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Helium/hydrogen synergistic effect in reduced activation ferritic/martensitic steel investigated by slow positron beam

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Here, we investigated the irradiation defect in reduced activation ferritic/martensitic steels by slow positron beam. Three ion-irradiation experiments were carried out: (i) He2+ irradiation, (ii) H+ irradiation and (iii) He2+ irradiation followed by H+ irradiation, at temperature 450 oC. The presents of vacancy defects, represented by ?SHe+H parameter, induced by sequential irradiations was larger than the sum of defects, ?SHe parameter + ?SH parameter, caused by single He ions and single H ions. The synergistic effect of He and H was confirmed clearly from the perspective of positron annihilation spectroscopy.
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Recommended references: Te Zhu,Shuoxue Jin,Liping Guo,Yuanchao Hu,Eryang Lu,Jianping Wu,Baoyi Wang,Long Wei,Xingzhong Cao.(2017).Helium/hydrogen synergistic effect in reduced activation ferritic/martensitic steel investigated by slow positron beam.[ChinaXiv:201703.00580] (Click&Copy)
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[V1] 2017-03-26 19:36:59 chinaXiv:201703.00580V1 Download
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