Abstract

One of the main problems encountered in development of cemented carbides is obtaining the optimum combination of hardness, wear resistance, high-temperature strength, and heat resistance with toughness of the material. Frequently it is solved by creation of a structure in which each refractory particle is surrounded by a layer of binder metal. Methods of liquid-phase sintering and self-propagating high-temperature synthesis (SHS) with subsequent strong compacting of the reaction products may be used for this purpose. The properties of materials produced by this method are determined primarily by the properties of the metal binder.

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