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Stabilizing processing technology for 5052 aluminum alloy

A technology for stabilizing aluminum alloys, which is applied in the field of aluminum alloy manufacturing, can solve problems such as unfavorable control and narrow processing window, and achieve the effects of increasing stability, reducing production costs, and stabilizing performance

Inactive Publication Date: 2018-12-25
TIANJIN ZHONGWANG ALUMINUM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, in order to solve the problem that the existing 5052 aluminum alloy processing process window is narrow, which is not conducive to process control in actual production, the present invention provides a stabilization treatment process for 5052 aluminum alloy

Method used

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  • Stabilizing processing technology for 5052 aluminum alloy
  • Stabilizing processing technology for 5052 aluminum alloy
  • Stabilizing processing technology for 5052 aluminum alloy

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A stabilization treatment process for 5052 aluminum alloys, comprising the steps of:

[0029] A. Prepare 5052 aluminum alloy raw materials according to the following ratios in parts by weight:

[0030] element

Si

Fe

Cu

mn

Mg

Cr

Zn

Ti

Impurities

Al

content

0.133

0.309

0.003

0.022

2.356

0.23

0.004

0.019

0.05

margin

[0031] Adding the prepared 5052 aluminum alloy raw materials into a melting furnace for uniform mixing and melting into a liquid aluminum alloy to obtain an aluminum alloy melt;

[0032] B. Refining the aluminum alloy melt at 740°C for 20 minutes, melting and casting the refined aluminum alloy melt into aluminum alloy ingots, during which the aluminum alloy melt is filled into the bottom of the melting furnace High-purity nitrogen gas removes impurity gases in the aluminum alloy melt. During the refining process of the aluminum alloy melt, an aluminum titanium boron wire...

Embodiment 2

[0038] A stabilization treatment process for 5052 aluminum alloys, comprising the steps of:

[0039] B. Prepare 5052 aluminum alloy raw materials according to the following ratios in parts by weight:

[0040] element

Si

Fe

Cu

mn

Mg

Cr

Zn

Ti

Impurities

Al

content

0.125

0.289

0.003

0.019

2.411

0.23

0.004

0.024

0.05

margin

[0041]Adding the prepared 5052 aluminum alloy raw materials into a melting furnace for uniform mixing and melting into a liquid aluminum alloy to obtain an aluminum alloy melt;

[0042] B. Refining the aluminum alloy melt at 740°C for 20 minutes, melting and casting the refined aluminum alloy melt into aluminum alloy ingots, during which the aluminum alloy melt is filled into the bottom of the melting furnace High-purity nitrogen gas removes impurity gases in the aluminum alloy melt. During the refining process of the aluminum alloy melt, an aluminum-titanium-boron wire ...

Embodiment 3

[0048] A stabilization treatment process for 5052 aluminum alloys, comprising the steps of:

[0049] C, prepare 5052 aluminum alloy raw materials according to the following ratios in parts by weight:

[0050] element

Si

Fe

Cu

mn

Mg

Cr

Zn

Ti

Impurities

Al

content

0.123

0.299

0.003

0.021

2.256

0.232

0.004

0.023

0.05

margin

[0051] Adding the prepared 5052 aluminum alloy raw materials into a melting furnace for uniform mixing and melting into a liquid aluminum alloy to obtain an aluminum alloy melt;

[0052] B. Refining the aluminum alloy melt at 740°C for 20 minutes, melting and casting the refined aluminum alloy melt into aluminum alloy ingots, during which the aluminum alloy melt is filled into the bottom of the melting furnace High-purity nitrogen gas removes impurity gases in the aluminum alloy melt. During the refining process of the aluminum alloy melt, an aluminum-titanium-boron wir...

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Abstract

The invention belongs to the technical field of aluminum alloy manufacturing and relates to a stabilizing processing technology for a 5052 aluminum alloy. The 5052 aluminum alloy is prepared from thefollowing elements in percentage by weight: 0.10-0.15% of Si, less than or equal to 0.5% of Fe, less than or equal to 0.005% of Cu, 0.01-0.05% of Mn, 2.0-2.5% of Mg, 0.20-0.25% of Cr, less than or equal to 0.005% of Zn, 0.01-0.05% of Ti, less than or equal to 0.05% of single impurities, less than or equal to 0.15% of total impurities and the balance of Al. The technology comprises the following steps: saw cutting and milling a 5052 aluminum alloy cast ingot; feeding the 5052 aluminum alloy cast ingot after saw cutting and milling into a heating furnace to be heated at 480-520 DEG C for 3-5 hours; discharging the heated 5052 aluminum alloy cast ingot to be hot-rolled; cooling the hot-rolled intermediate panel to room temperature and cold-rolling the intermediate panel, wherein the cold-rolling deformation rate is 30-70%; and stably annealing the cold-rolled aluminum alloy panel at 180-250 DEG C for 2-8 hours. The technology solves the problem that process control in actual production isnot facilitated as an existing 5052 aluminum alloy processing technology window is relatively narrow.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy manufacturing and relates to a stabilization treatment process for 5052 aluminum alloy. Background technique [0002] 5052 aluminum alloy has low density, good formability, corrosion resistance and medium strength, and is widely used in aviation, electronics, decoration and other fields in the form of strip and foil. 5052 aluminum alloy sheets and strips for different purposes may have different finished states and finished product thicknesses, as well as blank states and blank thicknesses. 5052 aluminum alloy belongs to non-heat treatment strengthened aluminum alloy, and the finished state has H1X state, H2X state, H3X state and O state, where X=2, 4, 6, 8. The main alloying element of 5052 aluminum alloy is Mg, and its alloy The main strengthening method is deformation strengthening. At present, the 5052 aluminum alloy produced in industry is mainly through deformation strengthening to ...

Claims

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Application Information

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IPC IPC(8): C22F1/047C22C21/06
CPCC22C21/06C22F1/047
Inventor 杨直达马青梅张义李玉博陈金生金雪郭富安
Owner TIANJIN ZHONGWANG ALUMINUM IND CO LTD
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