Study of a electrorheological fluid: TiO2 coating graphite/silicone oil

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作者：
Xu, Su-Juan
Men, Shou-Qiang
Wang, Biao
Lu, Kun-Quan
机构：
[1] Institute of Composite Materials, Harbin Institute of Technology, Harbin 150001, China
[2] Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China
来源：
| 2000年 / Science Press卷 / 49期
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摘要：
Theoretical calculation shows that electrorheological fluids with dielectric coating conductive particles as a dispersed phase will give high shear stress. We has coated graphite particles with TiO2 using sol-gel technique. Rutile phase TiO2 coating graphite composite particles have been got. The shear stress of composite particles/silicone oil electrorheological fluid is one order higher than that of the TiO2/silicone oil. When the electric field strength is 1.7 kV/mm, the shear stress of composite particles/silicone oil electrorheological fluid reaches 1.25 kPa, and electric current density is less than 10 μA/cm2.
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