揭示铝基润滑脂中 MoDTC 与含 P 添加剂协同作用的摩擦学机理

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-05-03 DOI:10.1108/ilt-12-2023-0410

Hui Zhao, Shunzhen Ren, Zhengbo Zhong, Zhipeng Li, Tianhui Ren

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引用次数: 0

摘要

设计/方法/途径作者制备了一种二烷基二硫代氨基甲酸钼（MoDTC），并通过与 ZDDP、含 P 和不含 S 的添加剂结合使用，揭示了 MoDTC 与含 P 添加剂在铝基润滑脂中的摩擦学协同效应机理。研究结果作者制备的 MoDTC 在铝基润滑脂中具有良好的减摩抗磨性能，并与 ZDDP 具有明显的协同效应。MoDTC 和 ZDDP 对铝基润滑脂的摩擦学性能有明显的协同作用，主要是因为在摩擦膜中形成了磷酸盐和偏磷酸盐以及更多的 MoS2。P元素在MoDTC向MoS2的化学转化过程中起到了促进作用。原创性/价值MoDTC与磷酸三丁酯和磷酸三甲基苯酯的实验证实，P元素在MoDTC向MoS2的化学转化过程中起到了促进作用。同行评议本文的同行评议记录见：https://publons.com/publon/10.1108/ILT-12-2023-0410。

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Revealing the tribological mechanism of synergistic effect between MoDTC and P-containing additives in aluminum-based grease

Purpose

This study aims to reveal the tribological mechanism of synergistic effect between MoDTC and P-containing additives in aluminum-based grease.

Design/methodology/approach

The authors prepared a molybdenum dialkyl dithiocarbamate (MoDTC) and revealed the tribological mechanism of synergistic effect between MoDTC and P-containing additives in aluminum-based grease by combining with ZDDP and P-containing and S-free additives.

Findings

The MoDTC the authors prepared has good friction-reducing and anti-wear properties in aluminum-based grease and has an obvious synergistic effect with ZDDP. MoDTC and ZDDP have a significant synergistic effect on the tribological properties in aluminum-based grease, mainly because of the formation of phosphates and metaphosphates as well as more MoS₂ in the friction film. P element plays a facilitating role in the chemical conversion of MoDTC to MoS₂.

Originality/value

The experiments of MoDTC with tributyl phosphate and trimethylphenyl phosphate confirm that the P element plays a facilitating role in the chemical conversion of MoDTC into MoS₂.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-12-2023-0410

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.