A THERMAL BARRIER COATING AND A METHOD OF APPLYING SUCH A COATING

A ceramic thermal barrier coating, TBC, deposited and attached directly to a metallic substrate (2) itself or an intermediate bond coating (3) deposited on such a substrate (2). The TBC comprises at least two layers, wherein a first, inner TBC layer that is directly attached to the substrate (2) or...

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Bibliographische Detailangaben
Hauptverfasser:	MATS-OLOV HANSSON, JAN WIGREN
Format:	Patent
Sprache:	eng
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 COMBUSTION APPARATUS COMBUSTION PROCESSES DIFFUSION TREATMENT OF METALLIC MATERIAL ENGINE PLANTS IN GENERAL GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS 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:	A ceramic thermal barrier coating, TBC, deposited and attached directly to a metallic substrate (2) itself or an intermediate bond coating (3) deposited on such a substrate (2). The TBC comprises at least two layers, wherein a first, inner TBC layer that is directly attached to the substrate (2) or bond coating (3) presents a different microstructure than a second, outer TBC layer.