Results 11 to 20 of about 3,483 (260)

Designing and estimating antioxidant properties of some lubricant additives via QSPR and MD methodologies

Scientific African, 2020
Quantitative structural properties relationship (QSPR) was used as an investigational tool to design new lubricant antioxidant additives with better properties that could replace the long-used multipurpose lubricant additive, Zinc dipropyl ...
Usman Abdulfatai, Adamu Uzairu, Gideon Adamu Shallangwa, Sani Uba   +3 more
doaj   +1 more source

Comparison Between the Action of Nano-Oxides and Conventional EP Additives in Boundary Lubrication

Lubricants, 2020
Additives are essential in lubricant development, improving their performance by the formation of a protective film, thus reducing friction and wear. Some such additives are extreme pressure additives.
Valdicleide Silva Mello, Marinalva Ferreira Trajano, Ana Emilia Diniz Silva Guedes, Salete Martins Alves   +3 more
doaj   +1 more source

Evaluation of the Role of Lubricant Additives in Emission Control

Lubricants, 2022
In the last several decades, emission regulations have become a significant driving force for vehicle technologies, from powertrain design to emission control.
Huifang Shao, Joseph W. Roos, Joseph E. Remias   +2 more
doaj   +1 more source

Synergistic Lubrication and Antioxidation Efficacies of Graphene Oxide and Fullerenol as Biological Lubricant Additives for Artificial Joints

Lubricants, 2022
The service life of artificial joints has gradually failed to meet the needs of patients. Herein, the synergistic lubrication and antioxidant efficacies of graphene oxide (GO) and fullerenol (Fol) as biological lubricant additives for artificial joints ...
Qian Wu, Honglin Li, Liangbin Wu, Zihan Bo, Changge Wang, Lei Cheng, Chao Wang, Chengjun Peng, Chuanrun Li, Xianguo Hu, Chuan Li, Bo Wu   +11 more
doaj   +1 more source

Competitive Adsorption of Ionic Liquids Versus Friction Modifier and Anti-Wear Additive at Solid/Lubricant Interface—Speciation with Vibrational Sum Frequency Generation Spectroscopy

Lubricants, 2020
A modern lubricant contains various additives with different functionalities and the interactions or reactions between these additives could induce synergistic or antagonistic effects in tribological performance.
Dien Ngo, Xin He, Huimin Luo, Jun Qu, Seong H. Kim   +4 more
doaj   +1 more source

Molecular modelling and design of lubricant additives and their molecular dynamic simulations studies of Diamond-Like-Carbon (DLC) and steel surface coating

Egyptian Journal of Petroleum, 2019
Quantitative Structure–Properties Relationship (QSPR) analysis was carried out on 30 lubricant additives while molecular dynamics simulations study was also performed to determine the dynamic binding strength between the hydrogen-containing DLC (a-C: H ...
Usman Abdulfatai, Adamu Uzairu, Sani Uba, Gideon Adamu Shallangwa   +3 more
doaj   +1 more source

Quantitative structure-properties relationship and molecular design of some anti-wear lubricant additives

South African Journal of Chemical Engineering, 2020
In-silico QSPR and MD simulation methods were adopted to effectively design new lubricant anti-wear additive compounds as an alternative to zinc dialkyl dithiophosphate (ZDDP) which was reported to contribute to environmental pollution.
Usman Abdulfatai, Adamu Uzairu, Sani Uba, Gideon Adamu Shallangwa   +3 more
doaj   +1 more source

Experimental Investigation on the Wear Performance of Nano-Additives on Degraded Gear Lubricant

Lubricants, 2023
This study investigates the degradation of a commercially available gear lubricant and the potential of nano-additives to mitigate such degradation. Initially, we performed an experimental study on the chemical degradation of commercially available API ...
Harish Hirani, Dharmender Jangra, Kishan Nath Sidh   +2 more
doaj   +1 more source

In-silico molecular design and dynamic binding energy assessments of some multifunctional lubricating oil additives

South African Journal of Chemical Engineering, 2020
Alternatives multifunctional lubricant additives have been proposed by many researchers to replace long-time use of multifunctional lubricant additive, Zinc-dialkyl-dithiophosphate (ZDDP).
Usman Abdulfatai, Adamu Uzairu, Gideon Adamu Shallangwa, Sani Uba   +3 more
doaj   +1 more source

Synergistic Enhancement of the Lubrication Performance of Zinc Dialkyldithiophosphate by Coexistence with Ionic Liquid

Tribology Online, 2021
Ionic liquids (ILs) are being considered as novel lubricant additives to improve the friction and anti-wear characteristics of sliding surfaces. Because ILs consist of only cations and anions, their physical and chemical properties can be easily tailored
Kaisei Sato, Hikaru Okubo, Shouhei Kawada, Seiya Watanabe, Shinya Sasaki   +4 more
doaj   +1 more source