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AlMgSi alloy sheet preparation method

A technology of alloy plates and plates, which is applied in the field of aluminum alloy materials, can solve problems such as low strength, achieve the effects of low cost, reasonable types and composition contents of alloy constituent elements, and reduce energy consumption

Active Publication Date: 2012-07-04
镇江市天通新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the strength of the AlMgSi alloys currently used is not high, or some precious alloying elements (such as: Ag) have been added to achieve high strength.

Method used

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  • AlMgSi alloy sheet preparation method
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  • AlMgSi alloy sheet preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The AlMgSi alloy composition is calculated by mass percentage: Mg 0.6%, Si 1.2%, Cu 0.75%, Mn 0.35%, Fe 0.5%, Zr 0.15%, and the rest is Al.

[0045] In the process of preparing the AlMgSi alloy plate, ingredients are mixed according to the above-mentioned composition ratio. The raw materials used are:

[0046] Metal aluminum, metal magnesium;

[0047] Master alloy Al-20Si (meaning: by mass percentage, Al content is 80%, Si content is 20%, the same below), Al-10Mn, Al-50Cu, Al-20Fe and Al-4Zr.

[0048] In the AlMgSi alloy of the present invention, the aluminum element comes from metal aluminum and various master alloys, the magnesium element comes from metal magnesium, and Si, Cu, Mn, Fe and Zr come from master alloys Al-20Si, Al-50Cu, Al-10Mn, Al-20Fe respectively and Al-4Zr.

[0049] The specific preparation process of this kind of AlMgSi alloy plate is carried out according to the following steps:

[0050] 1. Preheat metal aluminum, master alloy and tools used in ...

Embodiment 2

[0075] The composition of AlMgSi alloy is calculated by mass percentage: 0.8% Mg, 1.5% Si, 0.8% Cu, 0.4% Mn, 0.6% Fe, 0.2% Zr, and the rest is Al.

[0076] In the process of preparing the AlMgSi alloy plate, ingredients are mixed according to the above-mentioned composition ratio. The raw materials used are:

[0077] Metal aluminum, metal magnesium;

[0078] Master alloy Al-20Si (meaning: by mass percentage, Al content is 80%, Si content is 20%, the same below), Al-10Mn, Al-50Cu, Al-20Fe and Al-4Zr.

[0079] In the AlMgSi alloy of the present invention, the aluminum element comes from metal aluminum and various master alloys, the magnesium element comes from metal magnesium, and Si, Cu, Mn, Fe and Zr come from master alloys Al-20Si, Al-50Cu, Al-10Mn, Al-20Fe respectively and Al-4Zr.

[0080] The specific preparation process of this kind of AlMgSi alloy plate is carried out according to the following steps:

[0081] 1. Preheat the metal aluminum, master alloy and tools used...

Embodiment 3

[0106] The composition of AlMgSi alloy is calculated by mass percentage: Mg 0.4%, Si 1%, Cu 0.7%, Mn 0.3%, Fe 0.4%, Zr 0.1%, and the rest is Al.

[0107] In the process of preparing the AlMgSi alloy plate, ingredients are mixed according to the above-mentioned composition ratio. The raw materials used are:

[0108] Metal aluminum, metal magnesium;

[0109] Master alloy Al-20Si (meaning: by mass percentage, Al content is 80%, Si content is 20%, the same below), Al-10Mn, Al-50Cu, Al-20Fe and Al-4Zr.

[0110] In the AlMgSi alloy of the present invention, the aluminum element comes from metal aluminum and various master alloys, the magnesium element comes from metal magnesium, and Si, Cu, Mn, Fe and Zr come from master alloys Al-20Si, Al-50Cu, Al-10Mn, Al-20Fe respectively and Al-4Zr.

[0111] The specific preparation process of this kind of AlMgSi alloy plate is carried out according to the following steps:

[0112] 1. Preheat metal aluminum, master alloy and tools used in sm...

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Abstract

The invention provides an AlMgSi alloy sheet and a preparation method thereof. The sheet comprises the following components by mass percent: 0.4-0.8% of Mg, 1-1.5% of Si, 0.7-0.8% of Cu, 0.3-0.4% of Mn, 0.4-0.6% of Fe, 0.1-0.2% of Zr and the balance Al. The process for preparing the sheet comprises the following steps: smelting, blank preparing, hot rolling, cold rolling, annealing heat treatment, solid solution heat treatment and aging heat treatment. The invention has the following advantages: the elements for preparing the alloy have few types, most of which are conventional metal elements, therefore, the alloy is low in cost; the alloy smelting process is simple, and the reasonable rolling process and heat treatment process ensure the ultimate tensile strength of the alloy to reach over 390Mpa; cold rolling is adopted in later stage of rolling, thereby dispensing with heating in the hot rolling process and lowering the energy consumption.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy materials, and in particular relates to an AlMgSi alloy plate and a preparation method thereof. Background technique [0002] In recent years, with the continuous improvement of people's awareness of environmental protection, new requirements for energy saving and environmental protection have been put forward for automobiles. Among the many ways to meet this requirement, reducing the weight of the car has always been the way to pay more attention. And increasing the application of aluminum alloy in the automotive industry can just promote the solution of this problem. Therefore, aluminum alloy is favored by people as a lightweight material for automobiles and has broad development prospects. [0003] AlMgSi alloys that can be strengthened by heat treatment are more suitable for automobile body panels. In Europe and North America, many automobile manufacturers have begun to use 6××× allo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/02C22C1/03C22C1/06C22F1/043
Inventor 袁晓光吴明富李赫亮黄宏军郭志强
Owner 镇江市天通新材料科技有限公司
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