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

Hui Zhao (School of Chemistry and Chemical Engineering, Shaoxing Research Institute of Renewable Energy and Molecular Engineering, Shanghai Jiao Tong University, Shanghai, China)
Shunzhen Ren (School of Chemistry and Chemical Engineering, Shaoxing Research Institute of Renewable Energy and Molecular Engineering, Shanghai Jiao Tong University, Shanghai, China)
Zhengbo Zhong (School of Chemistry and Chemical Engineering, Shaoxing Research Institute of Renewable Energy and Molecular Engineering, Shanghai Jiao Tong University, Shanghai, China)
Zhipeng Li (School of Chemistry and Chemical Engineering, Shaoxing Research Institute of Renewable Energy and Molecular Engineering, Shanghai Jiao Tong University, Shanghai, China)
Tianhui Ren (School of Chemistry and Chemical Engineering, Shaoxing Research Institute of Renewable Energy and Molecular Engineering, Shanghai Jiao Tong University, Shanghai, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 3 May 2024

17

Abstract

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

Keywords

Acknowledgements

The authors acknowledge the preprint service of Springer Nature, which is posted at Research Square (https://linkprotect.cudasvc.com/url?a=https%3a%2f%2fdoi.org%2f10.21203%2frs.3.rs-3613572%2fv1&c=E,1,GxRnVK2gAztB258RI_RyVIpoQwmrdZAFahIcMaHVKQ-xhiFzwMgKgG4yIjJd0tqY9OIgk_Cz25nJo6ith8ilxJmUAQPfZbxWmnKL8hDqh_MI,&typo=1).

This work is supported by the National Natural Science Foundation of China (Grant No. 51875342, 52272158), the Natural Science Foundation of Shanghai (Grant No. 23ZR1431200), the Shanghai Pujiang Program (21PJ1405600) and the Medical-Engineering Cross Research Foundation of the SJTU Star Program (Grant No. YG2024ZD28 and YG2023QNA26).

Data availability statement: The raw/processed data required to reproduce these findings cannot be shared at this time as the data also forms part of an ongoing study.

Declaration of competing interest: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Citation

Zhao, H., Ren, S., Zhong, Z., Li, Z. and Ren, T. (2024), "Revealing the tribological mechanism of synergistic effect between MoDTC and P-containing additives in aluminum-based grease", Industrial Lubrication and Tribology, Vol. ahead-of-print No. ahead-of-print. https://doi.org/10.1108/ILT-12-2023-0410

Publisher

:

Emerald Publishing Limited

Copyright © 2024, Emerald Publishing Limited

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