Nickel-sealing anodized aluminum alloy section bar

An aluminum alloy profile and anodizing technology, applied in the field of metal materials, can solve the problems of high energy consumption of boiling water sealing, environmental pollution caused by chromium salt sealing, etc., and achieve the effects of reducing adverse effects, eliminating harmful effects, and refining recrystallized grains

Inactive Publication Date: 2016-01-06
ANHUI XIN FA ALUMINUM PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the sealing technologies for anodized aluminum alloy profiles mainly include boiling water sealing and chromate sealing, but boiling water sealing consumes a lot of energy, and chromium salt sealing causes serious environmental pollution, which requires continuous improvement

Method used

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  • Nickel-sealing anodized aluminum alloy section bar
  • Nickel-sealing anodized aluminum alloy section bar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] S1: weighing each raw material for melting and casting, and homogenizing the ingot obtained by melting and casting;

[0022] S2: Extrusion: Homogenize the ingot obtained in S1, remove the outer skin, and extrude on the hydraulic press. Before extrusion, heat the extrusion cylinder, extrusion die and ingot, and wait for the profile to cool after extrusion. To below 50°C, after stretching and straightening the profile, heat treatment is carried out. The heating method of the extrusion cylinder is: after raising the temperature to 100°C and holding it for 0.7h, then raising the temperature to 200°C and holding it for 0.7h, then raising the temperature to 300°C and holding it After 0.7h, raise the temperature to 400°C and keep it warm for 0.7h, then raise the temperature to 465°C, place the extrusion die in a holding furnace at 470°C for 6 hours for heating, and place the ingot in a holding furnace at 500°C for 1.5 hours for heating , wherein, the deformation amount of stre...

Embodiment 2

[0026] S1: weighing each raw material for melting and casting, and homogenizing the ingot obtained by melting and casting;

[0027] S2: Extrusion: Homogenize the ingot obtained in S1, remove the outer skin, and extrude on the hydraulic press. Before extrusion, heat the extrusion cylinder, extrusion die and ingot, and wait for the profile to cool after extrusion. To below 50°C, after stretching and straightening the profile, heat treatment is carried out. The heating method of the extrusion barrel is: after raising the temperature to 95°C and holding it for 1 hour, then raising the temperature to 195°C and holding it for 1 hour, then raising the temperature to 295°C and holding it for 1 hour After raising the temperature to 395°C and holding it for 1 hour, the temperature was raised to 450°C, the extrusion die was placed in a holding furnace at 450°C for 8 hours for heating, and the ingot was placed in a holding furnace for 1.2 hours at 460°C for heating. The deformation of str...

Embodiment 3

[0031] S1: weighing each raw material for melting and casting, and homogenizing the ingot obtained by melting and casting;

[0032]S2: Extrusion: Homogenize the ingot obtained in S1, remove the outer skin, and extrude on the hydraulic press. Before extrusion, heat the extrusion cylinder, extrusion die and ingot, and wait for the profile to cool after extrusion. To below 50°C, after stretching and straightening the profile, heat treatment is carried out. The heating method of the extrusion barrel is as follows: after raising the temperature to 105°C and holding it for 0.5h, then raising the temperature to 205°C and holding it for 0.5h, then raising the temperature to 305°C and holding it After 0.5h, the temperature was raised to 405°C and held for 0.5h, then the temperature was raised to 480°C, the extrusion die was placed in a holding furnace at 500°C for 4 hours for heating, and the ingot was placed in a holding furnace for 2 hours at 450°C for heating. Among them, the deform...

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Abstract

The invention discloses a nickel-sealing anodized aluminum alloy section bar and relates to the field of metal materials. The aluminum alloy section bar consists of the following components in percentage by weight: 0.75-0.90% of Mg, 0.5-0.6% of Si, 0.10-0.14% of Cu, 0.20-0.25% of Mn, 0-0.1% of Ti, 0-0.1% of Cr, 0.1-0.3% of Fe, 0.20-0.28% of Zn and the balance of Al. According to the aluminum alloy section bar material disclosed by the invention, alloy components are optimized, and melting-casting, homogenizing, extruding, thermal treatment and surface treatment in a production process are optimized, so that mechanical properties and surface film layer quality of the section bar are effectively improved.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to a nickel salt sealed anodized aluminum alloy profile. Background technique [0002] The advantages of sliding windows are simplicity, beauty, large window width, large glass block, wide field of view, high lighting rate, convenient glass cleaning, flexible use, safety and reliability, long service life, open in one plane, occupy less space, and install screen windows conveniently Wait. At present, sliding windows are the most widely used in doors and windows. Compared with other metal profiles, aluminum alloy profiles have the advantages of light weight, aesthetics and economy. At present, sliding windows are mainly made of aluminum alloy profiles, and the surface of aluminum alloy profiles is widely used. Anodizing technology Treatment to improve its corrosion resistance, wear resistance and surface hardness. The oxide film obtained after anodizing the aluminum alloy surface has ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22F1/047C25D11/04C25D11/18
Inventor 周风华
Owner ANHUI XIN FA ALUMINUM PROD
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