Accession Number : AD0257013

Title :   PYROLYTIC CARBIDE DEVELOPMENT PROGRAM

Corporate Author : HIGH TEMPERATURE MATERIALS INC BOSTON MASS

Report Date : APR 1961

Pagination or Media Count : 5

Abstract : The processing furnace for use in coating Polaris A-3 nozzles with TaC, HfC and NbC was placed in operation. The unit performed as expected, temperature being attained with power to spare. The processing of TaC coatings on symmetric nozzles was initiated and conditions for the deposition of the stoichiometric carbide are being determined. NbC free of metal or excess C was produced as flat plate deposits. Xray analysis showed the deposits to be face centered cubic NbC with a high degree of crystal orientation. (Author)

Descriptors :   *CARBIDES, *REFRACTORY MATERIALS, *ROCKET NOZZLES, CHLORIDES, CRYSTAL STRUCTURE, GUIDED MISSILES, HAFNIUM COMPOUNDS, HARDNESS, NIOBIUM COMPOUNDS, PYROLYSIS, REFRACTORY COATINGS, SURFACE TO SURFACE, TANTALUM COMPOUNDS, THICKNESS, VAPOR PLATING

Distribution Statement : APPROVED FOR PUBLIC RELEASE