Zirconium-containing amorphous metal alloys

Details Zirconium-containing amorphous metal alloys Zirconium-containing amorphous metal alloys

C - Chemistry, Metallurgy

22

C

75/1.1

C22C 14/00 (2006.01) C22C 16/00 (2006.01) C22C 25/00 (2006.01) C22C 45/10 (2006.01)

Patent

CA 1064735

INVENTION: ZIRCONIUM-CONTAINING AMORPHOUS METAL A1LOYS INVENTOR: LEE E. TANNER RANJAN RAY CARL F. CLINE ABSTRACT OF THE INVENTION Amorphous metal alloys are prepared from compositions in the beryllium-titanium-zirconium system. The compositions, in the form of long, continuous ribbon, are defined withln an area on a ternary diagram having as its coordinates in atom percent beryllium, atom percent titanium, and atom percent zir- conium, the area being defined by a polygon having at its corners the ten points defined by (a) 40% Be, 58% Ti, 2% Zr (b) 35% Be, 57% Ti, 8% Zr (c) 30% Be, 55% Ti, 15% Zr (d) 30% Be, 20% Ti, 50% Zr (e) 35% Be, 0% Ti, 65% Zr (f) 45% Be, 0% Ti, 55% zr (g) 55% Be, 15% Ti, 30% Zr (h) 55% Be, 20% Ti, 25% Zr (i) 50% Be, 35% Ti, 15% Zr (j) 43% Be, 53% Ti, 4% Zr. These alloys evidence high strength, low density, a specific strength of at least about 33 x 105 cm and good ductility. The alloys are useful in applications requiring a high strength-to- weight ratio.

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