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Super-strength aluminum alloy section

An aluminum alloy profile, ultra-high-strength technology, applied in the field of building materials, can solve the problems of not particularly high strength, unstable product quality, complex production process, etc., to reduce quenching sensitivity, improve stress corrosion resistance, and improve corrosion resistance. and fatigue performance

Active Publication Date: 2017-05-17
ANHUI LANT ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, under the existing technology, many aluminum profiles have complex manufacturing processes, low yields, and unstable product quality.
At present, the strength of aluminum alloy profiles in my country is not particularly high, and it is easy to twist or deform after long-term use. This shortcoming limits the application of aluminum alloy profiles in some markets that require high strength.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An ultra-high-strength aluminum alloy profile, the mass percentage of each element in the aluminum alloy profile is: 6% zinc, 0.1% copper, 1% magnesium, 0.5% silicon, 0.3% manganese, 0.03% scandium, 0.02% zirconium, 0.02% erbium, 0.03% lanthanum, 0.01% yttrium, 0.01% cerium, 0.03% titanium, 0.08% boron, and the balance is aluminum.

[0028] The preparation method of the ultra-high-strength aluminum alloy profile is:

[0029] (1) batching each element according to the mass percentage of each element composition in the aluminum alloy profile; putting the remaining aluminum into a melting furnace for melting at 750° C., stirring for 20 minutes after melting, detecting and adjusting the alloy composition;

[0030] (2) filtering the alloy mixed melt obtained in step (1), filtering out unmelted impurities mixed in the alloy mixed melt, and obtaining a relatively pure alloy mixed melt;

[0031] (3) Metal-type water-cooled semi-continuous casting technology is adopted. The mol...

Embodiment 2

[0043] An ultra-high-strength aluminum alloy profile, the mass percentage of each element in the aluminum alloy profile is: 10% zinc, 3% copper, 3% magnesium, 1% silicon, 0.6% manganese, 0.05% scandium, 0.04% zirconium, 0.04% erbium, 0.05% lanthanum, 0.03% yttrium, 0.03% cerium, 0.06% titanium, 0.1% boron, and the balance is aluminum.

[0044] The preparation method of the ultra-high-strength aluminum alloy profile is:

[0045](1) batching each element according to the mass percentage of each element composition in the aluminum alloy profile; putting the remaining aluminum into a melting furnace for melting at 780° C., stirring for 30 minutes after melting, detecting and adjusting the alloy composition;

[0046] (2) filtering the alloy mixed melt obtained in step (1), filtering out unmelted impurities mixed in the alloy mixed melt, and obtaining a relatively pure alloy mixed melt;

[0047] (3) Metal mold water-cooled semi-continuous casting technology is adopted. The temperat...

Embodiment 3

[0059] An ultra-high-strength aluminum alloy profile, the mass percentage of each element in the aluminum alloy profile is: 8% zinc, 1.5% copper, 1.5% magnesium, 0.7% silicon, 0.45% manganese, 0.04% scandium, 0.03% zirconium, 0.03% erbium, 0.04% lanthanum, 0.02% yttrium, 0.02% cerium, 0.05% titanium, 0.09% boron, and the balance is aluminum.

[0060] The preparation method of the ultra-high-strength aluminum alloy profile is:

[0061] (1) Dosing ingredients according to the mass percentage of each element composition in the aluminum alloy profile; put the remaining aluminum into a melting furnace for melting at 770° C., stir for 25 minutes after melting, detect and adjust the alloy composition;

[0062] (2) filtering the alloy mixed melt obtained in step (1), filtering out unmelted impurities mixed in the alloy mixed melt, and obtaining a relatively pure alloy mixed melt;

[0063] (3) Metal-type water-cooled semi-continuous casting technology is adopted. The molten aluminum t...

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Abstract

The invention discloses a super-strength aluminum alloy section. The super-strength aluminum alloy section comprises, by mass, 6%-10% of zinc, 0.1%-3% of copper, 1%-3% of magnesium, 0.5%-1% of silicon, 0.3%-0.6% of manganese, 0.03%-0.05% of scandium, 0.02%-0.04% of zirconium, 0.02%-0.04% of erbium, 0.03%-0.05% of lanthanum, 0.01%-0.03% of yttrium, 0.01%-0.03% of cerium, 0.03%-0.06% of titanium, 0.08%-0.1% of boron and the balance aluminum. By means of the super-strength aluminum alloy section, the comprehensive mechanical property of the aluminum alloy section is improved while it is guaranteed that an aluminum alloy has the super strength.

Description

technical field [0001] The invention relates to an aluminum alloy profile, in particular to an ultra-high-strength aluminum alloy profile, which belongs to the technical field of building materials. Background technique [0002] With the rapid advancement of my country's large-scale infrastructure investment and industrialization process, the output and consumption of the entire aluminum profile industry have grown rapidly, and my country has also become the world's largest aluminum profile production base and consumer market. After nearly 10 years With the rapid growth in 2009, my country's aluminum profile industry has entered a new stage of development, and has shown many new development trends. In 2012, the domestic market demand for industrial aluminum profiles will exceed 4 million tons. In the future, the application space of aluminum profiles in the industrial field will be huge. Among the 124 existing industrial sectors in my country, 113 sectors use aluminum produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C1/02
CPCC22C1/026C22C21/10
Inventor 雷忠平
Owner ANHUI LANT ALUMINUM
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