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Preparation method of high strength aluminum alloy

An aluminum alloy, high-strength technology, applied in the field of aluminum alloys, can solve problems such as low strength and fatigue fracture, achieve good processing performance, enhance strength and toughness, and change mechanical properties.

Inactive Publication Date: 2018-11-13
湖州亨达铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aluminum element, the content in the earth's crust is second only to oxygen and silicon, ranking third, and its light weight, good ductility, the surface can form a dense oxide film to protect the interior, and is used in various processing However, aluminum itself is soft, and it is generally used as an aluminum alloy, while ordinary aluminum alloys have low strength and are prone to fatigue fractures, resulting in accidents

Method used

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Embodiment Construction

[0016] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0017] The formula of the aluminum alloy product of embodiment 1~6 and comparative example 1~6 is as described in table 1:

[0018] Table 1 Embodiment of the present invention and comparative example product formula

[0019] Composition (wt%)

Mg

Ce

La

V

Ti

Cu

Al

Example 1

2.5

0.08

0.09

0.025

0.22

1.25

margin

Example 2

2.0

0.10

0.20

0.03

0.25

0.8

margin

Example 3

6.0

0.02

0.08

0.02

0.02

0.5

margin

Example 4

5.0

0.08

0.35

0.023

0.21

0.8

margin

Example 5

4.0

0.15

0.45

0.04

0.35

1.3

margin

Example 6

3.0

0.13

0.18

0.035

0.18

1.5

margin

Comparative example 1

2.5

0.05

0.08

0.0...

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Abstract

The invention discloses a preparation method of a high strength aluminum alloy and relates to the field of aluminum alloys. The high strength aluminum alloy is prepared from the following components in percentage by weight: 2-6% of Mg, 0.02-0.15% of Ce, 0.08-0.45% of La, 0.02-0.04% of V, 0.5-1.5% of Cu, 0.02-0.35% of Ti and the balance Al. The preparation method comprises the following steps: refining crystal grains by taking rare earth metals Ce and La as an alterant to change the crystal phase of the aluminum alloy; and adding high melting point vanadium, wherein the aluminum alloy forms special tissues, so that the strength and rigidity of the aluminum alloy are enhanced greatly, the processing performance of the aluminum alloy is good, and the application range of the aluminum alloy isexpanded.

Description

technical field [0001] The invention relates to the field of aluminum alloys, in particular to a method for preparing high-strength aluminum alloys. Background technique [0002] In today's society, mechanical automation devices are becoming more and more refined, and the requirements for mechanical materials are getting higher and higher, especially for precision parts used in machinery, which require high strength and light weight. Aluminum element, the content in the earth's crust is second only to oxygen and silicon, ranking third, and its light weight, good ductility, the surface can form a dense oxide film to protect the interior, and is used in various processing However, aluminum itself is soft, and it is generally used as an aluminum alloy, while ordinary aluminum alloys have low strength and are prone to fatigue fractures, resulting in accidents. Contents of the invention [0003] In view of the above existing problems, the present invention provides a method fo...

Claims

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Application Information

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IPC IPC(8): C22C21/06C22C1/02C22C1/06C22F1/04
CPCC22C1/026C22C1/06C22C21/06C22F1/002C22F1/04
Inventor 周圣钦
Owner 湖州亨达铝业有限公司
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