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High-elongation deformation rare earth aluminum alloy and manufacturing method

A technology of deforming aluminum alloy and high elongation, which is applied in the field of aluminum alloy, can solve the problems of increasing alloy cost, limiting alloy application, increasing alloy density, etc., and achieves the effects of reducing grain size, good mechanical properties, and improving tensile strength

Pending Publication Date: 2022-05-24
SHANDONG NANSHAN ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, adding a high content of rare earth elements increases the cost of the alloy
And the addition of rare earth elements increases the density of the alloy, which limits the application of the alloy

Method used

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  • High-elongation deformation rare earth aluminum alloy and manufacturing method
  • High-elongation deformation rare earth aluminum alloy and manufacturing method
  • High-elongation deformation rare earth aluminum alloy and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A room-temperature high-plastic aluminum alloy containing rare earth yttrium, which is composed of the following components in terms of mass percentage: 6.5% Zn; 3% Mg; 2% Cu; 0.4% Y; unavoidable impurities ≤ 0.15%; The amount is aluminum.

[0037] The preparation method of the room temperature high plasticity aluminum alloy containing rare earth yttrium is as follows:

[0038] (1) Melting: heat the pure magnesium ingot to 670°C, slag after the pure aluminum is completely melted, then raise the temperature to 710°C, add pure zinc, magnesium, aluminum-copper master alloy, and aluminum-yttrium master alloy, fully stir and smelt , at 710° C. for 20 minutes to obtain an aluminum alloy melt, wherein the mass percentage of copper in the aluminum-copper master alloy is 25%, and the mass percentage of yttrium in the aluminum-yttrium master alloy is 30%;

[0039] (2) Casting: casting the molten aluminum alloy obtained in step (1) after slag casting, and air-cooling to obtain an...

Embodiment 2

[0044] A room-temperature high-plastic aluminum alloy containing rare earth yttrium, which is composed of the following components in terms of mass percentage: 7% Zn; 3% Mg; 2% Cu; 0.5% Y; unavoidable impurities ≤ 0.15%; The amount is aluminum.

[0045] The preparation method of the room temperature high plasticity aluminum alloy containing rare earth yttrium is as follows:

[0046](1) Melting: heat the pure magnesium ingot to 670°C, slag after the pure aluminum is completely melted, then raise the temperature to 710°C, add pure zinc, magnesium, aluminum-copper master alloy, and aluminum-yttrium master alloy, fully stir and smelt , at 710° C. for 20 minutes to obtain an aluminum alloy melt, wherein the mass percentage of copper in the aluminum-copper master alloy is 25%, and the mass percentage of yttrium in the aluminum-yttrium master alloy is 30%;

[0047] (2) Casting: casting the molten aluminum alloy obtained in step (1) after slag casting, and air-cooling to obtain an in...

Embodiment 3

[0052] A room-temperature high-plastic aluminum alloy containing rare earth yttrium, which is composed of the following components in terms of mass percentage: 7% Zn; 3% Mg; 1.5% Cu; 0.5% Y; unavoidable impurities ≤ 0.15%; The amount is aluminum.

[0053] The preparation method of the room temperature high plasticity aluminum alloy containing rare earth yttrium is as follows:

[0054] (1) Melting: heat the pure magnesium ingot to 670°C, slag after the pure aluminum is completely melted, then raise the temperature to 710°C, add pure zinc, magnesium, aluminum-copper master alloy, and aluminum-yttrium master alloy, fully stir and smelt , at 710° C. for 20 minutes to obtain an aluminum alloy melt, wherein the mass percentage of copper in the aluminum-copper master alloy is 25%, and the mass percentage of yttrium in the aluminum-yttrium master alloy is 30%;

[0055] (2) Casting: casting the molten aluminum alloy obtained in step (1) after slag casting, and air-cooling to obtain an...

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Abstract

The invention discloses a high-elongation deformation rare earth aluminum alloy and a manufacturing method, and mainly relates to the field of aluminum alloys. The alloy comprises the following components in percentage by weight: 5-7% of Zn; 2-3% of Mg; 1-2% of Cu; 0.3% to 0.6% of Y; less than or equal to 0.15% of inevitable impurities; and the balance of aluminum. The method has the beneficial effect that the wrought aluminum alloy which does not contain rare earth and is tough and tough is prepared.

Description

technical field [0001] The invention relates to the field of aluminum alloys, in particular to a high-elongation deformed aluminum alloy and a manufacturing method thereof. Background technique [0002] The new energy vehicle uses aluminum alloy as the raw material and solves the one-time molding of complex surface parts through the extrusion process, and at the same time achieves the effect of light weight. On the other hand, the profiles extruded into complex cross-sections by selecting different aluminum alloy grades bear the load-bearing and impact-absorbing energy effects on the vehicle. [0003] As the metal with the second largest reserves in the world, aluminum alloy provides a good solution for OEMs to achieve lightweight design targets. As we all know, the density of aluminum alloy is 2.7kg / m3, which is only 1 / 3 of that of iron. Aluminum has a face-centered cubic structure, so it has good plasticity, is easy to form and process, and has good corrosion resistance. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/10C22C1/03C22F1/053B21C23/20
CPCC22C21/10C22C1/026C22C1/03C22F1/053B21C23/20
Inventor 王绍俊隋来智沈现猛丁岩丁春华杨焕军臧伟王仁武吕尚娟孟杰马德良马旭
Owner SHANDONG NANSHAN ALUMINUM
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