从测量仪器、测量方法、测量范围区间以及测量结果的数值修正等几方面介绍了在腐蚀电化学测量中如何消除工作电极与鲁金毛细管间溶液电阻的影响,在实际测试过程中应该根据实际情况来选择合适的方法.在进行数值修正的时候要注意:不论是利用等距离法计算的结果还是利用EIS测量的结果,总是有一定的适用范围,特别是在强极化区,其溶液电阻由于溶液中离子运动速度的增加以及电极表面附近离子浓度的变化而减小.因而利用EIS结果及等距离法计算出的溶液电阻Rsol在相应的电位范围内是适用的,而不能将其推广到整个极化测量区间,否则将会引起较大的误差.
参考文献
[1] | 杨德钧;沈卓身.金属腐蚀学[M].北京:冶金工业出版社,1999:218-225. |
[2] | Milan Koufil;Pavel Novak;Martin Bojko .Limitations of the linear polarization method to determine stainless steel corrosion rate in concrete environment[J].Cement & concrete composites,2006(3):220-225. |
[3] | Jung Gu Kim;Yong Wook Kim .Cathodic protection criteria of thermally insulated pipeline in soil[J].Corrosion Science,2001,43(10):2011-2021. |
[4] | 吴荫顺;方智;何积铨.腐蚀试验方法与防腐蚀检测技术[M].北京:化学工业出版社:29-59. |
[5] | 宋诗哲.腐蚀电化学研究方法[M].北京:化学工业出版社,1988:100-124. |
[6] | 魏宝明.金属腐蚀理论及应用[M].北京:化学工业出版社,2001:65-77. |
[7] | Mansfeld F .Tafel slopes and corrosion rates obtained in the pre-Tafel region of polarization curves[J].Corrosion Science,2005,47(12):3178-3186. |
[8] | 曹楚南.腐蚀电化学原理[M].北京:化学工业出版社,2004:143-150. |
[9] | Gabriele Rocchini;Luca Rocchini .The influence of the ohmic drop on the shape of polarization curves[J].Corrosion Prevention & Control,2005(3):83-91. |
[10] | Moutarlier V;Gigandet M .EIS characterisation of anodic films formed on 2024 aluminium alloy,in sulphuric acid containing molybdate or permanganate species[J].Corrosion Science,2005,47(04):937-951. |
[11] | Barranco V;Feliu S .EIS study of the corrosion behaviour of zinc-based coatings on steel in quiescent 3% NaCl solution.Part 2:coatings covered with an inhibitor-containing lacquer[J].Corrosion Science,2004,46(09):2221-2240. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%