Facile method preparation of oil-soluble tungsten disulfide nanosheets and their tribological properties over a wide temperature range

被引：22

作者：

Jiang, Zhengquan ^{[1
]}

Yang, Guangbin ^{[1
]}

Zhang, Yujuan ^{[1
]}

Gao, Chuanping ^{[1
]}

Ma, Jingyi ^{[1
]}

Zhang, Shengmao ^{[1
]}

Zhang, Pingyu ^{[1
]}

机构：

[1] Henan Univ, Engn Res Ctr Nanomat, Kaifeng 475004, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2019年 / 135卷

基金：

中国国家自然科学基金;

关键词：

Oil-soluble WS2 nanosheets; Lubricant additive; Preparation; Tribological properties; WS2; NANOPARTICLES; FRICTION; MOS2; PERFORMANCE; METAL; LUBRICATION; TRANSITION; PARAFFIN; BEHAVIOR; SILVER;

D O I：

10.1016/j.triboint.2019.03.011

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Ultrathin oil-soluble tungsten disulfide nanosheets surface-capped with oleylamine (OA-capped WS2) were prepared by liquid phase thermal decomposition method without any solid by-products, a facile method with potential for large-scale production. OA-capped WS2 nanosheets exhibit good dispersibility and long-term stability in poly alpha olefin oil and significantly enhance the lubricating properties of the base oil over a wide temperature range (from 25 degrees C to 200 degrees C). This is because the surface-capped WS2 nanosheets can be well adsorbed on friction surfaces forming a lubricating film (mainly WS2) and participate in tribological chemical reaction to generate a chemical reaction film consisting of WO3, FeS, FeSO4, iron oxides, and FeOOH on the worn steel surfaces during friction process.

引用

页码：287 / 295

页数：9

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