Aluminum alloys containing scandium with zirconium additions
AssigneeAshurst Technology Corporation (Ireland Limited)
InventorsWilliam T. Tack, Inge L. H. Hansson
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Abstract
Applications for aluminum alloys containing scandium with or without zirconium additions. Such modified aluminum alloys possess enhanced properties and exhibit improved processing characteristics, and, as such, are especially suited for use in recreational and athletic structures and components, and in certain aerospace, ground transportation and marine structures and components.
Claims29
Recreational products comprising aluminum alloys, said aluminum alloys comprising:
- from about 0.2 to about 1.8 weight percent silicon;
- from about 0.2 to about 0.8 weight percent manganese;
- from about 0.4 to about 1.4 weight percent magnesium;
- from about 0.02 to about 10.0 weight percent scandium;
- from about 0.10 to about 1.0 weight percent zirconium;
- and
- from about 60 to about 99 weight percent aluminum, wherein any presence of chromium in said alloy is as an unavoidable impurity.
Recreational products comprising aluminum alloys, said aluminum alloys comprising:
- from about 4.0 to about 9.0 weight percent zinc;
- from about 0.6 to about 3.8 weight percent magnesium;
- from about 0.1 to about 3.0 weight percent copper;
- from about 0.2 to about 10.0 weight percent scandium;
- from about 0.10 to about 1.0 weight percent zirconium;
- and
- from about 60 to about 96 weight percent aluminum, wherein any presence of chromium in said alloy is as an unavoidable impurity.
Ground transportation structures comprising aluminum alloys, said aluminum alloys comprising:
- from about 0.2 to about 1.8 weight percent silicon;
- from about 0.2 to about 0.8 weight percent manganese;
- from about 0.4 to about 1.4 weight percent magnesium;
- from about 0.02 to about 10.0 weight percent scandium;
- from about 0.10 to about 1.0 weight percent zirconium;
- and
- from about 60 to about 99 weight percent aluminum, wherein any presence of chromium in said alloy is as an unavoidable impurity.
Aerospace structures comprising aluminum alloys, said aluminum alloys comprising:
- from about 4.0 to about 9.0 weight percent zinc;
- from about 0.6 to about 3.8 weight percent magnesium;
- from about 0.1 to about 3.0 weight percent copper;
- from about 0.2 to about 10.0 weight percent scandium;
- from about 0.10 to about 1.0 weight percent zirconium;
- and
- from about 60 to about 96 weight percent aluminum, wherein any presence of chromium in said alloy is as an unavoidable impurity.
Ground transportation structures comprising aluminum alloys, said aluminum alloys comprising:
- from about 4.0 to about 9.0 weight percent zinc;
- from about 0.6 to about 3.8 weight percent magnesium;
- from about 0.1 to about 3.0 weight percent copper;
- from about 0.02 to about 10.0 weight percent scandium;
- from about 0.01 to about 1.0 weight percent zirconium;
- and
- from about 60 to about 96 weight percent aluminum, wherein any presence of chromium in said alloy is as an unavoidable impurity.
Marine structures comprising aluminum alloys, said aluminum alloys comprising:
- from about 4.0 to about 9.0 weight percent zinc;
- from about 0.6 to about 3.8 weight percent magnesium;
- from about 0.1 to about 3.0 weight percent copper;
- from about 0.02 to about 10.0 weight percent scandium;
- from about 0.01 to about 1.0 weight percent zirconium;
- and
- from about 60 to about 96 weight percent aluminum, wherein any presence of chromium in said alloy is as an unavoidable impurity.
Dependencies are inferred from the claim text.