Preparation of Molybdate Conversion Coatings on the Anodizing Surface of Aluminum Alloy

摘要：

　　Molybdate conversion coatings were prepared on the anodized surfaces of aluminum alloy substrates,and the corrosion resistance in 3.5% NaCl solution was also investigated.The effects of the main parameters on the quality of the coatings were discussed.The morphology and chemical composition of the conversion coatings was examined by SEM and EDS.SEM observation showed that the coatings were composed of small sheet grains with tiny cracks between them.EDS analysis showed that the main element of the coatings was molybdenum.The results of polarization curve showed that the coatings effectively inhabited the pitting corrosion of aluminum alloy substrates.In the end the possible conversion mechanism was discussed.

关键词： Aluminum alloy Chemical conversion coatings Molybdate Anodizing film

作者: Shiguo Du Jun Yan Haiping Cui Bing Wang

作者单位: ShiJiaZhuang Mechanical Engineering College,ShiJiaZhuang,050003 China

会议类型: 国际会议

会议名称: The Fifth China International Conference on High-Performance Ceramics (第五届先进陶瓷国际研讨会(CICC-5))

会议地点: 长沙

会议语种:英文

页码: 1287-1290

在线出版日期: 2007-05-10（万方平台首次上网日期，不代表论文的发表时间）