Results 171 to 180 of about 16,798 (200)
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Stictionless Magnetorheological Technology
SAE Technical Paper Series, 2004<div class="htmlview paragraph">This paper presents an investigation into prototype magnetorheological (MR) fluid controllable damping technology that utilizes no sliding seals for operation. The result is viscous damping without stiction and wear associated with the abrasive nature of MR fluid.
Shawn P Kelso +2 more
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Frequency-Dependent on the Magnetorheological Effect of Magnetorheological Plastomer
2020A low cross-linked magnetic polymer matrix also known as magnetorheological plastomer (MR plastomer) containing micron-sized carbonyl iron particles (CIPs) is a new kind of MR materials. MR plastomer can be prepared by two main methods which are physically and chemically crosslinking. However, the study on the dynamic properties of involving chemically
N. M. Hapipi +6 more
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Thick magnetorheological elastomers
SPIE Proceedings, 2011ABSTRACT In the present study, two types of MRE with different concentrations, and circular and rectangular shapes having thicknesses from 6.35mm to a maximum of 25.4mm are prepared. These samples are tested under quasi-static compression and quasi-static double lap shear.
Praveen Mysore +2 more
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Homogeneous Magnetorheological Materials
Journal of Intelligent Material Systems and Structures, 1998The conditions of formation of homogeneous magnetorheological media are discussed using, as an example, the compositions of polyvinyl alcohol with variable-valance metals (Cu, Ni, Co, Fe), some polyacids, and orthophosphoric acid. A comparative evaluation is made of the magnetorheological properties of the compositions depending on the introduced ...
T. G. Lazareva +2 more
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Thermogelling magnetorheological fluids
Smart Materials and Structures, 2013A novel approach is proposed for the formulation of kinetically stable magnetorheological (MR) fluids exhibiting an MR effect. Thermoresponsive carrier fluids are used which develop a sol–gel transition on increasing the temperature. Turbidity measurements, multiwave rheology and steady shear flow tests are carried out on model conventional MR fluids ...
Keshvad Shahrivar, Juan de Vicente
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Compressible magnetorheological fluids
Journal of Applied Polymer Science, 2009AbstractA novel compressible magnetorheological fluid (CMRF) has been synthesized with additives that provide compressibility to the fluid. This CMRF has been designed to provide an elastic component to a magnetorheological fluid (MRF) that can be used as a springless damper. CMRF provides controllable compressibility to the MRF. The controllability of
Alan Fuchs +5 more
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Magnetorheological fluid composites
Journal of Physics D: Applied Physics, 1996An interesting extension in the use of magnetic fluids has resulted from the development of magnetic fluid composites obtained by dispersing micrometre-sized non-magnetic particles in a magnetic fluid. The composites possess a yield stress in a magnetic field which can be described at sufficiently high strain rates by the Bingham relation , where is ...
J Popplewell, R E Rosensweig
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Magnetorheological Elastomer Composites
2011Smart composites based on carbonyl iron powder, micro and nano size Fe3O4 in ethylene – propylene and acrylonitrile – butadiene rubber were manufactured and studied. Elastomer samples with various volume fractions of magnetic particles were tested. To improve dispersion of applied fillers in polymer matrix, ionic liquids were added during the process ...
Marian Zaborski, Marcin Masłowski
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Adaptive magnetorheological materials
Annales de Chimie Science des Matériaux, 2004Cet article detaille de recents resultats que nous avons obtenus sur des materiaux composites constitues de particules magnetiques micrometriques, dispersees soit dans un fluide (fluides magnetorheologiques), soit dans un elastomere (elastomeres magnetorheologiques). Dans le cas des fluides MR, nous etudions le profil d'ecoulement dans un capillaire en
Georges Bossis +2 more
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Magnetorheological particle clouds
Journal of Magnetism and Magnetic Materials, 2019Abstract It is known that a suspension of relatively large micron-size particles dispersed in a ferrofluid of much smaller particles yields a magnetorheological flui d with superior properties. In the absence of applied field experiment reveals the presence of a nanoparticle cloud surrounding each micron-size particle.
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