High thermal conductivity aluminum alloy and preparation method thereof

An aluminum alloy and high thermal conductivity technology, which is applied in the field of high thermal conductivity aluminum alloy, can solve problems such as affecting work and component heating, and achieves the effects of good corrosion resistance, low raw material cost, and reduced production cost

Inactive Publication Date: 2016-11-16
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 preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Prepare the following components: Aluminum 88.65%; Silicon: 9%; Magnesium 0.35%; Iron: 0.35%; Manganese: 0.35%; Copper: 0.005%; Boron: 0.01; ; the rest is aluminum;

[0024] Such as figure 1 As shown, the above materials are combined as follows:

[0025] (1) Ingredients calculation;

[0026] (2) According to the calculated ingredients, pure aluminum is added to the melting furnace for melting. The melting furnace is a resistance furnace, and the temperature is kept at 720° C. after melting;

[0027] (3) Add silicon for smelting, and keep the temperature at 720°C after smelting;

[0028] (4) Add iron for smelting, and keep the temperature at 720°C after smelting;

[0029] (5) Add magnesium for smelting, and keep the temperature at 720°C after smelting;

[0030] (6) Add aluminum-zirconium master alloy, aluminum-titanium master alloy, aluminum-boron master alloy for melting, and keep the temperature at 690°C after melting;

[0031] (7) Stir the aluminum alloy liquid ...

Embodiment 2

[0035] Prepare the following components: aluminum: 89.9%; silicon: 9.5%; magnesium 0.55%; iron 0.55%; manganese 0.5%; copper: 0.004%; boron: 0.02%; 0.01%; the remainder is aluminum.

[0036] Such as figure 1 As shown, the above materials are combined as follows:

[0037] (1) Ingredients calculation;

[0038] (2) According to the calculated ingredients, pure aluminum is added to the melting furnace for melting. The melting furnace is an induction furnace, and the temperature is kept at 740 ° C after melting;

[0039] (3) Add silicon for smelting, and keep the temperature at 740°C after smelting;

[0040] (4) Add iron for smelting, and keep the temperature at 740°C after smelting;

[0041] (5) Add magnesium for smelting, and keep the temperature at 740°C after smelting;

[0042] (6) Add aluminum-zirconium master alloy, aluminum-titanium master alloy, aluminum-boron master alloy for melting, and keep the temperature at 710°C after melting;

[0043] (7) Stir the aluminum all...

Embodiment 3

[0047] Prepare the following components: Aluminum: 89.5%; Silicon: 9.2%; Magnesium 0.4%; Iron: 0.45%; Manganese: 0.4%; Copper: 0.005%; Boron: 0.02%; Zinc: 0.02%; the rest is aluminum.

[0048] Such as figure 1 As shown, the above materials are combined as follows:

[0049] (1) Ingredients calculation;

[0050] (2) According to the calculated ingredients, add pure aluminum into the melting furnace for smelting. The melting furnace is a reverberatory furnace, and the temperature is kept at 720°C after smelting;

[0051] (3) Add silicon for smelting, and keep the temperature at 730°C after smelting;

[0052] (4) Add iron for smelting, and keep the temperature at 730°C after smelting;

[0053] (5) Add magnesium for smelting, and keep the temperature at 730°C after smelting;

[0054] (6) Add aluminum-zirconium master alloy, aluminum-titanium master alloy, aluminum-boron master alloy for melting, and keep the temperature at 700°C after melting;

[0055] (7) Stir the aluminum a...

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Abstract

The invention discloses a high thermal conductivity aluminum alloy and a preparation method thereof. The high thermal conductivity aluminum alloy is composed of the following components in percentages by weight: 9-9.5% of silicon, 0.35-0.55% of magnesium, 0.35-0.55% of ferrum, 0.35-0.5% of manganese, less than or equal to 0.005% of copper, 0.01-0.02% of boron, 0.01-0.02% of titanium, 0.01-0.02% of zirconium, less than 0.03% of zinc and the balance of aluminum. The preparation method comprises the following steps: mixture calculation; smelting by a smelting furnace; refining and degassing; and modification. Compared with the prior art, the high thermal conductivity aluminum alloy disclosed by the invention has the advantages that the aluminum-titanium alloy disclosed by the invention has the advantages of good flowability, excellent mechanical property, high thermal conductivity coefficient, good corrosion resistance, good machining property, low cost of raw materials and the like, can be widely applied to electronic, electric, communication and mechanical and electronic industries, can effectively guarantee the radiating working performance of a heating apparatus, and plays a good role of prolonging the service lives of electronic and electric products and lowering 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 150W. / 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): C22C21/02C22C1/03
CPCC22C21/02C22C1/026C22C1/03
Inventor 马鸿斌
Owner 马鸿斌
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