Hydrogen storage materials of Zr-Ti-Cr-Fe

Details Hydrogen storage materials of Zr-Ti-Cr-Fe Hydrogen storage materials of Zr-Ti-Cr-Fe

1990-03-20

1991-07-02

Roy, Upendra

Alloys or metallic compositions

Zirconium or hafnium base

420900, 423644, C22C 3000, C10B 600

Patent

active

050283898

ABSTRACT:
Quarternary alloys of the formula: Zr.sub.1-x Ti.sub.x Cr.sub.1-y Fe.sub.1+y are provided, which are characterized as having C14 hexagonal Laves phase wherein "x" has a value between 0.05 and 0.1 and "y" has a value of 0 to 0.4. These alloys, have P-C-T relations with low hysteresis and flat plateaux, are suitable for various applications such as hydrogen storage and hydride heat pump system.

REFERENCES:
patent: 4412982 (1983-11-01), Wallace et al.
patent: 4556551 (1985-12-01), Wallace et al.
patent: 4656023 (1987-04-01), Wallace et al.

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