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High-Pressure Sound Velocity Measurements of Liquids Using In Situ Ultrasonic Techniques in a Multianvil Apparatus

Abstract : Sound velocity and equation of state of liquids provide important constraints on the generation, presence, and transport of silicate and metallic melts in the Earth’s interior. Unlike their solid counterparts, these properties of liquids pose great technical challenges to high-pressure measurements and are poorly constrained. Here we present the technical developments that have been made at the GSECARS beamline 13-ID-D of the Advanced Photon Source for the past several years for determination of sound velocity of liquids using the ultrasonic techniques in a 1000-ton Kawai-type multianvil apparatus. Temperature of the sound velocity measurements has been extended to ~2400 K at 4 GPa and ~2000 K at 8 GPa to enable studies of liquids with very high melting temperatures, such as the silicate liquids.
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https://hal.univ-lille.fr/hal-02465941
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Soumis le : mardi 4 février 2020 - 11:09:06
Dernière modification le : mardi 26 mai 2020 - 04:34:01
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Zhicheng Jing, Tony Yu, Man Xu, Julien Chantel, Yanbin Wang. High-Pressure Sound Velocity Measurements of Liquids Using In Situ Ultrasonic Techniques in a Multianvil Apparatus. Minerals, MDPI, 2020, Minerals, 10 (2), pp.126. ⟨10.3390/min10020126⟩. ⟨hal-02465941⟩

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