A New Information Method to Determinate Corrosion Types from Electrochemical Noise

被引:0
|
作者
Jian Li [1 ]
Huan-Jun Zheng [1 ]
Ye Zheng [1 ]
Wei-Kang Kong [1 ]
Ke Wang [2 ]
机构
[1] State Key Laboratory of Precision Measuring Technology and Instrument,Tianjin University
[2] School of Materials Science and Engineering,Tianjin University
基金
中国国家自然科学基金;
关键词
Entropy rate; Stainless steel; Corrosion; Electrochemical behavior;
D O I
暂无
中图分类号
TG172 [各种类型的金属腐蚀];
学科分类号
摘要
Electrochemical noise data in the presence of different corrosion types were analyzed.A correlation between the corrosion type of the observed noise and the entropy rate was recognized.A sequence was transformed from each set of original electrochemical noise signal,then the Markov process M and stationary distribution l were calculated.Finally,entropy rate of each sequence was obtained by the definition.From the entropy rate,it has been observed that local corrosion showed a lower entropy rate,while uniform corrosion showed a higher entropy rate.
引用
收藏
页码:449 / 453
页数:5
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