aluminum alloy ingot
A technology for aluminum alloy ingots and impurities, applied in the field of aluminum alloy ingots, can solve the problems of aluminum alloys prone to cracks and corrosion, low aluminum alloy density and high strength, and achieves improved casting appearance, excellent corrosion resistance, and good high-temperature mechanical properties. Effect
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Embodiment 1
[0017] An aluminum alloy ingot, comprising the following components in weight percentage: Si: 7.2%, Cu: 1.2%, Mg: 0.1%, Fe: 0.2%, Zn: 1.2%, Ni: 0.2%, Sn: 0.1%, Sr : 1.2%, Ti: 2.1%, B: 2.1%, Sb: 1.2%, As: 0.3%, RE: 0.22%, LaCe: 0.4% and Pr: 0.3%, the balance is Al and unavoidable impurities, and Impurities ≤0.1%.
Embodiment 2
[0019] An aluminum alloy ingot, comprising the following components in weight percentage: Si: 11.4%, Cu: 1.5%, Mg: 0.3%, Fe: 0.4%, Zn: 1.4%, Ni: 0.4%, Sn: 0.3%, Sr : 2.4%, Ti: 2.4%, B: 2.4%, Sb: 1.4%, As: 0.5%, RE: 0.44%, LaCe: 1.4% and Pr: 0.5%, the balance is Al and unavoidable impurities, and Impurities ≤0.1%.
Embodiment 3
[0021] An aluminum alloy ingot, comprising the following components in weight percentage: Si: 9.3%, Cu: 1.4%, Mg: 0.2%, Fe: 0.3%, Zn: 1.3%, Ni: 0.3%, Sn: 0.2%, Sr : 1.8%, Ti: 2.3%, B: 2.3%, Sb: 1.3%, As: 0.4%, RE: 0.33%, LaCe: 0.9% and Pr: 0.4%, the balance is Al and unavoidable impurities, and Impurities ≤0.1%.
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