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Alternative TitleComparison of H and He Ion Irradiation Impact on Oxide Film of Domestic ZIRLO
Bai, Ruoyu; Wang, Ke; Bai, Yakui; Sun, Chen; Lu, Eryang; Li, Ke; Fan, Ping; Zhang, Qiaoli; Ma, Hailiang; Kong, Shuyan; Cao, Xingzhong; Xia, Haihong; Yuan, Daqing; Zhu, Shengyun; 卢二阳; 曹兴忠
Source Publication原子能科学技术
AbstractThe corrosion behavior of domestic ZIRLO was investigated in 300 PWR-simulating loop after irradiation. Hydrogen and helium ions irradiation experiments were carried out at the temperature of 300, with the damage peak dose of 1 dpa using the injection energy of 100 keV and 150 keV respectively. The corrosion kinetics curve was obtained by measuring weight gain of the alloy. Irradiation defects of Zr matrix and microstructure of oxide film were determined by Doppler broadening spectra based on slow positron beam and transmission electron microscope. The results illustrate that irradiation does not change the corrosion mechanism of the zirconium alloy. Vacancy clusters produced by helium ions promote the nucleation of the cracks in the corrosion process, and generate extra channels for oxygen ions and the reduction of activation energy for oxygen diffusion, leading to the obvious acceleration effect in corrosion at the initial stage. While hydrogen ions irradiation has less acceleration effect on the corrosion compared with helium ions irradiation, because complex-defect pairs composed of vacancies and hydrogen ions have little effect on the reduction of activation energy for oxygen diffusion in corrosion process. © 2018, Editorial Board of Atomic Energy Science and Technology. All right reserved.
Indexed ByEI
EI Accession Number20190206369977
Citation statistics
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Bai, Ruoyu,Wang, Ke,Bai, Yakui,等. H、He离子辐照对国产ZIRLO合金氧化膜的影响[J]. 原子能科学技术,2018,52(11):2020-2027.
APA Bai, Ruoyu.,Wang, Ke.,Bai, Yakui.,Sun, Chen.,Lu, Eryang.,...&曹兴忠.(2018).H、He离子辐照对国产ZIRLO合金氧化膜的影响.原子能科学技术,52(11),2020-2027.
MLA Bai, Ruoyu,et al."H、He离子辐照对国产ZIRLO合金氧化膜的影响".原子能科学技术 52.11(2018):2020-2027.
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