Eur. Phys. J. AP 8, 25-28 (1999)
https://doi.org/10.1051/epjap:1999225

Thermodynamics of stress induced martensitic transformation: Application to Ni–Mn–Ga alloys

¹ Department of Radiophysics, Taras Shevchenko University, Glushkov str.2, build. 5, Kiev 252127, Ukraine
² Institute of Magnetism, Vernadsky str. 36, Kiev 252680, Ukraine

Corresponding author: chern@imag.kiev.ua

Received: 2 April 1999
Revised: 20 July 1999
Accepted: 20 July 1999
Published online: 15 October 1999

Abstract

The thermodynamic theory developed in [1] is extended to describe the uniaxial stress induced cubic-tetragonal martensitic transformation. The theory is found to provide a good quantitative agreement with the experimentally observed σ − T phase diagram of martensitic transformation exhibited by Ni–Mn–Ga alloys (σ is the uniaxial compressive stress in [110] direction).