static friction


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static friction

n.
The friction arising between two objects in contact that are at rest with respect to each other.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
There are a number of problems that can be experienced in sanitary seal applications, many of which are related to thermal and chemical resistance challenges, compression set (permanent deformation), and high static friction (stiction).
(1), (9) Both tools have rotational axes to prevent dancers from using friction when performing turnout, but neither provides the exact static friction torque of the device.
Specifications include maximum RPM of 6000, static friction torque range from 0.044 ft.
The laws of the dry friction are usually different for static friction between surfaces which are not moving one in respect to the other and for kinetic friction (sometimes called sliding friction or dynamic friction) between surfaces with relative displacement, see for instance Andersson, Soderberg, and Bjorklund (2007).
Among these nonlinearities, we can mention the occurrence of the grip and slip (stick-slip) phenomenal on the valve stem due to static friction (stiction) between its moving parts.
Liu, "Test method for Coefficient Static Friction by Use of the Inclined Plane Method Accurately," Modern Manufacturing Technology and Equipment, vol.
The employment of [[epsilon].sub.[mu]] avoids the convergence difficulties caused by the sudden "jump" from static friction to dynamic friction, and provides a continuous and smooth numerical transition between the stick state and sliding state, which corresponds to the physically observed microslip state [20].
Finally, the importance of the static friction is emphasized showing the experimental seismic response of an isolation system under a low-energy earthquake.
[T.sub.ST] - clutch holding torque dependent on static friction
The static friction with presence of magnetic latching can be modified as: