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本文根据显微结构图,建立了纤维断裂的单向增强复合材料的力学模型,采用有限单元法,计算了玻璃/环氧及硼/环氧两种材料的刚度下降。估算结果与 Poursartrip 的实验数据相吻合。
In this paper, the mechanical model of fiber-reinforced unidirectional reinforced composites is established based on the microstructure diagram. The stiffness reduction of glass / epoxy and boron / epoxy materials is calculated by the finite element method. The estimation results are in good agreement with Poursartrip’s experimental data.