Results 31 to 40 of about 937,202 (356)

Tribological Properties of SiO2@Cu and SiO2@MoS2 Core–Shell Microspheres as Lubricant Additives

open access: yesTribology letter, 2021
Herein, core–shell structural SiO2@Cu and SiO2@MoS2 microspheres were prepared using SiO2 as hard core, Cu and MoS2 as shell. As lubricant additives were introduced into base oil (PAO 40), their friction reduction and wear resistance were investigated in
Xiaoliang Ma   +7 more
semanticscholar   +1 more source

Quantitative structure-properties relationship, molecular dynamic simulations and designs of some novel lubricant additives

open access: yesEgyptian Journal of Petroleum, 2019
Quantitative structure-properties relationship (QSPR) method was used to design some novel antioxidant lubricant additives, while molecular dynamics simulations were used to calculate their dynamic binding energies on steel and to hydrogen-containing DLC
Usman Abdulfatai   +3 more
doaj   +1 more source

Nano and micro structures produced from carbon rich fly ash as effective lubricant additives for 150SN base oil

open access: yesJournal of Materials Research and Technology, 2019
Lubricant oils in cars engines are essential components for reducing friction and fuel consumption. The lubrication process can be improved by including effective additives.
Numan Salah   +4 more
doaj   +1 more source

Quantitative Structure-Properties Relationship of Lubricating Oil Additives and Molecular Dynamic Simulations Studies of Diamond-Like-Carbon (DLC) [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2020
Quantitative Structure-Properties Relationship (QSPR) and molecular dynamics simulations studies were carried out on the 53 lubricating oil additives and hydrogen-containing DLC (a-C: H).
Usman Abdulfatai   +3 more
doaj   +1 more source

Research Progress of Nano Copper Lubricant Additives on Engineering Tribology

open access: yesMetals, 2021
Nanoparticles have as characteristics super sliding, extreme pressure, self-healing, etc., which can improve the friction reduction and anti-wear performance of sliding components, when used as lubricating oil additives. Nano-copper particles have a good
Junde Guo   +5 more
semanticscholar   +1 more source

Molecular design of antioxidant lubricating oil additives via QSPR and analysis dynamic simulation method

open access: yesHeliyon, 2019
Alternatives antioxidant lubricant additives have been proposed by many researchers to replace long-time use of multifunctional lubricant additive, Zinc-dialkyl-dithiophosphate (ZDDP).
Usman Abdulfatai   +3 more
doaj   +1 more source

Analysis and comparison of tribological performance of fatty acid-based lubricant additives with phosphorus and sulfur

open access: yesJournal of Bioresources and Bioproducts, 2020
Two environmentally friendly, water-based lubricant additives (phosphorus-containing ricinoleic acid (PRA) and sulfur-containing ricinoleic acid (SRA)) were prepared.
Haiyang Ding   +6 more
doaj   +1 more source

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

Synovial joint lubrication – does nature teach more effective engineering lubrication strategies? [PDF]

open access: yes, 2007
Nature shows numerous examples of systems which show energy efficiency, elegance in their design and optimum use of materials. Biomimetics is an emerging field of research in engineering and successes have been documented in the diverse fields of ...
Liskiewicz, T.   +3 more
core   +1 more source

Effect of Lubricant Additives on the WDLC Coating Structure When Tested in Boundary Lubrication Regime [PDF]

open access: yes, 2015
Improvements in coating deposition technology enable the mass production of high-quality diamond-like carbon (DLC) coatings at an industrial scale and also increase their use in lubricated contacts.
Brown, A   +4 more
core   +1 more source

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