Tribochemistry of alcohols and their tribological properties: a review

IF 2.5 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Frontiers of Materials Science Pub Date : 2023-03-06 DOI:10.1007/s11706-023-0633-0

Liping Xiong, Xiaoya Sun, Qi Chen, Mengyue Zhu, Zhongyi He, Lili Li

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引用次数: 1

Abstract

Recently, alcohols have attracted more attention due to their excellent tribological performance, especially superlubricity under low loads. Alcohol solution, as a liquid lubricant, can easily reach the superlubricity state under low loads because of the formed low shear hydroxylation interfaces induced by the tribochemical reactions. A general picture and its influencing factors have been elucidated, not only at the macroscopic scale but also at the nanoscale, which is sufficient to provide effective guidance for lubrication design and tribology research in engineering. Herein, we provide a review on the recent applications of alcohols in lubrication. In addition, the material transformation caused by alcohols in friction is a key factor affecting the tribological properties. As an important two-dimensional material, the growth mechanisms of graphene are variable, and the most famous is the formation of carbon radicals under the action of metal catalysts. Thus, based on the formation mechanism of carbon friction film (such as amorphous carbon and graphene), the main content of this review also includes the transformation of graphene in alcohol solution friction process.

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醇类的摩擦化学及其摩擦学性能综述

近年来，醇类材料因其优异的摩擦学性能，特别是在低负荷下的超润滑性能而受到越来越多的关注。醇溶液作为液体润滑剂，由于摩擦化学反应诱导形成低剪切羟基化界面，在低载荷下容易达到超润滑状态。从宏观和纳米两方面阐明了摩擦磨损的总体情况及其影响因素，足以为工程上的润滑设计和摩擦学研究提供有效的指导。本文综述了近年来醇类化合物在润滑中的应用。此外，摩擦过程中醇类引起的材料相变是影响摩擦性能的关键因素。石墨烯作为一种重要的二维材料，其生长机制是多变的，最著名的是在金属催化剂的作用下形成碳自由基。因此，基于碳摩擦膜(如无定形碳和石墨烯)的形成机理，本文综述的主要内容还包括石墨烯在醇溶液摩擦过程中的转化。

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

Frontiers of Materials Science MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

4.20

自引率

3.70%

发文量

515

期刊介绍： Frontiers of Materials Science is a peer-reviewed international journal that publishes high quality reviews/mini-reviews, full-length research papers, and short Communications recording the latest pioneering studies on all aspects of materials science. It aims at providing a forum to promote communication and exchange between scientists in the worldwide materials science community. The subjects are seen from international and interdisciplinary perspectives covering areas including (but not limited to): Biomaterials including biomimetics and biomineralization; Nano materials; Polymers and composites; New metallic materials; Advanced ceramics; Materials modeling and computation; Frontier materials synthesis and characterization; Novel methods for materials manufacturing; Materials performance; Materials applications in energy, information and biotechnology.