Results 11 to 20 of about 5,816 (263)

Effects of surface nanostructure on boundary lubrication using molecular dynamics

open access: yesNanotechnology and Precision Engineering, 2021
Molecular dynamics simulations are used to study the boundary lubrication behaviors of squalane lubricant between two iron wall structures during shearing at different pressures and temperatures.
Ling Pan, Hui Yu, Shiping Lu, Guobin Lin
doaj   +1 more source

Pleural Lubrication

open access: yesLubricants, 2016
During breathing, the pleural surfaces slide against each other continuously without damage. Pleural liquid and lubricating molecules should provide the lubrication of the sliding surfaces, thus protecting the mesothelium from shear-induced abrasion.
Cristina Porta   +3 more
doaj   +1 more source

Friction behavior of rough polydimethylsiloxane surfaces under hydrophobic polymer aqueous solution conditions

open access: yesPolymer Testing, 2021
Investigating the frictional behavior of polydimethylsiloxane (PDMS) with well-controlled roughness in complex fluids is important for biological and chemical applications.
Lu Chen   +6 more
doaj   +1 more source

Hydrostatic and boundary lubrication of joints; nature of boundary lubricant.

open access: yesOrtopedia Traumatologia Rehabilitacja, 2012
A very low coefficient of friction in joints makes it difficult to define clearly the mechanism of cartilage lubrication. The present paper describes the two currently predominant and mutually complementary views aiming to elucidate this mechanism. The first mechanism, referred to as hydrostatic lubrication, involves interstitial fluid pressurization ...
Stanisław, Moskalewski   +1 more
openaire   +3 more sources

Numerical Wear Modeling in the Mixed and Boundary Lubrication Regime

open access: yesLubricants, 2022
The increasing use of low-viscosity lubricants in order to reduce the friction in machine elements such as rolling bearings is leading to increased operation in the mixed or boundary lubrication regime.
Andreas Winkler   +2 more
doaj   +1 more source

The Effect of Steel Electropolishing on the Tribological Behavior of a Steel–Bronze Pair in the Mixed and Boundary Lubrication Regimes

open access: yesLubricants, 2023
Electropolishing at high current densities without agitation of the electrolyte results in a pitting phenomenon that produces dimple-like surface features.
Robert Mašović   +5 more
doaj   +1 more source

Evaluation of Lubrication Performance of Foil Bearings with New Texturing

open access: yesTribology Online, 2019
Foil bearings have excellent characteristics such as a high damping performance and acceptable dimensional changes caused by installation errors and thermal expansion.
Hyuga Kikuchi   +2 more
doaj   +1 more source

Entry behavior into Friction Interface and Forming Unstable Lubricating Accumulation of Graphene Oxide between SUJ2 Ball and Glass Disk under Boundary Lubrication

open access: yesTribology Online, 2020
Carbon nanomaterials have been studied for their promising tribological properties under boundary lubrication. However, the behavior of carbon nanomaterials upon entering narrow friction interfaces under boundary lubrication is poorly understood. In this
Hiroshi Kinoshita   +2 more
doaj   +1 more source

Lubrication properties of graphene under harsh working conditions

open access: yesMaterials Today Advances, 2023
Graphene materials considered to be promising candidates for next-generation lubricants has been explored and summarized extensively, owing to their atomic-level lamellar structure and extremely low interlayer shear van der Waals barrier.
Bao Jin   +4 more
doaj   +1 more source

Boundary lubrication with a glassy interface [PDF]

open access: yesPhysical Review E, 2004
Recently introduced constitutive equations for the rheology of dense, disordered materials are investigated in the context of stick-slip experiments in boundary lubrication. The model is based on a generalization of the shear transformation zone (STZ) theory, in which plastic deformation is represented by a population of mesoscopic regions which may ...
Lemaître, Anaël, Carlson, Jean
openaire   +3 more sources

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