Recent developments in corrosion inhibitors based on rare earth metal compounds

Forsyth,M, Seter,M, Tan,MY and Hinton,B 2014, Recent developments in corrosion inhibitors based on rare earth metal compounds, Corrosion engineering science and technology, vol. 49, no. 2, pp. 130-135, doi: 10.1179/1743278214Y.0000000148.

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Title Recent developments in corrosion inhibitors based on rare earth metal compounds
Author(s) Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
Seter,M
Tan,MY
Hinton,BORCID iD for Hinton,B orcid.org/0000-0002-0894-1388
Journal name Corrosion engineering science and technology
Volume number 49
Issue number 2
Start page 130
End page 135
Publisher Maney Publishing
Place of publication Leeds, England
Publication date 2014-04
ISSN 1478-422X
1743-2782
Keyword(s) Aluminium
Corrosion inhibitors
Rare earth compounds
Steel
Science & Technology
Technology
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Materials Science
ALUMINUM-ALLOY
CINNAMATE COMPOUNDS
PROTECTION
AA2024-T3
MECHANISM
CHROMATE
CERIUM
FILM
Summary Rare earth organic compounds can provide an environmentally safe and non-toxic alternative to chromates as corrosion inhibitors for some steel and aluminium applications. For steel lanthanum 4-hydroxy cinnamate offers corrosion protection and reduces the susceptibility to hydrogen embrittlement. Recent work has also indicated that it inhibits the corrosion of steel in environments containing high levels of carbon dioxide. For aluminium alloys, cerium diphenyl phosphate provides excellent corrosion inhibition in chloride environments, and reduces susceptibly to stress corrosion cracking. Furthermore, for both steel and aluminium alloys filiform corrosion can be suppressed when rare earth inhibitor compounds are added as pigments to polymer coatings. The levels of inhibition observed are thought to be due to synergistic effects between the rare earth and organic parts of these novel compounds, and are related to the various species that may be present in the complex chemical conditions that develop in solution close to a metal surface. This paper reviews some of the published research conducted by the group at Deakin University over recent years.©2014 Institute of Materials, Minerals and Mining.
Language eng
DOI 10.1179/1743278214Y.0000000148
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, Maney Publishing
Persistent URL http://hdl.handle.net/10536/DRO/DU:30068262

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