| 铝合金上锂盐抗蚀层的研究 |
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| 引用本文： | 郑辅养,丁红波,马廷椿,温国谋.铝合金上锂盐抗蚀层的研究[J].电镀与涂饰,2000,19(4):1-3,13. |
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| 作者姓名： | 郑辅养 丁红波 马廷椿 温国谋 |
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| 作者单位： | 中国科学院福建物质结构研究所,二部,福建,厦门,361012 |
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| 基金项目： | 福建省自然科学基金!资助项目 (E981 0 0 1 4) |
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| 摘 要： | 由于名酸盐对环境的毒害，铝合金表面耐蚀处理采用锂盐转化膜代替铬酸盐转化膜。本文介绍了铝合金上制备锂盐抗蚀层的工艺过程。利用电化学阻抗叔谱技术结合ＸＰＳ、ＳＥＭ等表面技术来表征和评价抗蚀层在氯化钠沉吟液中的耐蚀性能及孔蚀的发生。采用破损函数Ｄ＝ｌｏｇ（Ｚｏ／Ｚｒ）０．１Ｈｚ亚有征抗蚀性能随时间的衰退变化。
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| 关 键 词： | 铝合金 化学转化膜 电化学阻抗道 电镀 锂盐 |
Study of lithium anticorrosive film on aluminum alloy |
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| ZHENG Fu-yang,DING Hong-bo,MA Ting-chun,WEN Guo-mou.Study of lithium anticorrosive film on aluminum alloy[J].Electroplating & Finishing,2000,19(4):1-3,13. |
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| Authors: | ZHENG Fu-yang DING Hong-bo MA Ting-chun WEN Guo-mou |
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| Abstract: | Due to environmental toxicity of chromating, it was superseded by lithium conversion treatment. This paper described preparation process of lithium anticorrosive film on aluminum alloy. Electrochemical impedance frequency spectrum, accordinated with XPS, SEM surface analysis technique, was used to express and evaluate corrosion resistance of lithium conversion film and formation of pitting in sodium chloride solutions. Pavage function D=Log (Z 0/Z t) 0.1Hz was also used to evaluate variation of anticorrosion performance with time. |
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| Keywords: | aluminum alloys chemical conversion film electrochemical impedance frequency spectrum lithium |
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