Results 91 to 100 of about 896 (199)

Ocena wpływu dodatków ZDDP i grafenu w oleju PAO 8 na właściwości tribologiczne powłoki TIALN

, 2023
This paper investigates the tribological effects of graphene and anti-wear zinc dialkyl dithiophosphates (ZDDP). Friction tests have been carried out on a tribological tester which operates as a ball and disc assembly in a frictional, sliding motion ...
Madej, Monika, Kowalczyk, Joanna, Ozimina, Dariusz   +2 more
core   +1 more source

Synergism between bio-based oleate ester and low-concentration ZDDP under reciprocating contacts [PDF]

In this study, a bio-based ester was experimentally tested under a reciprocating contact in terms of the tribological performance to assess the potential of bio-based materials as boundary lubrication additives for low Sulphated Ash, Phosphorus, and ...
Espejo, C., Morina, Ardian, Shu, J., Morina, A., Shu, Ju, Kalin, Mitjan, Kalin, M., Espejo, Cayetano   +7 more
core   +1 more source

Additive Adsorption on DLC Coatings in Static and Tribological Conditions Using Neutron Reflectometry

Frontiers in Mechanical Engineering, 2019
Neutron reflectometry (NR) has proven to be an important analytical tool for investigations of the adsorption in boundary lubrication for both simple and complex additives by using either deuterated additives or the base carrier lubricant.
Lucija Čoga, Rok Simič, Thomas Geue, Mitjan Kalin   +3 more
doaj   +1 more source

Experimental Evaluation of Solar-Powered Desalination Ponds in Waste Water Treatment [PDF]

E3S Web of Conferences
The purpose of this research is to examine a desalination pond that is experimental in size and uses solar energy for its heating. The solar pond is the major components of a zero discharge desalinate progression (ZDDP), as shown below.
Sengottaiyan M., Inesh A., Manokar R., Manova Arputharaj R., Vijayaragavan R.   +4 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

Competitive molecular interaction between zinc dialkydithiophosphate (ZDDP) and methyl oleate along boundary lubrication regime [PDF]

, 2020
Fatty acid methyl ester (FAME) possesses good lubricity properties, prompting numerous research work to explore their potential as lubricant additives. However, fully formulated lubricants consist of additive packages, which includes essential anti-wear ...
Chong, W. W. F., Hamdan, S. H., Lee, M. B.   +2 more
core   +1 more source

Studies of the oxidation of zinc dialkyldithiophosphates and related compounds

, 1988
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Raman spectroscopic analysis of Zn[(R0)2 PS2]2 (ZDDP) and Pb[(RO)2 PS2]2 (R=ethyl or n-butyl) indicate that four sulphur atoms co-ordinate to each zinc atom
Paddy, John Leonard
core  

Tribochemical interaction of newly developed organic lubricant additives with ZDDP; the influence of organic additives on tribological performance of ZDDP

, 2020
Reduction in fuel consumption and tighter environmental restrictions on the combustion emission products are among the key challenges of automotive industry, which can be partially addressed by developing more efficient, environmentally friendly ...
Siddiqui, Muhammad Sohail Ahmed
core  

Interaction Between Selected MoS2 Nanoparticles and ZDDP Tribofilms

, 2015
Nanoparticles based on transition metal dichalcogenides (TMD) are considered to hold great promise as boundary lubricating additive/material for improving friction and wear of engineering functional surfaces.
Remškar, M.,, Ripoll, M. Rodriguez,, Suarez, Aldara Naveira,, Tomala, Agnieszka,, Vengudusamy, B.,, Rosentsveig, M.,   +5 more
core   +1 more source

Impact of Soot on Internal Combustion Engine Lubrication—Oil Condition Monitoring, Tribological Properties, and Surface Chemistry

Lubricants
In the study at hand, a systemic investigation regarding the tribochemical effects of crankcase soot is presented. Sooted oils were generated via an engine dynamometer test. Both conventional as well as advanced oil condition monitoring methods indicated
Adam Agocs, Marcella Frauscher, Andjelka Ristic, Nicole Dörr   +3 more
doaj   +1 more source