The activation energy for hot deformation (
) of high-Mn microalloyed TWIP steels was determined
from experimental uniaxial hot compression curves. The presence of microalloying elements such as
Nb, V, and Ti, increases the
value from 366 in the non-microalloyed one to 446 kJ/mol in the
V-microalloyed TWIP steel. This change represents an increase from 16% up to 22% of
Reyes, F.; Mejía Granados, I.; Cabrera, J. Hot deformation activation energy (QHW) of austenitic Fe-22Mn-1.5Al-1.5Si-0.4C TWIP steels microalloyed with Nb, V, and Ti. "Materials science and engineering A. Structural materials properties microstructure and processing", 2013, vol. 562, p. 46-52.