METHOD FOR PRODUCING ALUMINUM ALLOY RAW MATERIAL, METHOD FOR PRODUCING ALUMINUM ALLOY INGOT, METHOD FOR PRODUCING ALUMINUM ALLOY PLATE, METHOD FOR PRODUCING ALUMINUM ALLOY SUBSTRATE FOR PLATING, METHOD FOR PRODUCING ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK, METHOD FOR PRODUCING MAGNETIC DISK, AND MAGNETIC DISK

An example method for producing an aluminum alloy raw material, wherein in a separation step of reusing, as a recycled material, at least one of an intermediate material and a finished product each comprising an aluminum alloy disk and an underlayer, for at least part of an aluminum alloy material a...

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Bibliographische Detailangaben
Hauptverfasser:	HATAKEYAMA, Hideyuki, KOKUBUN, Yuma, SAKAMOTO, Ryo, KITAWAKI, Kotaro
Format:	Patent
Sprache:	eng
Schlagworte:	CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS 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 LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	An example method for producing an aluminum alloy raw material, wherein in a separation step of reusing, as a recycled material, at least one of an intermediate material and a finished product each comprising an aluminum alloy disk and an underlayer, for at least part of an aluminum alloy material and heating the aluminum alloy material comprising the recycled material to separate the aluminum alloy disk and the underlayer, and the aluminum alloy material comprising the recycled material is heated and held at 480° C. or higher and 590° C. or lower for more than 1 hour.