Aluminide-silicide coatings, coating compositions, process for coating and improved coated products
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United States of America Patent
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Oct 3, 2000
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N/A
app pub date -
Aug 13, 1998
filing date -
Sep 5, 1992
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Abstract
An improved aluminide coating especially for superalloy substrates. Slurry coating compositions of eutectic metal alloy powders and of non-eutectic metal powders, including an elemental powder of a silicide-former in a heat-curable liquid binder. A process for coating the substrates and the coated metal parts. The coatings have improved resistance to developing cracks and to hot corrosion and oxidation.
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