纳米碳酸钙和微石墨共混物对硫酸钙润滑脂摩擦学性能的影响

IF 3.3 3区工程技术 Q2 ENGINEERING, CHEMICAL

Tribology Letters Pub Date : 2025-07-06 DOI:10.1007/s11249-025-02034-8

Longqi Sun, Wenwen Ma, Qin Zhao, Feng Guo, Bingbing Lai, Gaiqing Zhao, Xiaobo Wang

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引用次数: 0

摘要

纳米级碳酸钙和微级石墨是硫酸钙润滑脂中常用的添加剂。在复杂油皂结构的磺酸钙润滑脂中，两种添加剂对其摩擦学性能的影响值得研究。针对这一问题，选择不同比例的纳米CaCO3和微尺寸石墨共混物来研究其润滑性能。与不添加添加剂或单独添加上述添加剂的硫酸钙润滑脂相比，1 wt%的微尺寸石墨和5 wt%的纳米碳酸钙的组合具有优异的减摩和抗磨性能。在整个摩擦过程中，添加剂共混物可以协同参与赫兹接触区域的化学反应，形成薄膜，保持低摩擦状态。

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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Influence of Nano-Sized CaCO3 and Micro-Sized Graphite Blends on the Tribological Properties of Calcium Sulfonate Grease

Nano-sized calcium carbonate and micro-sized graphite are commonly used additives in calcium sulfonate grease. It is worth studying how the two additives together affect the tribological properties in the complex oil-soap structure of calcium sulfonate grease. Regarding this issue, nano-sized CaCO₃ and micro-sized graphite blends in different proportions were selected to investigate the lubrication performance. A combination of 1 wt% micro-sized graphite and 5 wt% nano-sized CaCO₃ contributed the excellence friction-reducing and anti-wear compared to the calcium sulfonate grease without additives or the calcium sulfonate grease with above additions alone. The additive blends could be synergistic to take part in chemical reactions on the Hertz contact area and form films to maintain a low friction state during whole friction process.

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来源期刊

Tribology Letters 工程技术-工程：化工

CiteScore

5.30

自引率

9.40%

发文量

116

审稿时长

2.5 months

期刊介绍： Tribology Letters is devoted to the development of the science of tribology and its applications, particularly focusing on publishing high-quality papers at the forefront of tribological science and that address the fundamentals of friction, lubrication, wear, or adhesion. The journal facilitates communication and exchange of seminal ideas among thousands of practitioners who are engaged worldwide in the pursuit of tribology-based science and technology.