File(s) under permanent embargo
Anodising AA5083 aluminium alloy using ionic liquids
conference contribution
posted on 2011-01-01, 00:00 authored by Peipei Huang, Patrick HowlettPatrick Howlett, D MacFarland, Maria ForsythMaria ForsythAluminium, as the current collector in lithium batteries, has shown reduced corrosion susceptibility in room temperature molten salts (1, 2). Moreover, previous studies have established that corrosion mitigation is achieved on magnesium alloys using ionic liquids pretreatments (3, 4). This paper investigated the anodisation of AA5083 aluminium alloy in Trihexyl(tetradecyl)phosphonium bis(trifluoromethylsulfony) ([P6,6,6,14][NTf2]) ionic liquid by applying a constant current followed by holding at the maximum potential for a period of time. Potentiodynamic polarisation results show that the treated surfaces were more corrosion resistant in 0.1 M sodium chloride solution compared with the control specimen. The anodising treatment was effective both in shifting the free corrosion potential to more noble values and in suppressing the corrosion current. Optical microscope and optical profilometry images indicated that an anodising film was deposited onto the alloy surface, which is thought to have inhibited corrosion in chloride environment. Further characterisation of the anodising film will be carried out in future work.
History
Event
International Corrosion Congress (18th : 2011 : Perth, W. A.)Pagination
1 - 8Publisher
International Corrosion CouncilLocation
Perth, W. A.Place of publication
[Perth, W. A.]Start date
2011-11-20End date
2011-11-24Language
engPublication classification
E1 Full written paper - refereedCopyright notice
2011, The AuthorsTitle of proceedings
ICC 2011 : 18th International Corrosion Congress : Corrosion Control, Contributing to a Sustainable Future for AllUsage metrics
Categories
No categories selectedLicence
Exports
RefWorks
BibTeX
Ref. manager
Endnote
DataCite
NLM
DC