Unidirectional solidification of Zn-rich Zn-Cu hypoperitectic alloy

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dc.authorid0000-0001-8746-8770
dc.authorid0000-0002-6830-8349
dc.contributor.authorKaya, Hasan
dc.contributor.authorEngin, Sevda
dc.contributor.authorBoyuk, Ugur
dc.contributor.authorCadirli, Emin
dc.contributor.authorMarasli, Necmettin
dc.date.accessioned2019-08-01T13:38:39Z
dc.date.available2019-08-01T13:38:39Z
dc.date.issued2009
dc.departmentNiğde ÖHÜ
dc.description.abstractZn-0.7 wt% Cu-hypoperitectic alloy was prepared in a graphite crucible under a vacuum atmosphere. Unidirectional solidification of the Zn-0.7 wt% Cu-hypoperitectic alloy was carried out by using a Bridgman-type directional solidification apparatus under two different conditions: (i) with different temperature gradients (G = 3.85-9.95 K/mm) at a constant growth rate (41.63 mu m/s) and (ii) with different growth rate ranges (G = 8.33-435.67 mu m/s) at a constant temperature gradient (3.85 K/mm). The microstructures of the directionally solidified Zn-0.7 wt% Cu-hypoperitectic samples were observed to be a cellular structure. From both transverse and longitudinal sections of the samples, cellular spacing (lambda) and cell-tip radius (R) were measured. The effects of solidification-processing parameters (G and V) on the microstructure parameters (lambda and R) were obtained by using a linear regression analysis. The present experimental results were also compared with the current theoretical and numerical models and similar previous experimental results.
dc.description.sponsorshipScientific and Technical Research Council of Turkey (TUBITAK) [107T095]
dc.description.sponsorshipThis research was financially supported by the Scientific and Technical Research Council of Turkey (TUBITAK, under Contract No. 107T095). We are grateful to TUBITAK for their financial support.
dc.identifier.doi10.1557/JMR.2009.0415
dc.identifier.endpage3431
dc.identifier.issn0884-2914
dc.identifier.issue11
dc.identifier.scopus2-s2.0-70450148997
dc.identifier.scopusqualityQ2
dc.identifier.startpage3422
dc.identifier.urihttps://dx.doi.org/10.1557/JMR.2009.0415
dc.identifier.urihttps://hdl.handle.net/11480/4999
dc.identifier.volume24
dc.identifier.wosWOS:000271352200021
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor[0-Belirlenecek]
dc.language.isoen
dc.publisherMATERIALS RESEARCH SOC
dc.relation.ispartofJOURNAL OF MATERIALS RESEARCH
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.titleUnidirectional solidification of Zn-rich Zn-Cu hypoperitectic alloy
dc.typeArticle

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