16MnR管线钢在近中性溶液中的电化学行为
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Keywords: 16MnR,极化曲线,近中性pH值溶液,腐蚀电位
Abstract:
研究了16MnR管线钢在0.01NNa2CO3+0.01NNaHCO3近中性pH值溶液中的电化学行为，结果表明当扫描速度分别为2mV/s和0.5mV/s时有3个腐蚀电位；分别位于活化区、钝化区和活化-钝化过渡区.并且16MnR在此体系中处于一个极不稳定的状态.金相显微镜观察其组织为铁素体和珠光体相间排列.
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