利用SEM和光学显微镜,原位观察在Ⅰ型动态加载下玻璃布增强PC复合材料层板的分层断裂过程.结果表明,Ⅰ型加载下,织物增强复合材料分层裂纹扩展方向随织物结构变化造成分层在正应力和剪应力共同作用下进行,分层微裂纹的萌生主要在交织面或垂直于裂纹扩展方向的纱线束内以纤维的分离和脱粘进行,主裂纹的扩展易于沿平行于裂纹扩展方向的纱线束以纤维的脱粘、断裂和界面脱粘进行.
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