铝表面防护性稀土铈转化膜的研究

材料保护, 2008, 41(5): 1-3.

1.西安建筑科技大学材料学院,陕西,西安,710055

2.西安建筑科技大学材料学院,陕西,西安,710055

3.西安电子科技大学,陕西,西安,710071

Corrosion Resistance of Rare Earth Cerium Conversion Film for protection of Aluminum

采用阴极电沉积法在铝阳极氧化膜上制备出稀土铈转化膜;通过SEM和EDS表征了阳极氧化膜、阴极电沉积铈转化膜的形貌和组成成分;用极化曲线法、EIS交流阻抗法等电化学方法对这两种膜进行了耐蚀性评估.结果表明,在铝阳极氧化膜上经过阴极电沉积可制备稀土铈转化膜,其耐蚀性比铝阳极氧化膜的耐蚀性显著提高.

[1]	Hinton B R W;Ryan N E;Amott D R et al.The inhibition of aluminum alloy corrosion by rare earth metal cations[J].Corrosion Australas,1985,10(03):12-17.
[2]	Arnott D R;Hinton B R W;Ryan N E .Cationic film forming inhibitors for the corrosion protection of AA7075 aluminum alloy in chloride solutions[J].Materials Performance,1987,26(08):42-47.
[3]	Hinton B R W;Amott D R;Ryan N E .Cerium conversion coatings for the corrosion protection of aluminum[J].Materials Forum,1986,9(03):162-173.
[4]	朱祖芳.铝合金阳极氧化与表面处理技术[M].北京:化学工业出版社,2004:94-123.
[5]	刘永辉.电化学测试技术[M].北京:北京航空航天大学出版社,1987:1-12.
[6]	Mansfeld F .Pitting and passivation of aluminum alloys and Al-based metal matrix composites[J].Journal of the Electrochemical Society,1990,137(01):78-82.

上一张下一张

计量

作者相关

文章评分