通过化学浸泡法研究了中国西北某地区地下水模拟溶液中的主要侵蚀性离子Cl、SO42-、CO32-对碳钢Q235的侵蚀作用.结果表明,碳钢的腐蚀速率随溶液中Cl-浓度增大先上升后下降,缝隙腐蚀深度先减小后增大;SO42-对腐蚀有一定的抑制作用,随SO42-的加入,降低了均匀腐蚀速率和缝隙腐蚀深度;CO32-通过影响pH值改变了腐蚀产物的形貌和成分,生成没有保护性的FeCO3腐蚀产物膜,容易产生点蚀;随CO32-浓度的升高,缝隙腐蚀有增大的趋势.
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