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High-conductivity 6 series aluminum alloy and production process therefor

A technology with high conductivity and production technology, which is applied in the field of high conductivity 6-series aluminum alloy and its production technology, can solve the problems affecting the application range, the mechanical properties and electrical conductivity of 6-series aluminum alloy profiles, etc., to reduce the Adverse effects, reduced mechanical properties, and reduced electrical and thermal conductivity, lattice distortion

Inactive Publication Date: 2020-04-10
YINGKOU ZHONGWANG ALUMINUM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention provides a high-conductivity 6-series aluminum alloy and its production process in order to solve the problem that the existing 6-series aluminum alloy profiles cannot have both mechanical properties and electrical conductivity, which affects its application range

Method used

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  • High-conductivity 6 series aluminum alloy and production process therefor

Examples

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Effect test

Embodiment 1

[0028] A production process for a high-conductivity 6-series aluminum alloy, comprising the steps of:

[0029] 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:

[0030] Si Fe Cu mn Mg Cr Ti Zn V Gd B Impurities Al content 0.55 0.10 0.05 0.01 0.60 0.01 0.01 0.05 0.01 0.15 0.015 0.06 margin

[0031] Add the prepared aluminum alloy raw materials into the melting furnace for refining, online degassing, and online filtration to melt into liquid aluminum alloy, and melt and cast the liquid aluminum alloy into aluminum alloy ingot;

[0032] B. Carry out homogenization treatment to the aluminum alloy ingot obtained in step A, the temperature of the homogenization treatment is 450~500°C, and the holding time is 10~20h;

[0033] C. Place the aluminum alloy...

Embodiment 2

[0038] The difference between Example 2 and Example 1 is that the mass percentage ratio of each element of the 6-series aluminum alloy raw material in step A is as follows:

[0039] Si Fe Cu mn Mg Cr Ti Zn V Gd B Impurities Al content 0.60 0.12 0.06 0.01 0.62 0.01 0.01 0.06 0.01 0.16 0.018 0.06 margin

Embodiment 3

[0041] 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:

[0042] Si Fe Cu mn Mg Cr Ti Zn V Gd B Impurities Al content 0.58 0.13 0.08 0.01 0.64 0.01 0.01 0.07 0.01 0.17 0.016 0.06 margin

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Abstract

The invention belongs to the technical field of aluminum alloy production processes, and relates to a high-conductivity 6 series aluminum alloy and a production process therefor. The high-conductivity6 series aluminum alloy is prepared from the following element components in percentage by weight: 0.55%-0.60% of Si, 0.10%-0.15% of Fe, 0.05%-0.08% of Cu, 0.01%-0.02% of Mn, 0.60%-0.65% of Mg, 0.01%-0.02% of Cr, not greater than 0.01% of Ti, 0.05%-0.08% of Zn, not greater than 0.01% of V, 0.15%-0.18% of Gd, 0.015%-0.02% of B, not greater than 0.03% of single impurities, not greater than 0.10% ofimpurities and the balance Al; by improving a formula and the process, the tension strength of the aluminum alloy reaches 250 Mpa, the yield strength reaches 210 Mpa, the percentage elongation afterfracture reaches 16.7%, and the conductivity Gamma is equal to 32.52 MS / m; and the hardness HB is equal to 65, so that the mechanical property and the conductivity of the 6 series aluminum alloy are obviously improved.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy production technology, and relates to a high-conductivity 6-series aluminum alloy and a production technology thereof. Background technique [0002] The so-called aluminum alloy is to add an appropriate amount of other elements to industrial pure aluminum to improve the nature of aluminum to meet various needs in industry and life. Due to the small specific gravity, high specific strength and good comprehensive performance of aluminum alloy, it is widely used in aviation industry, automobile manufacturing industry, power instrument, tool and civil utensil manufacturing, etc. [0003] With the development of industry, higher requirements have been put forward for the comprehensive performance of 6 series aluminum alloys, and the indicators such as strength, hardness and plasticity, which have been used to test the performance of aluminum alloys, can no longer fully reflect its comprehensive ...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/02C22F1/047B21C23/00B21C31/00B21D3/12
CPCB21C23/002B21C31/00B21D3/12C22C1/026C22C21/08C22F1/002C22F1/047
Inventor 王义斌杜连欢刘超言王睿李延军杨志勇黄健
Owner YINGKOU ZHONGWANG ALUMINUM CO LTD
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