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Structure Properties of Polydisperse Magnetic Fluids
Abstract:
The structure properties of magnetic fluids are studied in the absence of an external magnetic field focusing the main attention on the influence of ferroparticle polydispersity. Magnetic fluid is modeled by a bidisperse system of uniformly magnetized hard spherical particles with permanent magnetic moments. The magnetic fluid microstructure is described with the help of the pair correlation function, and the ferroparticle polydispersity is taken into account within the bounds of bidisperse system. For the parameters, which are typical for real commercial magnetic fluids, we have obtained that the majority of ferroparticles (small is sizes) are less correlated. At the same time the large particles, which are small in number, are strongly correlated.
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641-644
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June 2012
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© 2012 Trans Tech Publications Ltd. All Rights Reserved
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