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Rare earth 4-hydroxycinnamate compounds as carbon dioxide corrosion inhibitors for steel in sodium chloride solution

Nam, ND, Mathesh,M, Hinton,B, Tan,MJY and Forsyth,M 2014, Rare earth 4-hydroxycinnamate compounds as carbon dioxide corrosion inhibitors for steel in sodium chloride solution, Journal of the electrochemical society, vol. 161, no. 12, pp. C527-C534, doi: 10.1149/2.0231412jes.

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Title Rare earth 4-hydroxycinnamate compounds as carbon dioxide corrosion inhibitors for steel in sodium chloride solution
Author(s) Nam, ND
Mathesh,M
Hinton,B
Tan,MJYORCID iD for Tan,MJY orcid.org/0000-0002-0765-108X
Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
Journal name Journal of the electrochemical society
Volume number 161
Issue number 12
Start page C527
End page C534
Total pages 8
Publisher Electrochemical Society
Place of publication Pennington, NJ
Publication date 2014-01-01
ISSN 0013-4651
Keyword(s) Science & Technology
Physical Sciences
Technology
Electrochemistry
Materials Science, Coatings & Films
Materials Science
X-RAY PHOTOELECTRON
MILD-STEEL
MECHANISTIC MODEL
AQUEOUS-SOLUTION
CO2 CORROSION
FILMS
IRON
XPS
SPECTROSCOPY
CINNAMATE
Summary A series of rare earth 4-hydroxycinnamate compounds including Ce(4OHCin)3, La(4OHCin)3, and Pr(4OHCin)3 has been synthesized and evaluated as novel inhibitors for carbon dioxide corrosion of steel in CO2-saturated sodium chloride solutions. Electrochemical measurements and surface analysis have shown that these REM(4OHCin)3 compounds effectively inhibited CO2 corrosion by forming protective inhibiting deposits that shut down the active electrochemical corrosion sites on the steel surface. Inhibition efficiency was found to increase in the order Ce(4OHCin)3 < La(4OHCin)3 < Pr(4OHCin)3 and with increase in inhibitor concentration up to 0.63 mM. Detailed insights into corrosion inhibition mechanism of these compounds in carbon dioxide environment are also provided.
Language eng
DOI 10.1149/2.0231412jes
Field of Research 091207 Metals and Alloy Materials
030604 Electrochemistry
Socio Economic Objective 870302 Metals (e.g. Composites
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Electrochemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30068276

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.