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Multi-element micro-alloyed high-strength high-conductivity copper alloy and preparation technique thereof

A technology of micro-alloying and preparation technology, which is applied in the direction of metal/alloy conductors, conductors, conductive materials, etc., can solve the problems of inability to meet production requirements, poor performance of copper alloy conductor resistivity, breaking force and tensile strength, etc. Achieve the effect of reasonable design, excellent resistivity, and meet production needs

Active Publication Date: 2017-02-22
CHANGZHOU HENGFENG SPECIAL CONDUCTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, with the increase of production requirements, the resistivity, breaking force and tensile strength of traditional copper alloy conductors are poor, which cannot meet the production needs.

Method used

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  • Multi-element micro-alloyed high-strength high-conductivity copper alloy and preparation technique thereof
  • Multi-element micro-alloyed high-strength high-conductivity copper alloy and preparation technique thereof
  • Multi-element micro-alloyed high-strength high-conductivity copper alloy and preparation technique thereof

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Experimental program
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Embodiment 1

[0031] A multi-element microalloyed high-strength and high-conductivity copper alloy, which is characterized in that its composition is:

[0032]

[0033] The preparation process of this multi-element microalloyed high-strength high-conductivity copper alloy has the following steps:

[0034] (1) Prepare ingredients and prepare copper-chromium alloy, copper-zirconium alloy, copper-magnesium alloy and copper-lanthanum alloy in the melting furnace;

[0035] (2) Furnace, graphite crucible is used as melting crucible, graphite crucible is fixed in the melting furnace, oven is carried out, and the furnace time is kept at more than 2 hours to remove the water vapor in the crucible;

[0036] (3) Baking and washing the furnace. Cut 100 kilograms of electrolytic copper with a purity of 99.9% into the required shape, put it in the heat treatment furnace, and keep the temperature below 600℃ to bake the material to remove internal water vapor. The baking time is 1 hour. The baking temperature of 0...

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Abstract

The invention relates to the field of copper alloy conductors, in particular to a multi-element micro-alloyed high-strength high-conductivity copper alloy and a preparation technique thereof. The multi-element micro-alloyed high-strength high-conductivity copper alloy comprises 0.2-0.3wt% of chromium, 0.08-0.1wt% of zirconium, 0.02-0.03wt% of magnesium, 0.04-0.08wt% of lanthanum and the balance copper. The multi-element micro-alloyed high-strength high-conductivity copper alloy preparation technique comprises the following steps of (1) materials preparation, (2) furnace forging, (3) material drying and furnace washing, (4) vacuum induction smelting, (5) casting, (6) homogenizing annealing treatment, (7) cogging, (8) hot rolling, (9) solution treatment, (10) peeling, (11) cold deforming, (12) aging treatment, (13) drawing, and (14) finished product acquiring after annealing treatment. The multi-element micro-alloyed high-strength high-conductivity copper alloy is reasonable in design and convenient to operate, a prepared copper alloy conductor has good electrical resistivity, pulling strength and tensile strength, and thus the production requirement is met.

Description

Technical field [0001] The invention relates to the field of copper alloy conductors, in particular to a multi-element microalloyed high-strength and high-conductivity copper alloy and a preparation process thereof. Background technique [0002] Copper alloy has the characteristics of good electrical conductivity and high softening temperature. It is an ideal material for motor commutators and contact wires. Since the beginning of this year, with the increase in production requirements, traditional copper alloy conductors have poor properties such as resistivity, breaking force and tensile strength, which cannot meet production requirements. Summary of the invention [0003] The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art and provide a multi-element microalloyed high-strength and high-conductivity copper alloy and its preparation process. [0004] The technical solution adopted by the present invention to solve its techni...

Claims

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Application Information

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IPC IPC(8): C22C9/00C22C1/03C22F1/02C22F1/08H01B1/02
CPCC22C1/03C22C9/00C22F1/02C22F1/08H01B1/026
Inventor 何如森李海峰王权宏
Owner CHANGZHOU HENGFENG SPECIAL CONDUCTOR CO LTD
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