Please use this identifier to cite or link to this item: https://doi.org/10.1016/S1468-6996(01)00038-9
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dc.titleUnidirectional solidification of a Zn-rich Zn-2.17 wt%Cu hypo-peritectic alloy
dc.contributor.authorMa, D.
dc.contributor.authorLi, Y.
dc.contributor.authorNg, S.C.
dc.contributor.authorJones, H.
dc.date.accessioned2014-10-16T09:48:02Z
dc.date.available2014-10-16T09:48:02Z
dc.date.issued2001-03
dc.identifier.citationMa, D., Li, Y., Ng, S.C., Jones, H. (2001-03). Unidirectional solidification of a Zn-rich Zn-2.17 wt%Cu hypo-peritectic alloy. Science and Technology of Advanced Materials 2 (1) : 127-130. ScholarBank@NUS Repository. https://doi.org/10.1016/S1468-6996(01)00038-9
dc.identifier.issn14686996
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98516
dc.description.abstractUnidirectional solidification of a Zn-rich Zn-2.17 wt%Cu hypo-peritectic alloy has been carried out to investigate the microstructure evolution over the growth velocity range 0.02-4.82 mm/s at a temperature gradient of 15 K/mm by means of the Bridgman technique. Regular and plate-like two-phase cellular structures were observed in samples grown at growth velocities V above 0.48 and 2.64 mm/s, respectively. The dominant microstructure in samples grown below 0.22 mm/s was dendrites of primary ε in a matrix of secondary η. Intercellular spacing Λ decreased with increasing growth velocity V such that ΛV1/2 is a constant of 316 ± 55 μm3/2/s1/2. Secondary dendrite arm spacing λ2 of primary ε decreased with increasing V such that λ2V1/3 is a constant of 14.9 ± 0.9 μm4/3/s1/3. The observed transition from regular cells to plate-like cells of η is discussed on the basis of competitive growth and crystallographic effect. © 2001 Published by Elsevier Science Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/S1468-6996(01)00038-9
dc.sourceScopus
dc.subjectCellular growth
dc.subjectHypo-peritectic alloy
dc.subjectUnidirectional solidification
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentMATERIALS SCIENCE
dc.description.doi10.1016/S1468-6996(01)00038-9
dc.description.sourcetitleScience and Technology of Advanced Materials
dc.description.volume2
dc.description.issue1
dc.description.page127-130
dc.identifier.isiut000209726900023
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