Electrorheological elastomer material | Mekhanika | kompozitsionnykh | materialov i konstruktsii
> Volume 24 > №4 / 2019 / Pages: 660-666

Electrorheological elastomer material

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Abstract:

In this paper, was described cold cured vulcanizates were made based on microdimensional unmodified titanium dioxide and polydimethylsiloxane rubber. Cross-linked elastomeric composites with an isotropic and anisotropically distributed filler were made from these vulcanizates. In these composites, the effect of a change in the elastic properties in an applied electric field was considered. Anisotropic, with particles oriented in an applied electric field, and isotropically filled samples were studied. A method for orienting particles in the matrix during vulcanization was shown. The features of the electrorheological response of anisotropically filled and isotropically filled composites are studied. The effect of organosilane on the mechanical properties of the electrorheological elastomer is also considered. As a result, it was determined that an elastomer filled with ER particles, both isotropic and anisotropic, changes its rheological properties in an applied electric field. Anisotropic ERE exhibits a greater electrorheological effect than isotropic, since the value of storage modulus in the field increases relative to the value without field by 40%-50%, whereas in the isotropic an increase of 20% is observed. The introduction of organosilane increases the electrorheological effect for an anisotropic elastomer, while for an isotropic increase it is not visible.

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