Elastic behavior of a spherical inclusion with a given uniaxial dilatation

Elastic behavior of a spherical inclusion with a given uniaxial dilatation
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具有给定单轴膨胀的球形夹杂物的弹性行为

DOI：
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发表时间：
2002
期刊：
影响因子：
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通讯作者：
V. Chaldyshev
V. Chaldyshev
中科院分区：
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文献类型：
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作者：
N. Bert;A. Kolesnikova;A. Romanov;V. Chaldyshev

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研究了具有单轴膨胀的球形夹杂的弹性行为。作为例子，给出了掺杂半导体中的应力纳米团簇(As-Sb团簇)的实验数据。确定了单轴膨胀球形夹杂物的位移场、弹性应变场和应力场，揭示了这些场的具体特征。计算了单轴椭球体的弹性能，并与三轴椭球体的弹性能进行了比较。讨论了夹杂物弹性场与棱柱状位错环形成有关的松弛机制。
The elastic behavior of a spherical inclusion with a uniaxial dilatation is considered. As an example, the experimental data on stressed nanoclusters in doped semiconductors (As-Sb clusters in GaAs) are presented. The fields of displacements, elastic strains, and stresses are determined for spherical inclusions with uniaxial dilatation, and the specific features of these fields are revealed. The elastic energy of a uniaxial spheroid is calculated and compared with that for a triaxial spheroid. The relaxation mechanisms for the elastic field of the inclusion associated with the formation of prismatic dislocation loops are considered.