Korea

[2] Chungnam Natl Univ, Dept Mech Design Engn, Taejon 305764, South Korea

[3] Ufa State Aviat Tech Univ, Inst Phys Adv Mat, Ufa 450000, Russia

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2003年 / 142卷 / 02期

关键词：

high pressure torsion process; finite element analysis; copper; plastic deformation;

D O I：

10.1016/S0924-0136(03)00590-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Deformation behavior of pure copper during the high pressure torsion (HPT) process has been analyzed using the elasto-plastic finite element method. The thickness of the workpiece decreased with distance from the center because of the higher compressive plastic stress in the center compared to the outer part during the loading state and the elastic recovery during unloading. The circumferential displacement decreases with the distance from the center because of the 'friction hill' of the surface normal stress. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：334 / 337

页数：4

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