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首页> 外文期刊>Corrosion science >Surface chemistry and corrosion behaviour of 304 stainless steel in simulated seawater containing inorganic sulphide and sulphate-reducing bacteria
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Surface chemistry and corrosion behaviour of 304 stainless steel in simulated seawater containing inorganic sulphide and sulphate-reducing bacteria

机译：304不锈钢在含无机硫化物和硫酸盐还原细菌的模拟海水中的表面化学和腐蚀行为

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摘要

Although many studies have been carried out regarding the role of sulphide anions in promoting micro-bial corrosion of various metal substrates, very little is known about the differences between inorganic sulphide and biogenically-derived sulphide by sulphate-reducing bacteria (SRB) and what the reasons for differing corrosion behaviour between the two types of sulphide may be towards common metals. In this study, various electrochemical and surface analytical techniques were employed to study the effect of the inorganic and biogenic sulphide (active SRB present) on the surface chemistry and corrosion behaviour of 304 stainless steels in a simulated seawater-based modified Baar's (SSMB) medium. Clear differences in the surface chemistry of the sulphurised passive film by inorganic and biogenic sulphide (active SRB present) were quantified by X-ray photoelectron spectroscopy (XPS). The transformation of metal sulphides in abiotic and biotic sulphide solutions with the exposure time was correlated with different corrosion behaviour of 304 stainless steels.
机译：尽管已进行了许多有关硫化物阴离子在促进各种金属基质微生物腐蚀中的作用的研究，但对还原硫酸盐细菌（SRB）的无机硫化物和生物来源的硫化物之间的差异了解甚少，而对于两种类型的硫化物之间腐蚀行为不同的原因可能是常见的金属。在这项研究中，采用了各种电化学和表面分析技术来研究无机和生物硫化物（存在活性SRB）对模拟海水基改良Baar's（SSMB）介质中304不锈钢的表面化学和腐蚀行为的影响。 。通过X射线光电子能谱（XPS）量化了无机和生物硫化物（存在活性SRB）对硫化钝化膜表面化学的明显差异。非生物和生物硫化物溶液中金属硫化物随暴露时间的转变与304不锈钢的不同腐蚀行为相关。

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  • 来源
    《Corrosion science》 |2013年第9期|353-366|共14页
  • 作者

    Shaojun Yuan; Bin Liang; Yu Zhao; S.O. Pehkonen;

  • 作者单位

    Multi-Phases Mass Transfer & Reaction Engineering Lab, College of Chemical Engineering, Chengdu 610065, China;

    Multi-Phases Mass Transfer & Reaction Engineering Lab, College of Chemical Engineering, Chengdu 610065, China;

    Office of Finance, Sichuan University, Chengdu 610065, China;

    Chemical Engineering Program, Masdar Institute of Science and Technology, PO Box 54224, Abu Dhabi, United Arab Emirates;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    A. Stainless steel; B. XPS; C. Microbiological corrosion; C. Sulphidation; C. Passive films;

    机译：A.不锈钢;B. XPS;C.微生物腐蚀;C.硫化C.被动片;

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