采用拉挤成型工艺制备了一种基于双马来酰亚胺树脂的微径炭纤维复合材料细杆(Z-pin),通过差示扫描量热方法(DSC)研究了双马来酰亚胺树脂的固化反应特性,并由此确定其拉挤工艺参数.通过动态热机械分析仪测定了双马来酰亚胺树脂的玻璃化转变温度,结合复合材料Z-pin纤维体积含量及层间剪切强度对比分析发现,双马来酰亚胺树脂基Z-pin具有高耐热性及良好的力学性能,在复合材料层间增强领域具有重要的应用价值.
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