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6410 aluminium alloy and preparation method and application of 6410 aluminium alloy

A technology for aluminum alloys and intermediate alloys, applied in the field of aluminum alloys, can solve problems such as easy exposure of alloys and inability to meet the requirements of bright anodizing

Active Publication Date: 2012-09-19
JIANGSU HEXING AUTOMOTIVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the smelting process referring to 6063 cannot meet the requirements of bright anodizing, because bright anodizing can easily expose the fine defects inside the alloy

Method used

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  • 6410 aluminium alloy and preparation method and application of 6410 aluminium alloy
  • 6410 aluminium alloy and preparation method and application of 6410 aluminium alloy
  • 6410 aluminium alloy and preparation method and application of 6410 aluminium alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Take 99.99% high-purity aluminum ingot as raw material to prepare 6401 aluminum alloy for bright anodizing, the target product is Si0.35%, Cu0.08%, Mg0.35%, Ti0.006%, C trace, equivalent to Ti content One-twentieth of Fe≤0.04%, other impurities≤0.01%, and the balance is aluminum, in which Si, Cu, Mg, and Ti are active ingredients, and Fe is the main impurity element whose content needs to be limited. Si element is added in the way of adding aluminum-silicon master alloy to the molten aluminum in the aluminum smelting furnace, Cu element is added in the way of adding aluminum-copper master alloy to the molten aluminum in the aluminum smelting furnace, and Mg is added in the form of refined magnesium It is added to the molten aluminum in the aluminum smelting furnace, and the Ti and C elements are added by continuously adding the AlTi3C0.15 refiner of the aluminum-titanium-carbon intermediate alloy to the casting runner. The following is attached Figure 8 Description of...

Embodiment 2

[0069] Take 99.99% high-purity aluminum ingots as raw materials to prepare 6401 aluminum alloys for bright anodizing. The target product contains 0.55% Si, 0.14% Cu, 0.70% Mg, 0.012% Ti, and a small amount of C, which is equivalent to Ti One-twentieth of the content, Fe ≤ 0.04%, other impurities ≤ 0.01%, the balance is aluminum, of which Si, Cu, Mg, Ti are active ingredients, and Fe is the main impurity element whose content needs to be limited. Si element is added in the way of adding aluminum-silicon master alloy to the molten aluminum in the aluminum smelting furnace, Cu element is added in the way of adding aluminum-copper master alloy to the molten aluminum in the aluminum smelting furnace, and Mg is added in the form of refined magnesium It is added to the molten aluminum in the aluminum smelting furnace, and Ti and C elements are added in the way of continuous addition of AlTi3C0.15 refiner filaments to the furnace casting runner. Refer to Example 1 for the specific pre...

Embodiment 3

[0071] Take 99.99% high-purity aluminum ingots as raw materials to prepare 6401 aluminum alloys for bright anodizing. The target product contains 0.40% Si, 0.10% Cu, 0.45% Mg, 0.006% Ti, and a small amount of C, which is equivalent to Ti One-twentieth of the content, Fe ≤ 0.04%, other impurities ≤ 0.01%, the balance is aluminum, of which Si, Cu, Mg, Ti are active ingredients, and Fe is the main impurity element whose content needs to be limited. Si element is added in the way of adding aluminum-silicon master alloy to the molten aluminum in the aluminum smelting furnace, Cu element is added in the way of adding aluminum-copper master alloy to the molten aluminum in the aluminum smelting furnace, and Mg is added in the form of refined magnesium It is added to the molten aluminum in the aluminum smelting furnace, and Ti and C elements are added in the way of continuous addition of AlTi3C0.15 refiner filaments to the furnace casting runner. Refer to Example 1 for the specific pre...

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PUM

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Abstract

Disclosed is a 6410 aluminium alloy for bright anodic oxidation. The 6410 aluminium alloy is prepared by smelting 99.99wt. % of high purity refined aluminum, silicon (Si), copper (Cu), magnesium (Mg), titanium (Ti) and carbon (C), wherein by weight, the Si is 0.35wt. %-0.55wt. %, the Cu is 0.08wt. %-0.14wt. %, the Mg is 0.35wt. %-0.70wt. %, the Ti is 0.006wt. %-0.012wt. %, and a trace of the C is equivalent to one twentieth of the content of the Ti; and ferrum (Fe) is equal to or smaller than 0.04wt. %, other impurities are equal to or smaller than 0.01wt. %, the balance is aluminum, the Si, the Cu, the Mg and the Ti are active ingredients, the Fe is a main impurity element, and the weight of the Fe is required to be limited. The preparation method of the 6410 aluminium alloy includes that high purity refined aluminum ingots are subjected to heating and smelting to obtain an aluminum liquid, the Si, the Cu and the Mg are added, flow quantity of the aluminum liquid is set when the aluminum liquid flows through a runner, the aluminum liquid is led to a casting furnace, the Ti and the C are continuously added into the aluminum liquid runner according to the requirement, the aluminum liquid is subjected to refining and filtering by means of on-line argon, and standard aluminum bars are obtained after hot-top casting. The 6410 aluminum alloy can be used for manufacturing bright anodic oxidation automobile exterior trimming parts.

Description

technical field [0001] The invention relates to an aluminum alloy, especially a 6401 aluminum alloy used for bright anodic oxidation; it also relates to its preparation method and specific application; it belongs to the technical field of non-ferrous metal aluminum alloy and its smelting and application. Background technique [0002] In the aluminum alloy smelting industry, 6063 aluminum alloy is the most widely used aluminum alloy grade. According to GB / T3190 "Chemical Composition of Deformed Aluminum and Aluminum Alloy Alloys", the percentage of chemical composition is: [0003] [0004] 6401 aluminum alloy is made of 99.99% high-purity aluminum ingots, and then added Si, Mg, Cu, Ti and other alloying elements. The chemical composition percentage of 6401 aluminum alloy international general standard is: [0005] Si Fe Cu mn Mg Zn Ti other single Al 0.35-0.7 ＜0.04 0.05-0.20 ＜0.03 0.35-0.7 ...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/03C22C1/06C22F1/05
Inventor 曾祥建
Owner JIANGSU HEXING AUTOMOTIVE TECH
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