Poisson's Ratio and the Densification of Glass under High Pressure

Journal Article · Fri Jun 06 00:00:00 EDT 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.100.225501· OSTI ID:21132488

Rouxel, T; Ji, H ^[1]; Hammouda, T ^[2]; Moreac, A ^[3]

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1. Applied Mechanics Laboratory of the University of Rennes 1, LARMAUR, Universite de Rennes 1, Campus de Beaulieu, 35042 Rennes cedex (France)
2. Laboratoire Magmas et Volcans, CNRS-OPG , Universite Blaise Pascal, 5 rue Kessler, 63038 Clermont-Ferrand cedex (France)
3. IPR, CNRS-Universite de Rennes 1, Campus de Beaulieu, 35042 Rennes cedex (France)

Because of a relatively low atomic packing density, (C{sub g}) glasses experience significant densification under high hydrostatic pressure. Poisson's ratio ({nu}) is correlated to C{sub g} and typically varies from 0.15 for glasses with low C{sub g} such as amorphous silica to 0.38 for close-packed atomic networks such as in bulk metallic glasses. Pressure experiments were conducted up to 25 GPa at 293 K on silica, soda-lime-silica, chalcogenide, and bulk metallic glasses. We show from these high-pressure data that there is a direct correlation between {nu} and the maximum post-decompression density change.

• OSTI ID: 21132488
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 22 Vol. 100; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CHALCOGENIDES
GLASS
METALLIC GLASSES
POISSON RATIO
PRESSURE RANGE GIGA PA
SILICA
SODIUM CARBONATES
TEMPERATURE RANGE 0273-0400 K