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A kind of aluminum alloy material and preparation method thereof

A technology for aluminum alloy materials and raw materials, applied in the field of aluminum alloy materials and their preparation, can solve the problems of low tensile strength and yield strength, and reduced surface gloss, and achieve the advantages of weakening mechanical properties, reducing linear shrinkage, and shortening life. Effect

Active Publication Date: 2021-03-09
广东润盛科技材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Compared with the primary aluminum alloy, the existing secondary aluminum alloy has lower tensile strength and yield strength, and the surface gloss is greatly reduced. It is difficult for the existing secondary aluminum alloy to replace the primary aluminum alloy for normal use.

Method used

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  • A kind of aluminum alloy material and preparation method thereof
  • A kind of aluminum alloy material and preparation method thereof
  • A kind of aluminum alloy material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] An aluminum alloy material, which is formed by mixing waste aluminum and component A at a weight ratio of 8:1-3;

[0035] In the aluminum waste, the iron content accounts for 0.3wt% of the total aluminum waste, the zinc content accounts for 0.2wt% of the total aluminum waste, the copper content accounts for 0.2wt% of the total aluminum waste, and the aluminum content accounts for 0.2% of the total aluminum waste. 87.0wt%;

[0036] Described component A comprises the raw material of following percentage by weight:

[0037]

[0038] The preparation method of the above-mentioned aluminum alloy material comprises the following steps:

[0039] (S1), take each raw material in proportion, and set aside;

[0040] (S2), using acetone to clean the waste aluminum, then using hydrochloric acid with a concentration of 15wt% to clean the waste aluminum, then rinsing with water for 45 seconds, and drying to obtain pretreated waste aluminum;

[0041] (S3), after mixing the raw ma...

Embodiment 2

[0049] An aluminum alloy material, which is formed by mixing waste aluminum and component A at a weight ratio of 8:1;

[0050] In the aluminum waste, iron content accounts for 1.0wt% of the total amount of aluminum waste, zinc content accounts for 0.3wt% of the total amount of aluminum waste, copper content accounts for 0.3wt% of the total amount of aluminum waste, and aluminum content accounts for 20% of the total amount of aluminum waste. 80.0wt%;

[0051] Described component A comprises the raw material of following percentage by weight:

[0052]

[0053]

[0054] The preparation method of the above-mentioned aluminum alloy material comprises the following steps:

[0055] (S1), take each raw material in proportion, and set aside;

[0056] (S2), using acetone to clean the waste aluminum, then using hydrochloric acid with a concentration of 10wt% to clean the waste aluminum, then rinsing with water for 30 seconds, and drying to obtain pretreated waste aluminum;

[00...

Embodiment 3

[0065] An aluminum alloy material, which is formed by mixing scrap aluminum and component A at a weight ratio of 8:3;

[0066] In the aluminum waste, the iron content accounts for 0.08wt% of the total aluminum waste, the zinc content accounts for 0.1wt% of the total aluminum waste, the copper content accounts for 0.1wt% of the total aluminum waste, and the aluminum content accounts for 0.1% of the total aluminum waste. 90.0wt%;

[0067] Described component A comprises the raw material of following percentage by weight:

[0068]

[0069]

[0070] The preparation method of the above-mentioned aluminum alloy material comprises the following steps:

[0071] (S1), take each raw material in proportion, and set aside;

[0072] (S2), using acetone to clean the waste aluminum, then using hydrochloric acid with a concentration of 20wt% to clean the waste aluminum, then rinsing with water for 60 seconds, and drying to obtain pretreated waste aluminum;

[0073] (S3), after mixing...

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Abstract

The invention relates to the technical field of secondary aluminum, in particular to an aluminum alloy material and a preparation method thereof. The aluminum alloy material is prepared from waste aluminum and a component A in a weight ratio of 8: 1. In the waste aluminum, the iron content is less than 1.0 wt% of the total amount of the waste aluminum, the zinc content is less than 0.3 wt% of thetotal amount of the waste aluminum, the copper content is less than 0.3 wt% of the total amount of the waste aluminum, and the aluminum content is more than 80.0 wt% of the total amount of the waste aluminum. The component A comprises the following raw materials in percentage by weight: 0.2-0.6% of silicon, 0.45-0.9% of magnesium, 0.01-0.08% of manganese, 0.01-0. 08% of nickel, 0.01-0.08% of chromium, 0.005-0.01% of scandium, and the balance of aluminum and impurities, wherein the sum of impurities is less than or equal to 0.15%. Compared with the existing primary aluminum alloy, the aluminumalloy material has equivalent tensile strength, yield strength and glossiness, and is lower in production cost.

Description

technical field [0001] The invention relates to the technical field of recycled aluminum, in particular to an aluminum alloy material and a preparation method thereof. Background technique [0002] Recycled aluminum is an aluminum alloy or aluminum metal obtained by re-melting and refining waste aluminum and aluminum alloy materials or aluminum-containing waste materials. It is an important source of metal aluminum. Secondary aluminum comes mainly in the form of aluminum alloys. [0003] Compared with the primary aluminum alloy, the existing secondary aluminum alloy has lower tensile strength and yield strength, and the surface gloss is greatly reduced. It is difficult for the existing secondary aluminum alloy to replace the primary aluminum alloy for normal use. Contents of the invention [0004] In order to overcome the shortcomings and deficiencies in the prior art, the object of the present invention is to provide a high-strength, high-gloss aluminum alloy material. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22C1/03C22C1/06
CPCC22C1/026C22C1/03C22C1/06C22C21/08
Inventor 程红陈湘李子俊
Owner 广东润盛科技材料有限公司
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