Process for repairing sulfidation damaged turbine components
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United States of America Patent
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Dec 12, 2006
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N/A
app pub date -
Jul 26, 2005
filing date -
Jul 26, 2005
priority date (Note) -
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Abstract
A process is provided for cleaning a surface of an internal cavity of a gas turbine component having sulfidation or sulfur bearing deposits comprising: inserting into the internal cavity a fluoride salt; and heating the fluoride salt and the component in an inert atmosphere for a time and at a temperature to clean the sulfidation or sulfur bearing deposits on the surface. In a preferred embodiment the cleaned internal surface is then coated with a metallic coating.
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