Advance Effect of Rare Earth Nitrates on Green Process of Phosphating

Juch Kuang

doi:10.4028/www.scientific.net/AMR.838-841.2802

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 838-841Advance Effect of Rare Earth Nitrates on Green...

Advance Effect of Rare Earth Nitrates on Green Process of Phosphating

Abstract:

It had validated by experiments why appending rare earth nitrate (REN) into the bath affects notably on development of coating-forming, corrosion resistance as well as on urgency varieties of appearance and component of the coating. The causation rests with the fact that REN not only makes metal surface depolarized and cathodic reactions accelerated, but also acts as crystal nucleus with gel forms on the metal surface to speed up the coating-forming and develop the anti-corrosion capacity of the coating. The optimal level of addition of REN is 30-55 mg·L^-1.

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Periodical:

Advanced Materials Research (Volumes 838-841)

Pages:

2802-2805

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.838-841.2802

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Online since:

November 2013

Authors:

Juch Kuang*

Keywords:

Corrosion Resistance, Phosphate Coating, Phosphating, Rare Earth Nitrate (REN)

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References

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