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Role of microstructure in corrosion initiation of a highly-deformed AA2024 wire
journal contributionposted on 01.11.2018, 00:00 authored by Reza ParviziReza Parvizi, A E Hughes, A M Glenn, Pavel CizekPavel Cizek, Mike Yongjun TanMike Yongjun Tan, Maria ForsythMaria Forsyth
Stable pits with H2evolution preferentially occurred in an annular region surrounding the centre of AA2024 wire. The grain size and intermetallic particles (α-phase, Al7Cu2Fe, Al2CuMg, Mg2Si, Al2Cu) distributions were the same for both regions. However, the annulus had mixed orientations, high angle grain boundaries and microshear bands while the centre was dominated by  orientations and low angle grain boundaries with the latter being responsible for its passive nature.
Pagination184 - 197
LocationAmsterdam, The Netherlands
Publication classificationC Journal article; C1 Refereed article in a scholarly journal
Copyright notice2018, Elsevier Ltd.
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Wire microstructurePlastic deformationCrystallographic defectsIntermetallic particlesElectron microscopyElectron backscattered diffractionScience & TechnologyTechnologyMaterials Science, MultidisciplinaryMetallurgy & Metallurgical EngineeringMaterials ScienceLASER-SCANNING MICROSCOPYSINGLE-CRYSTAL ALUMINUMLOCALIZED CORROSIONPITTING CORROSIONALLOYALEVOLUTIONRECRYSTALLIZATIONGRAIN