Volume 6, Issue 3, May 2017, Page: 160-164
Investigation of Corrosion Inhibition of Quaternary Ammonium Salt on N80 Steel in 5M HCl Solution
Yang Yaohui, CNPC Research Institute of Engineering Technology, Tianjin, China; Key Laboratory of Tubular Goods Engineering, CNPC-Research Division of Anti-Corrosion Coating and Thermal Insulation Structure, Tianjin, China
Li Lingjie, CNPC Research Institute of Engineering Technology, Tianjin, China; Key Laboratory of Tubular Goods Engineering, CNPC-Research Division of Anti-Corrosion Coating and Thermal Insulation Structure, Tianjin, China
Zhang Yanjun, CNPC Research Institute of Engineering Technology, Tianjin, China; Key Laboratory of Tubular Goods Engineering, CNPC-Research Division of Anti-Corrosion Coating and Thermal Insulation Structure, Tianjin, China
Lin Zhu, CNPC Research Institute of Engineering Technology, Tianjin, China; Key Laboratory of Tubular Goods Engineering, CNPC-Research Division of Anti-Corrosion Coating and Thermal Insulation Structure, Tianjin, China
Tong Hui, CNPC Research Institute of Engineering Technology, Tianjin, China; Key Laboratory of Tubular Goods Engineering, CNPC-Research Division of Anti-Corrosion Coating and Thermal Insulation Structure, Tianjin, China
Received: Jun. 6, 2017;       Published: Jun. 6, 2017
DOI: 10.11648/j.ijmsa.20170603.18      View  2514      Downloads  119
Abstract
Corrosion inhibition of N80 in 5M HCl solution by pyridine quaternary ammonium salt has been studied by weight loss measurements, potentiodynamic test, Tafel polarization and electrochemical impedance. The results show that corrosion rates of N80 steel decrease with increase of inhibitor concentration in 5M HCl solution at temperature 333K and 363K. The adsorption of inhibitor on N80 steel was studied from the results of the weight loss experiment. The adsorption is in conformity with langmuir isothermal adsorption equation at 333 K, the value of indicates the adsorption were both chemical and physical adsorption.
Keywords
Quaternary Ammonium Salt, Inhibitor, N80 Steel, Corrosion, Absorption
To cite this article
Yang Yaohui, Li Lingjie, Zhang Yanjun, Lin Zhu, Tong Hui, Investigation of Corrosion Inhibition of Quaternary Ammonium Salt on N80 Steel in 5M HCl Solution, International Journal of Materials Science and Applications. Vol. 6, No. 3, 2017, pp. 160-164. doi: 10.11648/j.ijmsa.20170603.18
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