Preparation method of superconducting and ultra-fine aluminum-magnesium alloy wires

An aluminum-magnesium alloy, ultra-fine technology, applied in the field of alloy gold wire production, can solve the problems of aluminum-magnesium alloy wire tensile performance, electrical conductivity discount, manufacturer loss, variable surface, etc., to reduce production costs and reduce deformation Effect of cracking and improving electrical conductivity

Inactive Publication Date: 2019-04-16
GUANGXI PINGGUO BODAO MG CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This kind of aluminum-magnesium alloy is often due to the original impurities or impurities introduced later in the production process, which greatly reduces the tensile performance and electrical conductivity of the aluminum-magnesium alloy wire, especially during the drawing process. Even cracks and waste rods appear on the surface, which not only causes serious waste of resources, but also brings incalculable losses to manufacturers

Method used

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  • Preparation method of superconducting and ultra-fine aluminum-magnesium alloy wires

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Experimental program
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Effect test

Embodiment 1

[0025] A method for preparing superconducting, ultra-fine aluminum-magnesium alloy wires, comprising the following steps:

[0026] Material preparation: accurately weigh aluminum ingots, magnesium ingots, and master alloys;

[0027] Melting: Take the aluminum ingot and put it into the melting furnace, set the temperature to be ≥ 720 for melting, and stir continuously at the same time to obtain molten aluminum; place the aluminum-chromium intermediate alloy, compounded aluminum ingot and magnesium ingot at the furnace mouth to preheat, and control the temperature at 730-740°C , gently push the aluminum-chromium intermediate alloy and compounded aluminum ingot into the aluminum liquid, and use a magnesium press to press the magnesium ingot into the aluminum liquid, and move slowly under the surface of the aluminum liquid, and finally fully stir to make the magnesium element uniform Diffusion; the input amount of compounded aluminum ingots is 5% / furnace of the total amount of alu...

Embodiment 2

[0031] A method for preparing superconducting, ultra-fine aluminum-magnesium alloy wires, comprising the following steps:

[0032] Material preparation: accurately weigh aluminum ingots, magnesium ingots, and master alloys;

[0033] Melting: Take aluminum ingots and put them into the melting furnace, set the temperature to be ≥ 720 for melting, and at the same time keep stirring to obtain molten aluminum; place aluminum-chromium intermediate alloys, waste rods, and magnesium ingots in the furnace mouth to preheat, control the temperature at 730-740°C, and put The intermediate alloy is gently pushed into the molten aluminum, and the magnesium ingot is pressed into the molten aluminum with a magnesium press, and slowly moves under the surface of the molten aluminum, and finally fully stirred to make the magnesium element diffuse evenly; the input amount of the waste rod is aluminum 3% of the total amount of ingots and magnesium ingots / furnace;

[0034] Refining: Put the degasse...

Embodiment 3

[0037] A method for preparing superconducting, ultra-fine aluminum-magnesium alloy wires, comprising the following steps:

[0038] Material preparation: accurately weigh aluminum ingots, magnesium ingots, and master alloys;

[0039] Melting: Take the aluminum ingot and put it into the melting furnace, set the temperature to be ≥ 720 for melting, and stir continuously at the same time to obtain molten aluminum; place the aluminum-chromium intermediate alloy, compounded aluminum ingot and magnesium ingot at the furnace mouth to preheat, and control the temperature at 730-740°C , gently push the intermediate alloy into the aluminum liquid, and use a magnesium press to press the magnesium ingot into the aluminum liquid, and move slowly under the surface of the aluminum liquid, and finally fully stir to make the magnesium element diffuse evenly; among them, the compounded aluminum ingot The input amount is 6% of the total amount of aluminum ingots and magnesium ingots per furnace; ...

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Abstract

The invention discloses a preparation method of superconducting and ultra-fine aluminum-magnesium alloy wires. Aluminum ingots and magnesium ingots are added to intermediate alloys and taken as raw materials, and the superconducting and ultra-fine effects are finally realized through smelting, refining, casting rods, multi-annealing drawing and high-speed micro-drawing.The preparation method of the superconducting and ultra-fine aluminum-magnesium alloy wires not only effectively realizes recycling of the intermediate alloys such as waste rods, inferior products and the like in the productionprocess, but also can effectively reduce deformation and cracking of the alloy wires, and the overall conductivity of the alloy wires is obviously improved.

Description

technical field [0001] The invention belongs to the technical field of alloy gold wire production, and in particular relates to a preparation method of superconducting and ultrafine aluminum-magnesium alloy wires. Background technique [0002] my country is a big producer and exporter of electronic communication materials. At present, aluminum-magnesium alloy wire, as a shielding electronic communication material that can replace pure copper round wire, occupies a prominent position in the aluminum alloy gold wire market and is widely used in the field of information transmission. The industrial broadband transmission network is matched with the communication network, and it is used in the military industry and aerospace fields. [0003] Traditional aluminum-magnesium alloy wires are usually mixed with raw materials such as aluminum ingots, magnesium ingots, and copper, and undergo smelting, degassing and impurity removal, heat treatment, and drawing. This kind of aluminum-m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C1/02B21C37/04C22C1/03C22C21/00
CPCB21C1/02B21C37/047C22C1/026C22C1/03C22C21/00
Inventor 许方根蒋新云左涛刘宇
Owner GUANGXI PINGGUO BODAO MG CABLE
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