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

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

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 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.

Original language	English
Article number	105119
Journal	AIP Advances
Volume	8
Issue number	10
DOIs	https://doi.org/10.1063/1.5055604
Publication status	Published - 1 Oct 2018
Externally published	Yes

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

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.",

author = "Wang, {S. H.} and Li, {D. F.} and Song, {K. K.} and Sun, {H. G.} and S. Wu and Yan, {D. L.} and Xue, {Q. S.} and Zhang, {Z. Q.} and B. Song and Peng, {C. X.} and Li, {X. L.} and L. Wang",

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doi = "10.1063/1.5055604",

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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.

PY - 2018/10/1

Y1 - 2018/10/1

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

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