TI-AL ALLOY MEMBER AND PRODUCTION THEREOF

PURPOSE:To provide a Ti-Al alloy member excellent in high temp. oxidation resistance and its producing method. CONSTITUTION:A coating film is formed by dipping the Ti-Al alloy member into an alkoxy silane hydrolyzed solution and is baked after drying to form a polysiloxane film. identicalSi-O-Siiden...

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Bibliographische Detailangaben
Hauptverfasser:	UOZUMI MINORU, YUKI ISAMU, OSHU KENICHI, AMANO NORIHIRO, NOGAMI TATSUYA
Format:	Patent
Sprache:	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:	PURPOSE:To provide a Ti-Al alloy member excellent in high temp. oxidation resistance and its producing method. CONSTITUTION:A coating film is formed by dipping the Ti-Al alloy member into an alkoxy silane hydrolyzed solution and is baked after drying to form a polysiloxane film. identicalSi-O-Siidentical is formed by a progress of a condensation reaction of identicalSi-OH made by hydrolysis of alkoxysilane and by baking the coating film after drying, the hardened coating film made from a three dimensional network of identicalSi-O-Siidentical is completely formed. The hardened coating film is excellent in adhesive strength with the Ti-Al alloy member and stable at high temp. and as available oxidation resistance is exhibited till a temp. near 1000 deg.C, impregnating of oxygen into the Ti-Al alloy member is completely interrupted and the oxidation resistance of Ti-Al alloy member at high temp. is remarkably improved.