C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 1/00 (2006.01) B05D 3/02 (2006.01) C23C 24/00 (2006.01)
Patent
CA 2711343
Methods for improving surface roughness of an environmental barrier coating (12) comprising: providing a component (10) having a plasma sprayed environmental barrier coating; applying a slurry to the environmental barrier coating of the component, the slurry comprising a transition layer slurry or an outer layer slurry; drying the environmental barrier coating having the applied slurry; and sintering the component to produce a component having an improved surface roughness wherein the slurry comprises: a solvent; a primary transition material, or a primary outer material; and a slurry sintering aid. aluminum salts, solvent soluble nickel salts, solvent titanium salts, solvent soluble boron salts, and solvent soluble alkaline earth salts.
Boutwell Brett Allen
Kirby Glen Harold
Company General Electric
Craig Wilson And Company
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