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| CORROSION BEHAVIOR OF 304 STAINLESS STEEL IN CULTURED MICROBIAL MEDIUM |
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Abstract The bacteria in seawater were cultured in batch and the corrosion behavior of 304 stainless steel in the medium of marine microorganisms was investigated by polarization curves and electrochemical impedance spec?鄄troscopy， etc. Experimental results show that the stainless steel current density of anodic polarization in culture medium with bacteria is higher than that without bacteria， and the impedance value in medium without bacteria first decreases then increases， while in medium with bacteria decreases all through. In conclusion，the bacteria in seawater accelerates the corrosion of 304 stainless steel and induces pitting corrosion to the 304 stainless steel.
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Received: 25 May 2006
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