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Aluminum alloy and application thereof

A technology of aluminum alloy and high content, which is applied in the field of alloy materials, can solve the problems that aluminum alloy is difficult to meet the requirements of die-casting mechanical properties and thermal conductivity, so as to achieve better melt fluidity and comprehensive mechanical properties, avoid mold sticking and thermal cracks, The effect of avoiding process problems

Active Publication Date: 2021-06-11
BYD CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem that the existing aluminum alloys are difficult to meet the mechanical performance requirements of die-casting and the thermal conductivity requirements after die-casting, the present invention provides an aluminum alloy and its application

Method used

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  • Aluminum alloy and application thereof
  • Aluminum alloy and application thereof
  • Aluminum alloy and application thereof

Examples

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Embodiment 1

[0056] This example is used to illustrate the aluminum alloy disclosed in the present invention and its preparation method, including the following steps:

[0057] As shown in Table 1, the aluminum alloy composition is calculated by mass content: the content of Co is 2%, the content of Zn is 0.8%, the content of Fe is 0.3%, the content of Mg is 0.1%, and the content of Ni is 0.1%. Calculate the required mass of various master alloys or metal elements according to the mass content of the above-mentioned aluminum alloy components, and then melt and mix the various master alloys or metal elements to form an aluminum alloy ingot. Then the aluminum alloy ingot is subjected to 7d natural aging to obtain the aluminum alloy.

Embodiment 2-20

[0059] Examples 2-20 are used to illustrate the aluminum alloy disclosed in the present invention and its preparation method, including most of the operating steps in Example 1, the difference being:

[0060] Using the aluminum alloy components shown in Examples 2-20 in Table 1, calculate the required mass of various master alloys or metal elements according to the mass content of the aluminum alloy components, and then melt and mix various master alloys or metal elements to form Aluminum alloy ingot. Then the aluminum alloy ingot is subjected to 7d natural aging to obtain the aluminum alloy. Comparative example 1

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Abstract

In order to solve the problem that an existing aluminum alloy can hardly consider the mechanical property requirement of die casting and the thermal conductivity requirement after die casting, the invention provides an aluminum alloy. The aluminum alloy comprises the following components including, by mass percent, 1.3%-4% of Co, 0.05%-0.8% of Mg, 0.7%-1.6% of Zn, 0.05%-0.5% of Ni, 0.1%-0.6% of Fe, 0-0.1% of Si and the balance Al and other elements, and the total quantity of the other elements is lower than 0.1%. Meanwhile, the invention further discloses application of the aluminum alloy. According to the aluminum alloy, by adjusting proportion control of all the strengthening elements in the aluminum alloy, the melt flowability and the comprehensive mechanical property of the aluminum alloy are better, the die-casting requirement can be met, the technological problems of die sticking and hot cracks in the die-casting process are avoided, and furthermore, through the aluminum alloy with the element ratio, it can be guaranteed that the aluminum alloy still has the high heat conduction property after die casting.

Description

technical field [0001] The invention belongs to the technical field of alloy materials, and in particular relates to an aluminum alloy and its application. Background technique [0002] In the field of electronics, it is often necessary to set up external devices to dissipate heat from electronic devices. At the same time, structural materials also require certain heat conduction requirements to avoid heat accumulation. For example, the so-called 5G technology, that is, the fifth generation mobile communication technology, its communication technology mainly uses Correspondingly, due to the large data processing and the heat generation of electronic devices per unit time, the materials of the base station are required to have a large heat conduction and heat dissipation capacity, and die-casting is often used in the preparation of radiators. [0003] Die-casting of aluminum alloys has high requirements on the mechanical properties of aluminum alloys, such as yield strength, ...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C21/10
CPCC22C21/00C22C21/10
Inventor 郭强王梦得安维付景松
Owner BYD CO LTD