利用V形开口梁( losipescu)实验对一种新型针刺准三维C/C复合材料面内剪切性能及层间剪切性能进行了测试分析；获得了离散性较小的剪切强度与剪切模量值,以及有效地破坏模式；同时用有限元方法分析了层间剪切试样中的应力分布状态.结果表明,试样缺口根部处应力集中引起试样过早破坏,人为引入缺陷后,可以得到较均匀的剪应力场.
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