Zirconium Carbide (ZrC) is a very tough refractory ceramic material. It is frequently processed by sintering. It's got the looks of the grey metallic powder with cubic crystal structure. Apart from crystal excellent, problems with the interface of SiC with silicon dioxide have hampered the development of SiC-primarily based ability https://franciscoffbnm.uzblog.net/helping-the-others-realize-the-advantages-of-black-silicon-carbide-48102444