Method for melt nitriding of aluminum or its alloy

Aluminum or its alloy is subjected to surface treatment wherein the surface is heated and melted by the heat of an electric arc in an atmosphere of a mixture of inert gas and nitrogen gas. By this treatment, a dense layer of aluminum nitride is formed on the surface of aluminum or its alloy so that...

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Bibliographische Detailangaben
Hauptverfasser:	HIOKI, SUSUMU, IMANAGA, SHOJI, HANEDA, MITSUAKI, YAMADA, TOSHIHIRO, HATANO, KAZUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS 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 FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Aluminum or its alloy is subjected to surface treatment wherein the surface is heated and melted by the heat of an electric arc in an atmosphere of a mixture of inert gas and nitrogen gas. By this treatment, a dense layer of aluminum nitride is formed on the surface of aluminum or its alloy so that material of increased wear resistance is obtained.