Contribution Oral Presentation
RECENT DEVELOPMENTS AND OUTLOOK ON ZINC AND ZINC ALLOY COATED STEEL SHEETS IN JAPAN
Zn and Zn alloy coated steel sheets are widely used because of their good corrosion resistance. In particular, galvannealed steel sheets are mostly used for automobile manufacturing in Japan because of their good corrosion resistance after painting, weldability, and stampability. Furthermore, several innovative high Mg added Zn alloy coatings with superior corrosion resistance have been originally developed in Japan primarily for construction use. To clarify the mechanism of the excellent properties of these coatings, a series of consortiums has been organized in Japan, wherein a lot of innovative and epoch-making results were obtained.
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Automotive use, Galvannealed steel sheet, High strength steel sheet, Construction use, Zn–Al–Mg alloy coated steel sheet, Hot-dip galvanizing research consortium