Influence of surface activated nanophase Pr6O11 particles on the physio-chemical and tribological characteristics of SAE20W40 automotive lubricant

Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering Pub Date : 2024-06-10 DOI:10.1177/09544070241254421

T. S. Balaram, K. Muralidharan, Ugs Akhilesh, N. Pranav, P. Akash, R. Vignesh, R. Senthilkumar, A. Saiyathibrahim, Indran Suyambulingam, S. Siengchin

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Abstract

In this study, the formulation of nano lubricants is undertaken through the utilization of SAE20W40 engine oil and surface-activated praseodymium oxide (Pr6O11). An analysis is conducted on the impact of concentration profile (0.1, 0.3, 0.5 wt.%) on various physio-chemical properties, including stability, viscosity, fire and flash point, calorific value, acid value, and iodine value of the nano lubricants. The wear rate and coefficient of friction are determined through the utilization of a pin-on-disc tribometer for all the synthesized nano lubricants. A comprehensive examination on the attributes of the synthesized nano lubricants is presented by means of informative images and graphs obtained from SEM, EDS, TEM, FT-IR, UV-Vis, and DSC. It is revealed that the lubricant oil containing 0.3 wt.% of Pr6O11 demonstrates superior performance when compared to the base lubricant.

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表面活性纳米相 Pr6O11 粒子对 SAE20W40 汽车润滑油的物理化学和摩擦学特性的影响

本研究利用 SAE20W40 机油和表面活性氧化镨（Pr6O11）配制纳米润滑油。研究分析了浓度曲线（0.1、0.3、0.5 wt.%）对纳米润滑油各种理化性质的影响，包括稳定性、粘度、燃点和闪点、热值、酸值和碘值。所有合成纳米润滑剂的磨损率和摩擦系数都是通过使用针盘摩擦仪测定的。通过 SEM、EDS、TEM、FT-IR、UV-Vis 和 DSC 获得的信息图像和图表，对合成纳米润滑剂的属性进行了全面检查。结果表明，与基础润滑油相比，含有 0.3 wt.% Pr6O11 的润滑油表现出更优越的性能。

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Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering

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