Accession Number : ADA195693

Title :   Processing Technology Research in Composites.

Descriptive Note : Final rept. 1 Oct 86-30 Sep 87,

Corporate Author : RENSSELAER POLYTECHNIC INST TROY NY

Personal Author(s) : Diefendorf, Russell J

PDF Url : ADA195693

Report Date : 31 Dec 1987

Pagination or Media Count : 6

Abstract : Chemical vapor deposition has been used for over fifteen years for depositing carbon matrices in carbon/carbon composites used for reentry nose-tips, rocket nozzle throat inserts, and aircraft brakes. The same technology is appropriate for depositing silicon carbide or other matrices in ceramic-ceramic composites, or ceramic/carbon composites. Furthermore, chemical vapor deposition is a powerful technique for applying the graded oxidation resistant coatings required for carbon/carbon composites in long time oxidizing environments. Modern instrumentation allows many variations in properties to be made which had been impossible in the past. It is for these reasons that we proposed the acquisition of a state-of-the-art Low Pressure Chemical Vapor Deposition Apparatus. (JES)

Descriptors :   *CARBON CARBON COMPOSITES, ACQUISITION, AIRCRAFT, BRAKES, CARBON, CERAMIC MATERIALS, CHEMICAL REACTIONS, COMPOSITE MATERIALS, ENVIRONMENTS, LONG RANGE(TIME), NOZZLE INSERTS, NOZZLE THROATS, OXIDATION, OXIDATION RESISTANCE, PROCESSING, PROTECTIVE COATINGS, ROCKET NOZZLES, SILICON CARBIDES, VAPOR DEPOSITION

Subject Categories : Laminates and Composite Materials

Distribution Statement : APPROVED FOR PUBLIC RELEASE