Defect dynamics studies during heat treatments in plastically deformed metals predicted for nuclear applications
Krzysztof Siemek,
Hitoshi Soyama,
Mirosław Wróbel
et al.
Abstract:We report on defects dynamics during heat treatment in plastically deformed metallic materials using positron annihilation lifetime spectroscopy carried out on the intense pulsed positron beam. The conducted experiment allowed us to observe the changes in the concentration and sizes of vacancy-like defects observed during in situ annealing. We monitored heat treatments up to 300 °C in hydrostatic extruded Ti and cavitation peened V–4Cr–4Ti alloy. We were able to track the recovery processes in Ti and redistrib… Show more
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