Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/13829
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dc.contributor.authorGeorgatis, E.en
dc.contributor.authorLekatou, A.en
dc.contributor.authorKarantzalis, A. E.en
dc.contributor.authorPetropoulos, H.en
dc.contributor.authorKatsamakis, S.en
dc.contributor.authorPoulia, A.en
dc.date.accessioned2015-11-24T17:33:12Z-
dc.date.available2015-11-24T17:33:12Z-
dc.identifier.issn1059-9495-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/13829-
dc.rightsDefault Licence-
dc.subjectagingen
dc.subjectheat extraction beden
dc.subjecthypereutectic al-mg2sien
dc.subjectin situ compositeen
dc.subjectinvestment castingen
dc.subjectsolution treatmenten
dc.subjectmetal-matrix compositesen
dc.subjectelectron-microscopeen
dc.subjecteutectic siliconen
dc.subjectnucleating roleen
dc.subjectprimary mg2sien
dc.subjectalloysen
dc.subjectsolidificationen
dc.subjectintermetallicsen
dc.subjectstrontiumen
dc.subjectaluminumen
dc.titleDevelopment of a Cast Al-Mg2Si-Si In Situ Composite: Microstructure, Heat Treatment, and Mechanical Propertiesen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primaryDOI 10.1007/s11665-012-0337-6-
heal.identifier.secondary<Go to ISI>://000314899800011-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικώνel
heal.publicationDate2013-
heal.abstractAn Al-11Mg(2)Si-Si in situ composite was prepared by a modified investment casting technique that employs sub-pressure for castability improvement and immersion of ceramic shell molds in fluidized beds of silica sand and iron particles for heat extraction improvement. The microstructure of the as-cast composite is explained according to the pseudoeutectic Al-Mg2Si phase diagram. The positive effect of a decreased number of mold investment layers and cooling assisted by immersion of the mold in a metallic bed on the tensile strength and hardness of the heat treated composite is noted. A minor presence of Fe in the master alloys constitutes an essential factor for the brittleness of the composite. Solution treatment notably improves the tensile strength of the composite; however, prolonged treatment deteriorates its ductility. The effect of time and temperature of the aging treatment on the hardness of the composite is investigated. The positive influence of cooling assisted by a metallic fluidized bed on the effectiveness of the aging treatment is noticed.en
heal.publisherSpringeren
heal.journalNameJournal of Materials Engineering and Performanceen
heal.journalTypepeer reviewed-
heal.fullTextAvailabilityTRUE-
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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