Beryllium’s monocrystal and polycrystal elastic constants

Using resonant-ultrasound spectroscopy, we measured beryllium’s elastic constants for both a monocrystal and a polycrystal. Thus, we consider the monocrystal–polycrystal elastic-constant relationship for hexagonal symmetry. Beside the Cij, we report the Debye characteristic temperature Θ and the Grü...

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Bibliographic Details
Published in:Journal of applied physics 2004-03, Vol.95 (5), p.2436-2440
Main Authors: Migliori, Albert, Ledbetter, Hassel, Thoma, D. J., Darling, T. W.
Format: Article
Language:English
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Summary:Using resonant-ultrasound spectroscopy, we measured beryllium’s elastic constants for both a monocrystal and a polycrystal. Thus, we consider the monocrystal–polycrystal elastic-constant relationship for hexagonal symmetry. Beside the Cij, we report the Debye characteristic temperature Θ and the Grüneisen parameter γ. We comment on beryllium’s chemical bonding and its remarkably low Poisson ratio.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.1644633