Nano-Al2O3 obtained the best tribological properties than similar hardness nanoparticles filled into epoxy resin

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2025-01-31 DOI:10.1007/s00396-025-05383-x

Jiankai Cui, Ying Tian, Ruojia Li, Jianjun Zhang, Shaomei Zheng, Feng Guo, Qinglun Che

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引用次数: 0

Abstract

To meet the challenges associated with friction and wear in mechanical moving components, the tribological performance of a class of nanoparticles (Si₃N₄, ZrO₂, SiC, and Al₂O₃) filled into epoxy resin was investigated in this study. Compared with the pure epoxy resin, the mechanical strength and tribological properties of the prepared composites significantly improved. More encouragingly, the resulting epoxy resin composites filled by Al₂O₃ demonstrated outstanding lubricating properties; the improvement in tribological performance under boundary lubrication is attributed to a robust friction film containing nanocrystalline iron oxide and abundant Al₂O₃ nanoparticles. Moreover, the tribological behaviors of four types of nanoparticles were primarily dependent on the tribo-film. Overall, this study provides valuable insights into the application of polymer composites for a wide range under harsh lubrication condition.

Graphical Abstract

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与相同硬度的纳米颗粒填充在环氧树脂中相比，纳米al2o3获得了最好的摩擦学性能

为了解决机械运动部件的摩擦磨损问题，本研究研究了一类纳米颗粒（Si3N4、ZrO2、SiC和Al2O3）填充环氧树脂的摩擦学性能。与纯环氧树脂相比，复合材料的机械强度和摩擦学性能明显提高。更令人鼓舞的是，由Al2O3填充的环氧树脂复合材料表现出优异的润滑性能；边界润滑下摩擦性能的提高主要归功于含有纳米氧化铁和丰富的Al2O3纳米颗粒的坚固摩擦膜。此外，四种纳米颗粒的摩擦学行为主要取决于摩擦膜。总的来说，这项研究为聚合物复合材料在恶劣润滑条件下的广泛应用提供了有价值的见解。图形抽象

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.