Novel aluminum alloy door and window sectional material and preparation method thereof

A new type of technology for aluminum alloy doors and windows, applied in coatings, anti-corrosion coatings, polyester coatings, etc., can solve the problems of shortening the service life of aluminum alloy profiles, poor vibration and noise reduction, and lack of vibration and noise reduction. , to achieve the effects of improving comprehensive performance, reducing coarse undissolved crystalline phase, and excellent fatigue resistance

Inactive Publication Date: 2018-08-24
合肥市旺友门窗有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The existing aluminum alloys are mainly doped with the following chemical components: magnesium, iron, manganese, titanium, copper, zinc, nickel, chromium, etc. In practical applications, their vibration and noise reduction properties are not very good, and the aluminum alloys made of them are not very good. Alloy doors and windows are affected by wind pressure and impact noise during push and pull or opening and closing. and the influence of humidity changes, and it is easily oxidized and corroded in the air, resulting in discoloration and deformation of aluminum alloy profiles for doors and windows, shortening the service life of aluminum alloy profiles
Therefore, the surface treatment of aluminum alloy profiles is usually carried out. The existing surface treatment processes of aluminum alloy profiles include anodic oxidation, electrolytic coloring, electrophoretic painting, powder spraying, fluorocarbon paint spraying, wire drawing, etc. These surface treatment processes only start It has a certain corrosion resistance effect, does not have certain vibration and noise reduction characteristics, and cannot meet the high requirements of today's people on the performance of aluminum alloy profiles.

Method used

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  • Novel aluminum alloy door and window sectional material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A new aluminum alloy door and window profile, including the following chemical composition by weight percentage: Fe: 0.21%, Mn: 0.62%, Ti: 0.11%, Cu: 0.03%, Mg: 0.54%, Co: 0.85%, Sb: 0.46%, Te: 0.01%, Mo: 0.72%, Zr: 0.07%, Nb: 0.16%, Sc: 0.05%, Ce: 0.006%, N: 0.005%, and the balance is Al.

[0035] The preparation method of this novel aluminum alloy door and window profile is carried out according to the following steps:

[0036] (1) First put the scrap aluminum in the smelting furnace, heat the furnace to 720°C, and after it is completely melted, keep the molten aluminum for 35 minutes; then heat it at a heating rate of 10°C / s, and use nitrogen to push other alloys and powders The raw materials are added to the melting furnace for melting, and after the melting is completed, keep warm for 1.5 hours;

[0037] (2) Cool down the molten aluminum alloy obtained in step (1) to 680°C at a rate of 4°C / min, spray the refining agent after holding it for 15 minutes, then raise t...

Embodiment 2

[0053] A new aluminum alloy door and window profile, including the following chemical composition by weight percentage: Fe: 0.24%, Mn: 0.66%, Ti: 0.13%, Cu: 0.045%, Mg: 0.56%, Co: 0.95%, Sb: 0.49%, Te: 0.02%, Mo: 0.75%, Zr: 0.09%, Nb: 0.20%, Sc: 0.10%, Ce: 0.008%, N: 0.003%, and the balance is Al.

[0054] The preparation method of this novel aluminum alloy door and window profile is carried out according to the following steps:

[0055] (1) First put the scrap aluminum in the smelting furnace, heat the furnace to 730°C, and after it is completely melted, keep the molten aluminum for 40 minutes; then heat it at a heating rate of 10°C / s, and use nitrogen to push other alloys and powders The raw materials are added to the melting furnace for melting, and after the melting is completed, keep warm for 2 hours;

[0056] (2) Cool down the aluminum alloy melt obtained in step (1) to 685°C at a rate of 6°C / min, spray the refining agent after holding it for 18 minutes, then raise the ...

Embodiment 3

[0072] A new aluminum alloy door and window profile, including the following chemical composition by weight percentage: Fe: 0.27%, Mn: 0.70%, Ti: 0.15%, Cu: 0.06%, Mg: 0.58%, Co: 1.05%, Sb: 0.52%, Te: 0.03%, Mo: 0.78%, Zr: 0.11%, Nb: 0.24%, Sc: 0.15%, Ce: 0.01%, N: 0.005%, and the balance is Al.

[0073] The preparation method of this novel aluminum alloy door and window profile is carried out according to the following steps:

[0074] (1) Put the scrap aluminum in the smelting furnace first, heat the furnace to 740°C, and after it is completely melted, keep the molten aluminum for 45 minutes; then heat it at a heating rate of 15°C / s, and use nitrogen to push other alloys and powders The raw materials are added to the melting furnace for melting, and after the melting is completed, keep warm for 2 hours;

[0075] (2) Cool down the aluminum alloy melt obtained in step (1) to 690°C at a rate of 8°C / min, spray the refining agent after holding it for 20 minutes, then raise the te...

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Abstract

The invention discloses a novel aluminum alloy door and window sectional material and a preparation method of the novel aluminum alloy door and window sectional material and relates to the technical field of metal door and window materials. The sectional material comprises the following chemical ingredients of Fe, Mn, Ti, Cu, Mg, Co, Sb, Te, Mo, Zr, Nb, Sc, Ce, N and Al. The preparation method comprises the steps of smelting, refining, homogenization treatment, squeezing and aging of waste aluminum and alloy and powder raw materials. The preparation method of the aluminum alloy door and windowsectional material is simple and convenient, and a finished product of the sectional material has excellent vibration attenuation and noise reduction, mechanical strength, flame retardance and heat insulation, corrosion resistance and oxidation resistance, structural stability and the like and is wide in application and long in service life.

Description

technical field [0001] The invention relates to the technical field of metal door and window materials, in particular to a novel aluminum alloy door and window profile and a preparation method thereof. Background technique [0002] The existing aluminum alloys are mainly doped with the following chemical components: magnesium, iron, manganese, titanium, copper, zinc, nickel, chromium, etc. In practical applications, their vibration and noise reduction properties are not very good, and the aluminum alloys made of them are not very good. Alloy doors and windows are affected by wind pressure and impact noise during push and pull or opening and closing. And the influence of humidity changes, but it is easily oxidized and corroded in the air, resulting in discoloration and deformation of aluminum alloy profiles for doors and windows, and shortening the service life of aluminum alloy profiles. Therefore, the surface treatment of aluminum alloy profiles is usually carried out. The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/02C22C1/06C22F1/04C09D133/00C09D167/06C09D123/08C09D5/08C09D7/61
Inventor 朱明超
Owner 合肥市旺友门窗有限公司
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