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6410C aluminum alloy

A technology of aluminum alloy and alloy film, applied in the field of aluminum alloy, can solve problems such as color difference, unstable gloss of high-gloss aluminum oxide trim, poor corrosion resistance, etc., to improve surface quality, reduce effective contact height, and reduce shrinkage rate effect

Active Publication Date: 2018-06-08
HUAIAN HETONG AUTOMOTIVE COMPONENTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 6401 aluminum alloy is directly used in bright anodizing production, and the high-gloss aluminum oxide trim produced has problems such as unstable gloss, color difference, and poor corrosion resistance. At the same time, the plasticity and mechanical properties of aluminum trim cannot meet BMW, Mercedes-Benz, etc. To meet the needs of foreign customers, it is imperative to develop new aluminum alloys

Method used

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  • 6410C aluminum alloy
  • 6410C aluminum alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] S1. According to the composition of the 6401C aluminum alloy in Example 1 in Table 1, place 99.99% high-purity refined aluminum ingots with a weight ratio of 4:1 and 99.70% remelting aluminum ingots in an aluminum smelting furnace and heat to 730°C Melted into liquid aluminum;

[0039] S2. Perform the first slag removal treatment on the molten aluminum in the smelting furnace, then add Si and Mg elements first, then add Ti, Re and Sr and pass in argon and refining agent for refining, and then perform the second slag removal treatment , and let it stand for 30 minutes; the Re element is added in the form of an aluminum rare earth master alloy, the Sr element is added in the form of an aluminum strontium master alloy, and the Ti element is added in the form of an aluminum titanium boron master alloy refiner;

[0040] S3. Lead the aluminum liquid in the aluminum smelting furnace to the casting furnace through the aluminum liquid flow channel at the set flow rate per unit t...

Embodiment 2

[0044] S1. According to the composition of the 6401C aluminum alloy in Example 2 of Table 1, place a 99.99% high-purity refined aluminum ingot with a weight ratio of 4.2:1 and a 99.70% remelting aluminum ingot in an aluminum smelting furnace and heat to 732°C Melted into liquid aluminum;

[0045] S2. Perform the first slag removal treatment on the molten aluminum in the smelting furnace, then add Si and Mg elements first, then add Ti, Re and Sr and pass in argon and refining agent for refining, and then perform the second slag removal treatment , and let it stand for 32 minutes; the Re element is added in the form of an aluminum rare earth master alloy, the Sr element is added in the form of an aluminum strontium master alloy, and the Ti element is added in the form of an aluminum titanium boron master alloy refiner;

[0046] S3. Lead the aluminum liquid in the aluminum smelting furnace to the casting furnace through the aluminum liquid flow channel at the set flow rate per un...

Embodiment 3

[0050] S1. According to the composition of the 6401C aluminum alloy in Example 3 of Table 1, put 99.99% high-purity refined aluminum ingot and 99.70% remelting aluminum ingot with a weight ratio of 4.5:1 in an aluminum melting furnace and heat to 735°C Melted into liquid aluminum;

[0051] S2. Perform the first slag removal treatment on the molten aluminum in the smelting furnace, then add Si and Mg elements first, then add Ti, Re and Sr and pass in argon and refining agent for refining, and then perform the second slag removal treatment , and let it stand for 35 minutes; the Re element is added in the form of an aluminum rare earth master alloy, the Sr element is added in the form of an aluminum strontium master alloy, and the Ti element is added in the form of an aluminum titanium boron master alloy refiner;

[0052] S3. Lead the aluminum liquid in the aluminum smelting furnace to the casting furnace through the aluminum liquid flow channel at the set flow rate per unit time...

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Abstract

The invention relates an aluminum alloy, in particular to a 6410C aluminum alloy, and belongs to the field of aluminum alloy materials. The 6410C aluminum alloy specifically comprises the following components in percentage by mass: 0.40%-0.45% of Si, 0.015%-0.025% of Fe less than or equal to 0.01% of Cu, 0.51%-0.56% of Mg, 0.005%-0.014% of Ti, 0.010%-0.020% of Re, 0.010%-0.020% of Sr, less than orequal to 0.01% of other impurities and the balance of aluminum. According to the 6410C aluminum alloy, by reasonably mixing the aluminum alloy components and adopting a special manufacturing method,the obtained 6410C aluminum alloy has good appearance, corrosion-resistance and high-temperature-cracking resistance.

Description

field of invention [0001] The invention relates to an aluminum alloy, in particular to a 6401C aluminum alloy, belonging to the field of aluminum alloy materials. Background technique [0002] With the development trend of automobile lightweight, high-end automobile manufacturers have more and more demand for bright anodized aluminum profile products, and the bright anodized aluminum profile technology contains huge business opportunities in the market. When 6401C alloy is used for bright anodizing, the bonding force between the anodized film and the aluminum alloy substrate of the product is stronger than that of electroplated parts, and the decorative effect is better, and there is no need to consume some expensive metal materials. Generally speaking, the "appearance quality", "corrosion resistance" and "high temperature cracking resistance" of anodized film are directly related to the structure of the material. [0003] 6401 aluminum alloy is directly used in bright anod...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/03B22D11/16B22D11/119C25D3/56
CPCB22D11/003B22D11/119B22D11/16C22C1/026C22C1/03C22C21/08C25D3/56
Inventor 孙卫华
Owner HUAIAN HETONG AUTOMOTIVE COMPONENTS CO LTD
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