Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components
Patent
1995-12-27
1998-02-03
Skane, Christine
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
Organic components
252 6252, 252 6254, 252 77, 252 781, 252572, C10M17100, C10M16904, H01F 144
Patent
active
057140847
ABSTRACT:
An electrorheological magnetic fluid including an electrically insulating liquid and fine particles dispersed therein is described, wherein the fine particles include a fine magnetic particle as a core, wherein the fine magnetic particle has a surface which is covered by an electroconductive substance, and the fine magnetic particle with its surface covered by the electroconductive substance is completely coated with a surfactant. A process for producing the electrorheological magnetic fluid is also described.
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patent: 5075021 (1991-12-01), Carlson et al.
patent: 5135672 (1992-08-01), Yabe et al.
patent: 5240626 (1993-08-01), Thakur et al.
patent: 5271858 (1993-12-01), Clough et al.
patent: 5505880 (1996-04-01), Kormann et al.
Journal of Magnetism and Magnetic Materials, vol. 122, pp. 29-33 (North-Holland 1993), "Viscosity of electrorheological magneto-dielectric fluid under electric and magnetic fields".
Fujita Toyohisa
Yoshino Kenji
Hitachi Powdered Metals Co. Ltd.
Nittetsu Mining Co., Ltd.
Skane Christine
Toyohisa Fujita
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