Instant magnetorheological fluid mix

The invention relates to mixtures of dry powders that form functional magnetorheological fluids when a carrier fluid is added to the mixtures. These magnetorheological fluids exhibit substantial increases in flow resistance when exposed to magnetic fields. Magnetorheological fluid concentrates are p...

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Bibliographic Details
Main Author Carlson, J. David
Format Patent
LanguageEnglish
Published 05.11.2002
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Summary:The invention relates to mixtures of dry powders that form functional magnetorheological fluids when a carrier fluid is added to the mixtures. These magnetorheological fluids exhibit substantial increases in flow resistance when exposed to magnetic fields. Magnetorheological fluid concentrates are provided which contain a substantially dry mixture of magnetic-responsive powder and a thixotropic agent. The concentrates may be mixed with an aqueous or an organic carrier fluid to form magnetorheological fluids.