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Influence of AC interference to corrosion of Q235 carbon steel

机译:交流干扰对Q235碳钢腐蚀的影响

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摘要

The alternating current (AC) has a strong influence on the corrosion of carbon steel Q235 in soil. AC corrosion was investigated by morphology observation, weight loss analysis and electrochemical measurement. The results of morphology observation and weight loss analysis showed that AC increased the corrosion rate and the influence was weakened when a protective layer was built up. The electrochemical tests confirmed that in the presence of AC, the corrosion potential shifted toward the negative direction and the exchange current density increased.
机译:交流电(AC)对Q235碳钢在土壤中的腐蚀有很大影响。通过形态观察,失重分析和电化学测量研究了交流腐蚀。形态观察和失重分析结果表明,当保护层形成时,交流电提高了腐蚀速率,影响减弱。电化学测试证实,在存在交流电的情况下,腐蚀电位向负方向移动,交换电流密度增加。

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