Elastic constants of sodium nitrate from 77 to 300 K

Ramachandran, V. ; Ibrahim, M. M. ; Gopal, E. S. R. ; Padaki, V. C. (1982) Elastic constants of sodium nitrate from 77 to 300 K Physica Status Solidi A, 69 (1). pp. 407-11. ISSN 0031-8965

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/pssa.22...

Related URL: http://dx.doi.org/10.1002/pssa.2210690141

Abstract

The six independent elastic constants of sodium nitrate are determined using 10 MHz ultrasonic pulse echo superposition technique over the temperature interval 77 to 300 K. The values obtained at 300 K are C11 = 5.71, C12 = 2.16, C33 = 3.3, C13 = 1.66, C44 = 1.24, C14 = 0.82, and at 77 K C11 = 6.63, C12 = 2.07, C33 = 3.99, C13 = 1.67, C44 = 1.69, C14 = 1.16 all expressed in units of 1011 dyn/cm2.

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