C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 4/12 (2006.01) C23C 4/00 (2006.01) C23C 4/02 (2006.01) C23C 4/18 (2006.01) F23R 3/00 (2006.01)
Patent
CA 2391772
A method of applying a thermal barrier coating system (58) to a metal piece (10) having cooling holes (42) angled in a first direction (44) and cooling holes (46) angled in a second direction(48). The method includes spraying a bond coat (110) on a first surface (38) of the piece (10) at angles with respect to the first and second directions (44, 48) and to a thickness (114) selected in combination with the angles to prevent the bond coat (110) from entirely filling any of the holes (42, 46). A thermal barrier coating (120) is sprayed on the bond, coat (110) at angles with respect to the first and second directions (44, 48) and to a thickness (124) selected in combination with the angles to prevent the thermal barrier coating (120) from entirely filling any of the holes. The method also includes spraying, a high pressure fluid jet from a nozzle assembly (94) through each hole generally parallel to the respective cooling hole.
Farmer Gilbert
Fehrenbach Jeffrey Arnold
Heidorn Raymond William
Imhoff William Lee
Rutherford Myron Edward
Company General Electric
Craig Wilson And Company
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