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Stress singularities in anisotropic three-material wedges and junctions with applications

机译:各向异性三材料楔形物和节点中的应力奇异性及其应用

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摘要

This paper presents the general solutions of stress singularity in anisotropic three-material wedges and junctions. The influencing factors on the strength of stress singularity are the material constants, the fiber orientation and three wedge angles. Most emphasis has been placed on the roles of the intermediate material played in the structural design. The results can be applied to control the damage initiation and growth near the edge of the angle-ply or cross-ply laminated composite, such as the use of epoxy pocket (Chan, Composites Engineering Handbook, Marcel Dekker, Inc., New York, 1997, p. 309). By selecting appropriate stiffness and geometry of the interphase material, the damage resistance and durability of the structures can be improved.
机译:本文介绍了各向异性三材料楔形体和节点中应力奇异性的一般解。影响应力奇异性强度的因素是材料常数,纤维取向和三个楔角。最强调的是中间材料在结构设计中的作用。该结果可用于控制角叠层或交叠层状复合材料边缘附近的损伤引发和增长,例如使用环氧树脂袋(Chan,Composites Engineering Handbook,Marcel Dekker,Inc.,New York, 1997年,第309页)。通过选择适当的相间材料的刚度和几何形状,可以提高结构的抗损伤性和耐久性。

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