Ceramics
Ceramic or ceramic (English: Ceramic) refers to ceramics in a narrow sense, but in a broad sense it refers to a sintered compact that has baked inorganic matter. Regardless of metal or nonmetal, it is used as a generic term for inorganic solid materials such as semiconductors such as silicon, molded articles of inorganic compounds such as carbides, nitrides, borides and the like, powders, and membranes. There may be more than one raw material. A material mainly taking powder form and being difficult to form as it is, for example, a sintered body of aluminum oxide is ceramics. In general, however, pure metals and alloys alone do not become "sintered bodies", so they are not called ceramics. ...