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Tribology Letters
Erschienen in: Tribology Letters 1/2020

01.03.2020 | Original Paper

Effect of Adding TiO2 Nanoparticles to a Lubricant Containing MoDTC on the Tribological Behavior of Steel/Steel Contacts Under Boundary Lubrication Conditions

verfasst von: P. Deshpande, F. Dassenoy, C. Minfray, I. Z. Jenei, Th. Le Mogne, B. Thiebaut

Erschienen in: Tribology Letters | Ausgabe 1/2020

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Abstract

The tribological performance of lubricants containing TiO2 nanoparticles and Molybdenum DiThioCarbamate (MoDTC) was investigated using a reciprocating ball-on-flat tribometer in steel–steel contacts. Lubricants containing only MoDTC were used for comparison. The influences of the additive concentration (0.1 wt% and 0.5 wt%) and of the roughness of the counterparts (Ra from 10 to 200 nm) on the performance of the lubricant were studied. Improved friction modification and anti-wear properties were found when TiO2 nanoparticles were blended with MoDTC compared to MoDTC alone, even at low concentration and with rough surfaces. XPS characterizations and FIB-TEM analyses of tribofilms were performed and suggested that the formation of MoS2 from MoDTC is favored in the presence of TiO2 nanoparticles. The results are discussed, taking into account the tribocatalytic properties of TiO2 nanoparticles.
Vorheriger Artikel A Comparison of Airborne Particles Generated from Disk Brake Contacts: Induction Versus Frictional Heating
Nächster Artikel Effect of Particle Size on Tribological Properties of Rubber/Steel Seal Pairs Under Contaminated Water Lubrication Conditions

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Metadaten
Titel
Effect of Adding TiO2 Nanoparticles to a Lubricant Containing MoDTC on the Tribological Behavior of Steel/Steel Contacts Under Boundary Lubrication Conditions
verfasst von
P. Deshpande
F. Dassenoy
C. Minfray
I. Z. Jenei
Th. Le Mogne
B. Thiebaut
Publikationsdatum
01.03.2020
Verlag
Springer US
Erschienen in
Tribology Letters / Ausgabe 1/2020
Print ISSN: 1023-8883
Elektronische ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-020-1278-0

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