Preparation method capable of improving heat dissipation rate of die-casting aluminum alloy parts

A technology of casting aluminum alloy and heat dissipation rate, which is applied in the field of preparation of improving the heat dissipation rate of die-casting aluminum alloy parts, and can solve the problem that the heat dissipation efficiency cannot meet the heat dissipation rate of aluminum alloy

Pending Publication Date: 2021-04-27
金寨春兴精工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aluminum alloy materials are used in various industries due to their excellent performance, but due to the continuous improvement of the heat dissipation efficiency of aluminum alloys, the current heat dissipation efficiency

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A preparation method capable of improving the heat dissipation rate of die-casting aluminum alloy parts, specifically as follows;

[0016] (1) In terms of parts by mass, take 100 parts of aluminum, 5 parts of silicon, 1 part of iron, 0.3 parts of copper, 0.05 parts of magnesium, 0.01 parts of tungsten carbide, 0.01 parts of cobalt, 0.5 parts of calcium, 1 part of manganese, and 0.2 parts of potassium. Then put it in a high-mixer to melt and mix, homogenize for 90 minutes, cool naturally and take it out to get a rough billet;

[0017] (2) smelting after mixing the rough blank material described in step (1) with the deoxidizer, the primary smelting temperature is 680 degrees centigrade, and the smelting time is 30 minutes. The secondary melting temperature is 720 degrees Celsius, the melting time is 90 minutes, and the deoxidized billet is obtained;

[0018] (3) Refining the deoxidized billet described in step (2) with a refining agent to obtain the product.

[0019] Fu...

Embodiment 2

[0023] A preparation method capable of improving the heat dissipation rate of die-casting aluminum alloy parts, specifically as follows;

[0024] (1) In parts by mass, take 150 parts of aluminum, 10 parts of silicon, 3 parts of iron, 0.9 parts of copper, 0.1 part of magnesium, 0.05 parts of tungsten carbide, 0.03 parts of cobalt, 0.8 parts of calcium, 2 parts of manganese, and 0.5 parts of potassium After mixing, put it in a high-mixer to melt and mix, and after homogenizing for 120 minutes, take it out by natural cooling to obtain a rough billet;

[0025] (2) smelting after mixing the rough blank material described in step (1) with the deoxidizer, the first smelting temperature is 700 degrees centigrade, and the smelting time is 40 minutes. The secondary melting temperature is 740 degrees Celsius, and the melting time is 100 minutes to obtain a deoxidized billet;

[0026] (3) Refining the deoxidized billet described in step (2) with a refining agent to obtain the product.

...

Embodiment 3

[0031] A preparation method capable of improving the heat dissipation rate of die-casting aluminum alloy parts, specifically as follows;

[0032] (1) In parts by mass, take 100 parts of aluminum, 10 parts of silicon, 1 part of iron, 0.9 parts of copper, 0.05 parts of magnesium, 0.05 parts of tungsten carbide, 0.01 parts of cobalt, 0.8 parts of calcium, 1 part of manganese, and 0.5 parts of potassium After mixing, put it in a high-speed mixer to melt and mix, and after homogenizing for 90 minutes, take it out by natural cooling to obtain a rough billet;

[0033] (2) smelting after mixing the rough blank material described in step (1) with a deoxidizer, the primary smelting temperature is 700 degrees Celsius, and the smelting time is 30 minutes. The secondary melting temperature is 720 degrees Celsius, and the melting time is 100 minutes to obtain a deoxidized billet;

[0034] (3) Refining the deoxidized billet described in step (2) with a refining agent to obtain the product. ...

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PUM

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Abstract

The invention relates to the technical field of metal processing, in particular to a preparation method capable of improving the heat dissipation rate of die-casting aluminum alloy parts. The method comprises the following steps: (1) taking aluminum, silicon, iron, copper, magnesium, tungsten carbide, cobalt, calcium, manganese and potassium in parts by mass, mixing, melting in a high-speed mixer, mixing, homogenizing for 90-120 minutes, naturally cooling, and taking out to obtain a crude blank; (2) mixing the crude blank obtained in step (1) with a deoxidizing agent, and smelting twice; and (3) refining the deoxidized blank obtained in step (2) by using a refining agent. Experiments show that by means of the preparation method capable of improving the heat dissipation rate of the die-casting aluminum alloy parts, the heat conductivity of produced aluminum alloy is remarkably improved compared with that of common aluminum alloy sold in the market, the heat conductivity is improved by 33% or above, and the aluminum alloy is suitable for various products with high requirements for the heat dissipation rate and has very high market competitiveness.

Description

technical field [0001] The invention relates to the technical field of metal processing, in particular to a preparation method capable of improving the heat dissipation rate of a die-casting aluminum alloy part. Background technique [0002] Aluminum alloy is an alloy based on aluminum with a certain amount of other alloying elements added, and is one of the light metal materials. In addition to the general characteristics of aluminum, aluminum alloys also have specific characteristics of some alloys due to the different types and quantities of alloying elements added. The density of aluminum alloy is 2.63~2.85g / cm, it has high strength, its specific strength is close to that of high alloy steel, its specific stiffness exceeds that of steel, it has good casting performance and plastic processing performance, good electrical and thermal conductivity, good resistance Corrosion and weldability, can be used as structural materials, widely used in aerospace, aviation, transporta...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C32/00C22C1/06C22C1/10
CPCC22C1/06C22C1/1036C22C21/02C22C32/0052
Inventor 冉凡朋刘伟张洁
Owner 金寨春兴精工有限公司
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