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首页> 外文期刊>Journal of Applied Polymer Science >Toughening Effects of Interleaved Nylon Veils on Glass Fabric/Low-Styrene-Emission Unsaturated Polyester Resin Composites
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Toughening Effects of Interleaved Nylon Veils on Glass Fabric/Low-Styrene-Emission Unsaturated Polyester Resin Composites

机译：交错尼龙纱对玻璃纤维布/低苯乙烯排放的不饱和聚酯树脂复合材料的增韧作用

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摘要

The effectiveness of using interleaved nylon veils to increase the interlaminar toughness of glass fiber reinforced, low-styrene emission unsaturated polyester resin composites has been investigated. Samples were manufactured by a hand lay-up technique followed by compression moulding. Nylon 66 veils were used, with the veil content varying from 0% to 4% by weight. Double cantilever beam, short beam shear, and three point bend tests were performed. The increasing levels of nylon veil content improved the interlaminar toughness of the composites, which was characterized by critical strain energy release rate (GIC). The maximum GIC for crack propagation of a nylon interleaved composite increased by almost 170% over the baseline glass fiber reinforced composite. Dynamic Mechanical Analysis revealed an increase in the damping parameter of up to 117%. Image analysis via Digital Image Correlation and Scanning Electron Microscopy revealed increased fiber bridging between adjacent plies as a key reason for these improvements. (C) 2014 Wiley Periodicals, Inc.
机译：已经研究了使用交错尼龙面纱来提高玻璃纤维增​​强的低苯乙烯发射性不饱和聚酯树脂复合材料的层间韧性的有效性。样品通过手工铺层技术制造，然后进行压模。使用尼龙66面纱，其中面纱的含量为0-4重量％。进行了双悬臂梁，短梁剪切和三点弯曲试验。尼龙面纱含量的增加提高了复合材料的层间韧性，其特征在于临界应变能释放速率（GIC）。与基线玻璃纤维增​​强复合材料相比，尼龙交错复合材料裂纹扩展的最大GIC增加了近170％。动态力学分析显示，阻尼参数增加了高达117％。通过数字图像关联和扫描电子显微镜进行的图像分析显示，相邻层之间的纤维桥接增加是这些改进的主要原因。 （C）2014威利期刊公司

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