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Decoupled versus coupled growth dynamics of an irregular eutectic alloy

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dc.contributor.coauthorBottin-Rousseau, Sabine
dc.contributor.coauthorAkamatsu, Silvere
dc.contributor.departmentDepartment of Mechanical Engineering
dc.contributor.departmentGraduate School of Sciences and Engineering
dc.contributor.kuauthorMohagheghi, Samira
dc.contributor.kuauthorŞerefoğlu, Melis
dc.contributor.schoolcollegeinstituteCollege of Engineering
dc.contributor.schoolcollegeinstituteGRADUATE SCHOOL OF SCIENCES AND ENGINEERING
dc.date.accessioned2024-11-10T00:05:52Z
dc.date.issued2020
dc.description.abstractWe present an experimental study of irregular growth patterns observed in real time during thinsample directional solidification of a faceted/nonfaceted eutectic alloy, namely, the transparent 2-amino-2-methyl-1,3-propanediol (AMPD)-succinonitrile (SCN) system. The body-centered cubic SCN crystals are nonfaceted, while monoclinic AMPD crystals grow as faceted needles. At low velocities (<0.3 mu ms(-1)), a decoupled growth regime is observed, during which the tip of the AMPD crystals grows ahead of the SCN-liquid interface. At intermediate velocities, an unsteady coupled-growth regime takes place, with intermittent pinning of triple SCN-AMPD-liquid junctions, and frequent noncrystallographic branching. At higher velocities (>1 mu ms(-1)), two-phase fingers form.
dc.description.fulltextNo
dc.description.harvestedfromManual
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.openaccessNO
dc.description.peerreviewstatusN/A
dc.description.publisherscopeInternational
dc.description.readpublishN/A
dc.description.sponsoredbyTubitakEuN/A
dc.description.versionN/A
dc.identifier.doi10.1016/j.scriptamat.2020.07.053
dc.identifier.embargoN/A
dc.identifier.endpage15
dc.identifier.issn1359-6462
dc.identifier.quartileQ1
dc.identifier.scopus2-s2.0-85089003190
dc.identifier.startpage11
dc.identifier.urihttps://doi.org/10.1016/j.scriptamat.2020.07.053
dc.identifier.urihttps://hdl.handle.net/20.500.14288/16515
dc.identifier.volume189
dc.identifier.wos000573816100003
dc.keywordsIrregular eutectic growth
dc.keywordsDirectional solidification
dc.keywordsEutectic solidification
dc.keywordsInterface dynamics
dc.keywordsSolidification microstructures
dc.language.isoeng
dc.publisherElsevier
dc.relation.affiliationKoç University
dc.relation.collectionKoç University Institutional Repository
dc.relation.ispartofScripta Materialia
dc.relation.openaccessN/A
dc.rightsN/A
dc.subjectNanoscience and nanotechnology
dc.subjectMaterials science, multidisciplinary
dc.subjectMetallurgy and metallurgical engineering
dc.titleDecoupled versus coupled growth dynamics of an irregular eutectic alloy
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorMohagheghi, Samira
local.contributor.kuauthorŞerefoğlu, Melis
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