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US 11,634,795 B2Granted
Aluminium alloys for structural and non-structural near net casting, and methods for producing same
AssigneeMcMaster University
InventorsSumanth Shankar, Xiaochun Zeng
Life of this patent
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Abstract
An aluminum alloy for near net shaped casting of structural components is disclosed. The alloy contains 2 to 10 wt. % Zn, 0.5 to 5 wt. % Mg, 0.5 to 5 wt. %) Fe, optionally Cu, Ti, Sr, Be, Zr, V, Cr, Sc, Na, Si, Mn, Mo, B, and Ni, with balance aluminum. The alloy may be subjected to heat treatment selected from the group consisting of solutionizing, incubation, aging, and two or more heat treatment steps.
Claims18
An aluminum alloy for High Pressure Die Casting (HPDC) to manufacture near-net shaped components, the aluminum alloy comprising:
- from 2 to 10 wt. % zinc (Zn);
- from 0.5 to 5 wt. % magnesium (Mg);
- from 0.5 to 2 wt. % iron (Fe);
- from 0.05 to 0.5 wt. % titanium (Ti);
- from 0 to 0.08 wt. % copper (Cu);
- from 0 to 0.02 wt. % manganese (Mn);
- and
- balance wt. % aluminum (Al), other elements and impurities,
- wherein the other elements are selected from strontium, beryllium, zirconium, vanadium, chromium, scandium, sodium, silicon, nickel, boron, and molybdenum, and
- wherein an ultimate tensile strength of the aluminum alloy is from 292 to 457 MPa.
7 more elements
Dependencies are inferred from the claim text.