Properties and rapid consolidation of ultra-hard tungsten carbide

Title
Properties and rapid consolidation of ultra-hard tungsten carbide
Authors
손인진김병량도정만윤진국우기도
Keywords
Nanostructured materials; Powder metallurgy; Mechanical propeties; Sintering
Issue Date
2010-01
Publisher
Journal of alloys and compounds
Citation
VOL 489, NO 1, L4-L8
Abstract
Extremely dense WC with a relative density of up to 99% was obtained within 3 min under a pressure of 80 MPa using the high frequency induction heating sintering method (HFIHS) method. The average grain size of the WC was about 87 nm. The advantage of this process is not only rapid densification to obtain a near theoretical density but also the prohibition of grain growth in nanostructured materials. The hardness and fracture toughness of the dense WC produced by the HFIHS were investigated.
URI
http://pubs.kist.re.kr/handle/201004/36886
ISSN
0925-8388
Appears in Collections:
KIST Publication > Article
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