Process of separation, particularly of a solid phase, from a matrix in liquid phase
AssigneeAgence Nationale de Valorisation de la Recherche (ANVAR)
InventorsJean Driole, Colette Allibert, Etienne Bonnier, Alain Wicker
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Abstract
Process of production of a separate phase, especially a solid phase of modified composition, from a matrix in liquid phase. Starting at a temperature at which the matrix is entirely molten, it is subjected to the action of an electromagnetic field, with such a frequency that the induced currents can be developed in the entire mass, and then the matrix is cooled, while maintaining the electromagnetic field, to a temperature range which causes the separation of a separate phase, especially a solid phase, and this phase is collected, under the effect of the electromagnetic field, in a certain zone of the matrix in the form of a compact mass.
Claims9
In a process of establishing separate phases in a mixture by cooling thereof from a relatively high temperature under which the mixture is maintained as a substantially homogenous melt, a method of accelerating said cooling to a lower temperature at which the separate phases coexist within a liquid matrix, comprising the steps of:
- generating an oscillating magnetic field;
- and applying said magnetic field to substantially the entire mass of the mixture during said cooling thereof until at least one of the separate phases is formed within a predetermined zone of the liquid matrix.
Dependencies are inferred from the claim text.