Micromechanics of dipolar chains using optical tweezers
EM Furst, AP Gast - Physical Review Letters, 1999 - APS
EM Furst, AP Gast
Physical Review Letters, 1999•APSHere we present our initial study of the micromechanical properties of dipolar chains and
columns in a magnetorheological (MR) suspension. Using dual-trap optical tweezers, we
are able to directly measure the deformation of the dipolar chains parallel and perpendicular
to the applied magnetic field. We observe the field dependence of the mechanical properties
such as resistance to deformation, chain reorganization, and rupturing of the chains. These
forms of energy dissipation are important for understanding and tuning the yield stress and …
columns in a magnetorheological (MR) suspension. Using dual-trap optical tweezers, we
are able to directly measure the deformation of the dipolar chains parallel and perpendicular
to the applied magnetic field. We observe the field dependence of the mechanical properties
such as resistance to deformation, chain reorganization, and rupturing of the chains. These
forms of energy dissipation are important for understanding and tuning the yield stress and …
Abstract
Here we present our initial study of the micromechanical properties of dipolar chains and columns in a magnetorheological (MR) suspension. Using dual-trap optical tweezers, we are able to directly measure the deformation of the dipolar chains parallel and perpendicular to the applied magnetic field. We observe the field dependence of the mechanical properties such as resistance to deformation, chain reorganization, and rupturing of the chains. These forms of energy dissipation are important for understanding and tuning the yield stress and rheological behavior of an MR suspension.
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