| 草酸中多孔阳极氧化铝膜生长动力学和形态结构研究 |
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| 引用本文： | 马迪,李淑英. 草酸中多孔阳极氧化铝膜生长动力学和形态结构研究[J]. 大连理工大学学报, 2008, 48(1) |
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| 作者姓名： | 马迪 李淑英 |
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| 摘 要： | 为分析多孔阳极氧化铝膜形态参数和氧化条件的关系,在恒流条件下对0.3 mol·L-1草酸电解中形成多孔膜的生长动力学进行了研究.采用扫描电子显微镜和氧化膜质量测定方法检验了电流密度、温度和氧化时间对氧化膜生长动力学和氧化膜形态的影响.通过电压-时间曲线研究了氧化膜的电化学特征,并采用一元线性回归模型预测了氧化膜的生长速率.实验结果表明氧化膜的生长速率随电流密度的升高而升高,随温度的升高而下降.氧化膜质量的增长速率也随着电流密度的升高而增大.
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| 关 键 词： | 阳极氧化铝膜 草酸 生长动力学 anodic aluminum oxide film,oxalic acid growth kinetics 草酸 多孔阳极氧化铝膜 生长 动力学 形态 结构研究 oxalic acid oxide films aluminum porous morphological structure growth kinetics growth rate current density Experimental increase decrease simple linear regression analysis electrochemical |
Growth kinetics and morphological structure of porous anodic aluminum oxide films formed in oxalic acid |
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| MA Di,LI Shu-ying. Growth kinetics and morphological structure of porous anodic aluminum oxide films formed in oxalic acid[J]. Journal of Dalian University of Technology, 2008, 48(1) |
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| Authors: | MA Di LI Shu-ying |
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| Abstract: | The growth kinetics of porous anodic aluminum oxide films formedanalyze the relationship between the anodizing conditions and the filmmorphology parameters. The effects of anodizing conditions (i. e. currentdensity, temperature and anodizing time) on the film growth kinetics andmorphology were examined by scanning electron microscopy and oxide filmmass measurements. The electrochemical signatures were investigated by thevoltage-time transients, and the growth rate of the anodic oxide films waspredicted by the simple linear regression analysis. Experimental resultsindicate that the film growth rate increases with the increase of current densityand the decrease of the temperature. The rate of increase of the film massincreases with an increase of current density. |
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| Keywords: | anodic aluminum oxide film,oxalic acid growth kinetics |
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