Smelting preparation method of heat insulation aluminum alloy profile

A technology of aluminum alloy profiles and aluminum alloy melts, which is applied in the direction of metal material coating technology, etc., can solve the problems of unstable comprehensive performance of 5025 alloy profiles, easy to drop paint, etc., to achieve improved quality and processing performance, stable composition, increased The effect of grain refinement

Inactive Publication Date: 2013-05-15
东莞市旺美铝制品有限公司
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  • Abstract
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Problems solved by technology

However, the 5025 alloy profile also has the disadvantages of unstable comprehensive performance, easy to drop paint, etc.

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 heat-insulating 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: 50 parts of aluminum ingots, 30 parts of discarded aluminum products, 5 parts of chromium carbide, and 5 parts of glass slag powder, the fineness of chromium carbide is 5-8 μm, and the above raw materials are added to smelting When the furnace is heated up until the charge begins to soften and slump, sprinkle a layer of covering agent on the metal surface; when the charge is completely melted, the melt should be properly stirred to make the temperature in the molten pool uniform, and finally pour into the melt Add magnesium ingot; control the mass percentage of each element in the melt as follows: 0.17%≤S...

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Abstract

The invention discloses a smelting preparation method of a heat insulation 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: 50-60 parts of 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 metal 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 heat-insulating aluminum alloy profiles, and belongs to the technical field of aluminum alloy material processing. Background technique [0002] The 5025 aluminum alloy belongs to the AL-Mg series alloy and has a wide range of applications, especially the alloy aluminum plate that is inseparable from the construction industry, and it is also the most promising aluminum alloy plate. The main alloying element of 5052 aluminum alloy is magnesium, which has good corrosion resistance, excellent weldability, good cold workability, and medium strength. Aluminum alloy profiles processed from 5025 aluminum alloy are used to manufacture aircraft and automobile fuel tanks, oil pipes, and sheet metal parts for transportation vehicles and ships, instruments, street lamp brackets and rivets, hardware products, electrical housings, etc. However, the 5025 alloy profile also has the disadvantages of unstable...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C1/06C22F1/047C23C22/07C23F17/00
Inventor 夏坤财
Owner 东莞市旺美铝制品有限公司
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