Phase-oriented surface segregation in an aluminium casting alloy

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dc.contributor.authorNguyen, CLen_AU
dc.contributor.authorAtanacio, AJen_AU
dc.contributor.authorZhang, Wen_AU
dc.contributor.authorPrince, KEen_AU
dc.contributor.authorHyland, MMen_AU
dc.contributor.authorMetson, JBen_AU
dc.date.accessioned2009-11-09en_AU
dc.date.accessioned2010-04-30T05:04:35Zen_AU
dc.date.available2009-11-09en_AU
dc.date.available2010-04-30T05:04:35Zen_AU
dc.date.issued2009-02-15en_AU
dc.date.statistics2009-02-15en_AU
dc.description.abstractThere have been many reports of the surface segregation of minor elements, especially Mg, into surface layers and oxide films on the surface of Al alloys. LM6 casting alloy (Al–12%Si) represents a challenging system to examine such segregation as the alloy features a particularly inhomogeneous phase structure. The very low but mobile Mg content (approximately 0.001 wt.%), and the surface segregation of modifiers such as Na, mean the surface composition responds in a complex manner to thermal treatment conditions. X-ray photoelectron spectroscopy (XPS) has been used to determine the distribution of these elements within the oxide film. Further investigation by dynamic secondary ion mass spectrometry (DSIMS) confirmed a strong alignment of segregated Na and Mg into distinct phases of the structure. © 2009, Elsevier Ltd.en_AU
dc.identifier.citationNguyen, C. L., Atanacio, A., Zhang, W., Prince, K. E., Hyland, M. M., & Metson, J. B. (2009). Phase-oriented surface segregation in an aluminium casting alloy. Applied Surface Science, 255(9), 4880-4885. doi:10.1016/j.apsusc.2008.12.025en_AU
dc.identifier.govdoc1298en_AU
dc.identifier.issn0169-4332en_AU
dc.identifier.issue9en_AU
dc.identifier.journaltitleApplied Surface Scienceen_AU
dc.identifier.pagination4880-4885en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.apsusc.2008.12.025en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/2233en_AU
dc.identifier.volume255en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectAluminium alloysen_AU
dc.subjectCastingen_AU
dc.subjectSegregationen_AU
dc.subjectSurfacesen_AU
dc.subjectX-ray photoelectron spectroscopyen_AU
dc.subjectMagnesiumen_AU
dc.subjectMass spectroscopyen_AU
dc.titlePhase-oriented surface segregation in an aluminium casting alloyen_AU
dc.typeJournal Articleen_AU
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