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研究论文

氨基酸缓蚀剂在盐酸溶液中对钢的缓蚀作用

  • 程明焱 ,
  • 吴伟明 ,
  • 刘鹤鸣 ,
  • 杜海燕
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  • 江西理工大学材料与化学工程学院,江西理工大学材料与化学工程学院,江西理工大学材料与化学工程学院,江西理工大学材料与化学工程学院 江西赣州341000,江西赣州341000,北京科技大学材料科学与工程学院,北京100083,江西赣州341000,江西赣州341000

收稿日期: 2008-05-28

  修回日期: 2008-05-28

  网络出版日期: 2008-05-28

Inhibition of Amino Acids Against Steel in Hydrochloric Acid Solution

  • CHENG Ming-yan ,
  • WU Wei-ming ,
  • LIU He-ming ,
  • DU Hai-yan
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  • (1.Jiangxi University of Science and Technology,School of Materials and Chemical Engineering,Ganzhou 341000,China;2.School of Materials Science and Engineering,University of Science andTechnology Beijing,Beijing 100083,China

Received date: 2008-05-28

  Revised date: 2008-05-28

  Online published: 2008-05-28

摘要

应用极化曲线、电化学阻抗谱等测试技术,研究了以谷氨酸作缓蚀剂在10%盐酸介质中对X65钢的缓蚀作用,测试腐蚀参数包括腐蚀电位(Ecorr)、极化电阻(Rp)、缓蚀效率(η)等.研究表明:该缓蚀剂是一种抑制阴极为主的混合型缓蚀剂,在较低的浓度具有良好缓蚀效果;缓蚀效率随着浓度的增加而提高,并在0.3g.L-1时达到最大值(90%以上).

本文引用格式

程明焱 , 吴伟明 , 刘鹤鸣 , 杜海燕 . 氨基酸缓蚀剂在盐酸溶液中对钢的缓蚀作用[J]. 电化学, 2008 , 14(2) : 200 -204 . DOI: 10.61558/2993-074X.1891

Abstract

The inhibition effect of glutamic acid towards the corrosion of X65 steel in hydrochloric acid solution(10%) was investigated using polarization techniques、electrochemical impedance spectroscopy(EIS) and SEM.The corrosion rate,corrosion potential(Ecoor),polarization resistance(Rp) and inhibition efficiency(η) were determined.The results revealed that the inhibitor is a mixed type inhibitor.It has promising corrosion inhibition efficiency at low concentrations.The inhibition efficiency(η) increased with increasing the concentration.The maximum inhibition efficiency appeared at 0.3 g·L-1.
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