Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.msea.2004.01.022
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dc.titleCellular growth of Zn-rich Zn-Ag alloys processed by rapid solidification
dc.contributor.authorXu, W.
dc.contributor.authorFeng, Y.P.
dc.contributor.authorLi, Y.
dc.contributor.authorLi, Z.Y.
dc.date.accessioned2014-10-16T09:17:37Z
dc.date.available2014-10-16T09:17:37Z
dc.date.issued2004-05-25
dc.identifier.citationXu, W., Feng, Y.P., Li, Y., Li, Z.Y. (2004-05-25). Cellular growth of Zn-rich Zn-Ag alloys processed by rapid solidification. Materials Science and Engineering A 373 (1-2) : 139-145. ScholarBank@NUS Repository. https://doi.org/10.1016/j.msea.2004.01.022
dc.identifier.issn09215093
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95940
dc.description.abstractRapid solidification experiments were carried out on single-phase Zn-rich Zn-Ag alloys processed by laser remelting and melt-spinning techniques. For comparison, Bridgman solidification was performed as well. Three solidification morphologies were mainly identified with increasing growth velocity from 0.02 to 300 mm/s: regular cells or dendrites of η, plate-like cells of η, and plane front of η. Plate-like and regular cells were found to be velocity-dependent and occurred in high-velocity and low-velocity domains, respectively. The development of solidification interface morphologies in the present Zn-Ag alloys was proposed accordingly over a wide range of growth velocities from the limit of constitutional supercooling to the limit of absolute stability. Four microstructure transitions were identified: low-velocity plane front of η→low -velocity plate-like cells of η→regular cells or dendrites of η→high-velocity plate-like cells of η→high-velocity plane front of η. It implies that a plate-like cell would be the favorable morphology at growth conditions approaching a stable planar solid/liquid interface in comparison with the regular one. © 2004 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.msea.2004.01.022
dc.sourceScopus
dc.subjectMicrostructure
dc.subjectPlate-like cells
dc.subjectRapid solidification
dc.subjectZn-Ag alloys
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.contributor.departmentMATERIALS SCIENCE
dc.description.doi10.1016/j.msea.2004.01.022
dc.description.sourcetitleMaterials Science and Engineering A
dc.description.volume373
dc.description.issue1-2
dc.description.page139-145
dc.identifier.isiut000221779200017
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