CORROSION FATIGUE OF HIGH STRENGTH STEEL IN SEA FLOWING WATER.

Soon Shik Jang; Tetsuo Shoji; Hideaki Takahashi; Yutaka Watanabe

doi:10.3323/jcorr1974.35.9_503

CORROSION FATIGUE OF HIGH STRENGTH STEEL IN SEA FLOWING WATER.

Soon Shik Jang, Tetsuo Shoji, Hideaki Takahashi, Yutaka Watanabe

Research output: Contribution to journal › Article › peer-review

Abstract

Corrosion fatigue tests were conducted in synthetic sea water to investigate the influence of flow rate on crack growth behavior under various corrosion potentials. The effect of increasing flow rate under a free corrosion potential was to increase the cathodic reaction rate of dissolved oxygen reduction. This results in increase of crack propagation rate. When the potential was controlled electrochemically at minus 450 mv (vs. Ag/AgCl), it showed different mechanisms with respect to flow rates. The impressed current density at a low flow rate was high enough to maintain a high crack propagation rate.

Original language	English
Pages (from-to)	503-508
Number of pages	6
Journal	Boshoku Gijutsu
Volume	35
Issue number	9
DOIs	https://doi.org/10.3323/jcorr1974.35.9_503
Publication status	Published - 1986

ASJC Scopus subject areas

Engineering(all)

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abstract = "Corrosion fatigue tests were conducted in synthetic sea water to investigate the influence of flow rate on crack growth behavior under various corrosion potentials. The effect of increasing flow rate under a free corrosion potential was to increase the cathodic reaction rate of dissolved oxygen reduction. This results in increase of crack propagation rate. When the potential was controlled electrochemically at minus 450 mv (vs. Ag/AgCl), it showed different mechanisms with respect to flow rates. The impressed current density at a low flow rate was high enough to maintain a high crack propagation rate.",

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AB - Corrosion fatigue tests were conducted in synthetic sea water to investigate the influence of flow rate on crack growth behavior under various corrosion potentials. The effect of increasing flow rate under a free corrosion potential was to increase the cathodic reaction rate of dissolved oxygen reduction. This results in increase of crack propagation rate. When the potential was controlled electrochemically at minus 450 mv (vs. Ag/AgCl), it showed different mechanisms with respect to flow rates. The impressed current density at a low flow rate was high enough to maintain a high crack propagation rate.

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CORROSION FATIGUE OF HIGH STRENGTH STEEL IN SEA FLOWING WATER.

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