典型文献
Insight into microbiologically induced corrosion performance of magnesium in tryptic soy broth with S.aureus and E.coli
文献摘要：
In this research,microbiologically induced corrosion(MIC)performance of magnesium in tryptic soy broth with S.aureus or E.coli were systematically explored.The results showed that magnesium in bi-otic solution presented higher mass loss,thicker degradation product layer and more severe pitting cor-rosion compared to abiotic solution after 24 h of immersion.Electrochemical measurements including EIS spectra and polarization curve further suggested that the corrosion rate of Mg in biotic solution in-creased during the early stage owing to the decrease of pH,which was originated from the consumption of glucose and the resulting accumulation of acidic metabolites.However,corrosion rate subsequently decreased because of the reduction of acidic metabolites and production of alkaline compound as well as the corrosion protection provided by the corrosion product and biofilm.Moreover,the corrosion rate of magnesium in high concentration of S.aureus and E.coli solution was larger than that in low concen-tration of S.aureus and E.coli solution,respectively during the initial stage,but subsequently presented a reverse variation.In addition,more severe corrosion of magnesium was observed in S.aureus solution in comparison with E.coli solution.These results suggested that the MIC performance of magnesium was closely related to the concentration and species of bacteria.
文献关键词：
中图分类号：
作者姓名：
Tao Liang;Huanhuan Zhang;Haobo Pan;Ying Zhao
作者机构：
Shenzhen Institute of Advanced Technology,Chinese Academy of Sciences,Shenzhen 518055,China;University of Chinese Academy of Sciences,Beijing 100049,China
文献出处：
引用格式：
[1]Tao Liang;Huanhuan Zhang;Haobo Pan;Ying Zhao-.Insight into microbiologically induced corrosion performance of magnesium in tryptic soy broth with S.aureus and E.coli)[J].材料科学技术（英文版）,2022(20):221-231
A类：
tryptic
B类：
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AB值：
0.471999
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