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High-strength conductive copper rod material and preparation method thereof

A copper rod and high-strength technology, which is applied in the field of high-strength conductive copper rod materials and preparation, can solve problems such as low electrical conductivity, and achieve the effects of improving electrical conductivity, improving plasticity, and facilitating industrial production.

Active Publication Date: 2015-07-22
常熟紫金知识产权服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention is to add trace alloy elements La, Zn, Fe (or Co) and Ti on the basis of traditional CuCrZr alloy, and through hot rolling, solution treatment, cold rolling, aging and other processes, the comprehensive performance of the alloy reaches In order to balance, although the electrical conductivity, tensile strength and hardness are significantly improved compared with the traditional CuCrZr alloy, the electrical conductivity is low

Method used

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  • High-strength conductive copper rod material and preparation method thereof
  • High-strength conductive copper rod material and preparation method thereof

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Effect test

Embodiment 1

[0029] In the high-strength conductive copper rod material of the present invention, the weight percentage of each component is: La 0.01%, Lu 0.01%, Fe 0.01%, Al 0.6%, and the rest is Cu.

[0030] The preparation method of high-strength conductive copper rod material of the present invention comprises the following steps:

[0031] 1) First, the ingredients are prepared according to the above ingredients, and the raw materials La, Lu, Fe, Al, and Cu are added in the form of pure substances, and the purity is greater than 99.9%;

[0032] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 5×10 -2 Heating starts after Pa. After the alloy is heated to 1280°C, stop power supply and vacuumize after 15 minutes of heat preservation; after the pressure in the induction furnace reaches atmospheric pressure, open the furnace door and sprinkle charcoal po...

Embodiment 2

[0035] In the high-strength conductive copper rod material of the present invention, the weight percentage of each component is: La 0.05%, Lu 0.05%, Fe 0.044%, Al 0.9%, and the rest is Cu.

[0036] The preparation method of high-strength conductive copper rod material of the present invention comprises the following steps:

[0037] 1) First, the ingredients are prepared according to the above ingredients, and the raw materials La, Lu, Fe, Al, and Cu are added in the form of pure substances, and the purity is greater than 99.9%;

[0038] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then vacuumize it. When the vacuum degree in the induction furnace reaches 8×10 -2 Heating starts after Pa. After the alloy is heated to 1310°C, stop power supply and vacuum after 25 minutes of heat preservation; after the pressure in the induction furnace reaches atmospheric pressure, open the furnace door and sprinkle charcoal powd...

Embodiment 3

[0041] In the high-strength conductive copper rod material of the present invention, the weight percentage of each component is: La 0.04%, Lu 0.03%, Fe 0.03%, Al 0.8%, and the rest is Cu.

[0042] The preparation method of high-strength conductive copper rod material of the present invention comprises the following steps:

[0043] 1) First, the ingredients are prepared according to the above ingredients, and the raw materials La, Lu, Fe, Al, and Cu are added in the form of pure substances, and the purity is greater than 99.9%;

[0044] 2) Then put the raw materials into the graphite crucible, then put the crucible into the induction furnace, and then evacuate, when the vacuum degree in the induction furnace reaches 6×10 -2 Heating starts after Pa, and after the alloy is heated to 1300°C, stop power supply and vacuum after 20 minutes of heat preservation; after the pressure in the induction furnace reaches atmospheric pressure, open the furnace door and sprinkle charcoal powde...

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Abstract

The invention belongs to the field of metal materials and relates to a high-strength conductive copper rod material and a preparation method thereof. The invention provides a high-strength conductive copper rod material which has high electric conductivity; the invention also provides a preparation method of the high-strength conductive copper rod material. The preparation method is simple in process, low in production cost and applicable to industrial production. The high-strength conductive copper rod material comprises, by weight percentage, 0.01-0.05% of La, 0.01-0.05% of Lu, 0.01-0.044% of Fe, 0.6-0.9% of Al and the balance of Cu.

Description

technical field [0001] The invention belongs to the field of metal materials, and relates to a high-strength conductive copper rod material and a preparation method. Background technique [0002] CN02148648.4 High-strength and high-conductivity rare earth copper alloy and its manufacturing method, relating to a high-strength and high-conductivity copper alloy used for lead frames, electrode alloys and microelectronic packaging materials and its manufacturing technology. The invention is to add trace alloy elements La, Zn, Fe (or Co) and Ti on the basis of traditional CuCrZr alloy, and through hot rolling, solution treatment, cold rolling, aging and other processes, the comprehensive performance of the alloy reaches In order to balance, although the electrical conductivity, tensile strength and hardness are significantly improved compared with the traditional CuCrZr alloy, the electrical conductivity is low. Contents of the invention [0003] The object of the present inve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C9/01C22F1/08B22C9/12B22C1/00
Inventor 蒋晓龙赵浩峰王玲潘子云谢艳春龚国庆雷霆何晓蕾徐小雪柯维雄陆阳平邱奕婷王易秋宋超郑泽昌赵佳玉赵圣哲
Owner 常熟紫金知识产权服务有限公司
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