電気化学ノイズ法による各種溶液中での炭素鋼・ステンレス鋼の腐食現象測定と相関次元の物理的解析

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概要

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• The corrosion types of Q235 carbon steel and nuclear grade 304 stainless steel (304 NG SS) in different solutions are investigated by electrochemical noise (EN) technique. EN data are analyzed by using phase space reconstruction theory. With the obtained correlation dimension from the phase space reconstruction, the chaotic behavior of EN is quantitatively evaluated. It is concluded that local corrosion shows a higher correlation dimension while passivation shows a lower correlation dimension. We propose that the correlation dimension increases with the complexity and uncertainty of the signals from passivation to local corrosion, which is the physical meaning of correlation dimension for EN.

• 公益社団法人 電気化学会の論文

著者

• XIA Dahai

  Department of Chemical and Materials Engineering, University of Alberta

• SHI Jiangbo

  School of Materials Science and Engineering, Tianjin University

• GONG Wenqi

  School of Civil Engineering, Tianjin University

• ZHOU Rongji

  School of Literature, Nankai University

• GAO Zhiming

  School of Materials Science and Engineering, Tianjin University

• WANG Jihui

  School of Materials Science and Engineering, Tianjin University

関連論文

• 電気化学ノイズ法による各種溶液中での炭素鋼・ステンレス鋼の腐食現象測定と相関次元の物理的解析
• The Significance of Correlation Dimension Obtained from Electrochemical Noise
• Mechanical Properties and Corrosion Resistance of SA508-4 Low Carbon Alloy Steel
• Mechanical Properties and Corrosion Resistance of SA508-4 Low Carbon Alloy Steel

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