Abstract
The effect of TaC, VC, Cr3C2, NbC, and TiN additives on the strength and hardness of sintered TiC-Mo2C-Ni hard metals was studied. The additive powder was mixed separately with the TiC-Mo2C-Ni base powder. The powder mixtures were then compacted and sintered in a vacuum. Experimental results showed that the transverse rupture strength of sintered hard metals was effectively promoted by adding the VC and TiN powders, respectively. However, no additives increased the hardness value of the base materials.
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