Influence of pressure-induced structural change in Al ₂ O ₃ –SiO ₂ glasses on the sound velocity and Poisson's ratio under pressure

Itaru Ohira; Yoshio Kono; Steeve Gréaux; S. Inoue; Nozomi Kondo; Sho Kakizawa; Yuji Higo; Noriyoshi Tsujino; Rostislav Hrubiak; Guoyin Shen; Atsunobu Masuno

doi:10.1039/d6ma00275g

January 1, 2026Materials AdvancesOpen Access

Influence of pressure-induced structural change in Al ₂ O ₃ –SiO ₂ glasses on the sound velocity and Poisson's ratio under pressure

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Key Points

This research examines how pressure affects the structural changes and elastic properties of Al2O3-SiO2 glasses.
Studied x Al2O3–(100−x)SiO2 glasses with varying compositions (x = 29, 36, 43, 50, 60 mol.%)
Utilized in situ high-pressure techniques to observe changes in properties under applied pressure.
Found that structural changes influence both sound velocity and Poisson's ratio in the glasses
Demonstrated a correlation between composition and elastic properties under pressure.

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Implication

Investigation reveals structural change impacts sound velocity and Poisson's ratio in Al2O3-SiO2 glasses under pressure.

Abstract

In this study, we investigated pressure-induced changes in the structure and elastic property of x Al 2 O 3 –(100− x )SiO 2 glasses ( x =29, 36, 43, 50, 60 mol.%; referred to as x AS) by in situ high-pressure...

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Ohira et al. (2026) studied this question.

synapsesocial.com/papers/69fa980604f884e66b531ccc https://doi.org/10.1039/d6ma00275g

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Influence of pressure-induced structural change in Al ₂ O ₃ –SiO ₂ glasses on the sound velocity and Poisson's ratio under pressure

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Influence of pressure-induced structural change in Al ₂ O ₃ –SiO ₂ glasses on the sound velocity and Poisson's ratio under pressure

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

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