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海洋科学  2012 

天然海水中微生物膜对碳钢腐蚀行为的影响

, PP. 24-31

Keywords: 海水腐蚀,电化学阻抗谱,碳钢,微生物膜

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Abstract:

通过对比碳钢在天然海水和灭菌海水中的腐蚀行为,研究海洋微生物对碳钢材料的腐蚀行为的影响。结果表明,海洋微生物可在碳钢表面形成微生物膜,其对碳钢腐蚀速率的影响及作用机理与微生物的种类密切相关。在腐蚀初期,海洋微生物膜对碳钢的腐蚀起到了抑制作用,主要由多种好氧微生物协同作用的结果;在腐蚀后期,随着海洋微生物膜增厚导致厌氧腐蚀的出现从而加速腐蚀,主要是硫酸盐还原菌等厌氧微生物的作用。

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