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Smelting preparation method for anti-cracking aluminum alloy section bar

A technology for aluminum alloy profiles and aluminum alloy melts, applied in the field of aluminum alloy material processing, can solve the problems of large impurity content and complex process, and achieve the effects of improving comprehensive performance, stable composition and increasing uniformity

Inactive Publication Date: 2013-05-15
WUHU HENGKUN AUTO PARTS
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  • Abstract
  • Description
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Problems solved by technology

The aluminum alloy profiles in the prior art often have the disadvantages of large impurity content and complex process during the smelting process.

Method used

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with embodiment, but not limited to following embodiment.

[0030] A method for smelting and preparing an anti-fracture aluminum alloy profile, comprising the following steps:

[0031] (1) Aluminum alloy melt:

[0032] According to the following parts by weight (kg) of raw materials: 55 parts of 3003 aluminum ingots, 32 parts of discarded aluminum products, 5 parts of boron carbide, and 5 parts of nano-ceramic 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, and the covering agent is composed of the following parts by weight (kg): 10 parts of CaO, 10 parts of AL 2 o 3 , 45 parts of SiO 2 , 30 parts of charcoal, 23 parts of fly ash; then add magnesium ingots and melt; the weight of magnesium ingots is 1-5% of the raw material aluminum weight; ...

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Abstract

The invention discloses a smelting preparation method for an anti-cracking aluminum alloy section bar. The smelting preparation method comprises the following operation steps: (1) 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; 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, and the waste aluminum materials are smelted by one step and stable in components, and so the waste aluminum waste materials added to the ingredients are beneficial to stabilizing 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 dosage proportion of the relevant ingredients in the aluminum section bar formula is adjusted, so that the formula is further optimized.

Description

technical field [0001] The invention relates to a method for smelting and preparing anti-fracture 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...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/06C22F1/04C23C8/20C23F17/00
Inventor 夏坤财
Owner WUHU HENGKUN AUTO PARTS
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