Effects of Vanadium Oxide Nanoparticles on Friction and Wear Reduction

被引：12

作者：

Dai, Wei ^{[1
]}

Lee, Kyungjun ^{[1
]}

Sinyukov, Alexander M. ^{[2
]}

Liang, Hong ^{[1
]}

机构：

[1] Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA

[2] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA

来源：

JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2017年 / 139卷 / 06期

关键词：

nanoparticles; lubricant additives; viscosity; lubrication mechanism; LUBRICANT ADDITIVES; V2O5; NANOWIRES; IRON-OXIDES; PERFORMANCE; COMPOSITES; FILMS;

D O I：

10.1115/1.4036449

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this research, rheological and tribological performance of additive V2O5 nanoparticles in a light mineral oil has been investigated. For rheological performance, the addition of 0.2 wt. % V2O5 could reduce the viscosity of the base oil for 6%. Considering the overall friction reduction in boundary, mixed, and hydrodynamic lubrication regimes, that with 0.1 wt. % V2O5 exhibited the best effect. Friction coefficient of base oil could be reduced by 33%. In terms of wear, the addition of 0.2 wt. % V2O5 showed the lowest wear rate, which is 44% reduction compared to base oil. Through Raman spectrum and energy dispersive spectroscopy (EDS) analysis, it was found that V2O5 involved tribochemical reaction during rubbing. Vanadium intermetallic alloy (V-Fe-Cr) was found to enhance the antiwear performance. This research revealed that V2O5 nanoparticles could be an effective additive to improve tribological performance.

引用

页数：7

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