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ELASTIC-CONSTANTS OF UVITE - TEMPERATURE-DEPENDENCE
Date
1988-01-01
Author
TATLI, A
Metadata
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The temperature dependence of the single-crystal elastic constants of uvite—CaMg3(MgAl5)B3Si6(O,OH)30 (OH, F)—was measured between 80 and 300 K by the ultrasonic pulse-echo-overlap method. The temperature dependence was linear, within experimental error, and the temperature derivatives of the six independent elastic moduli at constant pressure, in kb deg−1, are (, (, ( (, (, (. The adiabatic bulk modulus Bs, and its isobaric temperature derivative are Bs = 1215kb and (. The isotropic compressional and transverse wave velocities, VP and Vs, their temperature derivatives were also calculated from the single-crystal elastic constants data. The thermal Grüneisen parameter γth and the Anderson-Grüneisen parameter δ are 0.69 and 5.2.
Subject Keywords
General Materials Science
,
General Chemistry
,
Condensed Matter Physics
URI
https://hdl.handle.net/11511/63699
Journal
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
DOI
https://doi.org/10.1016/0022-3697(88)90017-0
Collections
Department of Mathematics and Science Education, Article