Magneto-rheological fluids

Composites with filler concentrations close to the percolation threshold exhibit conductivity which is sensitive to compressive deformation, since this brings the metal particles into contact, thereby forming percolation pathways. This sensitivity has been exploited especially in anisotropic composites. These are made by prealigning the metal particles with either electric or magnetic fields. This alignment is identical with that produced by external fields in electro- and magneto-rheological fluids where at a critical field continuous threads of... [Pg.282]

Abstract The physical properties, based on simulation results, of model fluids and solids bearing an electric or magnetic point dipole moment are described. Comparison is made with experimental data on ferrofluids and electro- or magneto-rheological fluids. The qualitative agreement between experiment and simulation shows the interest of these simple models for the comprehension of physical systems where the dipolar interaction dominates. [Pg.163]

The systems of dipolar particles considered in this review are simple models for fluids or solids whose molecules bear a permanent dipole moment. They can also serve as credible models for suspensions like ferrofluids [1] or elec-tro(magneto)rheological fluids [2,3]. For spherically symmetric dipolar particles the interaction between a pair of particles separated by a distance nj and bearing dipole moments Hi and fij is given by... [Pg.164]

Carlson, J.D. Catanzarite, D.M. and St. Clair, K.A. Commercial Magneto-Rheological Fluid Devices. Proc. 5th Int. Conf on ER Fluids, MR Fluids and Assoc. Tech., Sheffield (July 1995), W.A. Bullough, ed.. World Scientific, Singapore (1996), pp. 20-28... [Pg.288]

Sodeyama, H. Sunakoda, K. Suzuki, K. Carlson, J.D. and Spencer, B.F. Development of Large Capacity Semi-Active Vibration control Device Using Magneto-Rheological Fluid. Proc. ASME Pressure Vessel and Piping Conf.,... [Pg.290]

Hesselbach, J. Abel-Keilhack, C. Active hydrostatic bearing with magneto-rheological fluid. J. Appl. Phys., Vol. 93, No. 10 (2003), pp. 8441-8443... [Pg.465]

Recently there has been much interest in composites of magnetic particles in a soft matrix which respond to a magnetic field by a change of shape and properties [147]. These materials are the elastomeric equivalents of magneto-rheological fluids and electro-rheological fluids. [Pg.27]

Carlson JD, Catanzarite DM, St Clair KA (1995) Commercial magneto-rheological fluid devices. In Proceedings of the 5th international conference on ER fluids, MR fluids and associated technology. University of Sheffield, Sheffield... [Pg.19]

Poddar, P., Wilson, J.L., Srikanth, H., Yoo, J.H., Wereley, N.M., Kotha, S., Baighouty, L., and Radhakrishnan, R. 2004. Nanocomposite magneto-rheological fluids with uniformly dispersed Ee nanoparticles. J. Nanosci. Nanotechnol. 4 1926. [Pg.115]

Promislow, JHE and Gast, AP (1996), Magneto rheological fluid structure in a pulsed magnetic field , Langmuir, 12,4095-4102... [Pg.239]

Among the adaptive materials currently on the forefront are liquid crystals, electro- and magneto-rheological (ER/MR) fluids, thermo- and physioreponsive gels, and shape memory alloys. In all but the last case, these systems involve... [Pg.144]

Tao, R. (Ed.), Electro-Rheological Fluids and Magneto-Rheological Suspensions, World Scientific Publishing Co. Hackensack, NJ, 2000. [Pg.429]

Gavin H. P., The effect of particle concentration inhomogeneities on the steady flow of electro- and magneto-rheological materials. J. Non-Newton. Fluid Mech. 71 (1997)pp. 165-182. [Pg.539]

Vekas, L., Rasa, M., and Bica, D., Physical properties of magnetic fluids and nanoparticles from magnetic and magneto-rheological measurements, J. Colloid Interface Sci., 231, 247, 2000. [Pg.701]

Nakano M, KoyamaK (eds) (1997) Electro-rheological fluids, magneto-rheological suspensions and their applications. World Scientific, Hackensack, NJ... [Pg.188]

Liu J, Mou T, Zhu Y, Haddadian E, Lin X (1996) In Bullough WA (ed) Electro-Rheological Fluids, Magneto-Rheological Suspensions and Associated Technology. World Scientific, Singapore... [Pg.224]

Numerous dampers have been developed to release seismic forces such as soft steel damper, friction damper, magneto-rheological (MR) damper, viscous fluid damper, etc. In this study, the relative mature viscous fluid damper is applied. The force of damper varying with the relative velocity can be formed as ... [Pg.117]

One example of such a substance is a fluid whose flow characteristics (rheology) can be changed from free flowing to almost solid in about 0.01 second by the application of an electromagnetic field. This magneto-rheological (MR) fluid was developed... [Pg.463]

Kordonski WI, Gorodkin SR, Novikova ZA, 6 Intemational Conference on Electo-Rheological Fluids, Magneto-Rheological Suspensions and their Applicatirats, World Seicattifie, Yone-zawa, Japan 1997. [Pg.27]

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