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首页> 外文期刊>Proceedings of the institution of mechanical engineers >Experimental investigation on tribological properties of carbon fabric composites: effects of carbon nanotubes and nano-silica
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Experimental investigation on tribological properties of carbon fabric composites: effects of carbon nanotubes and nano-silica

机译：碳织物复合材料的摩擦学性能实验研究：碳纳米管和纳米二氧化硅的影响

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摘要

In this study, the effects of nano-SiO2 and carbon nanotubes on the friction and wear properties of carbon-epoxy woven composites have been explored. The unfilled carbon fabric composites and carbon fabric composites filled with carbon nanotubes and nano-SiO2 were fabricated by vacuum infusion process. The worn surfaces were examined and possible wear mechanisms of unfilled and filled carbon fabric composites were discussed. In addition, the friction coefficient curves of unfilled and filled carbon fabric composites were analyzed and compared. The experimental results showed that either of the two nano-particles improved the friction coefficient and wear rate of carbon fabric composites; however, better improvement was observed for nano-SiO2. By adding these nano-particles to unfilled carbon fabric composites, a primary steady-state period with a low friction coefficient appeared in the friction coefficient curve of the composites, which indicates enhancement in bonding strength between carbon fiber and epoxy matrix due to the interfacial reinforcing action of the nano-particles.
机译：在该研究中，探讨了纳米-SiO2和碳纳米管对碳环织物复合材料的摩擦和磨损性能的影响。通过真空输注过程制造未填充的碳织物复合材料和含有碳纳米管和纳米SiO 2的碳织物复合材料。讨论了磨损的表面，并讨论了未填充和填充碳织物复合材料的可能磨损机制。另外，分析并比较了未填充和填充的碳织物复合材料的摩擦系数曲线。实验结果表明，两个纳米粒子中的任一个提高了碳织物复合材料的摩擦系数和磨损率;然而，对于纳米SiO 2观察到更好的改进。通过将这些纳米颗粒加入未填充的碳织物复合材料，在复合材料的摩擦系数曲线中出现具有低摩擦系数的初级稳态周期，这表明由于界面增强，碳纤维和环氧基质之间的粘合强度的增强纳米粒子的作用。

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