VAPOR DEPOSITION AL ALLOY PLATED STEEL SHEET

PURPOSE:To improve the properties of a vapor deposition Al alloy plated steel sheet by forming an Al alloy plated layer in which Zr content is gradually increased in the depth direction on the surface of the steel sheet. CONSTITUTION:A Zr-contg. Al alloy plated layer in which Zr content is gradually...

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Bibliographische Detailangaben
Hauptverfasser:	MASAKI KATSUHIKO, YOSHII TSUGUYASU
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 improve the properties of a vapor deposition Al alloy plated steel sheet by forming an Al alloy plated layer in which Zr content is gradually increased in the depth direction on the surface of the steel sheet. CONSTITUTION:A Zr-contg. Al alloy plated layer in which Zr content is gradually increased in the depth direction of the plated layer is formed on the surface of the steel sheet. At this time, the Zr content in the Zr-contg. Al alloy plated layer is regulated to =50mass%. In this way, the corrosion resistance, heat resistance and workability of the Zr-contg. vapor deposition Al alloy plated steel sheet can be improved.