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IJPAP Vol.49(03) [March 2011] >


Title: Thermal expansivity at high temperatures for ionic solids
Authors: Srivastava, S K
Sinha, Pallavi
Keywords: Thermal expansivity
Volume expansion ratio
Issue Date: Mar-2011
Publisher: CSIR
Abstract: New expression for temperature dependence of thermal expansivity has been derived in high temperature region. Newly developed relationship is based on the linear relationship between thermal expansivity and isothermal bulk modulus at temperatures higher than the Debye temperature. Developed expression is used to estimate the temperature dependence of thermal expansivity and volume expansion ratio for ionic solids viz. NaCl, KCl, MgO and CaO. An agreement between theory and experiment reveals the validity of the present approach.
Page(s): 195-198
CC License:  CC Attribution-Noncommercial-No Derivative Works 2.5 India
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.49(03) [March 2011]

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