Aluminia coating, coated product and method of making the same

A coated body that includes a substrate (22) and a coating scheme (32) on the substrate. The coating scheme (32) on the substrate (22) wherein the coating scheme includes a kappa-alpha-alumina coating layer (40) that exhibits either a large multifaceted grain morphology or a polyhedral-multifaceted...

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Bibliographic Details
Main Authors MCNERNY, CHARLES G, GATES, ALFRED S, LEICHT, PETER R, MEHROTRA, PANKAJ
Format Patent
LanguageEnglish
French
German
Published 16.02.2011
Subjects
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
INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL
METALLURGY
SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Summary:A coated body that includes a substrate (22) and a coating scheme (32) on the substrate. The coating scheme (32) on the substrate (22) wherein the coating scheme includes a kappa-alpha-alumina coating layer (40) that exhibits either a large multifaceted grain morphology or a polyhedral-multifaceted grain morphology at the surface thereof.
Bibliography:Application Number: EP20100012630