C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
18/1122, 23/293
C01B 6/02 (2006.01) B22F 3/00 (2006.01) B22F 3/11 (2006.01) C01B 3/00 (2006.01)
Patent
CA 1193820
METHOD FOR PREPARING IMPROVED POROUS METAL-HYDRIDE COMPACTS AND APPARATUS THEREFOR ABSTRACT OF THE DISCLOSURE The present invention relates to a method and apparatus for preparing metal-embedded porous metallic-hydride (pmh) compacts capable of withstanding repeated hydriding - dehydriding cycles without disintegrating. According to the invention, the finely divided hydridable metal alloy hydride is admixed with a finely divided metal selected from Al, Ni, Cu or other transition metals and charged with hydrogen. The resulting mixture is sintered in a furnace in which hydrogen is introduced at a pressure above the equilibrium pressure to the prevailing temperature, mechanical stress being applied simultaneously. The compacts obtained possess outstanding stability r as shown by the fact that they have remained intact even after more than 6000 cycles.
434177
Sim & Mcburney
Technion Research & Development Foundation Ltd.
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