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Tribology Letters
Erschienen in: Tribology Letters 2/2009

01.11.2009 | Original Paper

Fullerene-like MoS2 Nanoparticles and Their Tribological Behavior

verfasst von: R. Rosentsveig, A. Gorodnev, N. Feuerstein, H. Friedman, A. Zak, N. Fleischer, J. Tannous, F. Dassenoy, R. Tenne

Erschienen in: Tribology Letters | Ausgabe 2/2009

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Abstract

Using a new quartz-made reactor, large amounts of fullerene-like (IF) MoS2 nanoparticles were synthesized by reacting MoO3 vapor with H2S in a reducing atmosphere. The nanoparticles were found to be of high crystalline order; with an average size of 70 nm and consist of more than 30 closed shells. Extensive tribological testing of the nanoparticles in two types of synthetic oils- poly-alpha olefins (PAO)- was carried out and compared to that of bulk (2H platelets) MoS2 and IF-WS2. These tests indicated that under high pressure and relatively low humidity, the IF-MoS2 exhibited a friction coefficient as low as 0.03 and the smallest wear rate of the measured systems. However, its performance was found to be lower in comparison to IF-WS2 after 2500 cycles, due probably to its inferior chemical stability. This study indicates that the tribological performance of the IF nanoparticles depends strongly on their crystalline order and size.
Vorheriger Artikel Heat Treated NiP–SiC Composite Coatings: Elaboration and Tribocorrosion Behaviour in NaCl Solution
Nächster Artikel Characteristics of the Friction Between Aluminium and Steel at Elevated Temperatures During Ball-on-Disc Tests

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Metadaten
Titel
Fullerene-like MoS2 Nanoparticles and Their Tribological Behavior
verfasst von
R. Rosentsveig
A. Gorodnev
N. Feuerstein
H. Friedman
A. Zak
N. Fleischer
J. Tannous
F. Dassenoy
R. Tenne
Publikationsdatum
01.11.2009
Verlag
Springer US
Erschienen in
Tribology Letters / Ausgabe 2/2009
Print ISSN: 1023-8883
Elektronische ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-009-9472-0

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