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Production method for medium-strength non-aging aluminum alloy electrotechnical round aluminum rod

A production method and aluminum alloy technology, applied in the field of aluminum alloy, can solve the problems of low yield, unstable product quality, unfavorable production of electrical aluminum rods, etc., and achieve the effect of improving strength

Active Publication Date: 2019-04-16
河南美雅德新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, my country's aluminum ore resources contain high silicon content, which is not conducive to the production of electrical aluminum rods. Generally, the quality of the supplied products is unstable, and there is a problem of low yield

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A production method for a medium-strength non-aging aluminum alloy electrician's round aluminum rod comprises the following steps:

[0035] S1, aluminum liquid alloying

[0036] Add electrolytic aluminum liquid with an aluminum content of more than 99.5% in the furnace, and control the temperature at 730°C; then add the following elements by mass fraction to the aluminum liquid in the furnace: 0.12% copper, 0.10% magnesium, 0.08% boron, Rare earth 0.20%; get primary aluminum alloy melt;

[0037] S2, homogenization of aluminum alloy melt

[0038] Keep the temperature of the furnace at 730°C, and stir the primary aluminum alloy melt in the furnace with an electromagnetic stirrer for 30 minutes to ensure uniform temperature of the melt in the furnace and uniform composition of each alloy element; obtain an aluminum alloy melt;

[0039] S3, a purification

[0040] After step S2 is completed, use argon gas to spray common refining agents on the aluminum alloy melt in the ...

Embodiment 2

[0052] A production method for a medium-strength non-aging aluminum alloy electrician's round aluminum rod comprises the following steps:

[0053] S1, aluminum liquid alloying

[0054] Add electrolytic aluminum liquid with an aluminum content of more than 99.5% in the furnace, and control the temperature at 760°C; then add the following elements by mass fraction to the aluminum liquid in the furnace: 0.14% copper, 0.12% magnesium, 0.03% boron, Rare earth 0.21%; get primary aluminum alloy melt;

[0055] S2, homogenization of aluminum alloy melt

[0056] Keep the temperature of the furnace at 760°C, and stir the primary aluminum alloy melt in the furnace with an electromagnetic stirrer for 40 minutes to ensure uniform temperature of the melt in the furnace and uniform composition of each alloy element; obtain an aluminum alloy melt;

[0057]S3, a purification

[0058] After step S2 is completed, use argon gas to spray common refining agents on the aluminum alloy melt in the f...

Embodiment 3

[0070] A production method for a medium-strength non-aging aluminum alloy electrician's round aluminum rod comprises the following steps:

[0071] S1, aluminum liquid alloying

[0072] Add electrolytic aluminum liquid with an aluminum content of more than 99.5% in the furnace, and control the temperature between 745°C; then add the following elements in mass fractions to the aluminum liquid in the furnace: 0.12% copper, 0.11% magnesium, 0.02% boron, Rare earth 0.25%; get primary aluminum alloy melt;

[0073] S2, homogenization of aluminum alloy melt

[0074] Keep the temperature of the furnace at 730-760°C, and stir the primary aluminum alloy melt in the furnace with an electromagnetic stirrer for 35 minutes to ensure uniform temperature of the melt in the furnace and uniform composition of each alloy element; obtain an aluminum alloy melt;

[0075] S3, a purification

[0076] After step S2 is completed, use argon gas to spray common refining agents on the aluminum alloy me...

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PUM

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Abstract

The invention discloses a production method for a medium-strength non-aging aluminum alloy electrotechnical round aluminum rod. The production method comprises the steps of molten aluminum alloying, aluminum alloy melt homogenizing, primary purifying, secondary purifying and still standing, grain refining and filtering, third-time purifying and pouring, rolling and the like. According to the production method for the medium-strength non-aging aluminum alloy electrotechnical round aluminum rod, a certain content of copper, magnesium, boron and rare earth elements are added in electrolytic molten aluminum to improve the strength of an alloy, and meanwhile, the conductivity of the alloy is also met; and three times of the purifying and three times of the filtering are adopted in the production method, the purity of melt is improved, and meanwhile, the quality of the round aluminum rod is also guaranteed.

Description

technical field [0001] The invention relates to the technical field of aluminum alloys, in particular to a production method of a medium-strength non-aging aluminum alloy electrician round aluminum rod. Background technique [0002] With the sharp increase in the demand for electricity and electrical appliances, the country has higher and higher requirements for the transmission capacity of transmission lines. However, at present, my country's transmission lines are still dominated by overhead steel-cored The thermal performance is poor, and the conductivity is low, and the transmission capacity of the transmission line is greatly limited. Heat-resistant aluminum alloy electrical round rod is an important primary material of aluminum alloy wire. It is made of heat-resistant aluminum alloy wire after wire drawing. It has excellent heat resistance and good electrical and mechanical properties. Heat-resistant aluminum alloy conductors are mainly used in new high-voltage and ult...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22C1/06C22C21/16C22B9/05
CPCC22B9/055C22C1/026C22C1/06C22C21/16
Inventor 贠亚琼耿智红
Owner 河南美雅德新材料有限公司
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