Results 301 to 310 of about 158,333 (341)
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The Nature of the Static and Kinetic Coefficients of Friction
Journal of Applied Physics, 1951Experiments have been carried out to determine the transition between static and kinetic conditions when stationary metal surfaces are set into motion, a simple method being used which measures the energy that has to be given to one of the bodies to start it moving.
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Static coefficient of rolling friction under heating
Journal of Friction and Wear, 2013The effect of heating, the normal load, and the radii of the members in contact on the static coefficient of rolling friction is considered. The design of a new apparatus for measuring the parameters of rolling friction over an inclined plane at elevated temperatures is presented. A need to specify the effect of the type of the materials in contact, as
P. M. Todorović +6 more
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Effect of static correlations on the pair friction coefficient
The Journal of Chemical Physics, 1980A calculation of the spatial dependence of the pair friction tensors ζij(r12), (i, j=1,2) for two hard sphere solute particles in a hard sphere fluid is presented. The calculation is based on a kinetic theory expression for the pair friction tensor. The contribution from dynamically uncorrelated collisions is computed here.
Robert I. Cukier +2 more
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Measurements of the Static Friction Coefficient Between Bone and Muscle Tissues
Journal of Biomechanical Engineering, 2010This study aimed at measuring the static coefficient of friction (μ) between bone and skeletal muscle tissues in order to support finite element (FE) modeling in orthopaedic and rehabilitation research, where such contact conditions need to be defined.
Sharon, Shacham +2 more
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Experiments on the temperature coefficient of static friction
Proceedings of the Physical Society, 1941Angles of repose of metals have been measured under controlled vacuum conditions. Preliminary measurements were made at room temperature in air. As it was found that vibrations tended to reduce the angle of repose, they were eliminated. Naked metal surfaces were obtained for aluminium and cadmium by cleaning by volatilization in a high vacuum ...
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Study of the static coefficient of friction of fishing cordage on a friction gear drum
Journal of Friction and Wear, 2010Fiction interaction of fishing cordage and a friction gear drum under the preliminary displacement on the contact arc by 40–720° is studied. In all experiments, similar pressure of the cordage on the drum surface is ensured. Formulas for the static coefficient of friction are obtained for any angle of the contact arc.
A. A. Nedostup, E. K. Orlov
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An eight-legged tactile sensor to estimate coefficient of static friction
2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2015It is well known that a tangential force larger than the maximum static friction force is required to initiate the sliding motion between two objects, which is governed by a material constant called the coefficient of static friction. Therefore, knowing the coefficient of static friction is of great importance for robot grippers which wish to maintain ...
Wei Chen +6 more
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Static friction coefficient determination by force sensing and its application
Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS'94), 2002One of the essential parts of dextrous manipulation with fingers is the use of sliding motion. Sliding manipulation techniques can fulfil tasks, such as a change of contact point between fingers and objects, a change in the location of objects without losing contact under unknown object-fingertip surface conditions or the determination of an optimal ...
Ralf Bayrleithner, Kiyoshi Komoriya
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Static Friction Coefficient Model for Metallic Rough Surfaces
Journal of Tribology, 1988The friction force required to shear interface bonds of contacting metallic rough surfaces is calculated, taking into account the prestress condition of contacting asperities. The surfaces are modeled by a collection of spherical asperities with Gaussian height distribution.
W. R. Chang, I. Etsion, D. B. Bogy
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Development of an elastomer with a high static or breakaway friction coefficient
Journal of Applied Polymer Science, 1988AbstractThis paper reviews the literature concerning the measurement of friction coefficients (μ) for elastomers and summarizes our data measured under static or breakaway conditions against epoxy painted steel using ∼ 176 psi contact pressure. Although largely related to missile launch system applications, the μ values presented are specific for ...
Joseph F. Meier +2 more
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