Influence of the Organic Moiety on the Tribological Properties of MoS2:Glycol Hybrid Nanoparticles-Based Dispersions

被引：6
作者：
Garcia, I. [1 ]
Galipaud, J. [2 ]
Kosta, I. [1 ]
Grande, H. [1 ]
Garcia-Lecina, E. [1 ]
Dassenoy, F. [2 ]
机构：
[1] Basque Res & Technol Alliance BRTA, CIDETEC, P Miramon 196, Donostia San Sebastian 20014, Spain
[2] Ecole Cent Lyon, LTDS, 36 Ave Guy Collongue, F-69134 Ecully, France
来源：
TRIBOLOGY LETTERS | 2020年 / 68卷 / 04期
关键词：
MoS2; Hybrid nanoparticles; Lubricants; Tribofilm; MOS2; NANOPARTICLES; IF-MOS2; FRICTION; LUBRICATION; MOLYBDENUM; BOUNDARY; OIL; MECHANISMS; PARTICLES; WEAR;
D O I：
10.1007/s11249-020-01345-2
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
MoS2:glycol hybrid nanoparticles were synthetized through a polyol route. Their tribological properties when used as lubricant additives in a PAO 6 base oil were investigated using a pin-on-disk tribometer. An important friction reduction and good anti-wear performances were observed compared to the base oil and to the no modified particles. The MoS2:glycol nanoparticles were characterized by thermogravimetric analysis, transmission electron microscopy, RAMAN spectroscopy, X-ray diffraction, and Fourier transform infrared. Furthermore, the stability of the dispersion was followed by dynamic light scattering. On the other hand, Field Emission Scanning Electron Microscopy, Energy-Dispersive X-ray Spectroscopy, and X-ray Photoelectron Spectrometry analysis showed that the tribofilm formed on the wear surfaces during the friction test is at the origin of the excellent tribological performance of the MoS(2)nanoparticles. In particular, it was demonstrated that the interaction of MoS(2)with the organic moiety of the nanoparticles plays a key role in the friction reduction and the good anti-wear properties of the dispersions.
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页数：12
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