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Novel high-conductivity copper alloy wire and application thereof

A high-conductivity, copper alloy technology, applied in the field of copper alloy wire, can solve the problems of limited applicability and insufficient mechanical strength, and achieve the effects of strong anti-interference, excellent mechanical properties, and large elastic modulus

Inactive Publication Date: 2018-11-27
HEBEI JIASHICHENG ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of copper alloy wire has good electrical conductivity, but its mechanical strength is insufficient, and its applicability is limited.

Method used

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  • Novel high-conductivity copper alloy wire and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] This embodiment relates to a method for preparing a novel high-conductivity copper alloy wire, which generally follows the steps below:

[0053] Step 1: batching according to the above weight percentage, followed by melting in the following stages:

[0054] Ⅰ: Heat and melt the copper block in a smelting furnace with a temperature of 1120°C, and keep it warm for 50 minutes;

[0055] Ⅱ: Add ferrosilicon powder, scandium powder and erbium powder into the smelting furnace, and heat it to 1560°C at a heating rate of 30°C / min under stirring conditions to fully melt the powder, and keep it warm for 70 minutes;

[0056] Ⅲ: The temperature of the copper liquid obtained in the control stage Ⅱ is 1150°C, and then flows through the graphite rotor with a rotation speed of 160r / min set on the launder, the degassing box with an argon pressure of 210KPa, and the ceramic with a porosity of 60ppi The filter plate is degassed and filtered on-line, and finally transferred to a vacuum hol...

Embodiment 2

[0065] This embodiment relates to a method for preparing a novel high-conductivity copper alloy wire, which generally follows the steps below:

[0066] Step 1: batching according to the above weight percentage, followed by melting in the following stages:

[0067] Ⅰ: Heat and melt the copper block in a melting furnace with a temperature of 1125°C, and keep it warm for 48 minutes;

[0068] Ⅱ: Add ferrosilicon powder, scandium powder and erbium powder into the smelting furnace, and heat it to 1565°C at a heating rate of 32°C / min under stirring conditions to fully melt the powder, and keep it warm for 68 minutes;

[0069] Ⅲ: The temperature of the copper liquid obtained in the control stage Ⅱ is 1155°C, and then flows through the graphite rotor with a rotation speed of 165r / min set on the launder, the degassing box with an argon pressure of 215KPa, and the ceramic with a porosity of 65ppi The filter plate is degassed and filtered online, and finally transferred to the vacuum hol...

Embodiment 3

[0078] This embodiment relates to a method for preparing a novel high-conductivity copper alloy wire, which generally follows the steps below:

[0079] Step 1: batching according to the above weight percentage, followed by melting in the following stages:

[0080] Ⅰ: Heat and melt the copper block in a smelting furnace with a temperature of 1130°C, and keep it warm for 45 minutes;

[0081] Ⅱ: Add ferrosilicon powder, scandium powder and erbium powder into the smelting furnace, and under stirring conditions, heat to 1570°C at a heating rate of 35°C / min to fully melt the powder, and keep it warm for 65 minutes;

[0082] Ⅲ: The temperature of the copper liquid obtained in the control stage Ⅱ is 1160°C, and then flows through the graphite rotor with a rotation speed of 170r / min set on the launder, the degassing box with an argon pressure of 220KPa, and the ceramic with a porosity of 70ppi The filter plate is degassed and filtered online, and finally transferred to the vacuum hold...

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Abstract

The invention relates to the technical field of copper alloy wires and discloses a novel high-conductivity copper alloy wire and application thereof. The copper alloy wire comprises, by weight, 0.24-0.36% of silicon, 0.015-0.05% of iron, 0.13-0.27% of lithium, 0.06-0.14% of strontium, 0.02-0.08% of scandium, 0.03-0.11% of erbium, 0.008-0.03% of tellurium, 0.005-0.01% of phosphorus and the balancecopper. Mechanical strength, plasticity, conductivity, shielding property and the like of the copper alloy wire are remarkably improved, the application field of the copper alloy wire is greatly expanded, the service life of the copper alloy wire is prolonged, and urgent market demands on high-performance copper alloy wires are met.

Description

technical field [0001] The invention relates to the field of copper alloy wires, in particular to a novel high-conductivity copper alloy wire. Background technique [0002] Wire and cable are used to transmit electric (magnetic) energy, information and wire products that realize electromagnetic energy conversion. Although the wire and cable industry is only a supporting industry, it accounts for 1 / 4 of the output value of China's electrical industry. It has a wide variety of products and a wide range of applications, involving industries such as electric power, construction, communications, and manufacturing, and is closely related to various sectors of the national economy. Wires and cables are also known as the "arteries" and "nerves" of the national economy. They are indispensable basic equipment for transmitting electric energy, transmitting information, manufacturing various motors, instruments, and meters, and realizing electromagnetic energy conversion. Basic produc...

Claims

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Application Information

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IPC IPC(8): C22C9/10C22C1/03C22C1/06C22F1/08
CPCC22C9/10C22C1/03C22C1/06C22F1/08
Inventor 白莉莉
Owner HEBEI JIASHICHENG ENERGY TECH CO LTD
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