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6061 deforming aluminum alloy and production process thereof

A technology of deformed aluminum alloy and production process, which is applied in the field of non-ferrous metal processing, can solve the problems of reducing production efficiency, reducing alloy processing performance, and increasing costs, and achieves the effects of improving production efficiency, improving processing performance, and reducing raw material costs

Inactive Publication Date: 2013-07-17
CHENGDU SUNSHINE ALUMINUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the increase of alloy elements in the alloy has brought about an increase in the strength of the alloy, it inevitably reduces the processing performance of the alloy, reduces the production efficiency, and increases the cost. Therefore, optimizing the alloy composition of 6061 aluminum alloy is the key to the production of high-quality aluminum alloy. An important part of the alloy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1 : a 6061 deformed aluminum alloy, when the 6061 aluminum alloy is melted, an Al-rare earth intermediate alloy is added; the composition and weight percentage of the 6061 deformed aluminum alloy are: Si: 0.51%, Fe: 0.2%, Mg: 0.86 %, Cu: 0.29%, Cr: 0.16%, Zn: 0.25%, Ti: 0.15%, rare earth elements: 0.2%, other impurities: 0.1%, Al: balance, the sum of each component is 100%.

[0021] A production process of 6061 deformed aluminum alloy, which comprises the following steps:

[0022] S1: Ingredients: 99.7% industrial pure aluminum, Al-rare earth master alloy, industrial magnesium ingot and aluminum-silicon master alloy ingot are selected as raw materials. The composition and percentage of each raw material are:

[0023] The main impurity elements and weight percentages in industrial pure aluminum (99.7%) are: Ti: 0.003%, B: 0.0005%, Fe: 0.154%, Si: 0.109%, Cu: 0.002%, V: 0.102%, C: 0.001, Al: margin;

[0024] The composition and weight percentage of Al-rare eart...

Embodiment 2

[0033] Example 2 : A 6061 deformed aluminum alloy, when the 6061 aluminum alloy is melted, an Al-rare earth intermediate alloy is added; the composition and weight percentage of the 6061 deformed aluminum alloy are: Si: 0.5%, Fe: 0.19%, Mg: 0.9 %, Cu: 0.28%, Cr: 0.18%, Zn: 0.26%, Ti: 0.14%, rare earth elements: 0.1%, Al: balance, the sum of each component is 100%.

[0034] The production process of a 6061 deformed aluminum alloy is the same as that of Example 1.

Embodiment 3

[0035] Example 3 : a 6061 deformed aluminum alloy, when the 6061 aluminum alloy is melted, an Al-rare earth intermediate alloy is added; the composition and weight percentage of the 6061 deformed aluminum alloy are: Si: 0.52%, Fe: 0.21%, Mg: 0.8 %, Cu: 0.3%, Cr: 0.15%, Zn: 0.24%, Ti: 0.16%, rare earth elements: 0.4%, other impurities: 0.05%, Al: balance, the sum of each component is 100%.

[0036] The production process of a 6061 deformed aluminum alloy is the same as that of Example 1.

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Abstract

The present invention discloses a 6061 deforming aluminum alloy and production process thereof. Adding Aluminum-rare earth master alloy while 6061 aluminum alloy is melting. 6061 deforming aluminum alloy comprises, based on the weight percentage, 0.5%- 0.52% of Si, 0.19%- 0.21% of Fe, 0.8% - 0.9% of Mg, 0.28% -0.3% of Cu, 0.15% - 0.18% of Cr, 0.24% - 0.26% of Zn, 0.14% - 0.16% of Ti, 0.1% - 0.05% rare earth elements, 0-0.1% of the remaining impurities and the balance of Al. The sum percentage of the components is 100 %. The production process includes smelting, proportioning, melting, casting, extrusion molding and aging treatment. The invention improves the plasticity and formability of alloy in aluminum alloy by adding Aluminum-rare earth master alloy, thus reducing the amount of alloy elements and production cost.

Description

technical field [0001] The invention relates to a 6061 deformed aluminum alloy and a production process thereof, belonging to the technical field of nonferrous metal processing. Background technique [0002] 6061 aluminum alloy is a heat treatment strengthenable alloy with good formability, weldability, machinability, and medium strength. It can still maintain good operability after annealing. It has been widely used in aerospace fixtures, electrical fixtures, communication fields, automated mechanical parts, precision machining, mold manufacturing, electronics and precision instruments, SMT, PC board solder carriers, etc. [0003] 6061 (LD30) is Al-Mg-Si series wrought aluminum, the content of magnesium and silicon is slightly higher than that of 6063 (LD31), and it contains a small amount of copper, so its strength is higher than that of LD31. A small amount of chromium is added to offset the adverse effect of copper on corrosion resistance. Although the increase of allo...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/03C22F1/047
Inventor 廖健
Owner CHENGDU SUNSHINE ALUMINUM
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