ACTIVE-POLYPHENOLIC-COMPOUNDS-RICH GREEN INHIBITOR FOR THE SURFACE PROTECTION OF LOW CARBON STEEL IN ACIDIC MEDIUM

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Title:	ACTIVE-POLYPHENOLIC-COMPOUNDS-RICH GREEN INHIBITOR FOR THE SURFACE PROTECTION OF LOW CARBON STEEL IN ACIDIC MEDIUM
Authors:	Chung, Ill-Min Venkatesan, Hemapriya Ponnusamy, Kanchana Natarajan, Arunadevi S, Chitra Kim, Seung-Hyun Mayakrishnan, Prabakaran
Keywords:	Rhododendron schlippenbachii polyphenolic compounds corrosion physicochemical interactions DFT AFM
Issue Date:	28-Aug-2019
Publisher:	World Science Publishing Company
Abstract:	Eco-friendly biodegradable Rhododendron schlippenbachii (R. schlippenbachii) green inhibitors, R. schlippenbachii methanolic (RSMeOH) extract, which can effectively reduce low carbon steel corrosion rate, were investigated using weight-loss and electrochemical (electrochemical impedance spectroscopy) techniques. The inhibitors exhibited higher efficiency by retarding the corrosion process in 1M H2SO4 and the inhibition efficiency is found to be concentration dependent. The reactivity of the predominant phytochemical components of the extract are analyzed. The adsorption of inhibitors on low carbon steel is followed the Langmuir adsorption. The protective inhibitor film formed on the metal surface was confirmed by SEM and AFM techniques
URI:	https://doi.org/10.1142/S0218625X19501543 http://localhost:8080/xmlui/handle/123456789/2230
ISSN:	0218-625X
Appears in Collections:	International Journals

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