High-strength aluminum alloy

Details High-strength aluminum alloy High-strength aluminum alloy

1994-04-28

1995-10-17

Simmons, David A.

Metal treatment

Stock

Amorphous, i.e., glassy

148437, 420528, 420550, 420551, 420552, 420553, C22C 2100

Patent

active

054587000

ABSTRACT:
A high-strength aluminum alloy consisting of an amorphous phase containing quasicrystals constituted of aluminum as the principal element, a first additive element consisting of at least one rare earth element and a second additive element consisting of at least one element other than aluminum and rare earth elements, and a crystalline phase consisting of the principal element and the first additive element and the second additive element contained in a supersaturated solid solution form, the amorphous phase containing quasicrystals being contained in a volume percentage of 60 to 90%. The contents of the additive elements preferably fall within a hatched range in the figure, still preferably within a range covered with dot-dash lines in the figure.

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