Tantalum carbide (TaC) is an extremely hard (Mohs hardess 9-10) refractory ceramic material. The hardness is only exceeded by diamond. It is a heavy, brown powder usually processed by sintering, and an important cermet material.
They are extremely hard , brittle,refractory ceramic materials with metallic electrical conductivity.
Tantalum carbides (TaC) is used to increase the performance of hard metal cutting tools that are very important due to their use in growth markets such as the automobile and aerospace industries. It is sometimes used as a fine-crystalline additive to tungsten carbide alloys.
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