Magnesium mechanical alloys for thermal hydrogen storage

Details Magnesium mechanical alloys for thermal hydrogen storage Magnesium mechanical alloys for thermal hydrogen storage

1996-10-15

1999-06-29

Wyszomierski, George

Metal treatment

Stock

Amorphous, i.e., glassy

148420, 420402, 420900, C22C 2400

Patent

active

059163810

ABSTRACT:
Mechanically alloyed hydrogen storage materials having a major atomic percentage of magnesium and a minor atomic percentage of at least two elements selected from the group consisting of nickel, molybdenum, iron and titanium. Preferably the mechanical alloy comprises a multi-phase material, including at least one amorphous phase. Also, the at least two elements are preferably either nickel (from about 5 to 15 at. %) and molybdenum (from about 0.5 to 5 at. %) or iron (from about 5 to 15 at. %) and titanium (from about 5 to 15 at. %). The hydrogen storage materials are created by mechanical alloying in a milling apparatus under an inert atmosphere, such as argon, or a mixed atmosphere, such as argon and hydrogen. The speed and length of the milling are varied.

REFERENCES:
patent: 4431561 (1984-02-01), Ovshinsky et al.
patent: 4728580 (1988-03-01), Grasselli et al.
patent: 4902579 (1990-02-01), Grasselli et al.

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