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中国腐蚀与防护学报  2006, Vol. 26 Issue (5): 295-298     
  研究报告 本期目录 | 过刊浏览 |
微生物附着对不锈钢钝化性能的影响
李相波;王佳;李文军;郭为民;王伟
中船重工集团725所青岛分部
EFFECT OF BIOFILM ON THE ELECTROCHEMICAL PASSIVITY OF STAINLESS STEEL
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中船重工集团725所青岛分部
全文: PDF(247 KB)  
摘要: 通过荧光显微镜研究了天然海水及无菌海水中不锈钢表面微 生物的附着状态,同时利用扫描电镜和能谱仪对有微生物附着的不锈钢电极及对比试样表面 成分进行了分析,根据不同浸泡时间内微生物附着以后极化曲线尤其是阳极钝化曲线的变化 ,解释了微生物附着对不锈钢钝化性能的影响.
关键词 微生物膜不锈钢钝化性能X射线能谱仪    
Abstract:The influence of microbes adhesion on the passive s tate of high-Mo steel in natural seawater was studied.The conformation of biofi lm on metal surface was studied by epifluorescence microscope.And analyzed the c omposition of surface film with EDS.Results showed that the content of Cr in the passive film of stainless steel increased a little due to the formation of biof ilm.Polarization curves revealed that,in the earlier immersion time of high-Mo s teel,the longer time immersed in natural seawater for high-Mo steel,the more pos itive over-passivate potential and the less the passive current density will app ear.In other words,the formation of biofilms added the passive film stability of high-Mo stainless steels in natural seawater.
Key wordsbiofilm    stainless steel    polarization activity    EDS
收稿日期: 2005-06-15     
ZTFLH:  TG172.7  
通讯作者: 李相波      E-mail: xiangboli@sina.com.cn

引用本文:

李相波; 王佳; 李文军; 郭为民; 王伟 . 微生物附着对不锈钢钝化性能的影响[J]. 中国腐蚀与防护学报, 2006, 26(5): 295-298 .

链接本文:

https://www.jcscp.org/CN/Y2006/V26/I5/295

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