Results 271 to 280 of about 160,371 (327)
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Solid mechanics-based Eulerian model of friction stir welding
International Journal of Advanced Manufacturing Technology, 2014A new Eulerian model is established based on solid mechanics. With comparisons to the experimental data and the ALE model, the current model is validated. The power and the heat generations from pin side surface, pin tip surface, and shoulder contact surface in different rotating speeds are studied.
Z. Zhang, H. W. Zhang
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Physical Chemistry, Chemical Physics - PCCP, 2021
Emerging, new atomic-scale fabrication methods have enabled scientists to design and manufacture nanostructured devices for the investigation and application of nanoscale regimes in fluid mechanics.
O. Bavi, F. Ghadak
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Emerging, new atomic-scale fabrication methods have enabled scientists to design and manufacture nanostructured devices for the investigation and application of nanoscale regimes in fluid mechanics.
O. Bavi, F. Ghadak
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On the friction mechanism of solid lubricants
Journal of Friction and Wear, 2011It is shown that the coefficient of friction of polycrystalline graphite materials is governed by the crystallite size and adsorption heat of the molecules making up the lubricating layer. In the absence of a lubricating layer in the actual contact zones (in vacuum, dried gases, and in air at temperatures above 200°C), graphite loses its lubricity.
Yu. N. Vasil’ev +2 more
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Nanoscale Friction Mechanisms at Solid–Liquid Interfaces
Angewandte Chemie International Edition, 20131 IMETUM und Physik Department, TUM, Boltzmannstrasse 11, 85748 Garching. 2 Ernst-Berl Institut fur Makromolekulare Chemie, TU Darmstadt, Petersenstrasse 22, 64287 Darmstadt, Germany. Fig. 1: Observed nanoscale friction mechanisms. A single polymer molecule at a solidliquid interface can respond in different ways to a lateral external force, here ...
Balzer, Bizan N. +7 more
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, 2020
This manuscript aim to present a solving algorithm based on a meshless method and suitable to linear and nonlinear behaviors involving the unilateral contact with Coulomb’s dry friction.
H. Fihri-Fassi +3 more
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This manuscript aim to present a solving algorithm based on a meshless method and suitable to linear and nonlinear behaviors involving the unilateral contact with Coulomb’s dry friction.
H. Fihri-Fassi +3 more
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On the Magnitude of the Mechanical Component of Solid Friction
Journal of Applied Physics, 1949An experiment was performed in order to determine the magnitude of that portion of dry, kinetic friction which is contributed by Coulomb friction, or the mechanical interlocking of surface irregularities. The results indicate that the work of the mechanical component of friction accounts for only a few percent of the work of total measured friction.
C. D. Strang, C. R. Lewis
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Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2016
Michele Scaraggi, Bo N J Persson
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Michele Scaraggi, Bo N J Persson
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On the solid-state-bonding mechanism in friction stir welding
Extreme Mechanics Letters, 2020Abstract A critical assessment of various solid-state-bonding mechanisms is established for friction stir welding (FSW) processes of engineering alloys. The commonly assumed sintering-like diffusional-bonding hypothesis is criticized in this work as not the dominant mechanism.
Xue Wang +3 more
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The friction and the mechanical properties of solid krypton
Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1955Abstract An experimental study has been made of the frictional behaviour and of the hardness of solid krypton. It is found that the friction is nearly independent of load over the range investigated. At temperatures close to the melting point the friction is very low and the frictional behaviour is similar to that of ice.
Frank Philip Bowden, G. W. Rowe
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