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Bacteriostatic aluminum alloy for automobile pipeline and processing method of bacteriostatic aluminum alloy

A processing method and technology of aluminum alloy, which is applied in the field of aluminum alloy, can solve problems such as bacterial growth, unfavorable human health of consumers, and easy corrosion

Inactive Publication Date: 2019-04-16
安徽宏宇铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the many parts of the car, the working environment is different, and the requirements for its properties are also different. Especially during the use of the car pipeline, due to the high temperature, it is easy to be corroded, and it is easy to cause safety hazards; at the same time, it cannot be cleaned for a long time, resulting in bacteria Breeding is very unfavorable to the human health of consumers, so it is necessary to develop a kind of antibacterial aluminum alloy for automobile pipes and its processing method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] An antibacterial aluminum alloy for automobile pipes, comprising the following components: including the following chemical components in weight percentage: Si0.45%, Fe 0.15%, Mn 0.22%, Mg 2.8%, Zn 0.15%, Sc 0.08%, Li 0.65%, Cu 0.07%, Cr 0.05%, the balance is Al and unavoidable impurities.

[0027] The said unavoidable impurity content is less than 0.1%.

[0028] A processing method of antibacterial aluminum alloy for automobile pipes, comprising the following steps:

[0029] A. Alloy smelting: In the smelting furnace, aluminum ingots, rare earth metals and intermediate alloys are used to smelt alloys, and heated and stirred at 740°C to melt into aluminum alloy liquid;

[0030] B. Refining and standing: After smelting, refine and remove slag in the smelting furnace, and then stand still;

[0031] C. Homogenization: casting to obtain an aluminum alloy ingot, and cooling the aluminum alloy to 5600°C, and standing for 7 hours;

[0032] D. Extrusion: The extrusion force ...

Embodiment 2

[0045] An antibacterial aluminum alloy for automobile pipes, comprising the following components: including the following chemical components in weight percentage: Si0.4%, Fe 0.25%, Mn 0.15%, Mg 4.5%, Zn 0.1%, Sc 0.1%, Li 0.45%, Cu0.1%, Cr0.01%, the balance is Al and unavoidable impurities.

[0046] The said unavoidable impurity content is less than 0.1%.

[0047] A processing method of antibacterial aluminum alloy for automobile pipes, comprising the following steps:

[0048] A. Alloy smelting: In the smelting furnace, aluminum ingots, rare earth metals and intermediate alloys are used to smelt alloys, and heated and stirred at 760 ° C to melt into aluminum alloy liquid;

[0049] B. Refining and standing: After smelting, refine and remove slag in the smelting furnace, and then stand still;

[0050] C. Homogenization: casting to obtain an aluminum alloy ingot, and cooling the aluminum alloy to 550°C and standing for 8 hours;

[0051] D. Extrusion: The extrusion force should...

Embodiment 3

[0064] An antibacterial aluminum alloy for automobile pipes, comprising the following components: including the following chemical components in weight percentage: Si0.5%, Fe 0.1%, Mn 0.25%, Mg 2.5%, Zn 0.25%, Sc 0.05%, Li 0.8%, Cu0.01%, Cr0.1%, the balance is Al and unavoidable impurities.

[0065] The said unavoidable impurity content is less than 0.1%.

[0066] A processing method of antibacterial aluminum alloy for automobile pipes, comprising the following steps:

[0067] A. Alloy smelting: In the smelting furnace, aluminum ingots, rare earth metals and intermediate alloys are used to smelt alloys, and heated and stirred at 720°C to melt into aluminum alloy liquid;

[0068] B. Refining and standing: After smelting, refine and remove slag in the smelting furnace, and then stand still;

[0069] C. Homogenization: casting to obtain an aluminum alloy ingot, and cooling the aluminum alloy to 580°C, and standing for 6 hours;

[0070]D. Extrusion: The extrusion force should b...

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Abstract

The invention discloses a bacteriostatic aluminum alloy for an automobile pipeline. The bacteriostatic aluminum alloy is prepared from chemical components including, by weight, 0.4%-0.5% of Si, 0.1%-0.25% of Fe, 0.15%-0.25% of Mn, 2.5%-4.5% of Mg, 0.1%-0.25% of Zn, 0.05%-0.1% of Sc, 0.45%-0.8% of Li, 0.01%-0.1% of Cu, 0.01%-0.1% of Cr and the balance Al and inevitable impurities. Multiple elementssuch as Sc, Li and the like are added on the basis of a traditional aluminum alloy, so that the aluminum alloy has the characteristics of corrosion resistance, high ductility and the like, surface treatment is performed on the aluminum alloy by the aid of a heat-insulating bacteriostatic powder coating, the coating is prepared from main components including silica powder and calcined shell powder, and thus the alloy has the very good heat-insulating effect; and meanwhile, nano titanium dioxide is added, so that the alloy has the good bacteriostatic effect, and the long-term bacteriostatic effect can be 60% or above.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to an antibacterial aluminum alloy for automobile pipes and a processing method thereof. Background technique [0002] Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automobile, machinery manufacturing, shipbuilding and chemical industry. With the rapid development of industrial economy, the demand for welded structural parts of aluminum alloy is increasing day by day, so that the research on weldability of aluminum alloy is also in-depth. Aluminum alloy is currently the most widely used alloy. [0003] However, due to the many parts of the car, the working environment is different, and the requirements for its properties are also different. Especially during the use of the car pipeline, due to the high temperature, it is easy to be corroded, and it is easy to cause safety hazards; a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22C1/02C22C1/03C22F1/047C09D163/00C09D5/14C09D5/03C09D7/61
CPCC08K2003/2241C08K2003/265C08K2201/011C09D5/033C09D5/14C09D163/00C22C1/026C22C1/03C22C21/08C22F1/047C08K3/22C08K3/26C08K3/36
Inventor 高玲均
Owner 安徽宏宇铝业有限公司
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