Epoxy coatings modified with a new cerium phosphate inhibitor for smart corrosion protection of steel | Health & Environmental Research Online (HERO)

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HERO ID

9419636

Reference Type

Journal Article

Title

Epoxy coatings modified with a new cerium phosphate inhibitor for smart corrosion protection of steel

Author(s)

Morozov, Y; Calado, LM; Shakoor, RA; Raj, R; Kahraman, R; Taryba, MG; Montemor, MF

Year

2019

Is Peer Reviewed?

Yes

Journal

Corrosion Science
ISSN: 0010-938X
EISSN: 1879-0496

Publisher

Elsevier Ltd

Location

OXFORD

Volume

159

Page Numbers

108128

Language

English

DOI

10.1016/j.corsci.2019.108128

Web of Science Id

WOS:000488143500019

URL

https://www.scopus.com/inward/record.uri?eid=2-s2.0-85071899926&doi=10.1016%2fj.corsci.2019.108128&partnerID=40&md5=f2f0a54a773576d2a773cfc50a0874ad
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Abstract

In this work cerium tri(bis(2-ethylhexyl)phosphate) (Ce(DEHP)3) particles were used as anti-corrosion pigments in epoxy coatings applied on steel coupons. The composition of the corrosion inhibitor was designed to introduce pH-stimulated corrosion healing in the coating. Electrochemical Impedance measurements demonstrated very high compatibility between the inhibitor and the coating, and effective and stable corrosion protection. Localized electrochemical measurements carried out using the Scanning Vibrating Electrode Technique and Localised Electrochemical Impedance revealed efficient corrosion inhibition of steel exposed in artificially damaged coatings. Â© 2019 Elsevier Ltd

Keywords

Coatings; Self healing; Corrosion; Inhibitor; Steel