3D finite element analysis on strain uniformity during ECAP process

被引：15

作者：

Su, C. W. ^{[1
]}

Lu, L. ^{[1
]}

Lai, M. O. ^{[1
]}

机构：

[1] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2007年 / 23卷 / 06期

关键词：

ECAP; 3D finite element simulation; strain homogeneity;

D O I：

10.1179/174328407X179728

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The uniformity of plastic strain distribution in a workpiece after equal channel angular pressing (ECAP) was studied using finite element software ABAQUS in 3D. Processing parameters including the channel intersection angle Phi, channel outer curvature Psi, pressing speed, friction and processing route were varied to study their effects on strain homogeneity. It was found that a single ECAP pass was unable to produce homogenous strains in a workpiece although strain distribution can be improved by selecting the appropriate processing parameters. Multiple ECAP passes improved strain homogeneity significantly.

引用

页码：727 / 735

页数：9

共 18 条

[1]

[Anonymous], 1994, CRC HDB CHEM PHYS

[2]

BERDON P, 1999, METALL MATER TRANS A, V30, P1989

[3]

Brandes E, 1998, SMITHELLS LIGHT META

[4] Finite element modeling of equal channel angular pressing: Effect of material properties, friction and die geometry [J].

Dumoulin, S ;

Roven, HJ ;

Werenskiold, JC ;

Valberg, HS .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2005, 410 :248-251

[5] A TEST FOR INVESTIGATING THE LUBRICATION PROPERTIES OF SOLID LUBRICANTS IN COLD METAL-FORMING [J].

GOTO, Y ;

WAKASUGI, S ;

KOZAI, T .

JOURNAL OF MECHANICAL WORKING TECHNOLOGY, 1982, 6 (01) :51-62

[6] Principle of equal-channel angular pressing for the processing of ultra-fine grained materials [J].

Iwahashi, Y ;

Wang, JT ;

Horita, Z ;

Nemoto, M ;

Langdon, TG .

SCRIPTA MATERIALIA, 1996, 35 (02) :143-146

[7]

Kalpakjian Serope., 2006, MANUFACTURING ENG TE, V5/e

[8] A model investigation of the shearing characteristics in equal-channel angular pressing [J].

Kamachi, M ;

Furukawa, M ;

Horita, Z ;

Langdon, TG .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2003, 347 (1-2) :223-230

[9] Evaluation of strain rate during equal-channel angular pressing [J].

Kim, HS .

JOURNAL OF MATERIALS RESEARCH, 2002, 17 (01) :172-179

[10] Finite element analysis of equal channel angular pressing using a round corner die [J].

Kim, HS .

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2001, 315 (1-2) :122-128

← 1 2 →