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CORROSION MECHANISM OF A3 STEEL INDUCED BY CHLORIDE IONS IN THE PURIFIED WATER

机译:氯离子在纯水中诱导A3钢的腐蚀机理

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摘要

The corrosion mechanism of A3 steel induced by chloride ions in the purified water had been investigated with the A C Impedance technique. The results showed that there were another two factors which determined its electrochemical corrosive rate: the electrode potential and coverage ratio of chloride ions on the surface of A3 Steel. The corrosion mechanism of A3 steel in the solution with chloride ions emendation was two steps of electrode process with the rate-determining step of FeCl→ k_(0.3)Fe~(2+)+Cl~-+e~-.
机译:利用AC阻抗技术研究了纯净水中氯离子对A3钢的腐蚀机理。结果表明,决定其电化学腐蚀速率的因素还有两个:电极电位和A3钢表面氯离子的覆盖率。 A3钢在氯离子溶液中的腐蚀机理为电极过程的两个步骤,即FeCl→k_(0.3)Fe〜(2 +)+ Cl〜-+ e〜-的速率确定步骤。

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