Results 51 to 60 of about 750 (171)
Tribochemical Reactions of MoDTC Lubricant Additives with Iron by Quantum Mechanics/Molecular Mechanics Simulations [PDF]
, 2020 open5siThe remarkable lubricant properties of molybdenum dithiocarbamates (MoDTCs) make this class of oil additives well-known in the automotive industry.
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Tribology Online, 2020 In this study, the formation processes of molybdenum dithiocarbamate (MoDTC) and zinc diallyldithiophosphate (ZDDP) tribofilms were investigated using an in situ Raman-space layer imaging method (SLIM) tribometer under boundary lubrication.
Hikaru Okubo +2 more
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Asynchronous CDMA Systems with Random Spreading-Part II: Design Criteria [PDF]
, 2009 Totally asynchronous code-division multiple-access (CDMA) systems are addressed. In Part I, the fundamental limits of asynchronous CDMA systems are analyzed in terms of spectral efficiency and SINR at the output of the optimum linear detector.
Cottatellucci, Laura +2 more
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LubricantsWith the aim of improving the tribological properties of low-viscosity gear oil for automobiles, an acrylate of dialkyl dithiophosphoric acid (ADDP) with strong polar groups was synthesized.
Minghao Ding +3 more
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Nihon Kikai Gakkai ronbunshu, 2018 The wear acceleration mechanism of a DLC film lubricated with MoDTC solution was investigated by using in-situ and ex-situ analytical techniques: Raman spectroscopy, SEM-EDS, ToF-SIMS, and nano-indenter. From the results, the structural change of the DLC
Hikaru OKUBO +4 more
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Tribology Online, 2018 Tribofilms are critical for the management of wear and the control of friction. This study focused on the tribological properties of tribofilms to clarify their antiwear and low-friction mechanisms.
Renguo Lu +4 more
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Lubricant oil influence on the combustion process of conventional and Innovative internal combustion engines [PDF]
, 2023 The negative impacts of climate change are mounting very fast and bold actions are required, so that significant efforts are needed to improve the current technologies for mobility because of the competitive marketplace as well as of the ever-tightening ...
Calo', Giuseppe
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Interactions of Ethanol with Friction Modifiers in Model Engine Lubricants
Lubricants, 2019 When employed as an engine fuel, ethanol can accumulate in the lubricant during use. Previous work has shown that ethanol contamination affects friction and elastohydrodynamic lubrication (EHL) film formation, and also the growth and stability of anti ...
Henara L. Costa, Hugh Spikes
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Effects of Phosphonate Additives with Hydroxy Groups on the Tribological Properties of ta-C Coatings Under Boundary Lubrication [PDF]
, 2023 Additives that are optimized for diamond-like carbon (DLC) coatings are highly demanded as their applications have expanded recently. In this study, friction tests were conducted on a tetrahedral amorphous carbon (ta-C)/ta-C tribopair using a phosphonate
Murashima, Motoyuki +5 more
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Tribology Online, 2010 One of the main challenges that engine oil manufacturers are now facing is to reduce friction losses while at the same time increasing the durability of engine components.
Ardian Morina +2 more
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