5005 aluminum alloy for high compressive strength handle and preparation method thereof

A compressive strength, aluminum alloy technology, applied in the field of 5005 aluminum alloy for high compressive strength handles and its preparation, can solve the problems of handle bending deformation, poor compressive strength, easy to clip to the refrigerator handle, etc., to achieve compressive strength Improve, save cost, save material effect

Active Publication Date: 2019-11-05
ALNAN ALUMINIUM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned aluminum alloy handles have the problem of poor compressive strength.
The handle made of the above-mentioned aluminum alloy is installed behind the refrigerator. When the refrigerator is lifted by a manipulator crane, it is easy to pinch the handle of the refrigerator, causing the handle to be bent and deformed.

Method used

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  • 5005 aluminum alloy for high compressive strength handle and preparation method thereof
  • 5005 aluminum alloy for high compressive strength handle and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Percentage by weight: Mg: 1.1%, Si: 0.17%, Fe: 0.01%, Cr: 0.01%, Mn≤0.02%, Zn≤0.03%, Cu≤0.02%, individual content of other impurity elements≤0.02%, others The total content of impurity elements is less than or equal to 0.15%, and the balance is Al. The ingredients are prepared and prepared according to the following steps:

[0027] (1) Smelting: put aluminum ingots with a purity of 99.75% or more into the melting furnace, and add magnesium ingots and aluminum-silicon intermediate alloys in proportion. Send it into the melting furnace and move slowly in the melting furnace until the magnesium ingot is completely melted. The furnace charge is heated and melted in the melting furnace and stirred for 20-30 minutes. After sampling and analysis of components, it is transferred to the holding furnace. The melting temperature is 700-750 ° C. Melting time is 7-8 hours;

[0028] (2) Refining: Refining the molten aluminum in the holding furnace, inserting the blowing head of the ...

Embodiment 2

[0034]Percentage by weight: Mg: 1.2%, Si: 0.20%, Fe: 0.02%, Cr: 0.01-0.03%, Mn≤0.02%, Zn≤0.03%, Cu≤0.02%, other impurity elements single content≤0.02% , the total content of other impurity elements ≤ 0.15%, the balance is Al, carry out batching, and prepare according to the following steps:

[0035] (1) Smelting: put aluminum ingots with a purity of 99.75% or more into the melting furnace, and add magnesium ingots and aluminum-silicon intermediate alloys in proportion. Send it into the melting furnace and move slowly in the melting furnace until the magnesium ingot is completely melted. The furnace charge is heated and melted in the melting furnace and stirred for 20-30 minutes. After sampling and analysis of components, it is transferred to the holding furnace. The melting temperature is 700-750 ° C. Melting time is 7-8 hours;

[0036] (2) Refining: Refining the molten aluminum in the holding furnace, inserting the blowing head of the rotary blowing and degassing device into...

Embodiment 3

[0042] Percentage by weight: Mg: 1.25%, Si: 0.22%, Fe: 0.03%, Cr: 0.01-0.03%, Mn≤0.02%, Zn≤0.03%, Cu≤0.02%, other impurity elements single content≤0.02% , the total content of other impurity elements ≤ 0.15%, the balance is Al, carry out batching, and prepare according to the following steps:

[0043] (1) Smelting: put aluminum ingots with a purity of 99.75% or more into the melting furnace, and add magnesium ingots and aluminum-silicon intermediate alloys in proportion. Send it into the melting furnace and move slowly in the melting furnace until the magnesium ingot is completely melted. The furnace charge is heated and melted in the melting furnace and stirred for 20-30 minutes. After sampling and analysis of components, it is transferred to the holding furnace. The melting temperature is 700-750 ° C. Melting time is 7-8 hours;

[0044] (2) Refining: Refining the molten aluminum in the holding furnace, inserting the blowing head of the rotary blowing and degassing device in...

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Abstract

The invention relates to a 5005 aluminum alloy for a high compressive strength handle and a preparing method. The 5005 aluminum alloy and the preparing method are characterized by comprising the chemical constituents including, by weight, 1.1%-1.3% of Mg, 0.17%-0.24% of Si, 0.01%-0.05% of Fe, 0.01%-0.03% of Cr, not larger than 0.02% of Mn, not larger than 0.03% of Zn, not larger than 0.02% of Cu,not larger than 0.02% of single contents of other impurity elements, not larger than 0.15% of the total content of the other impurity elements and the balance Al. According to the aluminum alloy handle, the contents of magnesium and silicon are increased, the content, the preparing process and the parameter of other total elements are adjusted, the compressive strength of the aluminum alloy handleis greatly improved, compression resistance tests capable of bearing 200 pounds can be achieved without deformation, the wall thickness of the prepared aluminum alloy handle is smaller, materials aresaved, and cost is saved.

Description

technical field [0001] The invention relates to the technical field of 5-series aluminum alloy processing, in particular to a 5005 aluminum alloy for high compressive strength handles suitable for household appliances such as refrigerators, freezers, and microwave ovens, and a preparation method thereof. Background technique [0002] The handles of traditional refrigerators, freezers, microwave ovens and other home appliances are mainly pure plastic components, stainless steel or copper components, aluminum alloy and plastic composite components, etc. The pure plastic components are not strong enough, easy to age, and easy to deform at high temperatures; stainless steel or copper components Component materials are in short supply and the production cost is high; aluminum alloy and plastic composite components need to be connected or the strength of the adhesive is good to ensure the service life. [0003] Aluminum and aluminum alloy materials have excellent properties such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22F1/047C22C1/03C22C1/06
CPCC22C1/026C22C1/03C22C1/06C22C21/08C22F1/047
Inventor 谭崇雷素萍林秋仲张志军韦凯黄玉印潘文
Owner ALNAN ALUMINIUM CO LTD
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