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Squeeze flow viscoelasticity of electrorheological fluids based on microcrystalline cellulose

Liu, L. W., Wang, Z., Zhou, L. W., Wang, Z. J., Gao, G. J. and Liu, X. J. (2000) Squeeze flow viscoelasticity of electrorheological fluids based on microcrystalline cellulose. Acta Physica Sinica, 49 (9). pp. 1887-1891. ISSN 1000-3290

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To link to this item DOI: 10.7498/aps.49.1886

Abstract/Summary

Dynamic viscoelasticity of electrorheological fluids based on microcrystalline cellulose/castor oil suspensions was experimentally investigated in squeeze flow. The dependence of storage modulus G' and loss modulus G" parallel to external electric field on electric fields and strain amplitudes is presented. The experiments show that, when external electric field is higher than the critical field, the viscoelasticity of the ER fluids converts from linear to nonlinear, and the ER fluids transfer from solid-like state to fluid state with the growth of strain amplitude. The influences of strain amplitude and oscillatory frequency on the nonlinearity of viscoelasticity were also studied.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Science > School of Mathematical, Physical and Computational Sciences > Department of Mathematics and Statistics
ID Code:38025
Publisher:Chinese Physical Soc

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