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Article Dans Une Revue Review of Scientific Instruments Année : 2009

Liquid mercury sound velocity measurements under high pressure and high temperature by picosecond acoustics in a diamand anvils cell

Résumé

Recent improvements to measure ultrasonic sound velocities of liquids under extreme conditions are described. Principle and feasibility of picosecond acoustics in liquids embedded in a diamond anvils cell are given. To illustrate the capability of these advances in the sound velocity measurement technique, original high pressure and high temperature results on the sound velocity of liquid mercury up to 5 GPa and 575 K are given. This high pressure technique will certainly be useful in several fundamental and applied problems in physics and many other fields such as geophysics, nonlinear acoustics, underwater sound, petrology or physical acoustics.
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Dates et versions

hal-00419556 , version 1 (24-09-2009)

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Citer

F. Decremps, Laurent Belliard, B. Couzinet, Serge Vincent, P. Munsch, et al.. Liquid mercury sound velocity measurements under high pressure and high temperature by picosecond acoustics in a diamand anvils cell. Review of Scientific Instruments, 2009, 80, pp.073902. ⟨10.1063/1.3160104⟩. ⟨hal-00419556⟩
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