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

1995-10-03

1997-09-02

Wyszomierski, George

Specialized metallurgical processes, compositions for use therei

Compositions

Loose particulate mixture containing metal particles

75231, 420455, 420900, C22C 1903

Patent

active

056627297

ABSTRACT:
A shaped body of hydrogen absorbing alloy prepared by pressing a mixture of a hydrogen absorbing alloy powder A having a first particle-size distribution, a hydrogen absorbing alloy powder B having a second particle-size distribution and a binder C. The powder A is larger than the powder B in mean particle size. The mixture has a mean particle size ratio r.sub.B /r.sub.A of the powder B to the powder A, wherein r.sub.A and r.sub.B are the mean particle sizes of the respective powders A and B of at least 0.03 to not greater than 0.50. The hydrogen absorbing alloy of the powder B has a higher rate of progress of pulverization resulting from absorption and desorption of hydrogen than the hydrogen absorbing alloy of the powder A.

REFERENCES:
patent: 3918933 (1975-11-01), Martin
patent: 4368143 (1983-01-01), de Pous

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