碳钢和低合金钢模拟坑孔腐蚀试验方法研究

Studies of Experimental Method on Occluded Corrosion Cell of Carbon and Low Alloy Steels

    摘要
  • 摘要: 采用模拟坑孔腐蚀的闭塞电池法对其耐蚀性进行评价,选用两种典型的碳素船体钢及4种不同的坑孔溶液条件,并结合电化学极化和显微腐蚀形貌观察,对其闭塞电池试验方法进行了研究,结果表明,坑孔溶液为pH=4、质量浓度为3%的NaCl具有较好的模拟性与可操作性,闭塞电池试验结果与挂片结果有较好的对应性。

     

    Abstract: In this paper‚, occluded battery method of artifical pit was used to caculate its corrosion-resisting property.The occluded battery behaviours of two kinds of carbon steelwere studied in four different pit solutions.The results showed that the pitsolution with pH=4 and 3%NaCl is more operatable and simulate the corrosion of the steel swell.

     

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