Results 171 to 180 of about 2,264,111 (240)
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Journal of Manufacturing Processes, 2019
The friction between textured surfaces was investigated by reciprocating sliding tests under similar operating conditions of sliding guideways. Micro-grooves parallel, perpendicular and 45° to sliding orientation were fabricated on the contacting ...
Hongzhi Yue +4 more
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The friction between textured surfaces was investigated by reciprocating sliding tests under similar operating conditions of sliding guideways. Micro-grooves parallel, perpendicular and 45° to sliding orientation were fabricated on the contacting ...
Hongzhi Yue +4 more
semanticscholar +1 more source
Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 2000
Evidence is reviewed for the concept that the body employs essentially the same lubrication system in many sites in the body where tissues slide over each other with such ease. This system consists of fluid adjacent to surfaces coated with an oligolamellar lining of surface-active phospholipid (SAPL) acting as a back-up boundary lubricant wherever the
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Evidence is reviewed for the concept that the body employs essentially the same lubrication system in many sites in the body where tissues slide over each other with such ease. This system consists of fluid adjacent to surfaces coated with an oligolamellar lining of surface-active phospholipid (SAPL) acting as a back-up boundary lubricant wherever the
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Tribology Transactions, 2018
In this study, the time-dependent formation process of molybdenum dithiocarbamate (MoDTC)-derived tribofilms at steel/steel contact under boundary lubrication was investigated by using an in situ Raman tribometer. Especially, we focused on the effects of
H. Okubo, M. Yonehara, S. Sasaki
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In this study, the time-dependent formation process of molybdenum dithiocarbamate (MoDTC)-derived tribofilms at steel/steel contact under boundary lubrication was investigated by using an in situ Raman tribometer. Especially, we focused on the effects of
H. Okubo, M. Yonehara, S. Sasaki
semanticscholar +1 more source
Boundary lubrication under water
Nature, 2006Boundary lubrication, in which the rubbing surfaces are coated with molecular monolayers, has been studied extensively for over half a century. Such monolayers generally consist of amphiphilic surfactants anchored by their polar headgroups; sliding occurs at the interface between the layers, greatly reducing friction and especially wear of the ...
Briscoe, WH +5 more
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Boundary Lubrication Mechanisms for High-Performance Friction Modifiers.
ACS Applied Materials and Interfaces, 2018We recently reported a new molecular heterocyclic friction modifier (FM) that exhibits excellent friction and wear reduction in the boundary lubrication regime. This paper explores the mechanisms by which friction reduction occurs with heterocyclic alkyl-
Xingliang He +9 more
semanticscholar +1 more source
Boundary Lubrication by Associative Mucin
Langmuir, 2015Mucus lubricants are widely distributed in living organisms. Such lubricants consist of a gel structure constructed by associative mucin. However, limited tribological studies exist on associative mucin fluids. The present research is the first to investigate the frictional behavior of a typical intact vertebrate mucin (loach skin mucin), which can ...
Xiang, Wang +4 more
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, 2018
In this study, the friction properties and wear performances of monolayer and multilayer coating structures operating under hydrodynamic, mixed and boundary lubrications have been evaluated using a ball-on-disc configuration. Results showed that, whereas
R. Bajwa +4 more
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In this study, the friction properties and wear performances of monolayer and multilayer coating structures operating under hydrodynamic, mixed and boundary lubrications have been evaluated using a ball-on-disc configuration. Results showed that, whereas
R. Bajwa +4 more
semanticscholar +1 more source
Boundary Friction and Boundary Lubrication
Scientific Lubrication, 1957Friction arises at the real contact area of two contacting bodies. This area depends on the mechanical properties of the bodies, geometrical configuration, and load. The authors described a new optical method of determining the area of contact, developed in the Laboratory of Friction and Friction Materials of the Academy of Sciences, Russia.
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Theory of friction and boundary lubrication
Physical Review B, 1993When an external force acts on an adsorbate structure, the structure may slide or flow relative to the substrate. The mechanism behind this sliding motion is of fundamental importance for the understanding of friction and lubrication between two flat macroscopic surfaces, and is also related to the question of what boundary condition should be used for
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Wear, 2019
In the recent years of lubrication development, vegetable oils have been considered as potential candidates for improving the overall tribological performance in comparison to the mineral oils.
Love Kerni, Ankush Raina, M. Haq
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In the recent years of lubrication development, vegetable oils have been considered as potential candidates for improving the overall tribological performance in comparison to the mineral oils.
Love Kerni, Ankush Raina, M. Haq
semanticscholar +1 more source