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首页> 外文期刊>Materials Science and Engineering. A, Structural Materials >Investigation of tribological properties of polyimide/carbon nanotube nanocomposites
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Investigation of tribological properties of polyimide/carbon nanotube nanocomposites

机译：聚酰亚胺/碳纳米管纳米复合材料的摩擦学性能研究

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摘要

Polyimide/carbon nanotube (PI/CNT) nanocomposites with different proportions of CNT were fabricated by in situ process. The bending strength and microhardness of the PI/CNT nanocomposites were measured. The friction and wear behavior of the nanocomposites was evaluated on an M-2000 friction and wear tester. As the results, the bending strength and microhardness of the PI/CNT nanocomposites increased with increasing CNT content and reached stable values at a certain content of CNT. CNT could effectively enhance the friction-reduction and antiwear capacity of the nanocomposite because it increased the load capacity and mechanical strength of the CNT/PI. The variables such as applied load and sliding speed had a significant influence on friction and wear performance.
机译：通过原位制备了碳纳米管比例不同的聚酰亚胺/碳纳米管（PI / CNT）纳米复合材料。测量了PI / CNT纳米复合材料的弯曲强度和显微硬度。在M-2000摩擦磨损测试仪上评估了纳米复合材料的摩擦磨损性能。结果，PI / CNT纳米复合材料的弯曲强度和显微硬度随CNT含量的增加而增加，并在一定含量的CNT处达到稳定值。 CNT可以有效地增强纳米复合材料的减摩和抗磨能力，因为它增加了CNT / PI的负载能力和机械强度。诸如施加的载荷和滑动速度之类的变量对摩擦和磨损性能具有显着影响。

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