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Analysis of the Pressure Dependence of Thermal Expansivity
Author(s) -
Kumar M.,
Bedi S. S.
Publication year - 1998
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(199805)207:1<75::aid-pssb75>3.0.co;2-x
Subject(s) - constant (computer programming) , basis (linear algebra) , thermal , thermodynamics , mathematics , pure mathematics , mathematical economics , physics , computer science , geometry , programming language
Various relations for the determination of thermal expansivity under the effect of pressure, used by Thomas and Shanker are discussed. The claim of earlier workers that the relations are new on the basis of their different mathematical forms is not correct. It is found that all the relations which are based on the approximation that δ T is a constant, as compiled by Thomas and Shanker, are the same well known Anderson formula given in 1967.