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对于连续长纤维毡增强的复合材料板材，其强度不符合“复合法则”。本文利用Ｋｒｅｎｃｈｅｌ强度效率因子对纤维毡增强的复合材料板材进行试验和理论分析，并将试验数据和计算数据进行比较，指出纤维含量及分布对材料强度的影响。
For continuous long fiber mat reinforced composite sheet, its strength does not meet the “composite law.” In this paper, the strength and efficiency factor of Krenchel was used to experiment and theoretical analysis of the fiber reinforced composite sheet. The experimental data and calculated data were compared, and the influence of fiber content and distribution on the strength of the material was pointed out.