Microstructure characterization of W-Cu alloy sheets produced by high temperature and high pressure deformation technique

被引：40

作者：

Chen, Wenge ^{[1
]}

Dong, Longlong ^{[1
]}

Zhang, Hui ^{[1
]}

Song, Jiulong ^{[1
]}

Deng, Nan ^{[1
]}

Wang, Jiaojiao ^{[1
]}

机构：

[1] Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Shaanxi, Peoples R China

来源：

MATERIALS LETTERS | 2017年 / 205卷

关键词：

Multi-HTHP; W-Cu alloy sheets; Microstructure; Particles; COMPOSITE POWDERS; GRAPHENE;

D O I：

10.1016/j.matlet.2017.06.090

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

W-Cu alloy sheets were fabricated in this study by multiple high temperature and high pressure (multiHTHP) deformation technique. Crystalline structures and phase composition of W-Cu alloy sheets were investigated by transmission electron microscopy and X-ray diffraction, respectively. Results showed that W-Cu alloys possessed only W and Cu phases without other intermediate phases or solid solution of W and Cu. But shape, size and distribution of the two phases were changed after multi-HTHP deformation. Phase composition was also found without any changes after the multi-HTHP deformation treatments. Additionally, W-Cu alloy sheets with a relative density of 99.97% can be successfully obtained by multi-HTHP techniques. Cu phases are closely surrounded by W particles to form a net-work structure and W particles were also refined during the process of multi-HTHP, as a result, W-Cu alloy sheets with a higher properties in electrical conductivity (Ec) and micro-hardness reach 46.8% IACS and 450 HV, respectively, was obtained. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：198 / 201

页数：4

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