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Using pulsed current activated sintering method, the densification of binderless WC and WC–xwt.%Co (x=8, 10, 12) hard materials were accomplished using ultra fine powder of WC and WC–Co. Nearly fully dense WC and WC–Co with a relative density of up to 99.2% could be obtained with simultaneous application of 60MPa pressure and electric current within 2min without significant change in grain size. The...
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