Method of application of a protective coating to a substrate
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United States of America Patent
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-
Oct 19, 2004
Grant Date -
Sep 12, 2002
app pub date -
Mar 8, 2002
filing date -
Mar 8, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A process of coating a refractory turbine part with a protective coating which is ultimately diffusion bonded to the part. A slurry coating material is prepared from a mixture of a silicon alkyd paint and suspended particles of an aluminum or aluminum alloy powder. Parts may be dipped in the slurry and subsequently be heat treated in selected atmospheres and temperatures to diffuse the coating into the surface of the part.
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