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Title

Inhibitive Assessment of N-(۸-bromo-۳H-phenoxazin-۳-ylidene)-N,N’-Dimethylaminium, as a Novel Corrosion Inhibitor for Mild Steel in ۱.۰ M HCl

فصلنامه مواد پیشرفته و فرآوری، دوره: 2، شماره: 3
Year: 1393
COI: JR_JMATPR-2-3_003
Language: EnglishView: 51
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Authors

Mansoor Bozorg - Department of Materials Engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran.
Taghi Shahrabi Farahani - Department of Materials Engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran.
Ghodsi Mohammadi Ziarani - Department of Chemistry, Alzahra University, Tehran, Iran.
Jaber Neshati - Research Institute of Petroleum Industry, RIPI, Tehran, Iran.
Zahra Chaghazardi - Department of Materials Engineering, Faculty of Engineering, Tarbiat Modares University, Tehran, Iran.
Parisa Gholamzadeh - Department of Chemistry, Alzahra University, Tehran, Iran.
Fatemeh Ektefa - Department of Chemistry, Faculty of Science, Tarbiat Modares University, Tehran, Iran.

Abstract:

The inhibition effect of N-(۸-bromo-۳H-phenoxazin-۳-ylidene)-N,N’-dimethylaminium (DPhDMA) on the corrosion behavior of mild steel in ۱.۰ M HCl solution has been studied. Weight loss measurements, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and quantum chemical calculations were used in this study. Electrochemical results revealed that DPhDMA is an effective mixed type inhibitor for mild steel in ۱.۰ M HCl solution, and its inhibition efficiency increased with increasing its concentration and with the immersion time of the samples in the corrosive media. The adsorption of DPhDMA also led to a reduction in electric double layer capacitance and an increase in charge transfer resistance confirming its inhibitive effect on the corrosion behavior of mild steel samples. The thermodynamic parameters governing the adsorption process showed that DPhDMA was adsorbed spontaneously on mild steel surface through a combination of physical and chemical mechanisms following Langmuir adsorption isotherm. Quantum chemical calculations were used to correlate the performance of DPhDMA with its electronic structural parameters.

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This Paper COI Code is JR_JMATPR-2-3_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1282688/

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Bozorg, Mansoor and Shahrabi Farahani, Taghi and Mohammadi Ziarani, Ghodsi and Neshati, Jaber and Chaghazardi, Zahra and Gholamzadeh, Parisa and Ektefa, Fatemeh,1393,Inhibitive Assessment of N-(۸-bromo-۳H-phenoxazin-۳-ylidene)-N,N’-Dimethylaminium, as a Novel Corrosion Inhibitor for Mild Steel in ۱.۰ M HCl,https://civilica.com/doc/1282688

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Paper count: 34,303
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