High-thermal-conductivity aluminum alloy and preparing method thereof

An aluminum alloy and high thermal conductivity technology, applied in the field of high thermal conductivity aluminum alloys, can solve the problems of heating components and affecting work, and achieve the effects of low raw material cost, good corrosion resistance, and reduced production costs.

Inactive Publication Date: 2017-02-01
马鸿斌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the thermal conductivity of ordinary die-casting aluminum alloys is about 100W. / m.K. In the electronics, electrical, communication, and electromechanical industries, there are many phenomena that affect work due to heating of components during work. Ordinary die-casting aluminum alloys cannot solve the above problems well. Problems caused by heat generation of components, etc.

Method used

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  • High-thermal-conductivity aluminum alloy and preparing method thereof

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Effect test

Embodiment 1

[0021] refer to figure 1 , a high thermal conductivity aluminum alloy and a preparation method thereof, the ready weight percentages are as follows: aluminum: 90.3%; silicon 7.5%; magnesium 0.35%; boron 0.02%; titanium 0.01%; zirconium 0.01%; 0.09%; manganese 0.05%; copper 0.05%; operate as follows:

[0022] (1) Ingredients calculation;

[0023] (2) According to the calculated ingredients, add pure aluminum into the furnace for melting, and keep the temperature at 720°C after melting;

[0024] (3) Add silicon for smelting, and keep the temperature at 720°C after smelting;

[0025] (4) Add magnesium for smelting, and keep the temperature at 720°C after smelting;

[0026] (5) Add aluminum-zirconium master alloy, aluminum-titanium master alloy, aluminum-boron master alloy for melting, and keep the temperature at 690°C after melting;

[0027] (6) Stir the aluminum alloy liquid for 5 minutes to make the ingredients uniform, then remove the slag, and take samples for testing;

...

Embodiment 2

[0032] Such as figure 1 As shown, a high thermal conductivity aluminum alloy, prepare the following materials by weight percentage: aluminum: 92.1%; silicon 8.5%; magnesium 0.55%; boron 0.05%; titanium 0.02%; zirconium 0.02%; ; Manganese 0.05%; Copper 0.05%, the rest is aluminum, prepared according to the following method:

[0033] (1) Ingredients calculation;

[0034] (2) According to the calculated ingredients, add pure aluminum into the furnace for melting, and keep the temperature at 740°C after melting;

[0035] (3) Add silicon for smelting, and keep the temperature at 740°C after smelting;

[0036] (4) Add magnesium for smelting, and keep the temperature at 740°C after smelting;

[0037] (5) Add aluminum-zirconium master alloy, aluminum-titanium master alloy, aluminum-boron master alloy for melting, and keep the temperature at 710°C after melting;

[0038] (6) Stir the aluminum alloy liquid for 10 minutes to make the ingredients uniform, then remove the slag, and tak...

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Abstract

The invention discloses a high-thermal-conductivity aluminum alloy and a preparing method thereof. The aluminum alloy is composed of components including, by weight percent, 7.5% to 8.5% of silicon, 0.35% to 0.55% of magnesium, 0.02% to 0.05% of boron, 0.01% to 0.02% of titanium, 0.01% to 0.02% of zirconium, not larger than 0.2% of iron in impurities, smaller than 0.1% of zinc, not larger than 0.05% of magnesium, not larger than 0.05% of copper and the balance aluminum. The preparing method comprises following steps of burdening calculation, smelting furnace smelting, refining degassing and modification. Compared with the prior art, the aluminum titanium alloy has the beneficial effects of being good in liquidity, excellent in mechanical property, high in heat conduction coefficient, good in corrosion-resisting property, good in machining property, low in raw material cost and the like, can be widely applied to electronic, electrical, communication and mechanical and electronic industries, can effectively ensure the cooling work performance of a heating device and has the good effect on prolonging the service life of electronic and electrical products, and reducing the production cost.

Description

technical field [0001] The invention relates to a high thermal conductivity aluminum alloy, in particular to a high thermal conductivity aluminum alloy and a preparation method thereof. Background technique [0002] At present, the thermal conductivity of ordinary die-casting aluminum alloys is about 100W. / m.K. In the electronics, electrical, communication, and electromechanical industries, there are many phenomena that affect work due to heating of components during work. Ordinary die-casting aluminum alloys cannot solve the above problems well. Problems caused by heating of components, etc. The thermal conductivity of the invention is higher than 180W. / m.K, and the die-casting performance and corrosion resistance are good, which can effectively solve the above problems. Contents of the invention [0003] The present invention aims to solve the above disadvantages, and provides a high thermal conductivity aluminum alloy with good alloy fluidity, excellent mechanical prop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/02C22C1/03C22C1/06
CPCC22C21/02C22C1/026C22C1/03C22C1/06
Inventor 马鸿斌
Owner 马鸿斌
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