期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 504, 期 2, 页码 548-551出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2010.06.009
关键词
Powder technology; Composite materials; Sintering; Nanomaterials; Mechanical properties
资金
- National Research Council of Science & Technology (NST), Republic of Korea [2E21660] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A dense nanostructured 5TaSi(2)-SiC-Si3N4 composite was synthesized by the high-frequency induction-heated combustion synthesis (HFIHCS) method within 1 min in one step from mechanically activated powders of 4TaN, TaC and 14Si. Simultaneous combustion synthesis and densification were accomplished under the combined effects of the induced current and mechanical pressure. A highly dense 5TaSi(2)-SiC-Si3N4 composite with relative density of up to 96% was produced under the simultaneous application of a pressure of 60 MPa and the induced current. The average grain size and mechanical properties (hardness and fracture toughness) of the composite were investigated. (C) 2010 Elsevier B.V. All rights reserved.
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