Electrochemical Study of Corrosion Inhibition Properties of Polyvinyl Alcohol/Graphene Nanocomposites on Carbon Steel

سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 431

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شناسه ملی سند علمی:

ELECTROCHEMISTRY011_210

تاریخ نمایه سازی: 5 بهمن 1395

چکیده مقاله:

In this work, anti-corrosion behavior of synthesized water soluble poly vinyl alcohol/graphene (PVA/G) nanocomposite was investigated. Firstly, prepared PVA/G was characterized by FTIR,SEM-EDX, and XRD techniques. Then, electrochemical techniques such as open circuit potential (OCP), potentiodynamic polarization and electrochemical impedance (EIS) were employed to study the corrosion protection performance of PVA/G on carbon steel in NaCl 3.5%environment. The role of concentration of PVA/G, incubation time of film formation on the carbon steel corrosion has been investigated. Observed results showed the PVA/G acts as mixedtype inhibitor and could serve as an effective corrosion inhibitor for carbon steel in NaCl 3.5%environment. Surface morphology of the protected carbon steel specimen with PVA/G was investigated by SEM and EDXA that confirms the protection of mild steel surface by strong adsorption of nanocomposite. Observed results will be presented and discussed.

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نویسندگان

Mojtaba Bagherzade

Material Research School, NSTRI, 81465-1589, Isfahan, I.R. IRAN

Morteza Abbasi

Department of Material engineering, Islamic Azad University of Shahreza, I.R. IRAN