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考虑晶粒几何形状的尺度效应

郭辉 郭兴明

郭辉, 郭兴明. 考虑晶粒几何形状的尺度效应[J]. 应用数学和力学, 2007, 28(2): 127-134.
引用本文: 郭辉, 郭兴明. 考虑晶粒几何形状的尺度效应[J]. 应用数学和力学, 2007, 28(2): 127-134.
GUO Hui, GUO Xing-ming. Scale Effect and the Geometric Shapes of Grains[J]. Applied Mathematics and Mechanics, 2007, 28(2): 127-134.
Citation: GUO Hui, GUO Xing-ming. Scale Effect and the Geometric Shapes of Grains[J]. Applied Mathematics and Mechanics, 2007, 28(2): 127-134.

考虑晶粒几何形状的尺度效应

基金项目: 国家自然科学基金资助项目(10472061);上海市科委基础研究重点基金资助项目(04JC14034);教育部博士点基金资助项目(20060280015);上海市重点学科建设基金资助项目(Y0103)
详细信息
    作者简介:

    郭兴明(联系人.E-mail:xmguo@mail.shu.edu.cn).

  • 中图分类号: TB383;TG115.5

Scale Effect and the Geometric Shapes of Grains

  • 摘要: 复合材料方法中的混合律方法在研究纳米晶体材料力学性能时得到了广泛的使用,准确得出各相的体积分数对该方法结果的准确性具有十分重要的影响.将纳米晶体看成由晶界、晶粒和三叉晶三相组成的复合材料,根据晶粒具有多面体的几何特点,用二维的三相复合的正多边形模型来研究纳米晶体力学性能的尺度效应,对于不同几何形状的晶粒采用对应的正多边形模型,这样我们就可以更加准确地得到各相的体积分数,从而更好地预测纳米晶体材料的力学性能.
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出版历程
  • 收稿日期:  2006-07-10
  • 修回日期:  2006-12-07
  • 刊出日期:  2007-02-15

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