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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.indexedbyWOS
dc.description.indexedbyScopus
dc.description.openaccessNO
dc.description.publisherscopeInternational
dc.description.sponsoredbyTubitakEuN/A
dc.description.volume189
dc.identifier.doi10.1016/j.scriptamat.2020.07.053
dc.identifier.issn1359-6462
dc.identifier.quartileQ2
dc.identifier.scopus2-s2.0-85089003190
dc.identifier.urihttps://doi.org/10.1016/j.scriptamat.2020.07.053
dc.identifier.urihttps://hdl.handle.net/20.500.14288/16515
dc.identifier.wos573816100003
dc.keywordsIrregular eutectic growth
dc.keywordsDirectional solidification
dc.keywordsEutectic solidification
dc.keywordsInterface dynamics
dc.keywordsSolidification microstructures
dc.language.isoeng
dc.relation.ispartofScripta Materialia
dc.subjectNanoscience Nanotechnology
dc.subjectMaterials Science
dc.subjectMetallurgy
dc.subjectMetallurgical 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
local.publication.orgunit1GRADUATE SCHOOL OF SCIENCES AND ENGINEERING
local.publication.orgunit1College of Engineering
local.publication.orgunit2Department of Mechanical Engineering
local.publication.orgunit2Graduate School of Sciences and Engineering
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