| AZ91D镁合金在NaCl溶液中的电化学噪声现象 |
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| 引用本文： | 王凤平,张玉楠,吕红梅.AZ91D镁合金在NaCl溶液中的电化学噪声现象[J].辽宁师范大学学报(自然科学版),2011,34(2). |
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| 作者姓名： | 王凤平 张玉楠 吕红梅 |
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| 作者单位： | 1. 辽宁师范大学 化学化工学院,辽宁大连,116029
2. 长春市第十三中学,吉林长春,130041 |
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| 基金项目： | 大连市科学技术局项目(2007A10GX122) |
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| 摘 要： | 利用电化学噪声技术研究AZ91D镁合金的腐蚀过程,探讨Cl-浓度对AZ91D镁合金电化学噪声的影响.首先使用电化学工作站对有效噪声数据进行采集,然后对电化学噪声数据进行时域、频域分析,由此演化出电化学噪声特征参数,最终建立了电化学噪声与AZ91D镁合金腐蚀过程的联系.同时使用扫描电子显微镜观察了AZ91D镁合金出现电化学噪声时的表面形貌.实验结果表明,在含Cl-溶液中,AZ91D镁合金在一定时间内均出现不同程度的电化学噪声现象,同时,随着Cl-浓度增加,AZ91D表面伴随着点腐蚀.
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| 关 键 词： | 镁合金 电化学噪声 电化学噪声分析 氯化钠溶液 |
Electrochemical noise of AZ91D magnesium alloy in sodium chloride solution |
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| WANG Feng-ping,ZHANG Yu-nan,L Hong-mei.Electrochemical noise of AZ91D magnesium alloy in sodium chloride solution[J].Journal of Liaoning Normal University(Natural Science Edition),2011,34(2). |
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| Authors: | WANG Feng-ping ZHANG Yu-nan L Hong-mei |
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| Institution: | WANG Feng-ping,ZHANG Yu-nan,L(U) Hong-mei |
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| Abstract: | The corrosion process of AZ91D magnesium had been investigated by electrochemical noise.The influence of Cl-concentration on electrochemical noise behavior of AZ91D magnesium had been discussed.The electrochemical system was used to collect noise data,and then analyzed using time-domain spectral and frequency-domain.According to the electrochemical noise character parameters,the relationship between electrochemical noise and the corrosion process of AZ91D magnesium was then established.Meanwhile,the morphol... |
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| Keywords: | magnesium electrochemical noise electrochemical noise analysis sodium chloride |
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