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针对纤维增强复合材料单向板的脆性断裂,建立了能量释放率分析模型,提出了断裂准则。并分析了一种玻璃/环氧复合材料单向板的断裂。结果表明:理论预测的临界载荷和实验结果吻合良好。
Aiming at the brittle fracture of fiber reinforced composite one-way slab, the energy release rate analysis model was established and the fracture criterion was proposed. The fracture of a glass / epoxy composite plate was analyzed. The results show that the theoretical predicted critical load agrees well with the experimental results.