为了进一步了解不锈钢在硫酸盐还原菌（SRB）介质中的腐蚀过程，利用原子力显微镜（AFM）探测了海水介质中18—8SS不锈钢表面SRB生物膜的形貌特征以及生物膜下不锈钢表面状态的变化。结果表明：SRB生物膜呈“鳞片”状，并且生长时间越长，膜层越紧密；不锈钢在SRB介质中很容易发生点蚀，但SRB生物膜能为点蚀以外的完好表面提供一定的保护能力。
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