The Effects of Straining Frequency and Stress Ratio on Polarization Current Responded to Cyclic Strain in a Commercial Iron
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概要
- 論文の詳細を見る
Corrosion fatigue tests of a commercial iron were carried out using a cylindrical specimen with a hole in a borate buffer solution containing 5 mol/m3 NaCl at a constant passive potential. Polarization current behavior induced by strain cycles has been investigated in order to elucidate the effects of straining frequency and stress ratio. The amplitude of polarization current synchronized with the strain cycle and the phase shift between the polarization current and the strain were calculated. The polarization current obtained prior to the crack initiation was found to be the charging and discharging current of the electric double layer capacitance. The corrosion damage increased as decreasing the straining frequency in the initial stage of crack propagation. The increased corrosion damage was observed at the reduced stress ratio.
- 社団法人 日本鉄鋼協会の論文
- 1997-12-15
著者
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Tada Eiji
Department of Cardiology, New Tokyo Hospital
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KUMAI Shinji
Department of Materials Science and Engineering, Tokyo Institute of Technology
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NODA Kazuhiko
Department of Materials and Engineering, Shibaura Institute of Technology
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Tada Eiji
Department Of Cardiology New Tokyo Hospital
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Tada Eiji
Department Of Metallurgical Engineering Tokyo Institute Of Technology
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Kumai S
Department Of Materials Science And Engineering Tokyo Institute Of Technology
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Kumai Shinji
Department Of Materials Science And Engineering Tokyo Institute Of Technology
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Noda Kazuhiko
Department Of Materials And Engineering Shibaura Institute Of Technology
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TSURU Tooru
Department of Metallurgy and Ceramics Science, Tokyo Institute of Technology
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Tsuru Tooru
Department Of Metallurgical Engineering Tokyo Institute Of Technology
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Noda Kazuhiko
Department Of Metallurgical Engineering Tokyo Institute Of Technology
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Kumai Shinji
Department Of Materials Science And Engineering Interdisciplinary Graduate School Of Science And Eng
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KUMAI Shinji
Department of Material Science and Engineering, Tokyo Institute of Technology
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