工艺缺陷对纤维曲线铺放含孔层合复合材料力学性能的影响

来源 :第二届中国国际复合材料科技大会 (CCCM-2) | 被引量 : 0次 | 上传用户:zj280078064
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  针对纤维曲线铺放含孔层合复合材料,本文重点分析了因制造工艺过程引起的纤维铺设缺陷对其压缩力学性能的影响。文中首先建立了纤维角度分布、纤维束宽度、纤维铺放带宽度均可设定的参数化有限元模型,并计算了其拉伸和压缩力学性能。然后,基于层合板的渐进损伤分析方法得到了这类材料的拉压刚度和强度性能。同时,研究了在纤维铺设过程中,由于纤维自动铺放机裁剪纤维束引起的不含纤维的三角状富树脂区工艺缺陷所带来的影响,还提出了减少这种缺陷对材料力学性能影响的方法。
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