Study on Al Coating and Black Passive Film on Steel Surface

Li Yuan Niu; Yi Chang Su; Zi Mu Shi; Ji Xing Lin; Guang Yu Li

doi:10.4028/www.scientific.net/AMR.712-715.403

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 712-715Study on Al Coating and Black Passive Film on...

Study on Al Coating and Black Passive Film on Steel Surface

Abstract:

An Al coating and black passive film technique was developed in this research. Meanwhile, a fine and uniform Al coating with good binding force on steel surface was prepared. And a black passive film was used as a post-treated film of the electroplated Al coating. The result proves that the corrosion resistance of electroplated Al coating was over one time higher than that of zinc coating by black passivation. Besides, Al coating was less brittle with good ductility and, it could be used as a pretreatment layer before conducting laser heat treatment to significantly improve the efficiency of laser heat treatment.

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Periodical:

Advanced Materials Research (Volumes 712-715)

Pages:

403-406

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.712-715.403

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Online since:

June 2013

Authors:

Li Yuan Niu, Yi Chang Su, Zi Mu Shi, Ji Xing Lin, Guang Yu Li

Keywords:

Black Passive Film, Brittleness, Laser Heat Treatment, Pretreatment Layer

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