Tantalum(IV) carbide is widely used in the production of cutting tools and wear-resistant coatings due to its exceptional hardness and high melting point. It is often incorporated into composites to enhance their mechanical properties, making them suitable for extreme environments such as aerospace and military applications. Additionally, it serves as a key material in the manufacturing of crucibles and furnace components, where high thermal stability and resistance to chemical corrosion are essential. Its use in electronic components, particularly as a thin film in semiconductors, is also notable for improving performance in high-temperature and high-power devices.