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	Physical effects MAGNETIC LIQUIDS

Positioning of objects Sealing, hermetic seals Viscosity change of base liquid Control of liquid flows for the surface treatment, cooling, convection etc. Magnetically active lubricants Hydromechanic magnetic bearing Temporary fixation and orientation of parts Separation of substances with different densities Indicating and locating of objects which are difficult to detect Optical blocking devices for the interruption of light Damper with controlled characteristic Oscillation damper for energy transformation

HINT:

Magnetic liquids (ferrofluids) are colloidal solutions of extremely small ferromagnetic particles (iron, ferrite, cobalt, nickel etc.) in base liquids (water, oils, kerosene, synthetic liquids).