Ti(C, N)-Based Cermets with Two Kinds of Core-Rim Structures Constructed by β-Co Microspheres

Ti(C, N)-Based Cermets with Two Kinds of Core-Rim Structures Constructed by β-Co Microspheres

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Ti(C, N)-based cermet materials represent the best choice of materials for the manufacturing industry and military products.In this study, we use cubic β-cobalt(β-Co) as the binder phase to strengthen constructed cermets.At the same time, to optimize the microstructure, (Ti, W, Mo, Ta) (C, N) powders are added to Puzzle form two kinds of core-rim morphologies.Here, β-cobalt powders with face-centered cubic structures are obtained by the solid-phase reaction of high-energy ball milling.

A solid-phase chemical reaction and a carbothermic reduction-nitridation method are used to prepare the (Ti, W, Mo, Ta) (C, N) powders.In our process, first we mix the cobalt and (Ti, W, Mo, Ta) (C, N) powders; then we press the powder mixtures into rectangular samples and sinter them in a pressure sintering furnace to obtain Ti(C, N)-based cermets with two kinds of core-rim structure, that is, black core/white rim and white Desktop Vaporizers core/gray rim.The results show that the new cermets demonstrate excellent toughness and performance.