Preliminarily optimizing glass-forming compositions in metal-metal type ternary alloy systems with a large-sized solvent element

S. H. Wang; D. F. Li; K. K. Song; H. G. Sun; S. Wu; D. L. Yan; Q. S. Xue; Z. Q. Zhang; B. Song; C. X. Peng; X. L. Li; L. Wang

doi:10.1063/1.5055604

Preliminarily optimizing glass-forming compositions in metal-metal type ternary alloy systems with a large-sized solvent element

S. H. Wang, D. F. Li, K. K. Song, H. G. Sun, S. Wu, D. L. Yan, Q. S. Xue, Z. Q. Zhang, B. Song, C. X. Peng, X. L. Li, L. Wang

Shandong University

科研成果: 期刊稿件 › 文章 › 同行评审

2 引用（Scopus）

摘要

Glass-forming ability (GFA) is crucial for designing bulk metallic glasses. In this work, it was found that when the content of the solvent element with an atomic radius larger than 1.58 Å in one ternary alloy system is fixed, their entropy of mixing (ΔS_mix) vs. the enthalpy of mixing (ΔH_mix) curve display a slant arc shape. The compositions locating around the inflection point of each ΔH_mix vs. ΔS_mix curve usually show an optimal GFA. Its feasibility was verified in Zr-, La-, and Ca-based ternary systems. By considering both calculated inflection points and experimental results, the optimizing glass-forming compositions can be roughly estimated by a proposed formula under limited conditions. Our studies could provide a simple method for preliminarily selecting good glass-formers when the content of the solvent element in one ternary alloy system is fixed.

源语言	英语
文章编号	105119
期刊	AIP Advances
卷	8
期	10
DOI	https://doi.org/10.1063/1.5055604
出版状态	已出版 - 1 10月 2018
已对外发布	是

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abstract = "Glass-forming ability (GFA) is crucial for designing bulk metallic glasses. In this work, it was found that when the content of the solvent element with an atomic radius larger than 1.58 {\AA} in one ternary alloy system is fixed, their entropy of mixing (ΔSmix) vs. the enthalpy of mixing (ΔHmix) curve display a slant arc shape. The compositions locating around the inflection point of each ΔHmix vs. ΔSmix curve usually show an optimal GFA. Its feasibility was verified in Zr-, La-, and Ca-based ternary systems. By considering both calculated inflection points and experimental results, the optimizing glass-forming compositions can be roughly estimated by a proposed formula under limited conditions. Our studies could provide a simple method for preliminarily selecting good glass-formers when the content of the solvent element in one ternary alloy system is fixed.",

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AU - Wang, S. H.

AU - Li, D. F.

AU - Song, K. K.

AU - Sun, H. G.

AU - Wu, S.

AU - Yan, D. L.

AU - Xue, Q. S.

AU - Zhang, Z. Q.

AU - Song, B.

AU - Peng, C. X.

AU - Li, X. L.

AU - Wang, L.

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Preliminarily optimizing glass-forming compositions in metal-metal type ternary alloy systems with a large-sized solvent element

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