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Time-efficient reinforced aluminium alloy extrusion

A technology of aluminum alloy profiles and aging strengthening, which is applied in the field of metal materials, can solve the problems that the performance of aging-strengthening aluminum alloy profiles is not optimal, and achieve the effects of eliminating harmful effects, improving comprehensive performance, and optimizing components

Active Publication Date: 2015-07-22
ANHUI XIN FA ALUMINUM PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing technology, the performance of aging-strengthened aluminum alloy profiles is still not optimal, and continuous improvement is still needed

Method used

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  • Time-efficient reinforced aluminium alloy extrusion

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Experimental program
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Effect test

Embodiment 1

[0024] S1: Weighing each raw material for smelting to obtain an ingot;

[0025] S2: Homogenization: Place the ingot obtained in S1 in a holding furnace at 540°C, and keep it at 540°C for 9 hours. After the holding is completed, the holding furnace is cooled to 295°C, and then air-cooled to room temperature;

[0026] S3: Extrusion: Remove the skin of the ingot car obtained in S2, and extrude it on a hydraulic press. Before extrusion, heat the extrusion cylinder, extrusion die and ingot, and cool the profile to 50°C after extrusion Next, stretch and straighten the profile;

[0027] S4: Heat treatment: Place the stretched and straightened profile in S3 in a holding furnace at 150°C within 1 hour, and raise the temperature to 165°C at an average speed of 3°C / h, keep it at 165°C for 3 hours, and then air cool to room temperature , wherein, during the process of the holding furnace rising from 150°C to 165°C, as the temperature rises, the heating rate increases, and the relationshi...

Embodiment 2

[0030] S1: Weighing each raw material for smelting to obtain an ingot;

[0031] S2: Homogenization: Place the cast ingot obtained in S1 in a holding furnace at 580°C, and keep it at 580°C for 7 hours. After the heat preservation is completed, the holding furnace is cooled to 310°C, and then air-cooled to room temperature;

[0032] S3: Extrusion: Remove the skin of the ingot car obtained in S2, and extrude it on a hydraulic press. Before extrusion, heat the extrusion cylinder, extrusion die and ingot, and cool the profile to 50°C after extrusion Next, stretch and straighten the profile;

[0033] S4: Heat treatment: Place the stretched and straightened profile in S3 in a holding furnace at 150°C within 1 hour, and raise the temperature to 165°C at an average speed of 3°C / h, keep it at 165°C for 3 hours, and then air cool to room temperature , wherein, during the process of the holding furnace rising from 150°C to 165°C, as the temperature rises, the heating rate increases, and ...

Embodiment 3

[0036] S1: Weighing each raw material for smelting to obtain an ingot;

[0037] S2: Homogenization: Place the ingot obtained in S1 in a holding furnace at 560°C, and keep it at 560°C for 8 hours. After the holding is completed, the holding furnace is cooled to 295-310°C, and then air-cooled to room temperature;

[0038] S3: Extrusion: Remove the skin of the ingot car obtained in S2, and extrude it on a hydraulic press. Before extrusion, heat the extrusion cylinder, extrusion die and ingot, and cool the profile to 50°C after extrusion Next, stretch and straighten the profile;

[0039] S4: Heat treatment: Place the stretched and straightened profile in S3 in a holding furnace at 150°C within 1 hour, and raise the temperature to 165°C at an average speed of 3°C / h, keep it at 165°C for 3 hours, and then air cool to room temperature , wherein, during the process of the holding furnace rising from 150°C to 165°C, as the temperature rises, the heating rate increases, and the relatio...

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Abstract

The invention discloses a time-efficient reinforced aluminium alloy extrusion, which belongs to the field of a metal material. The aluminium alloy extrusion comprises components, by weight percentage: 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, and 0.20-0.28 of Zn, and is balanced with Al. According to the invention, alloy components are optimized; steps of melting and casting, homogenization, extrusion, thermal treatment, and surface treatment in production technology are optimized; and mechanical properties and the surface film quality are effectively improved.

Description

technical field [0001] The invention relates to the field of metal materials, in particular to an aging-strengthened 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, beautiful appearance and economy. At present, sliding windows are mainly made of aluminum alloy profiles. In the prior art, the performance of aging-strengthened aluminum alloy profiles is still not optimal, and continuous improvement is still needed. [0003] Therefore, how to obtain an excellent aluminum alloy profile by optimizing the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22F1/047
Inventor 郑同志徐士彬
Owner ANHUI XIN FA ALUMINUM PROD
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