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Compositionally graded amorphous metal alloys and process for the synthesis of same

  • US 4,859,413 A
  • Filed: 12/04/1987
  • Issued: 08/22/1989
  • Est. Priority Date: 12/04/1987
  • Status: Expired due to Fees
First Claim
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1. A process for the synthesis of a compositionally graded substantially amorphous metal alloy of the formula


  • space="preserve" listing-type="equation">AMM'"'"'
wherein M is at least one metal selected from the group consisting of Ni, Co, Fe, Cu, Mn, Pd, Ru, Si, Cr, Mo, W, Al, Sn, Zn, Cd and Ga;

M'"'"' is at least one metal selected from the group consisting of Ti, Zr, V, Nb, Ca, Mg, Y, Hf, Ta and the rare earths; and

A is at least one metal selected from the group consisting of Pd, Pt, Ir and Rh;

said process comprising;

(a) combining an M and M'"'"'-containing bulk hydrogen storage material with an A-containing material to obtain a mixture thereof;

(b) sealing said mixture in a mechanical milling device under an inert atmostphere; and

(c) milling said mixture.

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