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Differential scanning calorimetry; Point defects; Positron annihilation spectroscopy; Steel; Wire, Cold-drawn; Defect population; Defect recovery; Effect of annealing; Low temperatures; Pearlitic steels; Resistivity measurement; Vacancy cluster, Pearlite
Abstract:
Cold-drawn pearlitic steel wires were subjected to differential scanning calorimetry and resistivity measurements during heating. Both techniques yield two peaks, one at 500-600 K, the other at 400-450 K. Whereas the peak at 500-600 K can be ascribed to voids consisting of about 10 vacancies as confirmed by positron annihilation spectroscopy, the low-temperature peak is ascribed to V1C2 and/or V2C4 complexes. © 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. © 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.