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Progress in Color, Colorants and Coatings، جلد ۱۵، شماره ۲، صفحات ۱۳۳-۱۴۱
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عنوان انگلیسی Study of Corrosion Behavior of N'-acetyl-4-pyrrol-1-ylbenzohydrazide for Low-Carbon Steel in the Acid Environment: Experimental, Adsorption Mechanism, Surface Investigation, and DFT Studies
چکیده انگلیسی مقاله New corrosion inhibitors, namely N'-acetyl-4-pyrrol-1-ylbenzohydrazide (NAPB), were synthesized by the reaction of 4-pyrrol-1-ylbenzohydrazide with acetic anhydride. NAPB w::as char::acterized by FTIR and NMR spectroscopy. Weight loss measurement was used to evaluate the corrosion inhibition of Low-carbon steel in a 1 M hydrochloric acid medium. The inhibition efficiency (IE%) increased as NAPB concentration increases and decreases as the solution temperature increases. The inhibition efficiency reached 94.6 % at the optimum concentration (500 ppm) of NAPB. The scanning electron microscopy technique proved the formation of a protective layer from NAPB molecules as corrosion inhibitors on the Low-carbon steel surface. The adsorption isotherm of NAPB molecules on the surface of Low-carbon steel was confirmed to follow the Langmuir adsorption isotherm. Further, through quantum chemical calculations using density functional theory (DFT), the importance of inhibition performance and molecular structure of an inhibitor has been theoretically investigated. Both experimental and theoretical findings are consistent with one another.
کلیدواژه‌های انگلیسی مقاله Corrosion inhibitor, low carbon, NAPB, DFT, Langmuir
نویسندگان مقاله M. M. Hanoon |
Production Engineering and Metallurgy, University of Technology, P.O. Box: 10001, Baghdad, Iraq

Z. A. Gbashi |
Production Engineering and Metallurgy, University of Technology, P.O. Box: 10001, Baghdad, Iraq

A. A. Al-Amiery |
Energy and Renewable Energies Technology Center, University of Technology, P.O. Box: 10001, Baghdad, Iraq

A. Kadhim |
Laser and Optoelectronics Engineering, University of Technology, P.O. Box: 10001, Baghdad, Iraq

A.A.H. Kadhum |
Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia (UKM), P.O. Box: 43000, Bangi, Selangor, Malaysia

M.S. Takriff |
Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment, University Kebangsaan Malaysia (UKM), P.O. Box: 43000, Bangi, Selangor, Malaysia

نشانی اینترنتی http://pccc.icrc.ac.ir/article_81789_51b7248487795a16f8eb9cbde6241d42.pdf
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