Enhancing of the tribological characteristics of the lubricant oils using Ni-promoted MoS2 nanosheets as nano-additives

被引：110

作者：

Rajendhran, Naveenkumar ^{[1
]}

Palanisamy, Siva ^{[1
]}

Periyasamy, Prabu ^{[1
]}

Venkatachalam, Rajendran ^{[1
]}

机构：

[1] KS Rangasamy Coll Technol, Ctr Nano Sci & Technol, Tiruchengode 637215, Tamil Nadu, India

来源：

TRIBOLOGY INTERNATIONAL | 2018年 / 118卷

关键词：

Ni-MoS2; nanosheets; Nanolubricants; Antiwear; Tribo-interfaces; THERMAL-CONDUCTIVITY; FRICTION; WEAR; NANOPARTICLES; PERFORMANCE; MECHANISM; BEHAVIOR;

D O I：

10.1016/j.triboint.2017.10.001

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this study, the tribological behaviour of Ni-promoted MoS2 (Ni-MoS2) nanosheets were investigated using a four ball wear tester according to ASTM D4172 standard. The Ni-MoS2 nanosheets were chemically exfoliated in two steps, namely ultrasonication and simple reflux techniques. The physicochemical characteristics confirm that the obtained Ni-MoS2 nanosheet was well exfoliated and have excellent dispersibility. Base oil containing 0.5 wt% Ni-MoS2 nanosheets significantly enhances the antiwear property (40-50%) and slightly reduces the friction coefficient (15-20%) between the tribo-interfaces, due to its small size and surface modifying behaviour compared to base oil. Thus, the work augments the potential applications of Ni-MoS2 nano-additives in automotive industries.

引用

页码：314 / 328

页数：15

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