Ultra-low Friction and Wear of Phenolic Composites Reinforced with Halloysite Nanotubes

IF 6.1 1区 工程技术 Q1 ENGINEERING, MECHANICAL
Yingying Han , Ren He , Huan Li , Xianqiang Pei , Ga Zhang
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引用次数: 0

Abstract

To decrease the number of interfaces and facilitate the designing of polymer tribo-composites, traditional fillers in phenol-formaldehyde resins (PF) with multiple dimensions and components were replaced with halloysite nanotubes (HNTs). The composites’ tribological performance were studied under a wide range of pv (pressure × speed) conditions. It is revealed that the single incorporation of HNTs significantly lower the friction and wear of PF. In particular, the composites exhibit ultra-low friction and wear under high pv conditions. Mechanism analyses demonstrate that the composites’ tribofilms show distinctly different nanostructures depending on the pv conditions, which was studied thoroughly through morphological and chemical characterizations. Findings of the present work provide new strategies for formulating tribo-composites for applications subjected to harsh sliding conditions.
高岭土纳米管增强酚醛复合材料的超低摩擦磨损研究
为了减少界面数量,方便高分子摩擦复合材料的设计,采用高岭土纳米管取代了传统的多尺寸、多组分的酚醛树脂(PF)填料。在较宽的压力×转速范围内研究了复合材料的摩擦学性能。结果表明,单次加入HNTs显著降低了PF的摩擦磨损,特别是在高pv条件下,复合材料表现出超低的摩擦磨损。机理分析表明,复合材料的摩擦膜在不同的pv条件下表现出明显不同的纳米结构,并通过形貌和化学表征对其进行了深入研究。本工作的发现为制定适用于恶劣滑动条件的摩擦复合材料提供了新的策略。
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来源期刊
Tribology International
Tribology International 工程技术-工程:机械
CiteScore
10.10
自引率
16.10%
发文量
627
审稿时长
35 days
期刊介绍: Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.
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