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Composition-dependent stability of the medium-range order responsible for metallic glass formation

TitleComposition-dependent stability of the medium-range order responsible for metallic glass formation
Publication TypeJournal Article
Year of Publication2014
AuthorsZhang, F, Ji, M, Fang, XW, Sun, Y, Wang, CZ, Mendelev, MI, Kramer, MJ, Napolitano, RE, Ho, KM
JournalActa Materialia
Volume81
Pagination337-344
Date Published12
Type of ArticleArticle
ISBN Number1359-6454
Accession NumberWOS:000345179800033
KeywordsCrystal structure, cu-zr alloys, forming ability, Genetic algorithm, liquid, mechanical-properties, Medium-range order, Metallic glass, potentials, quasi-crystals, total-energy calculations, transition, wave basis-set
Abstract

0.68, and is the underlying motif for one of the three optimal glass-forming ranges observed experimentally for this binary system (Li et al., 2008). This work establishes an energy-based methodology to evaluate specific medium-range structural motifs which compete with stable crystalline nuclei in deeply undercooled liquids. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

DOI10.1016/j.actamat.2014.08.041
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Structures and Dynamics