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High zinc-aluminum alloy cast rod and smelting and casting methods thereof

An aluminum alloy and rod casting technology, which is applied in the smelting method and casting field of high-zinc aluminum alloy casting rods, can solve problems such as grain coarsening and unstable mechanical properties of finished products, and achieve improved material performance, fewer defects, and reduced waste water the effect of

Inactive Publication Date: 2018-12-21
赣州铝业股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the process of smelting and casting Al-Zn-Mg-Cu aluminum alloy, if the method is improperly selected, many unnecessary defects will be caused in the cast rod, mainly reflected in the unstable mechanical properties of the finished product, coarse grains, etc. Therefore, it is very necessary to invent a suitable casting method to reduce the defects of cast rods for the smelting field of Al-Zn-Mg-Cu aluminum alloys

Method used

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Embodiment Construction

[0026] Embodiments of the present invention will be described in detail below.

[0027] A high-zinc aluminum alloy cast rod in this embodiment includes the following components in mass percentage: Zn: 10.95-11.55%, Mg: 2.1-2.3%, Mn: 0.5-0.7%, Cu: 1.5-2.5%, Ti: 0.014 to 0.016%, B: 0.014 to 0.016%, Be: 0.003 to 0.004%, Zr: 0.07 to 0.09%, and the balance is Al.

[0028] The following is a ratio of the applicant in the production process: Zn: 11%, Mg: 2.2%, Mn: 0.6%, Cu: 2%, Ti: 0.015%, B: 0.015%, Be: 0.004%, Zr: 0.08%, the balance is Al.

[0029] In the process of casting aluminum alloy casting rods, the smelting of aluminum alloy is an extremely important step. In this embodiment, the melting method of high-zinc aluminum alloy casting rods includes the following steps:

[0030] A. Ingredients: Calculate the amount of aluminum alloy raw materials and prepare raw materials according to the ratio;

[0031] B. Heating the aluminum material: put the aluminum material into the melt...

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Abstract

The invention discloses a high zinc-aluminum alloy cast rod. The high zinc-aluminum alloy cast rod comprises, by mass percent, 10.95%-11.55% of Zn, 2.1%-2.3% of Mg, 0.5%-0.7% of Mn, 1.5%-2.5% of Cu, 0.014%-0.016% of Ti, 0.014%-0.016% of B, 0.003%-0.004% of Be, 0.07%-0.09% of Zr and the balance Al. The aluminum alloy cast rod has few defects, the material performance is improved, and the requirements for the mechanical performance and corrosion resistance of an aluminum alloy in the aviation field and the ship field are met. The invention further discloses a smelting method of the high zinc-aluminum alloy cast rod. The uniformity degree of various components in the aluminum alloy can be improved, the stability and compactness of the produced aluminum rod can be improved, and redundant impurities can be removed; and in the smelting process, zircon salt is added, and corrosion resistance of the surface of a finished product can be improved. The invention further discloses a casting methodof the high zinc-aluminum alloy cast rod. The casting efficiency can be improved, energy consumption can be reduced, and generated waste water can be reduced.

Description

【Technical field】 [0001] The invention relates to a high-zinc aluminum alloy cast rod, and also relates to a melting method and a casting method for the high-zinc aluminum alloy cast rod. 【Background technique】 [0002] Al-Zn-Mg-Cu series aluminum alloy is a high-strength deformable superhard aluminum alloy that can be strengthened by heat treatment. and other fields. [0003] However, in the process of smelting and casting Al-Zn-Mg-Cu aluminum alloy, if the method is not selected properly, many unnecessary defects will be caused in the cast rod, mainly reflected in the unstable mechanical properties of the finished product, coarse grains, etc. Therefore, it is very necessary to invent a suitable casting method to reduce the defects of cast rods for the smelting field of Al-Zn-Mg-Cu aluminum alloys. 【Content of invention】 [0004] In order to solve the above technical problems, a high-zinc aluminum alloy cast rod of the present invention is characterized in that it compr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C1/03C22C1/06B22D11/00
CPCB22D11/003C22C1/026C22C1/03C22C1/06C22C21/10
Inventor 张志刚
Owner 赣州铝业股份有限公司
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