TiB2-Cu interpenetrating phase composites produced by spark-plasma sintering

被引：0

作者：

Dudina, DV ^{[1
]}

Lomovsky, OI ^{[1
]}

Korchagin, MA ^{[1
]}

Kwon, YS ^{[1
]}

机构：

[1] RAS, SB, Inst Solid State Chem & Mechanochem, Novosibirsk 630128, Russia

来源：

KORUS 2003: 7TH KOREA-RUSSIA INTERNATIONAL SYMPOSIUM ON SCIENCE AND TECHNOLOGY, VOL 1 PROCEEDINGS: MACHINE PARTS AND MATERIALS PROCESSING | 2003年

关键词：

titanium diboride; copper matrix; interpenetrating phase composites; Spark-Plasma Sintering;

D O I：

暂无

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Interpenetrating phase composites of TiB2-Cu system were produced via Spark-Plasma Sintering (SPS) of nanocomposite powders. Under simultaneous action of pressure, temperature and electric current titanium diboride nanoparticles distributed in copper matrix move, agglomerate and form a fine-grained skeleton. Increasing SPS-ternperature and holding time promote densification due to local melting of copper matrix. When copper melting is avoided the compacts contain 17-20% porosity but titanium diboride skeleton is still formed representing the feature of SPS. High degree of densification and formation of titanium diboride network result in increased hardness of high-temperature SPS-compacts.

引用

页码：47 / 50

页数：4

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