GALVANIZED STEEL SHEET

PURPOSE:To provide a galvanized steel sheet excellent in plating adhesion and corrosion resistance on the worked part. CONSTITUTION:The galvanized steel sheet excellent in plating adhesion and corrosion resistance on the worked part in which a steel sheet is applied with a Zn-Fe allay layer as a pri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OHARA TETSUYA, ODAJIMA TOSHIO, MIZOGUCHI RYOHEI, NISHIMURA KAZUMI
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 galvanized steel sheet excellent in plating adhesion and corrosion resistance on the worked part. CONSTITUTION:The galvanized steel sheet excellent in plating adhesion and corrosion resistance on the worked part in which a steel sheet is applied with a Zn-Fe allay layer as a primary layer, with an Ni-Al-Zn allay layer as a secondary layer and with a Zn layer contg. 0.1 to 1% Al as a third layer is obtd. Furthermore, the space between the primary layer and secondary layer is provided with an Ni layer, and moreover, the inside of the Zn layer on the secondary uppermost layer is incorporated with