Abstract
A statistical model of highly concentrated ferrocolloids is proposed. The model is based on the use of the mean field theory for the single-particle orientational distribution function of the magnetic moments of ferroparticles. The expression for the effective mean field is derived with the method of perturbation theory of the second order with respect to the concentration and intensity of magnetodipole interparticle interaction. It is proposed to apply the magnetogranulometric analysis for describing magnetization curves for highly concentrated ferrocolloids. The high efficiency of the modified mean field theory is demonstrated during the determination of the parameters of disperse composition of ferrocolloids by the magnetogranulometric analysis.
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