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本文分析了点阵空位的弹性模型,给出点阵空位与任意内应力系统的相互作用能量普遍表达式。作为一个物理上有意义的例子,推导了棱柱位错环与点阵空位弹性相互作用能量的具体表达式。给出了关于铝中位错环的数值结果,并对结果进行了讨论。In this article, the elastic model of lattice vacancy is critically analysed, and a general expression for the interaction energy of vacancy with an arbitrary internal stress system is given. As an example of physical interest, the formula for the elastic interaction energy of prismatic dislocation loop and vacancy is derived, and numerical results on dislocation loop in Al are presented and discussed.
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