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Elastic properties of sodium borovanadate glasses

Published online by Cambridge University Press:  03 March 2011

S. Muthupari ,
S. Lakshmi Raghavan  and
K.J. Rao
S. Muthupari
Affiliation:
Materials Research Centre. Indian Institute of Science, Bangalore, India
S. Lakshmi Raghavan
Affiliation:
Materials Research Centre. Indian Institute of Science, Bangalore, India
K.J. Rao*
Affiliation:
Materials Research Centre. Indian Institute of Science, Bangalore, India
*
a)Address all correspondence to this author
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Abstract

The elastic properties of sodium borovanadate glasses have been studied over a wide range of composition using ultrasonic measurements. It is found that variation of different elastic moduli is very similar in any given series of composition. The bulk and shear moduli show a monotonic variation with the covalent bond energy densities calculated from the proposed structural model for these glasses. The bulk moduli also vary as a negative power function of the mean atomic volume. The Debye temperature varies linearly with the glass transition temperature. The implications of the observed behavior have been discussed.

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Type
Articles
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Journal of Materials Research , Volume 10 , Issue 11 , November 1995 , pp. 2945 - 2951
Copyright
Copyright © Materials Research Society 1995

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References

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