碳/玻纤间隔织物是一种新型结构的纤维增强材料,其纤维与树脂的结合牢度是决定其复合材料性能的主要因素。为了进一步改善碳纤维和玻璃纤维与树脂的界面结合性能,本文采用不同功率的常压低温等离子技术对整体中空织物进行处理,然后通过扫描电镜、吸光率表征、玻纤单丝微脱粘测试以及碳纤维复丝拉伸性能测试等对织物中的碳纤维与玻璃纤维进行表征。研究结果表明,经过等离子处理后,混杂织物中的面层和芯材均受到等离子体刻蚀,纤维表面的官能团增多,纤维浸润性界面结合性能得到改善。同时,研究结果还表明,等离子处理碳/玻间隔织物的改性效果随着功率的增加是先增加后降低,在功率为150w的常压低温等离子处理的效果最佳。
Carbon/glass hybrid integral hollow fabrics, as a novel kind of fiber reinforced material, have attracted much more attention in the fiber/resin composites and the properties of the corresponding composites greatly depend on the interracial performance between the fiber and resin. In order to improve the interracial performance of carbon/glass hybrid integral hollow fabric, the atmospheric low-temperature plasma technology under different powers were used to treat the hollow fabric. Scanning electron microscopy, the absorption rate characterization, glass fiber monofilament micro-debonding test and tensile tests on the carbon fiber fabric and glass fiber were used to characterize the treated fabrics. The results showed that, after plasma treatment, the entire fabric surfaces were etching, and the functional groups on both carbon fiber and glass fiber surfaces increased, which resulted the fiber invasive interface bonding performance to be improved. The results also showed that the modified effects of plasma treatments on the carbon/glass fiber hybrid integral hollow fabric increased at first and then decreased with increasing the power, and the optimum power is 150 W.
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