THE DROSS ADHERE PREVENTOR FOR COATING SURFACE

PURPOSE: Provided is a method for preventing dross adhesion on the surface of hot dipped galvanized iron by minimizing the size of dross and reducing the formation of dross through optimal operation controls such as stabilization of plating bath temperature and maintaining Al-content in plating bath...

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Bibliographische Detailangaben
1. Verfasser:	JIN, YOUNG KU
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: Provided is a method for preventing dross adhesion on the surface of hot dipped galvanized iron by minimizing the size of dross and reducing the formation of dross through optimal operation controls such as stabilization of plating bath temperature and maintaining Al-content in plating bath constant. CONSTITUTION: In a method for manufacturing a hot dipped galvanized iron, the temperature deviation of a plating bath is maintained within ±5deg.C and the Al content in the plating bath is adjusted between 0.13 and 0.15wt.% by inputting 0.2-0.7wt.% of an Al-Zn alloy ingot.