High-temperature-resistant hot-corrosion-resistant coating for small-size turbine working blade of aero-engine

The invention discloses a high-temperature-resistant hot-corrosion-resistant coating of a small-size turbine working blade of an aero-engine and a preparation method of the high-temperature-resistant hot-corrosion-resistant coating. The high-temperature-resistant hot-corrosion-resistant coating comp...

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Bibliographische Detailangaben
Hauptverfasser:	JI XIAOLAN, MIAO XIAOFENG, CHEN JIANQIANG, QIU SHULONG, QIN CHUNYUAN, ZHENG CAIFENG, YUN HAITAO
Format:	Patent
Sprache:	chi ; 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 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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Beschreibung
Zusammenfassung:	The invention discloses a high-temperature-resistant hot-corrosion-resistant coating of a small-size turbine working blade of an aero-engine and a preparation method of the high-temperature-resistant hot-corrosion-resistant coating. The high-temperature-resistant hot-corrosion-resistant coating comprises a NiCoCrAlYTa coating, a NiCrAlY bottom layer and a YSZ surface layer, wherein the NiCoCrAlYTa coating is sprayed on a blade body and a margin plate runner surface, and the NiCrAlY bottom layer and the YSZ According to the high-temperature-resistant hot-corrosion-resistant coating of the small-size turbine working blade of the aero-engine, the NiCoCrAlYTa coating is sprayed on the blade body and the margin plate runner surface, the NiCrAlY bottom layer and the YSZ surface layer are sprayed on the blade tip, the blade tip adopts the NiCrAlY bottom layer and the YSZ surface layer, high-temperature protection can be achieved, meanwhile, the blade is prevented from being scraped and scrapped due to coating adhesi