COMPONENT TREATMENT PROCESS AND TREATED GAS TURBINE COMPONENT

Gas turbine treatment process includes laser-removing coating (101) from a substrate (103) of a gas turbine component (105) to form laser-induced plasma (107), spectroscopically analyzing the laser-induced plasma (107), and discontinuing the laser-removing in response to the spectroscopic analyzing....

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Bibliographische Detailangaben
Hauptverfasser:	GAO, Yibo, WU, Yingna, HULLENDER, Robert Trent, ZHANG, Liming
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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 COLORIMETRY DIFFUSION TREATMENT OF METALLIC MATERIAL GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PHYSICS RADIATION PYROMETRY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TESTING
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Beschreibung
Zusammenfassung:	Gas turbine treatment process includes laser-removing coating (101) from a substrate (103) of a gas turbine component (105) to form laser-induced plasma (107), spectroscopically analyzing the laser-induced plasma (107), and discontinuing the laser-removing in response to the spectroscopic analyzing. Treated gas turbine component (105) includes a laser-affected surface, the laser-affected surface having one or both of modified dimensions and modified microstructure due to being exposed to the laser-removing of the coating (101). The laser-affected surface has a depth corresponding to the laser-removing being discontinued based upon the spectroscopic analyzing of the laser-induced plasma (107) formed from the laser-removing. L'invention concerne un procédé de traitement de turbine à gaz comprenant le retrait au laser d'un revêtement (101) à partir d'un substrat (103) d'un composant de turbine à gaz (105) pour former un plasma obtenu par laser (107), l'analyse par spectroscopie du plasma obtenu par laser (107), et l'interruption du retrait au laser en réponse à l'analyse spectroscopique. Le composant de turbine à gaz traité (105) comprend une surface affectée par laser, la surface affectée par laser présentant la ou les dimensions modifiées et des microstructures modifiées du fait de leur exposition au retrait au laser du revêtement (101). La surface affectée par laser a une profondeur correspondant à l'interruption du retrait au laser sur la base de l'analyse spectroscopique du plasma obtenu par laser (107) formé à partir du retrait au laser.