Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/7591
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dc.contributor.authorKandemir, Sinan-
dc.date.accessioned2020-01-16T08:40:38Z
dc.date.available2020-01-16T08:40:38Z
dc.date.issued2018-06en_US
dc.identifier.citationKandemir, S. (2018). Development of graphene nanoplatelet-reinforced AZ91 magnesium alloy by solidification processing. Journal of Materials Engineering and Performance, 27(6), 3014-3023. doi:10.1007/s11665-018-3391-xen_US
dc.identifier.issn1059-9495
dc.identifier.issn1059-9495-
dc.identifier.urihttps://doi.org/10.1007/s11665-018-3391-x
dc.identifier.urihttps://hdl.handle.net/11147/7591
dc.description.abstractIt is a challenging task to effectively incorporate graphene nanoplatelets (GNPs) which have recently emerged as potential reinforcement for strengthening metals into magnesium-based matrices by conventional solidification processes due to their large surface areas and poor wettability. A solidification processing which combines mechanical stirring and ultrasonic dispersion of reinforcements in liquid matrix was employed to develop AZ91 magnesium alloy matrix composites reinforced with 0.25 and 0.5 wt.% GNPs. The microstructural studies conducted with scanning and transmission electron microscopes revealed that fairly uniform distribution and dispersion of GNPs through the matrix were achieved due to effective combination of mechanical and ultrasonic stirring. The GNPs embedded into the magnesium matrix led to significant enhancement in the hardness, tensile strength and ductility of the composites compared to those of unreinforced AZ91 alloy. The strength enhancement was predominantly attributed to the grain refinement by the GNP addition and dislocation generation strengthening due to the coefficient of thermal expansion mismatch between the matrix and reinforcement. The improved ductility was attributed to the refinement of β eutectics by transforming from lamellar to the divorced eutectics due to the GNP additions. In addition, the strengthening efficiency of the composite with 0.25 wt.% GNP was found to be higher than those of the composite with 0.5 wt.% GNP as the agglomeration tendency of GNPs is increased with increasing GNP content. These results were compared with those of the GNP-reinforced magnesium composites reported in the literature, indicating the potential of the process introduced in this study in terms of fabricating light and high-performance metal matrix composites.en_US
dc.description.sponsorshipTUBITAK (214M091)en_US
dc.language.isoenen_US
dc.publisherSpringer Verlagen_US
dc.relation.ispartofJournal of Materials Engineering and Performanceen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGraphene nanoplateletsen_US
dc.subjectMagnesium alloysen_US
dc.subjectMetal matrix compositesen_US
dc.subjectMicrostructureen_US
dc.subjectMechanical propertyen_US
dc.titleDevelopment of graphene nanoplatelet-reinforced AZ91 magnesium alloy by solidification processingen_US
dc.typeArticleen_US
dc.authorid0000-0001-6987-2737en_US
dc.institutionauthorKandemir, Sinan-
dc.departmentİzmir Institute of Technology. Mechanical Engineeringen_US
dc.identifier.volume27en_US
dc.identifier.issue6en_US
dc.identifier.startpage3014en_US
dc.identifier.endpage3023en_US
dc.identifier.wosWOS:000435416000050en_US
dc.identifier.scopus2-s2.0-85046038152en_US
dc.relation.tubitakinfo:eu-repo/grantAgreement/TUBITAK/MAG/214M091
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1007/s11665-018-3391-x-
dc.relation.doi10.1007/s11665-018-3391-xen_US
dc.coverage.doi10.1007/s11665-018-3391-xen_US
dc.identifier.wosqualityQ3-
dc.identifier.scopusqualityQ2-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept03.10. Department of Mechanical Engineering-
Appears in Collections:Mechanical Engineering / Makina Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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