Smelting preparation method for anti-yielding aluminum alloy section bar

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 large impurity content and complicated process, and achieve the effects of improving comprehensive performance, stable composition, and improving quality and processing performance

Active Publication Date: 2013-05-15
江苏兴甬铝业科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The aluminum alloy profiles in the prior art often have the disadvantages

Method used

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Example Embodiment

[0023] The present invention will be further described below in conjunction with examples, but it is not limited to the following examples.

[0024] A method for smelting and preparing a yield-resistant aluminum alloy profile includes the following steps:

[0025] (1) Configure aluminum alloy melt:

[0026] According to the following parts by weight (kg) of raw materials: 55 parts of aluminum ingots, 32 parts of discarded aluminum products, 5 parts of boron carbide, 5 parts of nano-quartz sand powder, the fineness of boron carbide is 5-8μm, and the above raw materials are added In the smelting furnace, when the furnace charge starts to soften and collapse, sprinkle a layer of covering agent on the surface of the melt. The covering agent is composed of the following parts by weight (kg): 20 parts CaO, 25 parts AL 2 O 3 , 35 parts SiO 2 , 12 parts of charcoal, 12 parts of fly ash; when the charge is completely melted, the melt should be properly stirred to make the temperature in the m...

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Abstract

The invention discloses a smelting preparation method for anti-yielding aluminum alloy section bar. The smelting preparation method comprises the following operation steps: preparing aluminum alloy melt, wherein the aluminum alloy melt is prepared from the following materials in parts by weight: 55-65 parts of 3003 aluminum ingots, 32-42 parts of waste aluminum products, 5-10 parts of boron carbide and 5-10 parts of nanometer quartz sand powder, and the fineness of the boron carbide is 5 microns to 8 microns; adding the materials to a smelting furnace; scattering a layer of covering agent to the surface of the melt to cover the melt when the furnace materials are heated up to be softened and collapsed, wherein the covering agent comprises the following components in parts by weight: 10-20 parts of CaO, 10-25 parts of Al2O3, 35-45 parts of SiO2, 12-30 parts of C and 12-23 parts of coal ashes. According to the smelting preparation method disclosed by the invention, the waste aluminum materials are added to the material ingredients for facilitating the stabilizing of the performances of the aluminum section bar and reducing the possibility that the quality of the aluminum section bar is affected by undetected materials during the smelting process of the melt. The ingredients are further optimized and the hardness and strength of the aluminum alloy are increased, so that the comprehensive performances of the aluminum alloy section bar are improved; and the chromizing treatment is carried out on the surface of the aluminum alloy section bar, so that the corrosion resistance of the oxide film on the surface of the aluminum alloy section bar and the binding force of the aluminum alloy section bar and the coating are improved.

Description

technical field [0001] The invention relates to a method for melting and preparing anti-yield aluminum alloy profiles, belonging 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 type of ...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/02C22F1/04
Inventor 夏坤财
Owner 江苏兴甬铝业科技有限公司
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