Abstract

Ti(CN) ceramics with 0-2mol% WC were prepared by sintering in a flowing nitrogen environment at 1973 and 2073K for 3.6ks. Part of the WC particles were dissolved in the liquid, and triggered a faster sintering. As the WC content increased, the grain size initially increased, and then decreased due to increasing number of WC particles surviving dissolution. The flexural strength was inversely related to the grain size. The hard ness of Ti(CN)-2mol% WC sample was increased by a post-sintering heat treatment in an argon environment.

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