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首页> 外文期刊>International Journal of Solids and Structures >On the interaction between an edge dislocation and a coated inclusion
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On the interaction between an edge dislocation and a coated inclusion

机译：关于边缘位错和涂层夹杂物之间的相互作用

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摘要

An analytical solution is derived for the stress field due to an edge dislocation located near a coated inclusion in a solid by using the Muskhelishvili complex Variable method. The force on the dislocation is calculated. Examples for various coating thickness and material constant combinations are given and discussed. It is shown that when a coating layer is thick, the elastic properties of the inclusion have no significant influence on the force on the dislocation. Therefore, the equilibrium position and the stability of the dislocation can be obtained in a manner similar to the two-phase model adopted by Dundurs and Mura (Dundurs, J., Mura, T., 1964. Journal of Mechanics and Physics of Solids 12, 177-189.). If the coating layer is thin, both the shear modulus and Poisson's ratio of both the inclusion and the coating can affect and change greatly the equilibrium position and the stability of the dislocation. (C) 2001 Elsevier Science Ltd. All rights reserved. [References: 13]
机译：通过使用Muskhelishvili复变量方法，得出了由于边缘错位而位于固体中涂层夹杂物附近的应力场的解析解。计算位错上的力。给出并讨论了各种涂层厚度和材料常数组合的示例。结果表明，当涂层较厚时，夹杂物的弹性性质对位错力没有显着影响。因此，可以类似于Dundurs和Mura（Dundurs，J.，Mura，T.，1964）所采用的两相模型的方式来获得位错的平衡位置和稳定性。固体力学与物理12 （177-189。）。如果涂层很薄，夹杂物和涂层的剪切模量和泊松比都会影响并极大地改变位错的平衡位置和稳定性。 （C）2001 Elsevier ScienceLtd。保留所有权利。 [参考：13]

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