An overall review on the tribological, thermal and rheological properties of nanolubricants

IF 1.6 Q4 MATERIALS SCIENCE, COATINGS & FILMS Tribology - Materials, Surfaces & Interfaces Pub Date : 2020-06-26 DOI:10.1080/17515831.2020.1785233
W. K. Shafi, M. Charoo
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引用次数: 33

Abstract

ABSTRACT Nanolubrication is one of the recent innovative technologies used in lubrication science. It involves dispersion of various types of nanoparticles in different concentrations in the conventional lubricant and studies the tribological properties of these lubricants on a particular tribopair under different operating parameters. Nanoparticles can be considered as potential lubricant additives. They present several major advantages compared to organic molecules currently used as lubricant additives, which include their nanometre size allowing them to enter the contact area easily. The real contact area is decreased when nanoparticles are entrapped between the mating surfaces. They are often efficient at ambient temperature. Thus, no induction period is necessary to obtain interesting tribological properties. Further, nanoadditives also improve the thermo-physical properties of the lubricant. A comprehensive review is provided with the aim to analyse and explore tribological and thermo-physical properties of nanolubricants on various tribopairs used for engineering applications. Recent advancements like hybrid nanofluids and biolubrication are also discussed that further provides the solutions for sustainable lubrication.
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纳米润滑剂的摩擦学、热学和流变性能研究综述
纳米润滑是近年来应用于润滑科学的创新技术之一。它涉及到不同浓度的各种类型的纳米颗粒在常规润滑剂中的分散,并研究这些润滑剂在不同操作参数下对特定摩擦副的摩擦学性能。纳米颗粒可以被认为是潜在的润滑剂添加剂。与目前用作润滑剂添加剂的有机分子相比,它们具有几个主要优势,其中包括它们的纳米尺寸使它们能够轻松进入接触区域。当纳米颗粒被包裹在配合表面之间时,实际接触面积减小。它们通常在环境温度下是有效的。因此,不需要诱导期来获得有趣的摩擦学性能。此外,纳米添加剂还改善了润滑油的热物理性能。本文对纳米润滑剂在各种工程摩擦副上的摩擦学和热物理性能进行了分析和探讨。本文还讨论了混合纳米流体和生物润滑等最新进展,为可持续润滑提供了解决方案。
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来源期刊
Tribology - Materials, Surfaces & Interfaces
Tribology - Materials, Surfaces & Interfaces MATERIALS SCIENCE, COATINGS & FILMS-
CiteScore
2.80
自引率
0.00%
发文量
15
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