缓蚀剂在N80钢上吸附行为研究

李爱魁; 李国敏; 郭兴蓬

doi:10.61558/2993-074X.3315

电化学 >

2003 , Vol. 9 >Issue 3: 314 - 319

DOI: https://doi.org/10.61558/2993-074X.3315

研究论文

缓蚀剂在N80钢上吸附行为研究

李爱魁 ,
李国敏 ,
郭兴蓬

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华中科技大学化学系,华中科技大学化学系,华中科技大学化学系湖北武汉430074 ,湖北武汉430074 ,湖北武汉430074

收稿日期: 2003-08-28

修回日期: 2003-08-28

网络出版日期: 2003-08-28

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Study on Adsorption Behavior of Inhibitors on N80 Steel

LI Ai_kui ,
Li Guo_min ,
GUO Xing_peng

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( Chemistry Department,Huazhong University of Science and Technology,Hubei 430074,China

Received date: 2003-08-28

Revised date: 2003-08-28

Online published: 2003-08-28

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摘要

应用极化曲线和交流阻抗技术研究了 4种缓蚀剂在N80钢基体和碳酸亚铁膜上的吸脱附行为 .实验表明 ,对同一种缓蚀剂 ,其在N80钢光洁表面和在腐蚀产物膜上的吸附力强度不同 ,而酸性缓蚀剂和小分子缓蚀剂在N80钢光洁金属表面和碳酸亚铁膜上各表现出不同的缓蚀行为

关键词： 缓蚀剂; CO2腐蚀; 极化曲线; 电化学阻抗; 吸脱附; 碳酸亚铁膜

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李爱魁 , 李国敏 , 郭兴蓬 . 缓蚀剂在N80钢上吸附行为研究[J]. 电化学, 2003 , 9(3) : 314 -319 . DOI: 10.61558/2993-074X.3315

Abstract

The de_adsorption behavior of four inhibitors on N80 steel with and without carbonate film was investigated by polarization and electrochemical impedance spectroscopy (EIS) techniques. It was found that,for different inhibitors,de_adsorption behavior and adsorbability between with and without carbonate film are different.Furthermore,acidic inhibitor and small size molecule inhibitor shows different inhibition behavior.

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