Results 271 to 280 of about 818,671 (331)

Origins of rolling friction

Physics Education, 2017
When a hard object rolls on a soft surface, or vice versa, rolling friction arises from deformation of the soft object or the soft surface. The friction force can be described in terms of an offset in the normal reaction force or in terms of energy loss arising from the deformation. The origin of the friction force itself is not entirely clear.
R. Cross
openaire   +2 more sources

Understanding the effect of rolling friction in the inclined track experiment

The Physical Educator, 2020
In general, undergraduate experimental physics laboratories do not usually have experiments designed to address rolling friction and to measure the value of the rolling friction coefficient.
K. Maslova, V. D. de Jesus, D. Sasaki
semanticscholar   +1 more source

Atomic-Scale Rolling Friction and Charge-Transfer Mechanism: An Integrated Study of Physical Deductions and DFT Simulations

, 2020
The deep understanding of atomic-scale rolling friction and the charge transfer mechanism behind it is essential for developing submicrometre-scale electromechanical devices, especially for rolling...
Bozhao Zhang   +4 more
semanticscholar   +1 more source

Forms of Static Friction, Sliding Friction and Rolling Friction

World Tribology Congress III, Volume 1, 2005
Although, it seems that the concepts of static friction, sliding friction and rolling friction are common knowledges, their real sources are ironically not so clear. Inappropriate descriptions of them may have hampered the theoretical analyses and calculations of the frictions and deterred their applications in real world.
Y. Xu, K. L. Yung
openaire   +1 more source

Investigation of modeling non-spherical particles by using spherical discrete element model with rolling friction

Engineering analysis with boundary elements, 2019
Discrete elements method (DEM) is widely used to research the particulate systems in industry. When the particle systems involving large numbers of non-spherical particles, in order to achieve the goal of monitoring the main properties of particles ...
Changhua Xie, Huaqing Ma, Yongzhi Zhao
semanticscholar   +1 more source

Optimizing the mechanical properties of Al–Si alloys through friction stir processing and rolling

Materials Science & Engineering: A, 2021
In this study, hypoeutectic and eutectic Al–Si alloys were processed through rolling and friction stir processing (FSP), and the effects of deformation routes on the microstructures and mechanical properties of Al–Si alloys were studied.
W. Cheng, C. Y. Liu, Z. Ge
semanticscholar   +1 more source

Rolling friction of elastomers: role of strain softening.

Soft Matter, 2019
We study the temperature and velocity dependency of rolling friction. Steel and PMMA cylinders are rolled on sheets of nitrile butadiene rubber (NBR), with and without filler, and fluoroelastomer (FKM) with filler.
A. Tiwari, N. Miyashita, B. Persson
semanticscholar   +1 more source

What is rolling friction?

Resonance, 2004
While discussing friction, often after describing static and sliding friction, a third type called rolling friction is mentioned. The static friction acting on a rolling body can be either in the direction of motion or opposite to it depending upon the forces acting on the body. But the direction of rolling friction is generally not mentioned.
openaire   +1 more source

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