| Numéro |
J. Phys. Colloques
Volume 48, Numéro C8, Décembre 1987
Fifth European Conference on Internal Friction and Ultrasonic Attenuation in Solids
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|---|---|---|
| Page(s) | C8-483 - C8-488 | |
| DOI | https://doi.org/10.1051/jphyscol:1987875 | |
Fifth European Conference on Internal Friction and Ultrasonic Attenuation in Solids
J. Phys. Colloques 48 (1987) C8-483-C8-488
DOI: 10.1051/jphyscol:1987875
CEN de Grenoble, DRFG/SBT/Laboratoire de Cryophysique, BP 85 X, F-38041 Grenoble Cedex, France
J. Phys. Colloques 48 (1987) C8-483-C8-488
DOI: 10.1051/jphyscol:1987875
LOW TEMPERATURE ACOUSTIC PROPERTIES OF SILICA AEROGELS
J. BON, E. BONJOUR, R. CALEMCZUK et B. SALCECEN de Grenoble, DRFG/SBT/Laboratoire de Cryophysique, BP 85 X, F-38041 Grenoble Cedex, France
Abstract
Low frequency elastic modulus and acoustic attenuation of
silica aerogel have been measured by the resonant bar method. Measurements were
performed on low density samples (d = 0.27 and 0.87 g cm-3) in the
100 mK - 70 K temperature range.