Densification behavior, mechanical and electrical properties of in-situ TiB2p/Cu composite powder via vacuum hot pressing

被引：5
|
作者：
Shi, Hao [1 ,2 ,3 ]
Cao, Fei [1 ,2 ,3 ]
Zhang, Haidong [1 ,2 ,3 ]
Wang, Tongle [1 ,2 ,3 ]
Gao, Huaibao [1 ,2 ,3 ]
Wen, Binbin [1 ,2 ,3 ]
Zou, Juntao [1 ,2 ,3 ]
Jiang, Yihui [1 ,2 ,3 ]
Liang, Shuhua [1 ,2 ,3 ]
机构：
[1] Xian Univ Technol, Sch Mat Sci & Engn, Xian 710048, Shaanxi, Peoples R China
[2] Minist Educ, Engn Res Ctr Conducting Mat & Composite Technol, Xian 710048, Shaanxi, Peoples R China
[3] Shaanxi Prov Key Lab Elect Mat & Infiltrat Technol, Xian 710048, Shaanxi, Peoples R China
来源：
MATERIALS CHARACTERIZATION | 2023年 / 202卷
基金：
中国国家自然科学基金;
关键词：
TiB; 2p; Cu composite powder; Vacuum hot pressing; Densification behavior; Tensile strength; Conductivity; CU; MICROSTRUCTURE; DISPERSION; PRESSURE; COPPER; CONSOLIDATION; PARTICLES; KINETICS; GROWTH;
D O I：
10.1016/j.matchar.2023.113004
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The spherical TiB2p/Cu composite powder was prepared first by in-situ reaction coupled with the gas atomization method, then the bulk TiB2p/Cu composites with diffusely distributed sub-micron TiB2p were prepared by vac-uum hot pressing (VHP). The densification behavior of in-situ TiB2p/Cu composite powder compacts during sintering was investigated, indicating that the existence of TiB2p inhibits the densification. The ultimate tensile strength, conductivity and relative density of the sintered TiB2p/Cu composite are 400 MPa, 89.7% IACS and 99.7%, respectively, and the reasons for the high strength and conductivity of the composites were discussed. This work is expected to provide a technically viable solution for the preparation of high-performance TiB2p/Cu composite by VHP with in-situ composite powder.
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页数：9
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