Ceramic matrix composite repair by reactive processing and mechanical interlocking
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United States of America Patent
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Jun 14, 2016
Grant Date -
Sep 18, 2014
app pub date -
Dec 27, 2013
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
A method for modifying a ceramic matrix component is disclosed including identifying a non-conforming region of a composite component capable of operating in a gas turbine engine; removing at least a portion of the non-conforming region to create an exposed surface of the composite component; preparing a preform in response to the removing at least a portion of the non-conforming region; applying a reactive constituent surface region to at least one of the exposed surface of the composite component and the preform, the reactive constituent surface region being capable of producing a non-equilibrium condition; positioning the preform to provide a contact region between the exposed surface of the composite component and the preform proximate the reactive constituent surface region; and reacting the reactive constituent surface region in an equilibrium reaction at the contact region to form a bond structure between the exposed surface of the composite component and the preform.
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