Process for preparing silicon carbide by carbothermal reduction

U.S. Patent Number: 5340417

Abstract: A process for preparing silicon carbide by carbothermal reduction is disclosed. This process involves rapidly heating a particulate reactive mixture of a silica source and a carbon source to form a product which shows improved uniformity of crystal size. The product of this process can be used to form a densified part.

Inventors: Weimer; Alan W. (Midland, MI), Moore; William G. (Midland, MI), Rafaniello; William (Midland, MI), Roach; Raymond P. (Midland, MI)

Assignee: The Dow Chemical Company (Midland, MI)

Application Number: 07/720,759

Issued: 1994-08-23

Expired: 2006-08-23

Classes: 148/513 ; 423/346; 501/88

Field of search: 148/513 423/346,345 501/88

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