Results 71 to 80 of about 1,628,342 (332)
Applied Sciences, 2022 At present, the interface shear test is mainly used to evaluate the anti-sliding performance of the new foundation base. However, the traditional interface shear test has certain limitations in simulating the load change during the construction process ...
Hongyuan Liu +6 more
doaj +1 more source
Stochastic motion under nonlinear friction representing shear thinning
Physical Review E, 2023 We study stochastic motion under a nonlinear frictional force that levels off with increasing velocity. Specifically, our frictional force is of the so-called Coulomb-tanh type. At small speed, it increases approximately linearly with velocity, while at large speed it approaches a constant magnitude, similarly to solid (dry, Coulomb) friction.
Theo Lequy, Andreas M. Menzel
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Advanced Engineering Materials, EarlyView.Phase‐field simulations coupled with dislocation‐density‐based crystal plasticity modeling reproduce γ′ rafting behavior in single‐crystal Ni‐based superalloys under varied loading conditions. The model captures both macroscopic creep and microscopic morphology evolution, with results matching high‐temperature creep experiments.
Micheal Younan +5 more
wiley +1 more source
Stick-slip instabilities in sheared granular flow: the role of friction and acoustic vibrations
, 2015 We propose a theory of shear flow in dense granular materials. A key ingredient of the theory is an effective temperature that determines how the material responds to external driving forces such as shear stresses and vibrations. We show that, within our
Carlson, J. M. +3 more
core +3 more sources
Anomalous acoustic reflection on a sliding interface or a shear band [PDF]
, 2003 We study the reflection of an acoustic plane wave from a steadily sliding planar interface with velocity strengthening friction or a shear band in a confined granular medium.
B. Velický +22 more
core +1 more source
Friction’s Role in Shear Thickening
Physics, 2013 A new model is able to simulate the sudden jump in viscosity that can occur in rapidly flowing suspensions of hard particles in liquids.
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Advanced Engineering Materials, EarlyView.Additive manufacturing provides precise control over the placement of continuous fibres within polymer matrices, enabling customised mechanical performance in composite components. This article explores processing strategies, mechanical testing, and modelling approaches for additive manufactured continuous fibre‐reinforced composites.
Cherian Thomas, Amir Hosein Sakhaei
wiley +1 more source
Velocity dependence of friction of confined polymers [PDF]
, 2009 We present molecular dynamics friction calculations for confined hydrocarbon solids with molecular lengths from 20 to 1400 carbon atoms. Two cases are considered: (a) polymer sliding against a hard substrate, and (b) polymer sliding on polymer.
Persson, B. N. J. +2 more
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Noncontact friction via capillary shear interaction at nanoscale [PDF]
Nature Communications, 2015 AbstractFriction in an ambient condition involves highly nonlinear interactions of capillary force, induced by the capillary-condensed water nanobridges between contact or noncontact asperities of two sliding surfaces. Since the real contact area of sliding solids is much smaller than the apparent contact area, the nanobridges formed on the distant ...
Manhee Lee +3 more
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Start-up shear of spherocylinder packings: Effect of friction [PDF]
Physical Review E, 2021 We study the response to shear deformations of packings of long spherocylindrical particles that interact via frictional forces with friction coefficient $ $. The packings are produced and deformed with the help of molecular dynamics simulations combined with minimization techniques performed on a GPU. We calculate the linear shear modulus $g_\infty$,
openaire +4 more sources