NIMTE OpenIR  > 2017专题
Corrosion inhibition of Q235 steel in 1 M HCl using quaternized tetraaniline as a corrosion inhibitor
Li, Xiangyu; Ye, Yuwei; Liu, Tong; Zheng, Wenru; Yang, Feng; Zhao, Haichao; Wang, Liping
2017
发表期刊SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES
卷号5期号:4
摘要Novel quaternary ammonium cation containing tetraaniline (QATA) was successfully synthesized by condensation of amine-capped tetraaniline with 6-bromohexanoic acid, followed by quaternarization with triethylamine. The corrosion inhibition performance of QATA with their adsorption mechanisms for Q235 steel was studied in 1 M HCl solution by a series of methods such as weight loss measurements, potentiodynamic polarization, electrochemical impedance spectroscopy, scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and atomic force microscopy (AFM). The inhibition efficiency (IE%) increased with increasing concentrations of QATA, reaching a value up to 97.47% at a concentration of 150 mgl(-1). Potentiodynamic polarization curves showed that the QATA affected both cathodic and anodic protection and was a mixed type inhibitor in 1 M HCl corrosive medium. Adsorption isotherm studies confirmed that the absorption of QATA on the Q235 steel surface in 1 M HCl solution obeyed Langmuir adsorption isotherm, and the adsorption process of corrosion inhibition on Q235 steel surface involved both the physical and chemical adsorption. The EDS analysis determined the adsorption of QATA molecules on the steel surface, the surface morphologies before and after immersion in 1 M HCl medium were also investigated by SEM and AFM.
关键词Mild-steel Carbon-steel Anticorrosion Coatings Gas-industry Adsorption Derivatives Oil Protection Nanowires Behavior
学科领域Engineering ; Materials Science ; Physics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17500
专题2017专题
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GB/T 7714
Li, Xiangyu,Ye, Yuwei,Liu, Tong,et al. Corrosion inhibition of Q235 steel in 1 M HCl using quaternized tetraaniline as a corrosion inhibitor[J]. SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES,2017,5(4).
APA Li, Xiangyu.,Ye, Yuwei.,Liu, Tong.,Zheng, Wenru.,Yang, Feng.,...&Wang, Liping.(2017).Corrosion inhibition of Q235 steel in 1 M HCl using quaternized tetraaniline as a corrosion inhibitor.SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES,5(4).
MLA Li, Xiangyu,et al."Corrosion inhibition of Q235 steel in 1 M HCl using quaternized tetraaniline as a corrosion inhibitor".SURFACE TOPOGRAPHY-METROLOGY AND PROPERTIES 5.4(2017).
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