Effects of textures on anisotropy of mechanical behaviors of cold-rolled and annealed Cu sheets under compressive loading

被引：0

作者：

Wang R. ^{[1
]}

Chen Z. ^{[1
]}

Shao J. ^{[1
]}

Xiao Z. ^{[1
]}

Liu C. ^{[1
]}

Tang J. ^{[1
]}

机构：

[1] School of Materials Science and Engineering, Central South University, Changsha

来源：

Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2019年 / 50卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Anisotropy; Compressive mechanical behaviors; Cu sheets; Dynamic deformation; Solid mechanics; Strength factor; Texture;

D O I：

10.11817/j.issn.1672-7207.2019.06.007

中图分类号：

学科分类号：

摘要：

Cylindrical specimens of cold rolled and annealed Cu sheets with initial textures were obtained along the 0°, 45° and 90° directions (the samples were marked as RD-0°, RD-45°, RD-90°, respectively). The samples were compressed by means of Instron apparatus and Split-Hopkinson pressure bar technology, respectively. The quasi-static and dynamic compressive mechanical behavior anisotropy of textured polycrystalline Cu sheets was investigated. The results show that compressive mechanical behaviors of annealed sheet for different directions samples display little difference. In contrast, the behaviors of cold-rolled Cu sheet exhibits pronounced anisotropy, both the yield strength and flow stress for the RD-90° sample are the maximum while those for the RD-0° sample are the minimum. The initial textures of the cold-rolled and anneal sheets are transformed into a series of individual orientations in Euler space, respectively. The strength factors for different orientations are calculated based on the polycrystalline deformation model. The results can qualitatively explain the strength difference among different directions of textured polycrystalline Cu sheets. © 2019, Central South University Press. All right reserved.

引用

页码：1314 / 1319

页数：5

共 23 条

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