COATINGS AND A METHOD OF OPTICALLY DETECTING CORROSION IN COATINGS

A method for optically detecting hot corrosion of a thermal barrier coating (TBC), comprising: providing a TBC which includes an indicator material which has an optical emission which is altered by corrosion of the coating; irradiating the TBC with an excitation beam of light; receiving an optical e...

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Bibliographische Detailangaben
Hauptverfasser:	HEYES, ANDREW, LAWRENCE, FEIST, JOERG
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADHESIVES CHEMICAL SURFACE TREATMENT CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION 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 DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEASURING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PHYSICS POLISHES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TESTING
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Beschreibung
Zusammenfassung:	A method for optically detecting hot corrosion of a thermal barrier coating (TBC), comprising: providing a TBC which includes an indicator material which has an optical emission which is altered by corrosion of the coating; irradiating the TBC with an excitation beam of light; receiving an optical emission from the TBC; obtaining a detection signal for the optical emission; and analysing the detection signal to identify one or more predeterminable spectral characteristics and evaluate the amount of corrosion of the TBC. Detection apparatus for optically detecting the corrosion of a thermal barrier coating with the mentioned method, and coating to be inspected by said apparatus and method.