High-thermal-conductivity die-casting aluminum alloy material and manufacturing method thereof

A technology of casting aluminum alloy and high thermal conductivity, which is applied in the field of aluminum alloy materials, can solve problems such as inability to meet the requirements of technological development, and achieve the effect of reasonable composition ratio and good heat dissipation effect

Active Publication Date: 2018-06-08
GUANGZHOU ZHIYUAN ALLOY PROD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The single performance in the past can no longer meet the development requirements of technology

Method used

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  • High-thermal-conductivity die-casting aluminum alloy material and manufacturing method thereof
  • High-thermal-conductivity die-casting aluminum alloy material and manufacturing method thereof

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preparation example Construction

[0034] The present invention also provides a method for preparing a high thermal conductivity die-casting aluminum alloy material, comprising the following steps:

[0035] (1) Put aluminum ingot and nickel element additive into melting furnace, heat it to melt into metal solution;

[0036] (2) When the temperature reaches 830°C-860°C, add iron element additives to the metal solution to completely melt and complete the alloying;

[0037] (3) cooling the metal solution to 780-800°C;

[0038] (4) adding scouring agent for refining purification and slag removal;

[0039] (5) adding magnesium element additive, and adjusting the weight ratio of magnesium and silicon;

[0040] (6) add lanthanum rare earth additive and carry out deterioration;

[0041] (7) Cast aluminum alloy ingots with the temperature of the molten aluminum in the range of 770-780°C.

[0042] The high thermal conductivity die-casting aluminum alloy material of the embodiment of the present invention has a reason...

Embodiment 1

[0047] Raw material ratio, calculated by weight percentage: silicon, 0.0782% content; iron, 1.055% content; copper, 0.0064% content; manganese, 0.0002% content; magnesium, 0.0028% content, zinc, 0.038% content , nickel, content 0.547%; lanthanum, content 0.18%, cobalt, content ≤0.0001%; ​​lead, content ≤0.00068%; tin, content ≤0.00096%; cadmium, content ≤0.0001%; More than 0.3%; the balance is aluminum.

[0048] Prepare the alloy according to the above ratio, and the steps are as follows:

[0049] Put aluminum ingots and nickel element additives into the melting furnace, heat it to melt it into a metal solution, and make the temperature of the metal solution reach 830°C, then add iron element additives to the molten metal to completely melt and complete the alloying; then cool down to 790°C, then add scouring agent for refining purification and slag removal; use nitrogen to degas the metal solution, then take samples of the metal solution to check the composition, add magnesi...

Embodiment 2

[0051] Raw material ratio, calculated by weight percentage: silicon, content 0.0463%; iron, content 0.9367%; copper, content 0.0017%; manganese, content 0.0347%; magnesium, content 0.0022%, zinc, content 0.0155% , nickel, content 0.4623%; lanthanum, content 0.165%; cobalt, content ≤0.0001%; ​​lead, content ≤0.00089%; tin, content ≤0.0001%; ​​cadmium, content ≤0.0001%; More than 0.3%; the balance is aluminum.

[0052] Prepare the alloy according to the above ratio, and the steps are as follows:

[0053] Put aluminum ingots and nickel element additives into the melting furnace, heat it to melt it into a metal solution, and make the temperature of the metal solution reach 830°C, then add iron element additives to the molten metal to completely melt and complete the alloying; then cool down to 790°C, then add scouring agent for refining purification and slag removal; use nitrogen to degas the metal solution, then take samples of the metal solution to check the composition, add ma...

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Abstract

The invention provides a high-thermal-conductivity die-casting aluminum alloy material. The high-thermal-conductivity die-casting aluminum alloy material comprises aluminum and further comprises, by weight, 0.8-1.8% of iron, 0.2-0.8% of nickel, 0.1-0.4% of lanthanum, less than 0.2% of silicon and less than 0.2% of magnesium, wherein the weight ratio of magnesium to silicon is 0.02-0.07:1. The high-thermal-conductivity die-casting aluminum alloy material is reasonable in component proportion and has a good heat dissipation effect.

Description

technical field [0001] The invention belongs to the field of aluminum alloy materials, and in particular relates to a high thermal conductivity die-casting aluminum alloy material and a preparation method thereof. Background technique [0002] Aluminum alloy is a multi-performance material that is conducive to the lightweight of equipment. By adjusting the composition of various elements, aluminum alloys can have different properties such as high thermal conductivity, high electrical conductivity, high yield strength, high tensile strength, corrosion resistance, high toughness, and high hardness. It is widely used in communication, automobile, transportation, power and aerospace and other fields. With the continuous development of science and technology, high-tech has higher and higher requirements for materials. The single performance in the past can no longer meet the development requirements of technology. The current aluminum alloy materials not only have strict requi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/02
CPCC22C1/026C22C21/00
Inventor 李新豪陈苏坚李升李旭涛陈定贤
Owner GUANGZHOU ZHIYUAN ALLOY PROD CO LTD
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