CTAB与BDA对45号钢镀锌层耐腐蚀性的影响

doi:10.16088/j.issn.1001-6600.2016.01.021

Abstract

Abstract: Zn coatings were prepared on the surface of 45# steel by using cetyltrimethylammonium bromide and benzalacetone as additives. Influence of the two additives on corrosion resistance of Zn coatings was investigated. The morphology and crystalline structure,grain sizes were characterized by SEM and XRD. The corrosion resistance of the coatings were analyzed by Tafel and EIS tests. The results showed that addition of CTAB and BDA changed the surface morphology and the grain size changed from micron size to nanometer size. Meanwhile,the crystal plane (110) was the crystallographic preferential orientation of Zn coatings and the corrosion resistance of Zn coatings increased. The coatings obtained by adding both CTAB and BDA were more compact and smooth,which enhanced the corrosion resistance of Zn coatings.

Key words: 45# steel, Zn plating, CTAB, BDA, corrosion resistance

CLC Number:

TQ153.1

WANG Shun, FAN Hailin, LI Qingyu. Influence of CTAB and BDA on Corrosion Resistance ofZn Coating on the Surface of 45# Steel[J].Journal of Guangxi Normal University(Natural Science Edition), 2016, 34(1): 134-139.

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Influence of CTAB and BDA on Corrosion Resistance ofZn Coating on the Surface of 45# Steel

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