Method of surface treating metal and metal surface treated...

C - Chemistry – Metallurgy – 23 – C

Patent

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Details

C23C 22/05 (2006.01) C23C 8/04 (2006.01) C23C 22/34 (2006.01) C23C 22/36 (2006.01) C23C 22/48 (2006.01) C23C 22/60 (2006.01) C25D 9/00 (2006.01) C25D 9/08 (2006.01) C25D 11/00 (2006.01)

Patent

CA 2470445

It is an object of the present invention to provide a method of metal surface treatment and a surface treated metal thereby, which has excellent corrosion resistance and can form a coat having high corrosion resistance on metal substrates such as iron, zinc, aluminum and magnesium. A method of metal surface treatment comprising the step of forming a chemical conversion coat on the surface of a metal article to be treated by a chemical conversion treatment reaction by a chemical conversion treatment agent containing a zirconium-containing compound and a fluorine-containing compound, wherein said chemical conversion treatment reaction is conducted through cathodic electrolysis treatment.

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