Shaped body of hydrogen absorbing alloy and container packed wit

Details Shaped body of hydrogen absorbing alloy and container packed wit Shaped body of hydrogen absorbing alloy and container packed wit

1997-03-21

1999-06-01

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

420455, 420460, 420900, B22F 900

Patent

active

059084871

ABSTRACT:
A hydrogen absorbing alloy-packed container packed with a mixture of powders classified respectively into at least two particle-size distribution groups, each of which is different in mean particle size, the powders comprising a hydrogen absorbing alloy singly or the combination of a hydrogen absorbing alloy and a substance not absorbing hydrogen, the mixture having a ratio r.sub.N+1 /r.sub.N, wherein r.sub.N is the mean particle size of the powder having a particle-size distribution of the Nth largest mean particle size, N being an integer of not smaller than 1, and r.sub.N+1 is the mean particle size of the powder having a particle-size distribution of the (N+1)th largest mean particle size, of at least 0.03 to not greater than 0.50. The alloy powders can be selected from the group consisting of lanthanum-nickel, mischmetal-nickel, iron titanium and titanium manganese.

REFERENCES:
patent: 3918933 (1975-11-01), Martin
patent: 4368143 (1983-01-01), de Pous
patent: 5616435 (1997-04-01), Matsuura et al.

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