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High-conductivity copper-cobalt alloy for electrode and preparation method of high-conductivity copper-cobalt alloy

A technology with high conductivity and performance, which is applied in the field of copper-cobalt alloys for electrodes with high conductivity and its preparation, can solve the problems of poor mechanical properties and electrical conductivity that cannot meet the requirements of electrode equipment, and achieve high mechanical properties, good electrical conductivity, The effect of grain boundary refinement

Pending Publication Date: 2022-04-12
镇江市镇特合金材料有限公司
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  • Summary
  • Abstract
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Problems solved by technology

[0003] However, ordinary copper and copper alloys also have obvious defects, that is, the mechanical properties are not good, and the electrical conductivity cannot meet the requirements of electrode equipment.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0023] A copper-cobalt alloy for electrodes with high electrical conductivity, each component is formulated according to the following weight percentages:

[0024] 0.5%Be;

[0025] 2%Co;

[0026] 1%Ni;

[0027] 0.3% Zr;

[0028] The balance is Cu.

[0029] The preparation method is as follows:

[0030] S1: carry out batching according to the weight percentage of each component;

[0031] S2: heat up the vacuum melting furnace to 1000°C, and put in Be, Co, Ni, Zr;

[0032] S3: Continue to raise the temperature of the smelting furnace to 1800°C, put in Cu, and obtain the alloy liquid after smelting is completed;

[0033] S4: heat the alloy liquid in S3 for 2 hours, then cool down to room temperature with the furnace, and cast it into an ingot with a copper mold;

[0034] S5: The ingot prepared in S2 is heated at an initial forging temperature of 950-960°C and a final forging temperature of 850-860°C, and air-cooled to room temperature after forging;

[0035] S6: heat trea...

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Abstract

The invention provides a high-conductivity copper-cobalt alloy for an electrode and a preparation method of the high-conductivity copper-cobalt alloy. The high-conductivity copper-cobalt alloy comprises, by weight, 0.1%-1% of Be, 1.2%-2.8% of Co, 0.5%-1.7% of Ni, 0.1%-0.5% of Zr and the balance Cu. The preparation method comprises the following steps that S1, burdening is conducted according to the weight percentage of all the components, S2, the temperature of a smelting furnace is increased to a certain temperature, Be, Co, Ni and Zr are added, S3, the temperature of the smelting furnace continues to be increased to a certain temperature, Cu is added, and alloy liquid is obtained after smelting is completed. Through the mutual strengthening effect between the alloys, the conductivity of the copper-cobalt alloy is improved. And meanwhile, through strict performance detection, the copper-cobalt alloy has good conductive performance and relatively high mechanical performance, room-temperature performance, high-temperature performance and wear resistance.

Description

technical field [0001] The invention relates to the field of manufacturing a copper-cobalt alloy for electrodes, in particular to a high-conductivity copper-cobalt alloy for electrodes and a preparation method thereof. Background technique [0002] As a metal material with electrical and thermal conductivity, pure copper has a density of about 8.9g / cm3 and a melting point of 1083°C. It not only has excellent thermal and electrical conductivity in terms of physical properties, but also has good ductility. It also has good corrosion resistance, but the strength of pure copper is relatively low. In order to meet the comprehensive requirements for material strength and electrical conductivity in practical applications, copper needs to be strengthened. Copper alloy is an alloy composed of pure copper as the base and adding one or several other elements. Copper alloys are widely used in fields such as electric power, heat dissipation, piping, and decoration because of their good ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C9/06C22C1/02C22F1/08
Inventor 顾军欧阳俊陈勇
Owner 镇江市镇特合金材料有限公司
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