摘要
对铁在酸性介质中腐蚀过程的法拉第阻抗问题进行了理论分析。认为整个腐蚀过程包含4个基元电化学反应,运用有关的数学和物理方法对这些电化学反应进行了分析处理。得到的结论主要为该腐蚀过程的法拉第阻抗由4个分阻抗组成,这些分阻抗是相互并联的;每一分阻抗又是由相应基元反应的电荷迁移电阻和由中间粒子吸附而产生的吸附电阻及吸附容抗或吸附感抗组成。另外,对某些问题也简单地进行了讨论。
The theoretical analysis on Faraday impedance problem in corrosionprocess of iron in acidic medium is given. It is considered that this corro-sion process consists of four elemental electrochemical reactions. Thesereactions are treated analytically with physical and mathematical methods.The conclusion obtained is mainly that the Faraday impedance of thiscorrosion process consists of four partial impedances which are connected inparallel; each partial impedance also consists of charge transfer resistance,adsorbent resistance and adsorbent capacitance (or adsorbent inductance).Besides, some problems are simply discussed.
关键词
金属腐蚀
法拉第阻抗
交流阻抗技术
electro-corrosion
Faradry impedance
metal corrosion
Acimpedance technique
