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
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页码：47 / 50
页数：4
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