Extrusion casting aluminum alloy material and preparation method thereof

An aluminum alloy material, squeeze casting technology, applied in the field of aluminum alloy material, to achieve the effect of high tensile strength

Active Publication Date: 2018-04-20
GUANGZHOU ZHIYUAN ALLOY PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For relatively high mechanical performance requirements, the existing ADC12 alloy cannot meet the requirements of either die casting or squeeze casting.

Method used

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  • Extrusion casting aluminum alloy material and preparation method thereof

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preparation example Construction

[0032] The present invention also provides a method for preparing the above squeeze-casting aluminum alloy material, comprising the following steps:

[0033] (1) Put aluminum ingots and silicon into the furnace, and heat them to melt them into molten metal;

[0034] (2) When the temperature of the molten metal reaches 800°C-880°C, add manganese element additives, iron element additives and copper element additives;

[0035] (3) cooling the molten metal to 760-780°C;

[0036] (4) adding refining agent for refining purification and slag removal;

[0037] (5) adding magnesium and making it melt, then adding a small amount of antimony element additives to modify the quality, to obtain molten aluminum;

[0038] (6) Cast aluminum alloy ingots at a temperature of the molten aluminum in the range of 740-760°C.

[0039] The extrusion casting aluminum alloy material of the present invention has good tensile strength, yield strength and hardness after extrusion casting, and can meet b...

Embodiment 1

[0043] Raw material ratio, calculated by weight percentage: silicon, content 11.06%; iron, content 0.165%; copper, content 2.75%; manganese, content 0.475%; magnesium, content 0.494%, zinc, content 0.0695% , lead, the content is ≤0.0021%; tin, the content is ≤0.00058%; cadmium, the content is ≤0.00052%; the balance is aluminum.

[0044] Prepare the alloy according to the above ratio, and the steps are as follows:

[0045] Put aluminum ingots and silicon into the melting furnace, and heat them to melt into a metal solution, so that the temperature of the metal solution reaches 830°C; in the metal solution, manganese element additives, iron element additives and copper element additives are alloyed to make them completely melted Cool down the molten metal to 770°C, then add refining agents for refining, purification, and slag removal; then add magnesium and melt it, use nitrogen to degas the metal solution, then take samples of the metal solution to check the composition, and th...

Embodiment 2

[0047] Raw material ratio, calculated by weight percentage: silicon, content 10.87%; iron, content 0.189%; copper, content 2.75%; manganese, content 0.472%; magnesium, content 0.472%, zinc, content 0.0689% , lead, the content is ≤0.0026%; tin, the content is ≤0.00065%; cadmium, the content is ≤0.00060%; the balance is aluminum.

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

[0049] Put aluminum ingots and silicon into the melting furnace, and heat them to melt into a metal solution, so that the temperature of the metal solution reaches 830°C; in the metal solution, manganese element additives, iron element additives and copper element additives are alloyed to make them completely melted Cool down the molten metal to 770°C, then add refining agents for refining, purification, and slag removal; then add magnesium and melt it, use nitrogen to degas the metal solution, then take samples of the metal solution to check the composition, and th...

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Abstract

The invention provides an extrusion casting aluminum alloy material and a preparation method thereof. The extrusion casting aluminum alloy material comprises, by weight, 8%-12% of Si, less than 0.9% of Fe, 1%-4% of Cu, 0.2%-0.8% of Mn, 0.3%-0.8% of Mg, less than 0.35% of Zn, less than or equal to 0.01% of Sn, less than or equal to 0.01% of Cd, and the balance Al, and the total amount of other impurities is not more than 0.3%. The extrusion casting aluminum alloy material has good tensile strength, yield strength and hardness, and thick-wall and thin-wall molding can be simultaneously satisfied.

Description

technical field [0001] The invention belongs to the field of aluminum alloy materials, and in particular relates to a squeeze 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 requirements on their basic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/04C22C1/02C22C1/06
CPCC22C1/026C22C1/06C22C21/04
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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