Results 21 to 30 of about 267,007 (345)

Statistics of the contact network in frictional and frictionless granular packings [PDF]

, 2002
Simulated granular packings with different particle friction coefficient mu are examined. The distribution of the particle-particle and particle-wall normal and tangential contact forces P(f) are computed and compared with existing experimental data ...
A.S. Clarke, C. Thornton, C.h. Liu, C.S. O’Hern, D.L. Blair, D.M. Mueth, F. Radjai, F. Radjai, F. Radjai, F. Radjai, G. Løvoll, Gary S. Grest, H.M. Jaeger, J. Schafer, J.-P. Bouchaud, J.E.S. Socolar, J.G. Geng, J.G. Geng, J.P. Wittmer, James W. Landry, L. Vanel, L.E. Silbert, L.E. Silbert, Leonardo E. Silbert, M.E. Cates, N.W. Mueggenburg, O. Tsoungui, O.R. Walton, P.A. Cundall, R. Jullien, S. Torquato, S.F. Edwards, S.N. Coppersmith, T. Aste   +33 more
core   +3 more sources

Correlating Coefficient of Friction and Shear Force to Platen Motor Current in Tungsten and Interlayer Dielectric Chemical Mechanical Planarization at Highly Non-Steady-State Conditions

ECS Journal of Solid State Science and Technology, 2019
Correlations between shear force and platen motor current (PMC), as well as those between coefficient of friction (COF) and PMC were investigated for various tungsten and interlayer dielectric (ILD) chemical mechanical planarization (CMP) cases where the
R. Headley, C. Frank, Y. Sampurno, A. Philipossian   +3 more
semanticscholar   +1 more source

Speed and Atmosphere Influences on Nanotribological Properties of NbSe2 [PDF]

, 2009
Nanotribological properties of NbSe2 are studied using an atomic friction force microscope. The friction force is measured as a function of normal load and scan speeds ranging from 10 nm s−1 to 40 μm s−1 under two atmospheres (air and argon).
Bade, François, Bilas, Philippe, Delbé, Karl, Mansot, Jean-Louis, Romana, Laurence   +4 more
core   +2 more sources

A finite element analysis (FEA) approach to simulate the coefficient of friction of a brake system starting from material friction characterization

Friction, 2020
The coefficient of friction (COF) is one of the most important parameters to evaluate the performance of a brake system. To design proper brake systems, it is important to know the COF when estimating the brake force and resulting torque.
G. Riva, F. Varriale, J. Wahlström
semanticscholar   +1 more source

Gait and Force Analysis of Provoked Pig Gait on Clean and Fouled Concrete Surfaces [PDF]

, 2009
Gait and force analysis have proven to be useful methods in linking claw injuries to surface material conditions. To determine the relationship between claw disorder and floor properties such as friction and surface abrasiveness, the factors controlling ...
Applegate, ASTM, Brooks, Burnfield, C. Nilsson, Cartmill, Cham, Cham, Chang, Clayton, De Belie, Flower, Grönquist, H. von Wachenfelt, Hall, Hanson, Hildebrand, Hildebrand, Hodson, Hottinger, Howell, Jörgensen, Lahrmann, Lemelin, McKee, Perkins, Phillips, Phillips, Powers, Rajkondawar, Redfern, Redfern, S. Pinzke, Strandberg, Telezhenko, Thorup, van der Tol, von Wachenfelt, von Wachenfelt, Webb, Webb   +40 more
core   +2 more sources

CORROSION AND SURFACE PROTECTION IN MACHINE MATERIALS FRICTION HAVE DIFFERENT SURFACE PAIRS EXPERIMENTAL INVESTIGATION OF FACTORS [PDF]

Fiabilitate şi Durabilitate, 2017
Friction force, normal force, linear change. The normal force varies with the loads on the friction object. In order to determine the friction force and the friction coefficient, the friction object and the friction speed are used.
Senai YALCINKAYA
doaj  

Tribometric Device for Determining Friction Forces and Friction Coefficients in the Case of Dry Friction of Materials

Scientific Bulletin of Valahia University - Materials and Mechanics, 2018
Abstract The aim of the paper was to develop a device (“pin-on-disc” type) for the measurement of friction in plane friction couplings with sliding movement. On tribometric device (made in our laboratory) we can measure the friction force, friction coefficient and wear, for different loading conditions, speeds, time and material coupling.
Ivona Camelia Petre, Adrian Catangiu, Ileana Nicoleta Popescu, Dan Nicolae Ungureanu, Alexis Daniel Negrea, Aurora Anca Poinescu, Maria Cristiana Enescu, Elena Valentin Stoian, Veronica Despa   +8 more
openaire   +1 more source

Investigation of friction coefficient to improve traction condition in R2R transport system

AIP Advances, 2023
In a roll-to-roll (R2R) system, the roller’s traction force for precision transportation is crucial for the commercialization of printed electronic devices.
Woojoo Shin, Myungsung Kim, Taehyun Lee, Dongwoo Kang, JaeWon Shim, Yongjin Kim   +5 more
doaj   +1 more source

A1.2 - Force/Torque measuring facility for friction coefficient and multicomponent sensors

Proceedings SENSOR 2013, 2013
This article describes the design of a measuring facility which can be used to investigate and calibrate friction coefficient sensors. These measuring devices are used to measure the prestressing force and the tightening torque and/or the friction torques of bolted joints.
S. Baumgarten, D. Röske, H. Kahmann, D. Mauersberger, R. Kumme   +4 more
openaire   +2 more sources

Existence results for a contact problem with varying friction coefficient and nonlinear forces [PDF]

ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2007
AbstractWe consider the rate‐independent problem of a particle moving in a three‐dimensional half space subject to a time‐dependent nonlinear restoring force having a convex potential and to Coulomb friction along the flat boundary of the half space, where the friction coefficient may vary along the boundary. Our existence result allows for solutions
Schmid, Florian, Mielke, Alexander
openaire   +2 more sources