12 July 1999 Magnetorheological elastomers: properties and applications
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Magnetorhelogical (MR) elastomers are viscoelastic solids whose mechanical properties are controllable by applied magnetic fields. We have developed a family of MR elastomers, comprising micrometer-sized carbonyl iron particles embedded in natural rubber, that can be processed using conventional rubber-mixing techniques. By crosslinking the elastomer in the presence of an applied magnetic field, field-induced interparticle interactions promote the formation of particle chains and columns aligned along the field direction. The resulting composites possess field- dependent of the mechanical properties of MR elastometers enables the construction of controllable elastomeric components, such as suspension bushings, that may prove advantageous in some automotive applications.
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John M. Ginder, John M. Ginder, Mark E. Nichols, Mark E. Nichols, Larry D. Elie, Larry D. Elie, Janice L. Tardiff, Janice L. Tardiff, } "Magnetorheological elastomers: properties and applications", Proc. SPIE 3675, Smart Structures and Materials 1999: Smart Materials Technologies, (12 July 1999); doi: 10.1117/12.352787; https://doi.org/10.1117/12.352787

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