Archive for July 15th, 2009

Silicon carbide Powder Preparation

Wednesday, July 15th, 2009

Silicon carbide, a very important industrial application advanced ceramic raw material is prepared from silica and carbon. Silicon carbide exists in two modifications

Alpha form of hexagonal and rhombohedral poly types.
Beta form of cubic

Beta silicon carbide is considered as the low temperature phase and it converts into alpha form above 2000.C. However during […]