23-01-2020 дата публикации
Номер: US20200024543A1
The present invention provides an electrorheological fluid, which includes a dielectric particle, a conductor particle and insulating oil, and the dielectric particle is evenly dispersed in the insulating oil; wherein the conductor particle is evenly dispersed in the insulating oil or inlaid in an interior and on a surface of the dielectric particle. The electrorheological fluid has the advantages of high shear stress, long service life, good temperature stability and small leakage current. 1. An electrorheological fluid , comprising a dielectric particle , a conductor particle and insulating oil , wherein the dielectric particle is evenly dispersed in the insulating oil , and the conductor particle is evenly dispersed in the insulating oil or inlaid in an interior and on a surface of the dielectric particle.2. The electrorheological fluid according to claim 1 , wherein the dielectric particle has a dielectric constant greater than 10 and a resistivity greater than 10 Ω·m.3. The electrorheological fluid according to claim 2 , wherein the dielectric particle is selected from one or more of TiO claim 2 , CaTiO claim 2 , BaTiO claim 2 , SrTiOand LaTiO.4. The electrorheological fluid according to claim 1 , wherein when a temperature is less than 20° C. claim 1 , the conductor particle is a solid with a resistivity less than 10Ω·m claim 1 , and the conductor particle is selected from one or more of metal claim 1 , carbon and a conductive organic matter.5. The electrorheological fluid according to claim 4 , wherein the metal is one or more of Ag claim 4 , Al claim 4 , Au claim 4 , Cu claim 4 , Fe claim 4 , Hf claim 4 , In claim 4 , Nd claim 4 , Ni claim 4 , Pd claim 4 , Pt claim 4 , Rh claim 4 , Ru claim 4 , Sm claim 4 , Sn claim 4 , Ti claim 4 , V claim 4 , Y and Zr;the carbon is one or more of amorphous carbon, graphite, graphene and reduced graphene oxide; andthe conductive organic matter is one or more of polyacetylene, polythiophene, polypyrrole, polyaniline, ...
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