Tribological properties of grease containing graphene oxide or hexagonal boron nitride

Bulletin of the Military University of Technology Pub Date : 2019-09-30 DOI:10.5604/01.3001.0013.5556

I. Dąbrowski, K. Gocman, T. Kałdoński

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Abstract

The purpose of this paper is to present the results of research of tribological behavior of basic greases (of 2. NLGI class) including different mass concentration concentration (0.05%, 0.1%, 0.2%, 0.5%, 1%, 2%) of additives: graphene oxide (produced by the Institute of Electronic Materials Technology, Warsaw) and hexagonal boron nitride (produced by the Military University of Technology, Warsaw). In the first part of this publication there is elementary information about graphene and its applications, especially in tribological field. The next part of the paper contains the results of research on the mentioned above samples, which were investigated with four-ball apparatus T-02 and Universal Micro/Nano Tester UNMT (CETR, CA, USA), at the Department of Tribology and Service Fluids Logistics at the Faculty of Mechanical Engineering, Military University of Technology. The results proved a positive effect of adding graphene oxide or hexagonal boron nitride to basic grease on its tribological properties. In case of “water dispersion of graphene oxide”, its tribological properties were similar to the samples including significant concentration of GO. Keywords: graphene, grease, graphene oxide, hexagonal boron nitride

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含氧化石墨烯或六方氮化硼润滑脂的摩擦学性能

本文的目的是介绍基础润滑脂的摩擦学行为的研究结果。NLGI类)包括不同质量浓度浓度(0.05%、0.1%、0.2%、0.5%、1%、2%)的添加剂:氧化石墨烯(由华沙电子材料技术研究所生产)和六方氮化硼(由华沙军事工业大学生产)。在本出版物的第一部分，有关于石墨烯及其应用的基本信息，特别是在摩擦学领域。本文的下一部分包含了上述样品的研究结果，这些样品是由军事工业大学机械工程学院摩擦学与服务流体物流系的T-02四球仪和通用微/纳米测试仪UNMT (CETR, CA, USA)进行的。结果表明，在碱性润滑脂中加入氧化石墨烯或六方氮化硼对其摩擦学性能有积极影响。在“氧化石墨烯水分散”的情况下，其摩擦学性能与含有显著氧化石墨烯浓度的样品相似。关键词:石墨烯，润滑脂，氧化石墨烯，六方氮化硼

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Bulletin of the Military University of Technology

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