采用双悬臂梁(DCB)试验测试和研究了织物增强复合材料层合板的层间断裂韧性与断裂行为.为了评价测试温度和试样几何尺寸的变化对层间断裂韧性的影响,分别在室温(RT)和液氮温度(77K)条件下对不同尺寸的试样进行了双悬臂梁试验.采用扫描电镜对分层断裂面进行了观察,分析和验证了层间断裂特性.
参考文献
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