Production of a solid material in parallelepipedal or cylindrical shape, laminated, sintered, cut-up and thermally treated

摘要

A solid material in the form of a parallelepiped or cylinder formed from at least two constituents that can be metals or solid chemical compounds is obtained by production of layers, sintering, cutting and thermal treatment. A material in the form of a parallelepiped or cylinder is formed from at least two pure constituents or at least two mixtures of different compositions that may or may not be formed from the same constituents and differ qualitatively or quantitatively. The constituents can be metals or solid chemical compounds in the form of a powder or a molten material that is ground after solidification. Production of the material involves: (a) introducing, in succession, the constituents into a mold of suitable dimensions and shape, and mechanically compacting the constituents in the mold to form, in succession, layers or superposed layers of identical or different height which, in turn, are compressed, to form a heterogeneous stratified material; (b) sintering the stratified material after removal from the mold in a heat and pressure treatment furnace; (c) cutting the sintered heterogeneous material into a parallelepipedal or cylindrical form; and (d) thermal treatment of the cut material to mix its constituents while forming a fiber. An Independent claim is given for a material produced by the above process and having a composition gradient.