用IR、XRD和SEM分析对碳钢在湿热交替、室温下的干湿交替和吸附膜存在的室温干湿交替环境中的腐蚀实验产生的锈层进行了研究.确定了该锈层分为两层,外层是颗粒较小的γ-FeOOH,内层为Fe3O4及少量的α-FeOOH;提出FeOH+可吸附在Ferrihydrite(Fe5HO8·4H2O)表面促使其溶解并转化为γ-FeOOH和α-eOOH;并解释了其原因.
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