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首页> 外文期刊>Journal of Applied Polymer Science >Influences of Different Gravity Environments on the Curing Process and Cured Products of Carbon-Nanotube-Reinforced Epoxy Composites
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Influences of Different Gravity Environments on the Curing Process and Cured Products of Carbon-Nanotube-Reinforced Epoxy Composites

机译：不同重力环境对碳纳米管增强环氧树脂复合材料固化过程和固化产物的影响

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摘要

The influences of different gravity environments on the curing process and the cured products of carbon-nanotube-reinforced epoxy composites were investigated in this study. Different gravity environments were simulated with a superconducting magnet on the basis of which resin matrix composites with different amino-functionalized multiwalled carbon nanotube (NH2-MWCNT) concentrations of 0.1, 0.3, 0.5, and 1 wt % were tested. Fourier transform infrared spectroscopy, differential scanning calorimetry, dynamic mechanical analysis, thermomechanical analysis (TMA), thermogravimetric analysis, scanning electron microscopy, transmission electron microscopy, and three-point bending tests were used to analyze the characteristics of different curing processes and cured products. From the results, we observed that the curing rate of the epoxy composites was influenced by different gravity values, and there was anisotropy in the NH2-MWCNT-reinforced epoxy composites cured in the simulated microgravity environment. More effects of gravity on the curing process and cured products could be obtained through detailed experiments and discussion; this is important and fundamental for improving and enhancing the properties of composite materials used in different gravity environments. (C) 2014 Wiley Periodicals, Inc.
机译：研究了重力环境对碳纳米管增强环氧复合材料固化过程和固化产物的影响。用超导磁体模拟了不同的重力环境，在此基础上测试了具有0.1、0.3、0.5和1 wt％的不同氨基官能化多壁碳纳米管（NH2-MWCNT）浓度的树脂基复合材料。使用傅里叶变换红外光谱，差示扫描量热法，动态力学分析，热机械分析（TMA），热重分析，扫描电子显微镜，透射电子显微镜和三点弯曲试验来分析不同固化过程和固化产物的特性。从结果中，我们观察到环氧树脂复合材料的固化速率受到不同重力值的影响，并且在模拟微重力环境下固化的NH2-MWCNT增强环氧树脂复合材料存在各向异性。通过详细的实验和讨论，可以获得重力对固化过程和固化产物的更多影响。这对于改善和增强在不同重力环境下使用的复合材料的性能至关重要且至关重要。 （C）2014威利期刊公司

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