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Effects of stacking sequence on the impact resistance in composite laminates -- Part lf parametric study

机译:堆垛顺序对复合材料层合板抗冲击性能的影响-参数研究的一部分。

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摘要

A study was undertaken to determine the effects of key stacking sequence parameters on the impact damage resistance in composite laminates. A finite element model using linear, quasi-static analysis was developed to analyse the internal stress state in the laminate and predict delamination damage. The model was found capable of predicting the relative damage trends with respect to changes in stacking sequence. Three parameters were studied : interface angle, ply orientation relative to a fixed axis, and ply grouping. Each parameter was found to affect the damage resistance differently. Guidelines to improve the impact damage resistance are proposed based on the results of the study.
机译:进行了一项研究,以确定关键堆叠顺序参数对复合材料层压板耐冲击破坏性的影响。建立了使用线性准静态分析的有限元模型,以分析层压板的内部应力状态并预测分层破坏。发现该模型能够预测相对于堆叠顺序变化的相对破坏趋势。研究了三个参数:界面角度,相对于固定轴的层定向以及层分组。发现每个参数均不同地影响抗损伤性。根据研究结果,提出了提高抗冲击破坏性的指南。

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