Smelting preparation method of high-strength aluminum alloy profile

A technology of aluminum alloy profiles and aluminum alloy melts, which is applied in the field of aluminum alloy material processing, can solve problems such as complex process and high impurity content, and achieve the effects of improving overall performance, stable composition, and increasing grain refinement

Inactive Publication Date: 2013-05-15
惠州市荣利发五金铝制品有限公司
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Problems solved by technology

The aluminum alloy profiles in the prior art often have the disadvantag...

Method used

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with embodiment, but not limited to following embodiment.

[0025] A method for smelting and preparing high-strength aluminum alloy profiles, comprising the following steps:

[0026] (1) Configuration of aluminum alloy melt:

[0027] According to the following parts by weight (kg) of raw materials: 60 parts of 6063 aluminum ingots, 30 parts of discarded aluminum products, 10 parts of chromium carbide, and 5 parts of glass slag powder, the above raw materials are added to the melting furnace, and the temperature is raised until the charge begins to soften and collapse Sprinkle a layer of covering agent on the surface of the melt; when the furnace material is completely melted, stir the melt properly to make the temperature in the molten pool uniform, and finally add magnesium ingots to the melt; control the melt The mass percentage content of each element is: 0.18%≤Si ≤0.25%, 1.2%≤Mg ≤2.8%, 0.12%≤P≤0.2...

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Abstract

The invention discloses a smelting preparation method of a high-strength aluminum alloy profile. The smelting preparation method comprises the following operation steps: (1) configuring an aluminum alloy melt: mixing the following raw materials in parts by weight: 55-60 parts of 6063 aluminum ingot, 30-40 parts of waste aluminum product, 5-10 parts of chromium carbide and 5-7 parts of glass slag powder, adding the raw materials into a smelting furnace, heating till a furnace charge is softened and collapses, and scattering a layer of covering agent on the surface of a molten solution for covering; and properly stirring the melt after the furnace charge is completely molten so as to enable the temperature in a melting bath to be uniform and consistent and finally adding a magnesium ingot into the melt. The waste aluminum material is added into the raw materials for mixing so as to be conductive to stabilizing the performances of the aluminum profile and reducing the possibility of affecting the quality of the aluminum profile due to the appearance of the non-detected materials during the smelting of aluminum liquid; the formula is further optimized so as to increase the strength and the hardness of an aluminum alloy and be conductive to improving the comprehensive properties of the aluminum alloy profile; and the surface of the aluminum alloy profile is chromized, so that the anti-corrosion capability of an oxide film on the surface of the aluminum alloy profile and the bonding force between the aluminum alloy profile and a coating are improved.

Description

technical field [0001] The invention relates to a method for smelting and preparing high-strength aluminum alloy profiles, and belongs to the technical field of aluminum alloy material processing. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in the industry, and has been widely used in aviation, aerospace, automobiles, machinery manufacturing, and ships. With the rapid development of science and technology and industrial economy in recent years, the demand for welded structural parts of aluminum alloys is increasing, and the research on the weldability of aluminum alloys is also in-depth. The wide application of aluminum alloy has promoted the development of aluminum alloy welding technology, and the development of welding technology has expanded the application field of aluminum alloy, so the welding technology of aluminum alloy is becoming one of the hot spots of research. The aluminum-plastic panel is a new ty...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/06C22F1/047
Inventor 夏坤财
Owner 惠州市荣利发五金铝制品有限公司
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