Abstract

Research & Development in Material Science

Entropic Equation of the Condition of Simple Crystal Material

  • Open or Close Viktor Ivlev*

    Institute of Physics and Chemistry, National Research Mordovian State University, Russia

    *Corresponding author: Viktor Ivlev, Institute of Physics and Chemistry, National Research Mordovian State University, Saransk, 43005, Russia

Submission: November 11, 2017; Published: November 29, 2017

DOI: 10.31031/RDMS.2017.02.000533

ISSN: 2576-8840
Volume2 Issue2

Abstract

In the usual thermal equation of state of a one-component substance (for example, the equation of Clapeyron-Mendeleev) from the standard four thermodynamic parameters are three: the pressure p, volume V and temperature T. It is essential that the condensed states (crystalline, amorphous and liquid) differ greatly in the degree of ordering of the atomic structure, so for them is more important than pressure may be the fourth parameter, the entropy S, which is not included in the normal equation of state .

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