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Method for applying a high-temperature bond coat on a metal substrate, and related compositions and articles

United States Patent

December 24, 2002
View the Complete Patent at the US Patent & Trademark Office
A method for applying a bond coat on a metal-based substrate is described. A slurry which contains braze material and a volatile component is deposited on the substrate. The slurry can also include bond coat material. Alternatively, the bond coat material can be applied afterward, in solid form or in the form of a second slurry. The slurry and bond coat are then dried and fused to the substrate. A repair technique using this slurry is also described, along with related compositions and articles.
Hasz; Wayne Charles (Pownal, VT), Sangeeta; D (Cincinnati, OH)
General Electric Company (Niskayuna, NY)
09/ 614,248
July 12, 2000
This invention was made with government support under Contract No. DEFC21-95-MC31176 awarded by the Department of Energy. The government may have certain rights to the invention.