화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.9, No.3, 336-339, May, 2003
Rheological Characteristics of an Iron Particle-based Magnetorheological Fluid under Weak Magnetic Field Strength
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The flow behavior of a magnetic particle suspension was investigated in a steady shear mode, and the internal structure formation as a function of external magnetic field strength was analyzed. Contrary to the general trend of an increase in flow properties with magnetic field strength, distinct transition regions in which the viscosities and stresses temporarily decrease were observed. This depletion zone was explained by a change in the structural formation of the magnetic particles in the continuous medium by the competing processes of chain formation and rupture with an increase in magnetic field strength.
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