| 材料中He深度分布演化的Monte Carlo模拟研究 |
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| 引用本文： | 周宇璐,李仁顺,张宝玲,邓爱红,侯氢.材料中He深度分布演化的Monte Carlo模拟研究[J].物理学报,2011,60(6):60702-060702. |
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| 作者姓名： | 周宇璐 李仁顺 张宝玲 邓爱红 侯氢 |
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| 作者单位： | (1)四川大学应用物理系,成都 610064; (2)四川大学原子核科学技术研究所,辐射物理及技术教育部重点实验室,成都 610064; (3)四川大学原子核科学技术研究所,辐射物理及技术教育部重点实验室,成都 610064;四川大学应用物理系,成都 610064 |
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| 基金项目： | 国家自然科学基金(批准号:10775101, 10775102)和国家国际热核聚变实验反应堆计划专项(批准号:2009GB106004)资助的课题. |
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| 摘 要： | 基于He泡生长的迁移-合并机理,用Monte Carlo方法模拟了对材料进行等温退火过程中He深度分布的演化,探讨了不同参数对这一演化的影响.研究表明:材料中He泡的初始浓度和尺寸将影响He深度分布的变化,而退火温度则对演化速率起重要作用但对最终的He深度分布影响较小;随着反应的进行,整个系统的演化是逐渐趋缓的.
关键词：
He
深度分布
Monte Carlo模拟
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| 关 键 词： | He 深度分布 Monte Carlo模拟 |
| 收稿时间： | 7/6/2010 12:00:00 AM |
Monte Carlo simulations of the evolution of helium depth distribution in materials |
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| Zhou Yu-Lu,Li Ren-Shun,Zhang Bao-Ling,Deng Ai-Hong,Hou Qing.Monte Carlo simulations of the evolution of helium depth distribution in materials[J].Acta Physica Sinica,2011,60(6):60702-060702. |
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| Authors: | Zhou Yu-Lu Li Ren-Shun Zhang Bao-Ling Deng Ai-Hong Hou Qing |
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| Institution: | Key Laboratory for Radiation Physics and Technology of Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China; Department of Applied Physics, Sichuan University, Chengdu 610064, China;Key Laboratory for Radiation Physics and Technology of Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China;Key Laboratory for Radiation Physics and Technology of Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China;Department of Applied Physics, Sichuan University, Chengdu 610064, China;Key Laboratory for Radiation Physics and Technology of Ministry of Education, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China |
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| Abstract: | Based on the migration-coalescence mechanism for helium bubble growth in a material, the evolution of helium depth distribution during annealing is simulated by the Monte Carlo method. The factors that influence the evolution are studied. The results show that the initial concentration and radius of the helium bubble can affect the evolution of He depth distribution, while the annealing temperature has influence only on the evolution rate but little on the final depth distribution of helium. It is also shown that the evolution of the system turns to slow down gradually with the annealing time going. |
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| Keywords: | helium depth distribution Monte Carlo simulation |
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