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Probing corrosion initiation at interfacial nanostructures of AA2024-T3

Parvizi, Reza, Hughes, Anthony E., Tan, Mike Y., Marceau, Ross K. W., Forsyth, Maria, Cizek, Pavel and Glenn, Alexander M. 2017, Probing corrosion initiation at interfacial nanostructures of AA2024-T3, Corrosion science, vol. 116, pp. 98-109, doi: 10.1016/j.corsci.2016.12.006.

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Title Probing corrosion initiation at interfacial nanostructures of AA2024-T3
Author(s) Parvizi, Reza
Hughes, Anthony E.
Tan, Mike Y.ORCID iD for Tan, Mike Y. orcid.org/0000-0002-0765-108X
Marceau, Ross K. W.ORCID iD for Marceau, Ross K. W. orcid.org/0000-0003-3612-8762
Forsyth, MariaORCID iD for Forsyth, Maria orcid.org/0000-0002-4273-8105
Cizek, Pavel
Glenn, Alexander M.
Journal name Corrosion science
Volume number 116
Start page 98
End page 109
Total pages 12
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2017-02-15
ISSN 0010-938X
1879-0496
Keyword(s) aluminium
alloy
oxidation
de-alloying
interfaces
effects of strain
Summary High-strength aluminium alloys such as AA2024-T3 are often developed by the introduction of plastic deformation to a precipitate containing microstructure. These alloys contain complex, near-surface nanostructures whose effects on localised corrosion processes have not been well understood due primarily to the difficulty of characterising these heterogeneous compositions and structures. In this work, we observed entangled oxide networks co-located with dislocation structures piled up at corroded intermetallic particles of an AA2024-T3 alloy. It was revealed that dislocation arrays act as pathways for corrosive species and promote structural degradation at interfacial regions, providing a new insight into corrosion initiation at the nano-scale.
Language eng
DOI 10.1016/j.corsci.2016.12.006
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30090973

Document type: Journal Article
Collections: School of Engineering
Institute for Frontier Materials
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