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Thermal treatment method of aluminum alloy

A heat treatment method and aluminum alloy technology, applied in heat treatment equipment, heat treatment process control, manufacturing tools, etc., to achieve the effects of avoiding overheating of aluminum alloy, preventing overheating of aluminum alloy, and uniform aging treatment

Active Publication Date: 2011-04-27
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a heat treatment method for aluminum alloy, through which, uniform aging treatment is performed on the aluminum alloy coil, so as to prevent the problem of damage to the surface of the aluminum alloy caused by the sheet aging treatment

Method used

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  • Thermal treatment method of aluminum alloy
  • Thermal treatment method of aluminum alloy
  • Thermal treatment method of aluminum alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0024] An embodiment of an aluminum alloy heat treatment method of the present invention includes:

[0025] Place the aluminum alloy coil in the heat treatment furnace;

[0026] The aluminum alloy coil includes a coil inner ring, a coil outer ring, and two opposite first and second end faces connecting the coil inner ring and the coil outer ring, and the first end face is provided with The first temperature measuring device is provided with a second temperature measuring device on the second end face;

[0027] Raise the temperature of the heat treatment furnace according to the first target temperature of the heat treatment furnace, and when the high temperature of the two temperature measuring devices reaches the first predetermined temperature, raise the temperature of the heat treatment furnace according to the second target temperature of the heat treatment furnace; When the low temperature measured by the two temperature measuring devices reaches the second predetermined...

Embodiment 1

[0039] The aluminum alloy coil is a 7055 aluminum alloy coil with an outer diameter of 1.5m and an inner diameter of 0.5m. A temperature measuring hole is processed on the two ends of the aluminum alloy coil. The two temperature measuring holes are connected with the aluminum alloy coil. The distance between the inner rings of the materials is 60mm, and then the first K-type thermocouple and the second K-type thermocouple are respectively inserted into the two temperature measuring holes, and the two temperature measuring holes are sealed with asbestos cloth to prevent the The K-type thermocouple is in contact with the hot air in the heat treatment furnace;

[0040] Place the aluminum alloy coil with the thermocouple inserted in the heat treatment furnace;

[0041] The first target temperature is 200°C, the second target temperature is 180°C, the first predetermined temperature is 140°C, and the second predetermined temperature is 160°C;

[0042] Heat up the heat treatment fu...

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Abstract

The invention provides a thermal treatment method of an aluminum alloy. An aluminum alloy coiled material is placed in a thermal treatment furnace; the aluminum alloy coiled material comprises a coiled material inner ring, a coiled material outer ring and two opposite first end surface and second end surface connected with the coiled material inner ring and the coiled material outer ring; a firsttemperature measuring device is arranged on the first end surface and a second temperature measuring device is arranged on the second end surface; the temperature of the thermal treatment furnace is raised according to first target temperature of the thermal treatment furnace, when the high temperature measured by the two temperature measuring devices reaches first predetermined temperature, the temperature of the thermal treatment furnace is raised according to second target temperature of the thermal treatment furnace; when the low temperature in the temperature measured by the two temperature measuring devices reaches second predetermined temperature, the aluminum alloy coiled material is subjected to time effect treatment in the thermal treatment furnace according to the second predetermined temperature, and the first target temperature is higher than the second target temperature while the first predetermined temperature is lower than the second predetermined temperature. The aluminum alloy coiled material can perform even time effect treatment according to the invention.

Description

technical field [0001] The invention relates to a metal heat treatment method, in particular to an aluminum alloy heat treatment method. Background technique [0002] During the preparation process of aluminum alloy sheet, aging treatment is required to improve its mechanical properties. In the prior art, when preparing 6000-series and 7000-series aluminum alloys, the sheet method is usually used for artificial aging, please refer to figure 1 , is a schematic diagram of performing sheet aging treatment on an aluminum alloy plate in the prior art. [0003] Such as figure 1 As shown, during the aging treatment, multiple aluminum alloy plates 101 are placed in the heat treatment furnace 21. In order to ensure that each aluminum alloy plate is heated evenly, it is necessary to leave a gap between each plate, so that the hot air in the heat treatment furnace can Circulation between the plates, so that the aluminum alloy plate can be fully heated, and the mechanical properties ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22F1/04C21D11/00
Inventor 周劲王华春
Owner SOUTHWEST ALUMINUM GRP