ALUMINUM-BASE ALLOY Russian patent published in 2004 - IPC

FIELD: metallurgy, alloys.

SUBSTANCE: invention can be used in casting manufacturing for preparing ingots with enhanced thermal stability, for example, for ingots for internal-combustion engine pistons. Invention proposes aluminum-base alloy comprising the following components, weight %: zirconium, 0.01-0.2; silicon, 10-25; iron, 0.5-1.0; manganese, 0.01-0.2; copper, 0.2-0.8; magnesium, 0.01-0.1; tungsten, 0.003-0.03; aluminum, the balance. Invention provides preparing heat-resistant alloy with high strength indices at high temperature and showing low indices of linear expansion at 20-300 C also.

EFFECT: improved and enhanced properties of alloy.

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