MAGNETOFLUID WITH HIGH SATURATION MAGNETISATION

摘要

It has been the task of the invention to form a magnetofluid with a hig h saturation magnetisation which has a saturation concentration that lies above 100 mT in order to be able to transmit higher forces. According to the invention, this is attained by stably dispersing cobalt a nd nanometer particles modified with mono-molecular adsorption layers in carrier liquids, whereby the volume concentration of the ferromagnetic component comes to 5 to 35 per cent, preferably to 15 to 30 %, and the volume concentration of the modified particles (naked particles with adsorption shell) comes up to 50 per cent by volume.