Accession Number : ADD015194

Title :   High Temperature Silicide Protective Coating Slurry.

Descriptive Note : Patent, Filed 21 Mar 91, patented 27 Aug 91,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Packer, Charles M ; Henshall, Constance A ; Montgomery, Earl K

Report Date : 27 Aug 1991

Pagination or Media Count : 4

Abstract : This patent discloses a coating slurry comprised of 42 percent silicon and 10 percent chromium metal powders; 45 percent lacquer base including toluene, xylene, and a polymeric binder; and 3 percent antisettling agent. After the slurry has been applied and then subjected to a high temperature vacuum processing, a ceramic coating is obtained which provides 3000 F, high temperature oxidation protection for a refractory tantalum alloy substrate.

Descriptors :   BINDERS, CERAMIC MATERIALS, CHROMIUM, COATINGS, HIGH TEMPERATURE, HIGH VACUUM, LACQUERS, OXIDATION, PATENTS, POLYMERS, POWDER METALS, PROCESSING, PROTECTION, SILICON, SLURRIES, TOLUENES

Subject Categories : Coatings, Colorants and Finishes
      Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE