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A kind of 6 series aluminum alloy profiles and preparation method thereof

A technology of aluminum alloy profiles and aluminum alloys, applied in the field of 6-series aluminum alloy profiles and its preparation, can solve the problems that aluminum alloys affect the comprehensive performance of products, and achieve the effects of fine and stable microstructure, suppression of parking effect, and prevention of re-growth

Active Publication Date: 2019-04-19
CHINA ZHONGWANG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a 6-series aluminum alloy profile and its preparation method in order to solve the problem that the parking effect of the aluminum alloy during the preparation process will affect the comprehensive performance of the later product

Method used

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  • A kind of 6 series aluminum alloy profiles and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method of a 6-series aluminum alloy profile, comprising the steps of:

[0028] A. Calculate the amount of each aluminum alloy raw material and prepare the aluminum alloy raw material according to the ratio. The mass percentage ratio of each element of the 6 series aluminum alloy raw material is as follows:

[0029] element

Si

Mg

mn

Cr

Zr

V

Fe

Ti

Zn

Cu

Al

content

0.60

0.50

0.10

0.10

0.10

0.10

0.10

0.05

0.03

0.05

margin

[0030] Add the prepared aluminum alloy raw materials into the melting furnace and mix them evenly to melt them into liquid aluminum alloys, then melt and cast the liquid aluminum alloys into aluminum alloy ingots. Semi-continuous casting method of filtering and casting;

[0031] B. The aluminum alloy ingot obtained in step A is subjected to homogenization treatment, the temperature of the homogenization treatment is 500°C, and the holding time is ...

Embodiment 2

[0040] The difference between embodiment 2 and embodiment 1 is that in step A, the mass percentage ratio of each element of the 6 series aluminum alloy raw material is as follows:

[0041] element

Embodiment 3

[0043] The difference between embodiment 3 and embodiment 1 is that in step A, the mass percentage ratio of each element of the 6 series aluminum alloy raw material is as follows:

[0044] element

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Abstract

The invention belongs to the field of extrusion of aluminum alloy profiles and relates to a series 6 aluminum alloy profile, comprising, by weight, 0.6-1.2% of Si, 0.5-0.7% of Mg, 0.1-0.4% of Mn, 0.1-0.3% of Cr, 0.1-0.35% of Zr, 0.1-0.24% of V, 0.1-1% of Fe, 0.05-0.3% of Ti, 0.03-2.5% of Zn, < / =0.05% of Cu and the balance of Al; a traditional common aging process is modified into a four-stage low-temperature short-term pre-aging process for a preparation method of the invention to inhibit standing effect of the aluminum alloy profile, the prepared aluminum alloy profile can still retain its mechanical properties after long-term standing, and final properties of the aluminum alloy profile are well improved.

Description

technical field [0001] The invention belongs to the field of aluminum alloy profile production, and relates to a 6-series aluminum alloy profile and a preparation method thereof. Background technique [0002] Aluminum alloy has the advantages of low density, good electrical conductivity, high thermal conductivity, and corrosion resistance. Therefore, using aluminum alloy as a structural material can greatly reduce product weight and increase structural stability, and is widely used in production. In particular, the 6-series aluminum alloy, which is used as a material for permanent magnet trains, can not only reduce the weight of the car body, but also significantly reduce the energy consumption of the car while meeting the structural strength requirements. It can be seen that aluminum alloy will replace steel material and become the main material of future train body. As one of the main load-bearing materials of rail vehicles, rail vehicle suspension arm profiles are subjec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/00C22C21/02C22C21/08C22C21/10C22F1/043C22F1/047C22F1/05C22F1/04C22F1/053
CPCC22C21/00C22C21/02C22C21/08C22C21/10C22F1/04C22F1/043C22F1/047C22F1/05C22F1/053
Inventor 顾维明赵芳庞俊铭马青梅
Owner CHINA ZHONGWANG
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