采用CCD显微摄像仪获取了树脂基三维五向编织复合材料的一系列截面图像,分析了编织复合材料内纱线的排列规律及其截面形状的变化.实验结果显示:沿编织成型方向,三维五向编织复合材料的不同横截面内纱线的排列方式不同,且呈周期性变化;编织纱线的截面形状近似为扁平的凸透镜形;第5向不动纱的轴线基本保持伸直,其截面形状沿其轴向近似为扇形和三角形相互过渡变化;表面编织纱线的排列方式与内部编织纱线的排列有关,其截面形状近似为椭圆形.
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