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Influence of titanium on the static recrystallization of a medium carbon microalloyed steel

✍ Scribed by F. Peñalba; M. Carsí

Publisher
Springer
Year
1995
Tongue
English
Weight
269 KB
Volume
30
Category
Article
ISSN
0022-2461

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✦ Synopsis

Static recrystallization kinetics of three medium carbon steels, microalloyed with vanadium and titanium (titanium varied from 0.003 to 0.039% in weight), were studied by hot torsion test simulation. A higher recrystallization time was observed in the steel with 0.019 wt% Ti. This difference in recrystallization time was checked by metallographic observations and mechanical softening. This time shift implies different activation energies, which were calculated bythe time needed to obtain a 50% recrystallized structure and also by solving the Zener-Hollomon equation. Evolution of the kinetics of recrystallization as a function of temperature was also studied. In addition, the critical allowable temperature for a fully recrystallized structure was investigated.

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