Method of working materials and device for effecting same

Abstract

The proposed method of working materials comprises the action upon a material placed in a chamber by a plurality of magnetic elements of a magnetically hard material placed in the same chamber and moving chaotically under the action of an alternating magnetic field produced by an electric winding in the space where the chamber is found. The method of the present invention is characterized in that the magnetic elements are placed in the chamber to form a layer whose height is selected within the limits: ##EQU1## WHERE A IS THE AVERAGE SIZE OF THE MAGNETIC ELEMENTS, CM; h.sub.c is the height of the layer of the magnetic elements, cm; B.sub.r is the remanent induction of the magnetically hard material, gausses; .sub.I H.sub.c is the coercive magnetic force of the magnetically hard material, oersteds; .rho. is the density of the magnetically hard material, g/cm.sup.3 ; g is the acceleration of gravity, cm/sec.sup.2. The amplitude of the magnetic field intensity is selected within the following limits: ##EQU2## WHERE F IS THE FREQUENCY OF THE MAGNETIC FIELD, Hz; H.sub.o is the amplitude of the magnetic field intensity, oersteds. The proposed device for effecting the foregoing method is characterized in that it comprises at least one chamber whose height amounts to 1.1 to 1.5 of the height of the layer of magnetic elements, the number of said chambers being selected so that their total volume is equal to 0.8 to 1.0 of the working volume of the magnetic field.

Dependencies are inferred from the claim text.