Spallation-resistant thermal barrier coating

A coated article has: a metallic substrate (22); a bondcoat (30); and a thermal barrier coating (TBC) (28). The bondcoat has a first layer (32) and a second layer (34), the first layer having a lower Cr content than the second layer.

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Bibliographic Details
Main Authors Gupta Dinesh K, Zimmerman Benjamin J, Trubelja Mladen F, Tryon Brian S, Ucasz Mark T
Format Patent
LanguageEnglish
Published 29.11.2016
Subjects
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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Summary:A coated article has: a metallic substrate (22); a bondcoat (30); and a thermal barrier coating (TBC) (28). The bondcoat has a first layer (32) and a second layer (34), the first layer having a lower Cr content than the second layer.
Bibliography:Application Number: US201414209761