Results 171 to 180 of about 1,062 (197)

Electrorheological Toners for Electrophotography

Journal of Colloid and Interface Science, 2002
The electrorheological (ER) behavior of pigment suspensions dispersed in a nonaqueous solvent was examined for their application as liquid toners for electrophotography. In electric fields, particles can align into chains along the field vector by dielectric polarization forces and the suspensions undergo a rapid transition from Newtonian fluids to ...
Yasufumi, Otsubo, Yasuharu, Suda
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Rheology of electrorheological fluids

Physical Review Letters, 1992
We present experimental and theoretical results on the shear thinning of electrorheological fluids. Rheological measurements on a model fluid consisting of monodisperse silica spheres immersed in a dielectric liquid show a power-law dependence \ensuremath{\mu}\ensuremath{\propto}\ensuremath{\gamma}${\mathrm{\ifmmode \dot{}\else \.{}\fi{}}}^{\mathrm ...
, Halsey, , Martin, , Adolf
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First Observation of Electrorheological Plasmas

Physical Review Letters, 2008
We report the experimental discovery of "electrorheological (ER) complex plasmas," where the control of the interparticle interaction by an externally applied electric field is due to distortion of the Debye spheres that surround microparticles (dust) in a plasma.
Ivlev, A., Morfill, G., Thomas, H., Räth, C., Joyce, G., Huber, P., Kompaneets, R., Fortov, V., Lipaev, A., Molotkov, V., Reiter, T., Turin, M., Vinogradov, P.   +12 more
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MOLECULE-BASED ELECTRORHEOLOGICAL MATERIAL, ELECTRORHEOLOGICAL PERFORMANCE AND MOLECULE STRUCTURE

International Journal of Modern Physics B, 2011
Molecule-based electrorheological (ER) materials as a novel type of ER materials, a series of compounds using melamine ( C 3 N 6 H 6) as the substrate, have been synthesized using orthophosphoric acid ( H 3 PO 4), oxalic acid ( H 2 C 2 O 4), 4-toluenesulfonic acid (PTA, C 7 H 8 O 3 S ) and 5-sulfosalicylic acid (SSA, C 7 H 6 O 6 S ), respectively as ...
LI HUO, FU-HUI LIAO, JUN-RAN LI, SHAO-HUA ZHANG   +3 more
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Electrorheological tactel elements

Mechatronics, 2005
Abstract The use of ultrasound systems for medical examination and diagnosis is nothing new. The extension of ultrasound techniques for real time elastographic analysis purposes represents a more recent development. Nevertheless, as they stand all such techniques rely on the interpretation of two-dimensional visual data displayed on a video screen ...
D. Klein, H. Freimuth, G.J. Monkman, S. Egersdörfer, A. Meier, H. Böse, M. Baumann, H. Ermert, O.T. Bruhns   +8 more
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Electrorheological Fluid Hysteresis

Materials, 2005
Electrorheological (ER) fluids are suspensions of polarizable particles dispersed in insulating liquids. They exhibit a rapid and reversible transition from a liquid-like to a solid-like state upon the application of an electric field. The observed shear stress - shear rate hysteresis makes the precise control of the ER mechanical devices very ...
Young Dae Kim, Daniel De Kee
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Study on Electrorheological Characteristics of Polythiophene-based Electrorheological Fluid

Electromagnetic Materials, 2005
Electrorheological (ER) fluids are typically composed of polarizable particles dispersed in a nonconducting fluid. Upon the application of an electric field, chain-like or fibrillar aggregates of the suspended particles are oriented along the direction of the electric field, thereby inducing viscoelasticity and a drastic increase in viscosity.
Datchanee Chotpattananont, Anuvat Sirivat, Alexander M. Jamieson   +2 more
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Negative electrorheological fluids

Journal of Rheology, 2013
Electrorheological (ER) fluids are electroresponsive materials that have been extensively investigated for several decades. Despite negative ER fluids being one of the most promising new class of candidate materials for various potential applications, only positive ER fluids have been widely used thus far.
Young Gun Ko, Ung Su Choi
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Analysis of giant electrorheological fluids

Journal of Colloid and Interface Science, 2013
The yield stress dependence on electric field strength for giant electrorheological (GER) fluids over the full range of electric fields was examined using Seo's scaling function which incorporated both the polarization and the conductivity models. If a proper scaling was applied to the yield stress data to collapse them onto a single curve, the Seo's ...
Youngwook P, Seo, Yongsok, Seo
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Boundary effect in electrorheological fluids

Physical Review E, 2011
The effect of the boundary friction coefficient on the rheological properties of the electrorheological (ER) fluids in quasistatic and dynamic states is investigated by computer simulation. The relation between the shear stress and the boundary friction coefficient in quasistatic and dynamic states is discussed qualitatively and quantitatively, and the
X L, Gong, F, Yang, S H, Xuan, L H, Zong, W, Zhu, W Q, Jiang   +5 more
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