Results 21 to 30 of about 23,827 (360)

Experimental Investigation of Tribological Properties of Two Fully Formulated Engine Oils with Additional Nanoscale Spherical Zirconia Particles

open access: yesLubricants, 2022
Decreasing harmful emissions of vehicle engines is becoming more and more challenging due to stricter standards. A possible solution is to improve the tribological attributes of lubricants, which can be achieved through the application of appropriate ...
Rajmund Kuti   +2 more
doaj   +1 more source

Performance of Zinc-Difattyalkyldithyocarbamate as Anti-Friction/Anti-Wear Lubricant Additives

open access: yesIndonesian Journal of Chemistry, 2014
Dithyocarbamate is an organosulphur compound that has long been known and widely applied in various fields, including in agriculture and industry. Several variants of synthesized vegetable oil-based Zinc-difattyalkyldithyocarbamate were tested its anti ...
Komar Sutriah   +3 more
doaj   +1 more source

Study on the Lubricating Characteristics of Graphene Lubricants

open access: yesLubricants, 2023
Graphene is considered a good lubricant additive. The lubricating properties of graphene lubricant at different concentrations and temperatures are studied via a four-ball friction and wear-testing machine.
Yi Dong   +4 more
doaj   +1 more source

Graphene-Based Nanomaterials as Lubricant Additives: A Review

open access: yesLubricants, 2022
Reducing friction and wear by improving the tribological properties of liquid lubricants with additives is one of the most important research goals in tribology.
Qiulong Gao   +4 more
doaj   +1 more source

The tribological properties of zinc borate ultrafine powder as a lubricant additive in sunflower oil [PDF]

open access: yes, 2014
This paper presents an investigation on the tribological properties of zinc borate ultrafine powder employed as a lubricant additive in sunflower oil. The stable dispersions of 0.5 wt%, 1 wt% and 2 wt% zinc borate ultrafine powder in sunflower oil were ...
Chen, Yong   +3 more
core   +1 more source

An investigation on the tribological behaviors of steel/copper and steel/steel friction pairs via lubrication with a graphene additive

open access: yesFriction, 2020
In this study, the tribological behaviors of graphene as a lubricant additive for steel/copper and steel/steel friction pairs were compared. For the steel/copper friction pair, the graphene sheets remarkably decreased the coefficient of friction and wear
Junyuan Mao   +4 more
doaj   +1 more source

Radical Scavenging Mechanism and Antioxidant Effect of Fullerenes in Lubricating Oils (Part 3)

open access: yesTribology Online, 2023
Zinc dithiophosphate (ZnDTP) is used in lubricating oils as an antioxidant. However, its use has been discouraged because it contains phosphorus, which has a high environmental burden.
Daiki Takasaki   +3 more
doaj   +1 more source

The Current Situation and Future Direction of Nanoparticles Lubricant Additives in China

open access: yesLubricants, 2022
Nanoparticles as lubricant additives demonstrate powerful friction reduction and antiwear properties and are potential alternatives to traditional additives in line with green and environmentally friendly requirements.
Kun Han   +7 more
doaj   +1 more source

Environmentally Safe Liquid Lubricant for the Saw Chains Based on the Combined Dispersion Medium

open access: yesМеханика машин, механизмов и материалов, 2023
The realization of the synergistic effect is shown on the example of creating of the composite liquid lubricant with improved properties using the combined dispersion medium obtained by mixing of the vegetable and mineral oils.
Andrey V. Zapolsky, Viktor I. Zhornik
doaj   +1 more source

Effects of Carboxylic Acids on Friction and Wear Reducing Properties for Alkylmethylimidazolium Derived Ionic liquids

open access: yesTribology Online, 2006
Lubricant additive technology to improve lubricant performances is an important issue for ionic liquids to be applied practically. Effects of carboxylic acids with different carbon chain length in ionic liquid on tribological properties were examined ...
Hideto Kamimura   +6 more
doaj   +1 more source

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