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Analysis of five-point bending of composite laminates

机译:复合材料层压板的五点弯曲分析

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摘要

Composite laminates are subjected to five-point bending test conditions, resulting in cracks and delaminations in the laminate. A theoretical model is also developed to represent the five-point bending configuration, resulting in the calculation of the through-the-thickness distribution of stresses and strains. The results of the theoretical analysis and the five-point bending tests are presented. The stress and strain distributions arising from the theoretical model, together with knowledge of the laminate stacking sequence, can be used to predict the type and location of failures under five-point bending test conditions.
机译:复合材料层压板经受五点弯曲测试条件,导致层压板中出现裂纹和分层。还建立了一个代表五点弯曲构型的理论模型,从而计算出了应力和应变的整个厚度分布。给出了理论分析和五点弯曲试验的结果。理论模型产生的应力和应变分布,以及层压板堆叠顺序的知识,可用于预测五点弯曲测试条件下的失效类型和位置。

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