高性能纤维增强的先进复合材料中,短切碳纤维增强塑料因在性能上的多面性及较低的制作成本而极具吸引力.综合前人的研究成果推导了短纤维增强复合材料的强度混合法则公式,并用纤维长度效应来修正短纤维复合材料中的轴向应力分布的不均匀性,建立模型来正确估计各种参数对强度的影响规律.以短切碳纤维增强PTFE复合材料为例说明强度预测的正确性,为新材料的应用及新型结构的设计提供了依据.
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