The optical microscope and SEM were employed to analyze the damage of glass fiber during weaving and resin permeability in the course of molding of composite materials.
同时采用光学显微镜和SEM分别对织造中玻纤断裂情况和树脂在复合材料成型过程中的渗透性进行了研究。
2
The paper introduces the warmth retention property of elastic composite. It compares the warmth retention property and air permeability of nonwovens whether it has polyurethane elastic film or not.
介绍了弹性复合材料的保暖性能，比较去除聚氨酯弹性膜前后非织造保暖层的保暖性及透气性。
3
This article studies this composite technology by taking the geologic features of low porosity and low permeability of tight gas sands in West Sichuan.