Accession Number : AD0271436

Title :   VAPOR DEPOSITION OF TUNGSTEN AND THE EFFECTS OF PROCESS VARIABLES

Corporate Author : BUREAU OF MINES ROLLA MO METALLURGY RESEARCH CENTER

Personal Author(s) : HOERTEL,F.W.

Report Date : JAN 1962

Pagination or Media Count : 1

Abstract : ONE GRADED W-BeO nozzle insert was coated with W. The BeO reacted with the gases in the reaction zone to create unfavorable coating conditions. Several indentations in the W coating appear to have been cauused by the escape of reaction products. The W coating projects from the contour of the insert in a form resembling layers peeled from the surface. Clear crystals were formed on cooler surfaces within the reaction zone. (Author)

Descriptors :   *ROCKET NOZZLES, *TUNGSTEN, *VAPOR PLATING, BERYLLIUM COMPOUNDS, COATINGS, CRYSTALLIZATION, OXIDES, TUNGSTEN COMPOUNDS

Distribution Statement : APPROVED FOR PUBLIC RELEASE