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关于晶体旋转的误解及合理塑性应变速度

赵祖武

赵祖武. 关于晶体旋转的误解及合理塑性应变速度[J]. 应用数学和力学, 2001, 22(1): 79-84.
引用本文: 赵祖武. 关于晶体旋转的误解及合理塑性应变速度[J]. 应用数学和力学, 2001, 22(1): 79-84.
ZHAO Zu-wu. Some Misunderstandings on Rotation of Crystals and Reasonable Plastic Strain Rate[J]. Applied Mathematics and Mechanics, 2001, 22(1): 79-84.
Citation: ZHAO Zu-wu. Some Misunderstandings on Rotation of Crystals and Reasonable Plastic Strain Rate[J]. Applied Mathematics and Mechanics, 2001, 22(1): 79-84.

关于晶体旋转的误解及合理塑性应变速度

详细信息
    作者简介:

    赵祖武(1919- ),男,杭州人,教授.

  • 中图分类号: O344.3

Some Misunderstandings on Rotation of Crystals and Reasonable Plastic Strain Rate

  • 摘要: 指出晶体是离散的而不是连续的材料,因此在极分解F=RU中的旋转RF>F-1中的旋率W不是正确的。塑性变形速度若直接以滑移系中的滑移速度来表示,如γ>ν≠n,则差错将会产生。滑移后的晶格几何形状并不改变,基于此概念提出了连续介质力学范围内的一个简单途径来表达滑移产生的塑性应变速度。建议了大变形下的本构方程。
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出版历程
  • 收稿日期:  2000-02-22
  • 修回日期:  2000-09-20
  • 刊出日期:  2001-01-15

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