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Tests revealed a significant yield point of 1.12 kPa in a silicone oil suspension containing graphene oxide, indicating strong electrorheological properties.
A highly efficient low-concentration electrorheological fluid, namely, a smart suspension that changes its rheological properties in an external electric field was obtained and studied. A silicone oil was chosen as a dispersion medium, which was filled with a synthesized stimuli-sensitive composite of graphene oxide (GO) modified with chitosan. The electrorheological tests showed that the resulting suspension has a pronounced response: the yield point reached 1.12 kPa at a field strength of 7 kV/mm.
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Vovkotrub et al. (2025) studied this question.
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