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Effect of annealing on Cu precipitates in H ion irradiated Fe–0.6%Cu studied by positron annihilation

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Fe–0.6%Cu alloy was irradiated with H ions to 0.1 dpa, and then annealed for 30 min from 150 oC to 500 oC. We focused the evolution of Cu precipitates in irradiated Fe–0.6%Cu alloy after the isochronal annealing from the perspective of positron annihilation. The ΔW parameters after thermal annealing (400 oC and 500 oC) were much larger than that induced by 0.1 dpa H irradiation. Annealing could promote the aggregation of the Cu-vacancy complexes, and form the Cu cluster–vacancies complexes. When the vacancy-like defects recovered around 500 oC, it meant the formation and growing of the defect-free Cu precipitates.
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Recommended references: Shuoxue Jin,Peng Zhang,Eryang Lu,Baoyi Wang,Daqing Yuan,Long Wei,Xingzhong Cao.(2017).Effect of annealing on Cu precipitates in H ion irradiated Fe–0.6%Cu studied by positron annihilation.[ChinaXiv:201703.00575] (Click&Copy)
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[V1] 2017-03-26 19:36:59 chinaXiv:201703.00575V1 Download
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