Volume 143, Number 2, July 2023
|Number of page(s)||5|
|Section||Condensed matter and materials physics|
|Published online||17 July 2023|
How the allotropic transition temperature of solids can change with the heating rate
1 CEA, IRESNE, DEC - Cadarache F-13108 Saint-Paul-Lez-Durance, France
2 LIED, UMR 8236, Université Paris Diderot France - Paris, France
(a) E-mail: email@example.com (corresponding author)
Received: 13 February 2023
Accepted: 28 June 2023
Though classical thermodynamics predict a single temperature for the allotropic phase transition, the phase transition temperature is often seen to change with the heating rate. Herein we propose a simple method to predict the change in the phase transition temperature as a function of the heating rate. The method is based on the comparison of entropy production between two paths, with or without a phase transition. This method was applied to the zircaloy α-β phase transition and the resulting experimental data were processed to determine the molar transformation rate as a function of temperature.
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