Patent ID: 11898232
Assignee: UNITED COMPANY RUSAL ENGINEERING AND TECHNOLOGY CENTRE LLC
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A high-strength aluminum-based alloy consisting of aluminum, zinc, magnesium, nickel, iron, copper, zirconium, and one or more metal or metals selected from a group consisting of titanium, scandium, and chromium with the following ratios, expressed in terms of wt. %:, Zinc
3.8-4.5

Magnesium
1.2-1.5

Nickel
0.5-0.7

Iron
0.3-0.45

Copper
0.01-0.25

Zirconium
0.11-0.2 

Titanium
up to 0.02

Scandium
up to 0.10

Chromium
up to 0.10

Aluminum
the rest,

wherein iron and nickel create aluminides of an Al9FeNi eutectic phase wherein the volume fraction is in the range 2.0-2.4 vol. %, wherein iron and nickel create eutectic aluminides having a particle size no more than 2 μm, wherein the Ni/Fe ratio of the alloy is ≥1, wherein zirconium and titanium are substantially in the form of secondary phases having a particle size of no more than 20 nm and having a L12 crystal lattice.