Method for preparing improved porous metal-hydride compacts

Details Method for preparing improved porous metal-hydride compacts Method for preparing improved porous metal-hydride compacts

1983-07-29

1985-03-26

Sebastian, Leland A.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Heat and pressure simultaneously to effect sintering

1481261, 264 82, 264122, 419 49, 423644, F16N 1508

Patent

active

045072639

ABSTRACT:
The present invention relates to a method and apparatus for preparing metal-embedded porous metallic-hydride (pmh) compacts capable of withstanding repeated hydriding-dehydring 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, as shown by the fact that they have remained intact even after more than 6000 cycles.

REFERENCES:
patent: 3943210 (1976-03-01), Vetrano
patent: 4292265 (1981-09-01), Ron et al.

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