电解液成分对铝合金磷酸阳极氧化膜性能的影响
Effect of Electrolyte Composition on Properties of Phosphoric Acid Anodization Film on Aluminum Alloy Surface
摘 要
采用磷酸作为基本电解液对2124铝合金进行阳极氧化,研究了电解液成分对氧化膜层性能的影响.研究结果表明,磷酸浓度在10~40 g/L范围内时,随磷酸浓度增加,膜层厚度增加,硬度减小.在磷酸电解液中加入成膜添加剂,可以有效提高膜层的质量.同时,优选出最佳的磷酸复合电解液配方.研究结果对于制备大孔径、高厚度和高硬度的氧化膜有积极意义.
阳极氧化
磷酸电解液
aluminum alloy
anodization
phosphoric acid electrolyte
Abstract
2124 aluminum alloy was anodized by using phosphoric acid as the base electrolyte.The effect of electrolyte composition on properties of alumina film was investigated.The results indicated that with the increase of phosphoric acid concentration,the thickness of alumina film increased,and hardness of alumina film decreased,when phosphoric acid was in the range of 10~40 g/L.And the film was of high quality when film forming additive was added into phosphoric acid electrolyte.The optimum formula of phosphoric acid composite electrolyte was selected.The results were significant to synthesize alumina film with large aperture,high thickness and high hardness.
中图分类号 TG178
所属栏目 试验研究
基金项目 上海市重点学科建设项目(B503)
收稿日期 2009/9/11
修改稿日期 2009/12/24
网络出版日期
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备注张修庆,副教授.
引用该论文: ZHANG Xiu-qing,ZHAO Zu-xin,YE Yi-fu. Effect of Electrolyte Composition on Properties of Phosphoric Acid Anodization Film on Aluminum Alloy Surface[J]. Corrosion & Protection, 2010, 31(8): 619～622
被引情况:
【1】姜越,艾莹莹,周蓓蓓,杨志韬, "马氏体时效不锈钢钝化膜XPS研究",腐蚀与防护 33, 856-860(2012)
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参考文献
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