Minimizing blockage of holes in turbine engine components

An airfoil (10) for use in a gas turbine engine is provided, the airfoil (10) having a hole (20) therein. A ceramic plug (30) is inserted in the hole (20) so that the plug (30) extends above a depth (D) of a thermal barrier coating (25), such as a ceramic, to be placed on the airfoil (10). The airfo...

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Bibliographische Detailangaben
1. Verfasser:	ZIMMERMAN, BENJAMIN JOSEPH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINE PLANTS IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION WEAPONS
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Beschreibung
Zusammenfassung:	An airfoil (10) for use in a gas turbine engine is provided, the airfoil (10) having a hole (20) therein. A ceramic plug (30) is inserted in the hole (20) so that the plug (30) extends above a depth (D) of a thermal barrier coating (25), such as a ceramic, to be placed on the airfoil (10). The airfoil (10) is then coated by non-line of sight vapor deposition and the plugs (30) are then removed.