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中国腐蚀与防护学报  2009, Vol. 29 Issue (1): 40-43    
  研究报告 本期目录 | 过刊浏览 |
温度对X80管线钢钝化膜电化学性能的影响
李金波;左剑恶
清华大学环境科学与工程系 北京 100084
INFLUENCE OF TEMPERATURE ON THE ELECTROCHEMICAL PROPERTY OF PASSIVE FILM FORMED ON X80 PIPELINE STEEL
LI Jinbo;ZUO Jian'e
Department of Environmental Science and Engineering; Tsinghua University;Beijing 100084  
全文: PDF(531 KB)  
摘要: 

应用电化学阻抗谱(EIS)技术研究了温度对X80管线钢在模拟土壤环境中所成钝化 膜电化学性能的影响,同时应用点缺陷(PDM) 模型分析了温度对钝化膜电化学性能的影响。结果表明:随着成膜温度的升高,钝化膜的稳态电流增大,膜内施主密度增加,膜电阻、传递电阻及离子在膜内的扩散系数$D$减小,其原因在于温度升高,钝化膜内的氧空位数量增加。

关键词 X80管线钢钝化膜点缺陷模型    
Abstract

The influence of temperature on the electrochemical property of passive film formed on X80 pipeline steel in simulated soil environment was investigated by using electrochemical impedance spectroscopy (EIS) technique, and the effect of temperature on the electrochemical property of passive film was analyzed using point defect model (PDM). The results showed that the steady current density of passive film and donor density increased, film resistance, transfer resistance and diffusivity $D$ decreased with increasing temperature. According to PDM, the influence of temperature on the electrochemical property of passive film was related to the increment of donor density in the film with increasing temperature.

Key wordsX80 pipeline steel    passive film    Point Defect Model (PDM)
收稿日期: 2007-04-04     
ZTFLH: 

TG172.3

 
基金资助:

中国石油科技创新基金(2008D-5006-02-10)

通讯作者: 左剑恶     E-mail: jiane.zuo@mail.tsinghua.edu.cn
Corresponding author: ZUO Jian'e     E-mail: jiane.zuo@mail.tsinghua.edu.cn

引用本文:

李金波 左剑恶. 温度对X80管线钢钝化膜电化学性能的影响[J]. 中国腐蚀与防护学报, 2009, 29(1): 40-43.
LI Jin-Bei. INFLUENCE OF TEMPERATURE ON THE ELECTROCHEMICAL PROPERTY OF PASSIVE FILM FORMED ON X80 PIPELINE STEEL. J Chin Soc Corr Pro, 2009, 29(1): 40-43.

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y2009/V29/I1/40

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