少量柴油对盐水介质中碳钢腐蚀的影响

1.华中理工大学化学系,武汉,430074

2.华中理工大学化学系,武汉,430074

Effects of a Small Amount of Diesel Fuel Oil on Corrosion of Carbon Steel in Brine Medium

应用电化学测试和腐蚀挂片法,研究少量柴油在中性盐水介质中对碳钢腐蚀的影响,结果表明:一定量的柴油在水介质中,不仅促进氧的扩散加速碳钢的腐蚀,而且使碳钢的腐蚀形貌由均匀腐蚀转为区块状腐蚀甚至点蚀;在含缓蚀剂的体系中,少量柴油的存在会影响缓蚀剂的吸附,从而降低缓蚀剂的缓蚀效果.

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