利用细观力学模型和有限元法研究纤维束复合材料的横向弹塑性力学性能.假设弹性的纤维束均匀地分布于幂硬化弹塑性基体材料中,并假设纤维束内的纤维接触是光滑的.通过与单丝纤维复合材料的相应结果比较,研究了纤维成束对复合材料宏观弹塑性性能的影响.通过对硼/铝复合材料的数值研究表明:纤维的成束对复合材料的横向弹性刚度影响很小,而对复合材料的塑性变形和切线刚度有显著的影响.
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