High Temperature Silicide Protective Coating Slurry.
Patent, Filed 21 Mar 91, patented 27 Aug 91,
DEPARTMENT OF THE NAVY WASHINGTON DC
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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.
- Coatings, Colorants and Finishes
- Metallurgy and Metallography