Aluminum-based metallic glass alloys

Details Aluminum-based metallic glass alloys Aluminum-based metallic glass alloys

1989-03-31

1990-10-23

Dean, Richard O.

Metal treatment

Stock

Amorphous, i.e., glassy

420528, 420550, 420551, 420552, C22C 2100

Patent

active

049649272

ABSTRACT:
Ductile, strong, and stable (crystallization temperature above 250.degree. C.) Al-X-Z metallic classes contain 90 at. % Al where X-Fe, Co, Ni, Rh; Z-rare earths, Hf, Y, Stable (crystallization temperatures reaching 500.degree. C.) Al-Y-Fe-Si glasses have superior hardness properties upon consolidation. The present alloys are at least twice as strong in tensile strength as the strongest commercial aluminum alloys.

REFERENCES:
Inoue et al., "New Amorphous Alloys with Good Ductility in Al--Ce--M (M=Nb, Fe, Co, Ni or Cu) Systems", Japanese Journal of Applied Physics, 27:L1796-L1799, (Japan, Oct. 1988).

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