Abstract:An engine test program was undertaken to evaluate a novel component repair process. First stage, high pressure turbine airfoils with either a simple aluminide (Codep on Rene’80) or a high activity Pt aluminide (RT-22 on Rene’142) were studied. Components refurbished with a partial strip, repair and CVD recoat process were installed in rainbow rotors which included new airfoils and/or components with full repairs (complete strip, weld repair and recoat). Following engine service on commercial aircraft, airfoils… Show more
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