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Role of microstructure in corrosion initiation of a highly-deformed AA2024 wire
journal contribution
posted on 2018-11-01, 00:00 authored by Reza ParviziReza Parvizi, A E Hughes, A M Glenn, Pavel CizekPavel Cizek, Mike Yongjun TanMike Yongjun Tan, Maria ForsythMaria ForsythStable 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 [111] orientations and low angle grain boundaries with the latter being responsible for its passive nature.
History
Journal
Corrosion scienceVolume
144Pagination
184 - 197Publisher
ElsevierLocation
Amsterdam, The NetherlandsPublisher DOI
ISSN
0010-938XLanguage
engPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2018, Elsevier Ltd.Usage metrics
Keywords
Wire microstructurePlastic deformationCrystallographic defectsIntermetallic particlesElectron microscopyElectron backscattered diffractionScience & TechnologyTechnologyMaterials Science, MultidisciplinaryMetallurgy & Metallurgical EngineeringMaterials ScienceLASER-SCANNING MICROSCOPYSINGLE-CRYSTAL ALUMINUMLOCALIZED CORROSIONPITTING CORROSIONALLOYALEVOLUTIONRECRYSTALLIZATIONGRAINMechanical Engineering
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