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|Title:||Thermal expansivity at high temperatures for ionic solids|
|Authors:||Srivastava, S K|
|Keywords:||Thermal expansivity;Volume expansion ratio|
|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.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.49(03) [March 2011]|
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