Surface treatment method for thermal-spray ceramic coating film, and thermal-spray ceramic coating film

Provided are: a surface treatment method for smoothing the surface of a thermal-spray ceramic coating film; and a thermal-spray ceramic coating film which has undergone the surface smoothing treatment. The surface treatment method for a thermal-spray ceramic coating film is characterized in that a s...

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Bibliographische Detailangaben
Hauptverfasser:	NICHO, KEISUKE, FUNATSU, TOMOKI, MISHIMA, AKIHIRO
Format:	Patent
Sprache:	chi ; eng
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 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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Beschreibung
Zusammenfassung:	Provided are: a surface treatment method for smoothing the surface of a thermal-spray ceramic coating film; and a thermal-spray ceramic coating film which has undergone the surface smoothing treatment. The surface treatment method for a thermal-spray ceramic coating film is characterized in that a slurry which comprises a liquid having a viscosity of 10 mPa/s or less at a temperature of 20 DEG C and a powdery medium having a polyhedral shape and having a median diameter (D50) of 1-50 [mu]m and which has a content of the powdery medium of 1-50 vol% is jetted against the surface of the thermal-spray ceramic coating film at a pressure of 0.01-1.0 MPa using a compressed gas, thereby smoothing the surface of the thermal-spray ceramic coating film.