Graphite, also called plumbago or black lead. Graphite has a layered structure that consists of rings of six carbon atoms arranged in widely spaced horizontal sheets. Graphite thus crystallizes in the hexagonal system, in contrast to the same element...

Carbon-carbon composite material is a material made of high strength carbon fiber and carbon matrix after the process of graphitization, it can be widely used in various types of structures, heaters and containers under high temperature environments....