Graphene oxide as an additive in aqueous lubricants for electric drive units: Synthesis, preparation, and tribological performance

被引：2

作者：

Najari, Mohammad Reza ^{[1
]}

Mohammadpour, Mahdi ^{[1
]}

Saremi-Yarahmadi, Sina ^{[2
]}

机构：

[1] Loughborough Univ, Wolfson Sch Mech Elect & Mfg Engn, Loughborough LE11 3TU, England

[2] Loughborough Univ, Dept Mat, Loughborough LE11 3TU, England

来源：

TRIBOLOGY INTERNATIONAL | 2025年 / 205卷

关键词：

Graphene oxide; Additive; Water-based lubricants; Green tribology; Friction; NANOSHEETS; SHEETS; SUPERLUBRICITY; GRAPHITE; FRICTION; BEHAVIOR; HYBRIDS; ENGINE; ENERGY; TOOL;

D O I：

10.1016/j.triboint.2025.110554

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study investigates the tribological performance of graphene oxide (GO) nanosheets as additives in deionized (DI) water. Four different water-based lubricants were prepared, including supernatant and redispersed solutions, both with and without surfactant. GO supernatant had a significantly lower particle size compared to GO redispersed at all pH levels. The results show that in the absence of a surfactant, the addition of 0.06 wt% GO nanosheets led to maximum of 54 % reduction in the average coefficient of friction (COF). The introduction of surfactant further enhanced this effect, reducing the COF by up to 84 %, compared to DI water. The wear track width was also decreased by up to 353.8 %.

引用

页数：15

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