| Irradiation effect of yttria-stabilized zirconia by high dose dual ion beam irradiation |
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| 作者姓名： | 张艳文 王绪 刘士毅 唐美雄 赵子强 张鹏 王宝义 曹兴忠 |
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| 基金项目： | supported by the National Basic Research and Development Program of China(Grant Nos.2010CB832904 and 2010CB832902);the National Natural Science Foundation of China(Grant No.91226202) |
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| 摘 要： | Yttria-stabilized zirconia （YSZ） is irradiated with 2.0-MeV Au2＋ ions and 30-keV He＋ ions. Three types of He, Au, Au ＋ He （successively） ion irradiation are performed. The maximum damage level of a sequential dual ion beam implanted sample is smaller than single Au ion implanted sample. A comparable volume swelling is found in a sequential dual ion beam irradiated sample and it is also found in a single Au ion implanted sample. Both effects can be explained by the partial reorganization of the dislocation network into weakly damaged regions in the dual ion beam implanted YSZ. A vacancy-assisted helium trapping/diffusion mechanism in the dual ion beam irradiated condition is discussed. No phase transformation or amorphization behavior happens in all types of ion irradiated YSZ.
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| 关 键 词： | 氧化钇稳定的氧化锆 离子束照射 高剂量 离子束注入 离子注入 YSZ 离子辐照 伤害程度 |
Irradiation effect of yttria-stabilized zirconia by high dose dual ion beam irradiation |
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| Abstract: | Yttria-stabilized zirconia(YSZ) is irradiated with 2.0-MeV Au2+ions and 30-keV He+ions. Three types of He, Au,Au + He(successively) ion irradiation are performed. The maximum damage level of a sequential dual ion beam implanted sample is smaller than single Au ion implanted sample. A comparable volume swelling is found in a sequential dual ion beam irradiated sample and it is also found in a single Au ion implanted sample. Both effects can be explained by the partial reorganization of the dislocation network into weakly damaged regions in the dual ion beam implanted YSZ. A vacancy-assisted helium trapping/diffusion mechanism in the dual ion beam irradiated condition is discussed. No phase transformation or amorphization behavior happens in all types of ion irradiated YSZ. |
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| Keywords: | irradiation damage swelling helium diffusion |
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