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US 2026/0185191 A1Published application
Stress Corrosion Cracking Resistant, High Strength, Weldable Aluminum Alloy
AssigneeATI, Inc.
InventorAlex Cho
Life of this patent
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Abstract
A new 7xxx aluminum alloy provides a unique combination of quantifiable physical characteristics. The alloy may be generally described as a corrosion resistant aluminum-zinc-magnesium-titanium-boron-cerium based alloy that is copper free or only includes slight amounts of copper as an impurity.
Claims28
1-22. (canceled)
A 7xxx aluminum alloy, comprising:
- 5.0-7.5 wt. % zinc;
- 1.5-2.6 wt. % magnesium;
- 0.01-1.0 wt. % manganese;
- 0.01-0.3 wt. % of a material selected from a group consisting of a rare earth element, cerium, misch metal, lanthanum, neodymium, samarium or combinations thereof;
- 0.01-0.25 wt. % titanium and 0.01-0.11 wt. % of boron as a form of titanium diboride;
- up to 0.3 wt. % zirconium;
- up to 1 wt. % impurities;
- and
- remainder as aluminum.
6 more elements
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49-53. (canceled)
Dependencies are inferred from the claim text.