High-performance liquid metal-based SiC/Graphene-Mo hybrid nanofluid for hydraulic transmission

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL

Tribology International Pub Date : 2024-06-12 DOI:10.1016/j.triboint.2024.109871

Jiajun Jiang , Zhangyong Wu , Shuaihang Pan , Xian Meng , Dazhong Liu , Kunyang Mu , Qichen Zhu , Jiajun Zhu , Changli Cai

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引用次数: 0

Abstract

A novel liquid metal-based SiC/Graphene-Mo hybrid nanofluid (LMNF) has been fabricated. The nanoparticles are uniformly dispersed, and LMNF temperature-viscosity characteristics is stabler in a wider temperature range than traditional hydraulic media. With this, the LMNF tribological performance on Al₂O₃ and SS316L friction pairs is studied: The LMNF has superior severe-pressure and high-temperature lubrication with the nanoparticle-enabled wear resistance. The SS316L surface forms composite nanofilm with the LMNF, which prevents adhesive wear and mitigates liquid metal corrosion. Comparatively, the nanoparticles function as "micro-bearings" on the Al₂O₃ surfaces to assist lubrication. These benefits are reflected in the gear pump volumetric efficiency and wear rate of our industry-level hydraulic system, approving LMNF as a potential hydraulic transmission medium in harsh conditions.

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用于液压传动的高性能液态金属基 SiC/Graphene-Mo 混合纳米流体

一种新型液态金属基碳化硅/石墨烯-钼混合纳米流体（LMNF）已经制成。与传统液压介质相比，LMNF 的温度-粘度特性在更宽的温度范围内更为稳定。因此，研究了 LMNF 在 Al2O3 和 SS316L 摩擦副上的摩擦学性能：LMNF 具有优异的耐高压和高温润滑性能以及纳米颗粒带来的耐磨性。SS316L 表面与 LMNF 形成复合纳米薄膜，可防止粘着磨损并减轻液态金属腐蚀。相对而言，纳米粒子在 Al2O3 表面起到了 "微轴承 "的作用，有助于润滑。这些优点体现在我们工业级液压系统的齿轮泵容积效率和磨损率上，从而证明 LMNF 有可能成为恶劣条件下的液压传动介质。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

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.