Deformation and Recrystallization Textures in Cross-Rolled Copper Sheet

Author:

Hong Seung-Hyun1,Lee Dong Nyung2

Affiliation:

1. Research and Development Center, Union Steel MFG. Co., Ltd., 588-1 Gamman-dong, Nam-gu, Busan 608-070, Korea

2. School of Materials Science and Engineering, Seoul National University, San 56-1, Shinrim-dong, Gwanak-gu, Seoul 151-742, Korea

Abstract

A study has been made of the deformation and recrystallization textures of 99.99% pure copper sheets which were cross rolled by 82 and 96% reduction in thickness and recrystallized in a salt bath at 450°C for 1h. The deformation texture was approximated by the {011}〈755〉 orientation as the major component and {001}〈100〉 as a minor component. These deformation texture components were well simulated using the rate sensitive relaxed constraints model. The {001}〈100〉 orientation was calculated to be metastable while the {011}〈755〉 orientation was located in the middle of the rotation path between the stable orientations in two cross rolling directions. The recrystallization texture in the center layer of the 96% cross-rolled copper sheet was approximated by {86 50 9}〈10 34 94〉 for each rolling direction. The evolution of the recrystallization texture was discussed based on the strain energy release maximization model.

Publisher

ASME International

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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