Properties and consolidation of nanocrystalline WSi2-SiC composite from mechanically activated powders by pulsed current activated combustion synthesis

Title
Properties and consolidation of nanocrystalline WSi2-SiC composite from mechanically activated powders by pulsed current activated combustion synthesis
Authors
손인진박정환고인용도정만윤진국남기석
Keywords
Mechanical properties; Pulsed current activated combustion; Compoiste materials; Nanophase; WSi2-SiC
Issue Date
2011-07
Publisher
Ceramics international
Citation
VOL 37, NO 5, 1549-1555
Abstract
Dense nanostructured WSi2–SiC composite was synthesized by pulsed current activated combustion synthesis method within 2 min in one step from mechanically activated powders of WC and 3Si. Simultaneous combustion synthesis and consolidation were accomplished under the combined effects of a pulsed current and mechanical pressure. Highly dense WSi2–SiC with relative density of up to 99.8% was produced under simultaneous application of a 80 MPa pressure and the pulsed current. The average grain size and mechanical properties of the composite were investigated.
URI
http://pubs.kist.re.kr/handle/201004/39714
ISSN
0272-8842
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KIST Publication > Article
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