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Al-Si series aluminum alloy ingot and preparation method thereof

A technology for aluminum alloy ingots and aluminum alloys, applied in the field of iron and steel smelting, can solve the problems of low mechanical properties of aluminum alloys, multi-material bauxite, unfavorable environmental protection, etc. The effect of nucleation

Pending Publication Date: 2022-06-28
佛山市南海创利有色金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the mechanical properties of the existing Al-Si series aluminum alloys are not high, and more raw material aluminum ore needs to be consumed in the process of processing and preparation, which is not conducive to environmental protection

Method used

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  • Al-Si series aluminum alloy ingot and preparation method thereof

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Effect test

Embodiment 1

[0022] The Al-Si series aluminum alloy ingot is composed of silicon, copper, manganese, magnesium, titanium, strontium, zirconium and aluminum, and the components are: silicon 8.0%, copper 1.3%, manganese 0.10%, magnesium 0.4%, titanium 0.10%, strontium 0.02%, zirconium 0.35%, and the balance is aluminum.

[0023] A preparation method of an Al-Si series aluminum alloy ingot, comprising the following steps:

[0024] 1) The waste aluminum is subjected to pretreatment: classification, slicing, magnetic separation, cleaning and drying, and is used as a raw material for standby;

[0025] 2) heating the obtained waste aluminum raw material in step 1) to a molten state in a double-chamber reverberatory furnace, then transferring to an electrolytic cell for electrolysis to obtain elemental aluminum liquid, and then injecting elemental aluminum liquid into the aluminum alloy melting furnace;

[0026] 3) Add silicon, copper, manganese, magnesium, titanium, strontium and zirconium into ...

Embodiment 2

[0033] The Al-Si series aluminum alloy ingot is composed of silicon, copper, manganese, magnesium, titanium, strontium, zirconium and aluminum, and the components are: silicon 9.0%, copper 1.6%, manganese 0.23%, magnesium 0.5%, titanium 0.23%, strontium 0.04%, zirconium 0.42%, and the balance is aluminum.

[0034] A preparation method of an Al-Si series aluminum alloy ingot, comprising the following steps:

[0035] 1) The waste aluminum is subjected to pretreatment: classification, slicing, magnetic separation, cleaning and drying, and is used as a raw material for standby;

[0036] 2) heating the obtained waste aluminum raw material in step 1) to a molten state in a double-chamber reverberatory furnace, then transferring to an electrolytic cell for electrolysis to obtain elemental aluminum liquid, and then injecting elemental aluminum liquid into the aluminum alloy melting furnace;

[0037] 3) Add silicon, copper, manganese, magnesium, titanium, strontium and zirconium into ...

Embodiment 3

[0044] The Al-Si series aluminum alloy ingot is composed of silicon, copper, manganese, magnesium, titanium, strontium, zirconium and aluminum, and the components are: silicon 10.0%, copper 1.8%, manganese 0.35%, magnesium 0.6%, titanium 0.35%, strontium 0.05%, zirconium 0.46%, and the balance is aluminum.

[0045] A preparation method of an Al-Si series aluminum alloy ingot, comprising the following steps:

[0046] 1) The waste aluminum is subjected to pretreatment: classification, slicing, magnetic separation, cleaning and drying, and is used as a raw material for standby;

[0047] 2) heating the obtained waste aluminum raw material in step 1) to a molten state in a double-chamber reverberatory furnace, then transferring to an electrolytic cell for electrolysis to obtain elemental aluminum liquid, and then injecting elemental aluminum liquid into the aluminum alloy melting furnace;

[0048] 3) Add silicon, copper, manganese, magnesium, titanium, strontium and zirconium into t...

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Abstract

The invention belongs to the technical field of aluminum alloy materials, and particularly relates to an Al-Si series aluminum alloy ingot which is composed of silicon, copper, manganese, magnesium, titanium, strontium, zirconium and aluminum, and the Al-Si series aluminum alloy ingot is prepared from, by mass, 8.0%-10.0% of silicon, 1.3%-1.8% of copper, 0.10%-0.35% of manganese, 0.4%-0.6% of magnesium, 0.10%-0.35% of titanium, 0.02%-0.06% of strontium, 0.35%-0.50% of zirconium and the balance aluminum. The mechanical property of the aluminum alloy ingot is remarkably improved, and the aluminum alloy ingot is prepared by recycling waste aluminum and is beneficial to environmental protection.

Description

technical field [0001] The invention relates to the technical field of iron and steel smelting, in particular to an Al-Si series aluminum alloy ingot and a preparation method thereof. Background technique [0002] Aluminum alloy is an alloy based on aluminum with a certain amount of other alloying elements added, and it is one of the light metal materials. In addition to the general characteristics of aluminum, aluminum alloys also have some specific characteristics of alloys due to the different types and quantities of alloying elements added. The density of aluminum alloy is 2.63~2.85g / cm3, with high strength (σb is 110~650MPa), the specific strength is close to that of high alloy steel, the specific stiffness exceeds that of steel, and it has good casting properties and plastic workability, and good electrical conductivity. , thermal conductivity, good corrosion resistance and weldability, can be used as a structural material, and has a wide range of applications in aero...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/02C22F1/043
CPCC22C21/02C22C1/026C22F1/043
Inventor 孔德飞梁伟豪
Owner 佛山市南海创利有色金属制品有限公司
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