Results 21 to 30 of about 7,881,982 (352)
Mechanical behaviour of fluid-lubricated faults [PDF]
Nature Communications, 2019 AbstractFluids are pervasive in fault zones cutting the Earth's crust; however, the effect of fluid viscosity on fault mechanics is mainly conjectured by theoretical models. We present friction experiments performed on both dry and fluid-permeated silicate and carbonate bearing-rocks, at normal effective stresses up to 20 MPa, with a slip-rate ranging ...
C. Cornelio +4 more
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Nanomaterials, 2020 Molybdenum disulfide quantum dots (MoS2 QDs) are a promising lubricant additive for enhanced engine efficiency. In this study, MoS2 QDs were used as lubricating oil additives for ball-on-disc contact and had adequate dispersity in paroline oil, due to ...
Junde Guo +6 more
doaj +1 more source
Lubricants, 2023 Grinding fluid often struggles to enter the grinding area and overcoming this challenge has been a major focus of research in recent years. Therefore, CNTs@T304 nano-capsules are prepared by filling the cavities of CNTs with a lubricant of T304.
Jiju Guan +5 more
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Frictional lubricity enhanced by quantum mechanics [PDF]
Proceedings of the National Academy of Sciences, 2018 Significance Sliding friction, a corner of physics still under debate after centuries, is currently studied in nanosystems such as optical lattice emulators, where parameters are easy to control but where applicability of classical mechanics is no longer guaranteed.
Zanca, Tommaso +3 more
openaire +4 more sources
Lubrication Mechanisms Between Parallel Rough Surfaces [PDF]
Tribology Letters, 2019 This paper presents a numerical analysis of the hydrodynamic pressure build-up between parallel surfaces. According to the Reynolds theory, it is not possible to generate a pressure between flat parallel sliding surfaces. However, experimental results demonstrate that mechanical seal surfaces can be separated by a full fluid film if the sliding speed ...
Brunetière, Noël, Francisco, Arthur
openaire +2 more sources
Gas-Phase Lubrication of ta-C by Glycerol and Hydrogen Peroxide. Experimental and Computer Modeling [PDF]
, 2010 Tetrahedrally coordinated hydrogen-free amorphous diamond-like carbon coating (denoted as ta-C) presents ultralow friction under boundary lubrication conditions at 80 °C in presence of OH-containing molecules.
De Barros Bouchet, Maria-Isabel +6 more
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Development of Early Concepts of Lubrication in Natural Synovial Joints
Tribology Online, 2011 Despite a significant increase in the number of lubrication studies of articualr cartilage and synovial joints in recent times, the early development of lubrication concepts is particularly important and has played an important role in the understanding ...
Zhongmin Jin, Duncan Dowson
doaj +1 more source
Tribology Online, 2022 The tribological enhancement of nano-lubricant that consist of formulated Eichhornia Crassipes carbon nanotubes (EC-CNTs) dispersed in base rapeseed oil using sodium dodecyl sulfate (SDS) and oleic acid (OA) as surfactants was conducted in this study ...
Anthony Chukwunonso Opia +9 more
doaj +1 more source
MoS2 Nanomaterials as Lubricant Additives: A Review
Lubricants, 2023 Improving the lubricating properties of base oils through additives is a crucial objective of tribological research, as it helps to reduce friction and wear of materials.
Ziyan Lu +7 more
doaj +1 more source
BS-ISO helical gear fatigue life estimation and wear quantitative features analysis [PDF]
, 2009 Original article can be found at: http://www3.interscience.wiley.com/ Copyright Blackwell Publishing. DOI: 10.1111/j.1475-1305.2008.00457.xLack of representative theoretical models for gear wear causes difficulties in their useful lifetime prediction ...
Bostjan +6 more
core +1 more source