Aluminum alloy cast rod with scandium and manganese elements and smelting and casting method of aluminum alloy cast rod
A technology of aluminum alloy and elements, which is applied in the smelting method and casting field of aluminum alloy cast rods, can solve the problems of unstable mechanical properties of finished products, coarse grains, etc., achieve less defects, refine grains, and improve casting efficiency Effect
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[0028] Embodiments of the present invention will be described in detail below.
[0029] An aluminum alloy cast rod with scandium and manganese elements added in this embodiment includes the following components in mass percentage: Zn: 10.95-11.55%, Mg: 2.1-2.3%, Mn: 0.45-0.55%, Sc: 0.1 -0.2%, Cu: 1.5-2.5%, Ti: 0.014-0.016%, B: 0.014-0.016%, Be: 0.003-0.004%, Zr: 0.07-0.09%, and the balance is Al.
[0030] The following is a ratio of the applicant in the production process: Zn: 11%, Mg: 2.2%, Mn: 0.5%, Sc: 0.15%, Cu: 2%, Ti: 0.015%, B: 0.015%, Be: 0.004%, Zr: 0.08%, and the balance is Al.
[0031] In the process of casting aluminum alloy cast rods, the smelting of aluminum alloy is an extremely important step. In this embodiment, the method for smelting aluminum alloy cast rods with scandium and manganese elements includes the following steps:
[0032] A. Ingredients: Calculate the amount of aluminum alloy raw materials and prepare raw materials according to the ratio;
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