HoC2

HoC₂ is a refractory ceramic carbide compound belonging to the family of transition metal carbides, characterized by exceptional hardness and thermal stability at extreme temperatures. This material is primarily of research and specialized industrial interest, used in applications demanding resistance to thermal shock, oxidation, and mechanical wear in ultra-high-temperature environments such as aerospace propulsion systems, cutting tools, and wear-resistant coatings. Compared to more common carbides like tungsten carbide or titanium carbide, holmium carbide offers unique thermal properties and potential for advanced applications in next-generation thermal protection systems, though it remains less widely adopted in mainstream engineering due to limited production scale and higher costs.