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A kind of multi-element alloy with high hardness and high thermal conductivity and preparation method thereof

A multi-alloy, high thermal conductivity technology, applied in the field of alloy materials, can solve the problem that aluminum alloy 6063 cannot meet the heat dissipation requirements, and achieve the effect of ensuring heat dissipation performance and mechanical performance, alleviating performance problems, and improving service life.

Active Publication Date: 2022-03-04
ZHENGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, as the heat generation of devices and equipment continues to increase, the traditional aluminum alloy 6063 can no longer meet the heat dissipation requirements, so it is necessary to develop materials with better heat dissipation performance and comprehensive mechanical properties

Method used

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  • A kind of multi-element alloy with high hardness and high thermal conductivity and preparation method thereof
  • A kind of multi-element alloy with high hardness and high thermal conductivity and preparation method thereof
  • A kind of multi-element alloy with high hardness and high thermal conductivity and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A high hardness and high thermal conductivity multi-element alloy, the mass percentage of each element in the multi-element alloy is: Zn 15%, Si 10%, Cu 10%, Mn 5%, Al 60%.

[0030] The above-mentioned high hardness and high thermal conductivity multi-element alloy Al 60 Zn 15 Si 10 Cu 10 mn 5 The preparation method specifically comprises the following steps:

[0031] 1) Material weighing

[0032] According to the volume of the mold and crucible, calculate the raw material quality of the corresponding elements according to the target alloy composition; then use the grinder and angle grinder to remove the scale on the surface of the bulk material, and use the sawing machine to cut the bulk material Make it into a size suitable for weighing, and finally process the material with a hand saw, and use an electronic balance to accurately weigh it according to the proportion before use.

[0033] 2) Preparation before smelting: The new crucible needs to be preheated to 80...

Embodiment 2

[0037] A high hardness and high thermal conductivity multi-element alloy, the mass percentage of each element in the multi-element alloy is: Zn 18%, Si 12%, Cu 11%, Mn 6%, Al 53%.

[0038] The above-mentioned high hardness and high thermal conductivity multi-element alloy Al 53 Zn 18 Si 12 Cu 11 mn 6 A preparation method comprising the steps of:

[0039] 1) and 2) steps refer to Example 1;

[0040] 3) Preparation of alloy

[0041]Put the graphite crucible into the resistance furnace, first raise the temperature of the furnace to 800°C, then adjust to the melting temperature of 750°C, put in the pure aluminum ingot, add 0.5% of the total weight of the raw material after the pure aluminum ingot is basically melted, and keep it warm 30min; put in master alloys AlSi20 and AlCu50, and keep warm for 20min; put in master alloys AlZn20 and AlMn20, keep warm for 15min; adjust the temperature to the refining temperature of 720°C, use a bell jar to press 0.3% of the total weight of...

Embodiment 3

[0043] A high hardness and high thermal conductivity multi-element alloy, the mass percentage of each element in the multi-element alloy is: Zn 21%, Si 14%, Cu 12%, Mn 7%, Al 46%.

[0044] The above-mentioned high hardness and high thermal conductivity multi-element alloy Al 46 Zn 21 Si 14 Cu 12 mn 7 A preparation method comprising the steps of:

[0045] 1) and 2) steps refer to Example 1;

[0046] 3) Preparation of alloy

[0047] Put the graphite crucible into the resistance furnace, first raise the temperature of the furnace to 800°C, then adjust to the melting temperature of 750°C, put in the pure aluminum ingot, add 0.5% of the total weight of the raw material after the pure aluminum ingot is basically melted, and keep it warm 40min; put in master alloys AlSi20 and AlCu50, and keep warm for 30min; put in master alloys AlZn20 and AlMn20, keep warm for 20min; adjust the temperature to the refining temperature of 720°C, use a bell jar to press 0.3% of the total weight o...

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Abstract

The invention discloses a high-hardness and high-thermal-conductivity multi-element alloy. The mass percent of each element in the multi-element alloy is: Zn 15-30%, Si 10-20%, Cu 10-15%, Mn 5-10%, and the balance It is Al; it is obtained by melting pure aluminum ingots in a melting furnace first, then adding alloy elements such as zinc, silicon, copper, and manganese in proportion, and finally adding refining agents and slag removers to degas and remove slag before pouring. The invention refines the crystal grains, changes the morphology of the second phase in the alloy, improves the hardness and thermal conductivity of the alloy by improving the composition of the alloy, and has a simple preparation method and good forming and processing performance, and can be widely used in rapidly developing new Energy vehicles, 5G communication equipment and other industries ensure the heat dissipation and mechanical properties of the products during work, which is of great significance to improving the service life of the products and reducing production costs.

Description

technical field [0001] The invention belongs to the technical field of alloy materials, and in particular relates to a high-hardness and high-thermal-conductivity multi-element alloy and a preparation method thereof. Background technique [0002] With the rapid development of modern electronic information technology and manufacturing technology, especially in the rapidly developing new energy vehicles, 5G communication equipment and other industries, its systems and equipment tend to develop in the direction of integration, miniaturization, light weight and high power , which undoubtedly brings severe challenges to the heat dissipation performance of the radiator. The thermal conductivity of the material used in the radiator has a very important impact on the heat dissipation efficiency of the entire radiator. Therefore, research and development of new materials with high thermal conductivity is an important method to improve the heat dissipation performance of the radiator....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/10C22C30/02C22C30/06C22C1/03C22C1/06
CPCC22C21/10C22C30/02C22C30/06C22C1/026C22C1/03C22C1/06
Inventor 张涛刘培玉王剑锋陈辰李海光刘珊珊陈俊奇张文峰
Owner ZHENGZHOU UNIV
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