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A kind of door and window aluminum alloy material with strong corrosion resistance and its heat treatment process

An aluminum alloy material and corrosion-resistant technology, applied in the field of doors and windows, can solve problems such as increased cost, short service life, and harsh use environment, and achieve the effects of increasing fluidity, reducing processing costs, and improving process performance

Inactive Publication Date: 2016-12-07
SUZHOU JIN YUAN OIL MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increasing requirements for high-strength aluminum alloys in various industries, a series of requirements for high load, light weight, high strength, high toughness, high modulus, good corrosion resistance and welding performance have been put forward, and the application of aluminum alloys The scope is getting wider and wider, and it plays a vital role in all walks of life. However, the current environment of aluminum alloys is getting worse and worse, especially in environments with corrosive gases, the service life is very short, and the cost is increased.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] This embodiment provides a door and window aluminum alloy material with strong corrosion resistance. The mass percentage of the chemical composition of the aluminum alloy material is: V: 0.02%, Si: 12.3%, Cu: 3.24%, Mg: 1.32%, Mn: 5.42% , Cr: 1.13%, Ni: 14.3%, B: 0.012%, Ca: 0.011%, Zn: 12.5%, rare earth: 2.35%, the rest is Al and trace impurities; rare earth contains the following components by weight percentage: La : 9.2%, Tm: 7.5%, Dy: 15.8%, Yb: 17.5%, Nd: 11.7%, Sm: 5.1%, Eu: 3.15%, and the balance is Ce; this embodiment also provides strong corrosion resistance The heat treatment process of aluminum alloy materials for doors and windows, the process is carried out in the following steps:

[0018] Step (1): First put the pure aluminum ingot into the boiler to melt, keep the temperature at 450°C for 30 minutes, remove impurities and deoxidize, then raise the furnace temperature to 550°C, add alloy materials and rare earth, then heat to 600°C, keep warm 2h;

[0019...

Embodiment 2

[0023] This embodiment provides a door and window aluminum alloy material with strong corrosion resistance. The mass percentage of the chemical composition of the aluminum alloy material is: V: 0.04%, Si: 12.5%, Cu: 3.28%, Mg: 1.34%, Mn: 5.45% , Cr: 1.15%, Ni: 14.5%, B: 0.015%, Ca: 0.013%, Zn: 12.8%, rare earth: 2.38%, the rest is Al and trace impurities; rare earth contains the following components by weight percentage: La : 9.5%, Tm: 7.8%, Dy: 16.2%, Yb: 17.8%, Nd: 11.9%, Sm: 5.3%, Eu: 3.18%, and the balance is Ce; this embodiment also provides strong corrosion resistance The heat treatment process of aluminum alloy materials for doors and windows, the process is carried out in the following steps:

[0024] Step (1): First put the pure aluminum ingot into the boiler and melt it at 480°C for 45 minutes to remove impurities and deoxidize, then raise the furnace temperature to 580°C, add alloy materials and rare earths, then heat to 610°C and keep warm 3h;

[0025] Step (2): ...

Embodiment 3

[0029] This embodiment provides a door and window aluminum alloy material with strong corrosion resistance. The mass percentage of the chemical composition of the aluminum alloy material is: V: 0.03%, Si: 12.4%, Cu: 3.25%, Mg: 1.33%, Mn: 5.44% , Cr: 1.14%, Ni: 14.4%, B: 0.013%, Ca: 0.012%, Zn: 12.7%, rare earth: 2.36%, the rest is Al and trace impurities; rare earth contains the following components by weight percentage: La : 9.3%, Tm: 7.7%, Dy: 15.9%, Yb: 17.7%, Nd: 11.8%, Sm: 5.2%, Eu: 3.16%, and the balance is Ce; this embodiment also provides strong corrosion resistance The heat treatment process of aluminum alloy materials for doors and windows, the process is carried out in the following steps:

[0030] Step (1): First put pure aluminum ingots into the boiler to melt, keep the temperature at 470°C for 42 minutes, remove impurities and deoxidize, then raise the furnace temperature to 555°C, add alloy materials and rare earths, then heat to 605°C, keep warm 2.5 hours;

[0...

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PUM

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Abstract

The invention discloses a door and window aluminum alloy material with strong corrosion resistance. The mass percentage of the chemical composition of the aluminum alloy material is: V: 0.02-0.04%, Si: 12.3-12.5%, Cu: 3.24-3.28%, Mg: 1.32 ‑1.34%, Mn: 5.42‑5.45%, Cr: 1.13‑1.15%, Ni: 14.3‑14.5%, B: 0.012‑0.015%, Ca: 0.011‑0.013%, Zn: 12.5‑12.8%, rare earth: 2.35‑ 2.38%, the rest is Al and trace impurities; the corrosion-resistant aluminum alloy material for doors and windows not only has a long service life, but also has high strength, good safety, and strong friction and corrosion resistance; and provides advanced heat treatment process , can not only reduce the processing cost, shorten the processing cycle, but also improve the quality of the product.

Description

technical field [0001] The invention relates to the field of doors and windows, in particular to an aluminum alloy material for doors and windows with strong corrosion resistance and a heat treatment process thereof. Background technique [0002] With the increasing requirements for high-strength aluminum alloys in various industries, a series of requirements for high load, light weight, high strength, high toughness, high modulus, good corrosion resistance and welding performance have been put forward, and the application of aluminum alloys The scope is getting wider and wider, and it plays a vital role in all walks of life. However, the current environment of aluminum alloys is getting worse and worse, especially in environments with corrosive gases, the service life is very short, and the cost is increased. . Contents of the invention [0003] The technical problem to be solved by the present invention is to propose a highly corrosion-resistant aluminum alloy material ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C1/02C22F1/04
CPCC22C1/026C22C21/00C22F1/04
Inventor 张丽华
Owner SUZHOU JIN YUAN OIL MACHINERY