Electrorheological Effect of Titania-Coated Kaolinite Nanocomposite Particles

Journal of Inorganic Materials

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Electrorheological Effect of Titania-Coated Kaolinite Nanocomposite Particles

WANG Bao-Xiang; ZUO Zhao-Yang; ZHAO Xiao-Peng

Institute of Electrorheological Technology; Northwestern Polytechnical University Xi an 710072; China

Received:2003-05-08 Revised:2003-06-09 Published:2004-05-20 Online:2004-05-20

Abstract

Abstract: Kaolinite/TiO₂ nanocomposite particles were prepared by sol-gel technique. The analysis of XRD,FT-IR and SEM shows that the surface of kaolinite is coated by nano-TiO₂ crystal. Furthermore the electrorheological effect is associated with the TiO₂ mass percent in the nanocomposite particle. When the content of TiO₂ in the composite is 34%, E=3kV/mm, and volume fraction is 25%, the yield stress of kaolinite/TiO₂ nanocomposite ERF is 3.4 kPa, which is 5 times of that of kaolinite.

Key words: kaolinite, TiO₂, electrorheological fluids, sol-gel

CLC Number:

TB383
O646

WANG Bao-Xiang,ZUO Zhao-Yang,ZHAO Xiao-Peng. Electrorheological Effect of Titania-Coated Kaolinite Nanocomposite Particles[J]. Journal of Inorganic Materials.

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Electrorheological Effect of Titania-Coated Kaolinite Nanocomposite Particles

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