Results 21 to 30 of about 4,037,251 (243)

Negative area-dependent nanoscale friction of annular graphene sheets

open access: yesAIP Advances, 2022
The influence mechanisms of the contact area on the sliding friction behavior are still not entirely clear, and determining the intrinsic correlation between friction and the contact area at the nanoscale remains a challenge.
Hongwei Zhang   +4 more
doaj   +1 more source

Investigation of Programmable Friction with Ionic Liquid Mixtures at the Nano- and Macroscales

open access: yesLubricants, 2023
Non-mechanical stimuli are used to directly control or program the friction properties of tribosystems. For this purpose, an ionic liquid is used as a lubricant that affects and controls the friction in the presence of external triggers.
Felix Joachim Gatti   +10 more
doaj   +1 more source

Static Friction in a Cable-Driven Transmission—Modeling and Identification of Load Effects

open access: yesLubricants, 2022
Although many friction models have been developed by various researchers over the years, a general model does not exist yet. In this article, we present the work that was developed to identify and propose an empirical model that represents the behavior ...
Giovanni Torres-Charry   +1 more
doaj   +1 more source

A comparison between single sided and double sided friction stir welded 8mm thick DH36 steel plate [PDF]

open access: yes, 2012
As part of an ongoing process to fully evaluate the potential for friction stir welding (FSW) to be used in the shipbuilding industry, a comparison has been made between two variants of the process.
Osman, M.M.   +3 more
core   +3 more sources

Experimental investigation of friction behavior in pre-sliding regime for pneumatic cylinder

open access: yesVietnam Journal of Mechanics, 2014
Friction always presents in pneumatic cylinders and causes difficulties in controlling position and velocity of pneumatic systems. In order to improve the control performance of the pneumatic systems, it is necessary to fully understand behavior of ...
Tran Xuan Bo   +3 more
doaj   +1 more source

Experimental study on nonlinear friction behavior of granular flow lubrication

open access: yesResults in Physics, 2022
Solid granules have good lubrication performance and load-bearing capacity, which has been concerned by researchers. However, the correlation mechanism between lubrication performance and granular medium dynamics is hardly focused on.
Fanjing Meng   +4 more
doaj   +1 more source

Optimization of Friction Behavior Characteristics by Coating with Solid Lubricants

open access: yesMachines, 2019
Increasing the lifetime of machine elements whose operation involves the development of friction processes and diminishing energy losses by friction can be achieved by using solid lubricants.
Oana Dodun   +3 more
doaj   +1 more source

Influence of Post-Welding Heat Treatment on the Corrosion Behavior of a 2050-T3 Aluminum-Copper-Lithium Alloy Friction Stir Welding Joint [PDF]

open access: yes, 2011
The corrosion behavior of a Friction Stir Welding joint in 2050-T3 Al-Cu-Li alloy was studied in 1 M NaCl solution and the influence of T8 post-welding heat treatment on its corrosion susceptibility was analyzed.
Odemer, Grégory   +13 more
core   +1 more source

Tribological behavior of shape memory cyanate ester materials and their tunable friction mechanism

open access: yesFriction, 2023
High-performance polymer friction materials with tunable tribological behavior to fit varied work conditions remain a challenge of widespread interest for a variety of applications.
Zhangzhang Tang   +8 more
doaj   +1 more source

Multi-physics simulation of friction stir welding process [PDF]

open access: yes, 2009
Purpose: The Friction Stir Welding (FSW) process comprises of several highly coupled (and non-linear) physical phenomena: large plastic deformation, material flow transportation, mechanical stirring of the tool, tool-workpiece surface interaction ...
Li, Hongjun, Mackenzie, D., Hamilton, R.
core   +4 more sources

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