Turbine superalloy component defect repair with low-temperature curing resin
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United States of America Patent
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Sep 8, 2015
Grant Date -
Feb 13, 2014
app pub date -
Aug 10, 2012
filing date -
Aug 10, 2012
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Abstract
Voids, cracks or other similar defects in substrates of thermal barrier coated superalloy components, such as turbine blades or vanes, are filled with resin, without need to remove substrate material surrounding the void by grinding or other processes. The resin is cured at a temperature under 200° C., eliminating the need for post void-filling heat treatment. The void-filled substrate and resin are then coated with a thermal barrier coating.
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