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Influence of recrystallization on phase separation kinetics of oxide dispersion strengthened Fe–Cr–Al alloy
The effect of different starting microstructures on the kinetics of Fe-rich (a) and Cr-rich (a0) phase separation during aging of Fe–
Cr–Al oxide dispersion strengthened (ODS) alloys has been analyzed with a combination of atom probe tomography and thermoelectric
power measurements. The results revealed that the high recrystallization temperature necessary to produce a coarse grained
microstructure in Fe-base ODS alloys affects the randomness of Cr-atom distributions and defect density, which consequently affect
the phase separation kinetics at low annealing temperatures.Peer reviewe