NDLI: Synthesis and Tribological Performance of Novel Mo$_{ x }$W$_{1−x }$S$

Content Provider	Springer Nature Link
Author	Tanus, Johny Dassey, Fabrice Bruhács, Andrew Tremel, Wolfgang
Copyright Year	2009
Abstract	Inorganic fullerene-like (IF) MoS$_{2}$ and WS$_{2}$ nanoparticles were found to be good friction modifiers and anti-wear additives when dispersed in a lubricant. Their tribological performance seems to be related to the structure, size, and shape of these nanomaterials. The present study describes the tribological properties of a new inorganic fullerene IF-Mo$_{ x }$W$_{1−x }$S$_{2}$ containing both molybdenum and tungsten disulfide under boundary lubrication. Mo$_{ x }$W$_{1−x }$S$_{2}$ amorphous inorganic fullerene nanostructures were synthesized by means of MOCVD using an induction furnace setup. The average diameters range from 25 to 45 nm. Upon variation of the amounts of precursors and S, various solid solutions of IF-Mo$_{ x }$W$_{1−x }$S$_{2}$ were obtained. In addition, a morphological, chemical, and structural analysis of the samples was performed using high resolution scanning electron microscopy (HRSEM), transmission electron microscopy (TEM), and X-ray powder diffraction (XRD). Friction experiments were carried out with a ball-on-flat contact using an environmental tribometer. The results show interesting friction reducing and wear properties of these nanomaterials. The change in the molecule stoichiometry, which led to a variation of particles size but also to a variation of the crystallinity of the particles, affects the tribological performance.
Starting Page	83
Ending Page	92
Page Count	10
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	37
Issue Number	1
e-ISSN	15732711
Language	English
Publisher	Springer US
Publisher Date	2009-08-27
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Solid lubrication friction Anti-wear additives Friction modifiers Boundary lubrification friction Nanotechnology Physical Chemistry Theoretical and Applied Mechanics Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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