专利名称:METHODS FOR REPAIRING A TURBINE
AIRFOIL CONSTRUCTED FROM CMCMATERIAL
发明人:Herbert Chidsey Roberts, III,Paul Edward
Gray,Roger Lee Ken Matsumoto,Jeffrey H.Boy,Philip Harold Monaghan,Joseph Halada
申请号:US13188755申请日:20110722
公开号:US20130022471A1公开日:20130124
专利附图:
摘要:Methods for repairing a turbine airfoil constructed from a CMC material areprovided via filling a cavity located in the turbine airfoil with a ceramic paste (e.g.,including a ceramic powder and a binder), heating the ceramic paste in the cavity toremove the binder, thereby forming a porous ceramic material, and adding a moltenceramic material to the porous ceramic material. The cavity can be defined in an airfoil ofthe turbine airfoil (e.g., on a tip or cap of the airfoil). Intermediates formed during therepair of a turbine airfoil are also provided. The intermediate can generally include anairfoil comprising a CMC material, a cavity defined in the airfoil, and a porous ceramicmaterial filling the cavity.
申请人:Herbert Chidsey Roberts, III,Paul Edward Gray,Roger Lee KenMatsumoto,Jeffrey H. Boy,Philip Harold Monaghan,Joseph Halada
地址:Simpsonville SC US,North East MD US,Newark DE US,Wilmington DEUS,Hockessin DE US,Newark DE US
国籍:US,US,US,US,US,US
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