| 异常晶粒长大的Monte Carlo模拟方法 |
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| 引用本文： | 高英俊,金星,苏义勇,黄创高,魏承炀. 异常晶粒长大的Monte Carlo模拟方法[J]. 广西大学学报(自然科学版), 2009, 34(2) |
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| 作者姓名： | 高英俊 金星 苏义勇 黄创高 魏承炀 |
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| 作者单位： | 广西大学,物理科学与工程技术学院,广西,南宁,530004 |
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| 基金项目： | 国家自然科学基金，广西自治区科学基金 |
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| 摘 要： | 采用Radhakrishnan等改进后的Monte Carlo方法,模拟了两种能量结构下的异常晶粒长大过程.研究结果发现,在相同参数下用改进算法模拟异常晶粒长大比Srolovitz和Grest等人的模拟所得到的效率高,而且结果比后者与实际符合得更好.在两种能量结构下,异常晶粒长大的趋势相同,随着J1/J2值的增大,晶粒长大指数有所增加,异常晶粒的体积百分比曲线都出现平台阶段.在相同参数下,第二种能量结构的异常晶粒长大的速率比较快.
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| 关 键 词： | 异常晶粒 晶粒度 MonteCarlo方法 晶粒长大 |
Monte Carlo simulation of abnormal grain growth |
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| GAO Ying-jun,JIN Xing,SU Yi-yong,HUANG Chuang-gao,WEI Cheng-yang. Monte Carlo simulation of abnormal grain growth[J]. Journal of Guangxi University(Natural Science Edition), 2009, 34(2) |
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| Authors: | GAO Ying-jun JIN Xing SU Yi-yong HUANG Chuang-gao WEI Cheng-yang |
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| Affiliation: | College of Physical Science and Engineering;Guangxi University;Nanning 530004;China |
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| Abstract: | Monte Carlo method improved by Radhakrishnan et al.was used to simulation abnormal grain growth process under two energy structures.The results show that comparing with the DJ Srolovitz and GS Grest's method,improved Monte Carlo simulation algorithm receives higher efficiency and the result is well in line with reality under the same parameters.In both the energy structure,abnormal grain growth has the same trend,and the grain size has increased exponentially with J1/J2 ratio.The percentage of abnormal grai... |
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| Keywords: | abnormal grain grain size Monte Carlo method grain growth |
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