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�������պ����ѧѧ�� 2000, Vol. 26 Issue (6) :624-627    DOI:
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Novel Inhibitors of Microbiologically Inducing Corrosion of A3 Steel in Anaerobic Environment
LIU Jian-hua, LI Song-mei, YANG Ying-guang*
Beijing University of Aeronautics and Astronautics, Dept. of Materials Science and Engineering

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Abstract�� The effect of sterilization of four inhibitors(BHA-1,BHA-2,BHA-3,1227)and the behaviors of microbiologically inducing corrosion of A3 steel in 3.5%NaCl solutions with and without sulfate-reducing bacteria(SRB) in anaerobic conditions were investigated by using microbiologic method, weight-loss method and surface analysis. It was found that the pitting corrosion attack of A3 steel was accelerated by SRB. And the inhibitors could affect the growth process of SRB and inhibit the corrosion attack of SRB and Cl-, hence, the corrosion rate of A3 steel was decreased. It was demonstrated that the inhibitors had the double function of inhibition-sterilization. One of four inhibitors, BHA-2 gave the best result of inhibition and sterilization, and its efficiency of inhibition-sterilization was better than 1227 bactericide which was usually used to inhibit the corrosion caused by SRB.
Keywords�� corrosion   sulfate-reducing bacteria   corrosion inhibitors   A3 steel     
Received 1999-07-12;
Fund:

������Ȼ��ѧ����������Ŀ(59871005); ��У��ʿ�����������Ŀ(1999000622)

About author: ������(1957-),��,���Ϻ�����,����,100083,����.
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������, ����÷, ��Ӧ��, ������.A3�������������е����ͻ�ʴ�������о�[J]  �������պ����ѧѧ��, 2000,V26(6): 624-627
LIU Jian-hua, LI Song-mei, YANG Ying-guang.Novel Inhibitors of Microbiologically Inducing Corrosion of A3 Steel in Anaerobic Environment[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2000,V26(6): 624-627
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