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Aluminium alloy for cable with high conductivity

A high-conductivity, aluminum alloy technology, applied in the field of aluminum alloys, can solve the problems that cannot cover the rising market share of aluminum alloy cables, high resistivity of aluminum alloy cables, and high heating temperature, and improve high-temperature creep performance and fatigue resistance. , The effect of fatigue resistance and creep resistance improvement, and excellent electrical conductivity

Inactive Publication Date: 2019-01-11
安庆市泽烨新材料技术推广服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although copper wires and cables still account for the majority of the market share, this cannot conceal the rising trend of the market share of aluminum alloy cables
[0004] However, aluminum alloy cables still have the disadvantages of high resistivity, low carrying capacity, and high heating temperature.

Method used

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  • Aluminium alloy for cable with high conductivity
  • Aluminium alloy for cable with high conductivity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A high-conductivity aluminum alloy for cables, comprising the following components by weight percentage:

[0028] Cu 0.06%, Ca 0.5%, Ga 1.3%, modified graphene 0.3%, and the balance is Al and impurities.

[0029] The preparation method of modified graphene comprises the following steps:

[0030] 1) Nano-TiO 2 and Fe powder into a three-dimensional mixer, mixed at room temperature for 2 hours to obtain mixed powder A; the nano-TiO 2 The mass ratio to Fe powder is 10:1.

[0031] 2) Put lanthanum oxide and zinc powder into a three-dimensional mixer, mix at room temperature for 10 hours to obtain mixed powder B, and set aside; the mass ratio of lanthanum oxide to zinc powder is 1:6.

[0032] 3) Put the mixture A of step 1), the mixture B of step 2), graphene powder and polyacrylamide into the three-dimensional mixer according to the mass ratio of 80:8:1, and mix them at room temperature for 13 hours Obtain modified graphene.

Embodiment 2

[0034] A high-conductivity aluminum alloy for cables, comprising the following components by weight percentage:

[0035] Cu 0.03%, Ca 0.2%, Ga 0.8%, modified graphene 0.2%, and the balance is Al and impurities.

[0036] The preparation method of modified graphene comprises the following steps:

[0037] 1) Nano-TiO 2 and Fe powder into a three-dimensional mixer, mixed at room temperature for 3 hours to obtain mixed powder A; the nano-TiO 2 The mass ratio to Fe powder is 13:1.

[0038] 2) Put lanthanum oxide and zinc powder into a three-dimensional mixer, mix at room temperature for 8 hours to obtain mixed powder B, and set aside; the mass ratio of lanthanum oxide and zinc powder is 1:4.

[0039] 3) Put the mixture A of step 1), the mixture B of step 2), graphene powder and polyacrylamide into the three-dimensional mixer according to the mass ratio of 83:5:1, and mix at room temperature for 12 hours Obtain modified graphene.

Embodiment 3

[0041] A high-conductivity aluminum alloy for cables, comprising the following components by weight percentage:

[0042] Cu 0.09%, Ca 0.6%, Ga 1.4%, modified graphene 0.4%, and the balance is Al and impurities.

[0043] The preparation method of modified graphene comprises the following steps:

[0044] 1) Nano-TiO 2 and Fe powder into a three-dimensional mixer, mixed at room temperature for 2 hours to obtain mixed powder A; the nano-TiO 2 The mass ratio to Fe powder is 16:1.

[0045] 2) Put lanthanum oxide and zinc powder into a three-dimensional mixer, mix at room temperature for 12 hours to obtain mixed powder B, and set aside; the mass ratio of lanthanum oxide to zinc powder is 1:8.

[0046] 3) Put the mixture A of step 1), the mixture B of step 2), graphene powder and polyacrylamide into the three-dimensional mixer according to the mass ratio of 85:6:1, and mix at room temperature for 13 hours Obtain modified graphene.

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Abstract

The invention provides aluminium alloy for cable with high conductivity, containing the following components in weight percentage: 0.03-0.09% of Cu, 0.2-0.8% of Ca, 0.8-1.6% of Ga, 0.2-0.4% of modified graphene, and the balance of Al and impurities; the modified graphene is mainly prepared from nanometer TiO2, Fe powder, lanthanum oxide, zinc powder and graphene powder. The aluminium alloy not notis low in electrical resistivity, but also is good in creep resistance and fatigue resistance.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloys, and in particular relates to an aluminum alloy for cables with high conductivity. Background technique [0002] At present, the cable industry is the second largest industry in China after the automobile industry, and in the world, the total output value of China's cables has surpassed that of the United States, becoming the world's largest wire and cable producer. With the continuous and rapid growth of China's economy and the continuous expansion of the power industry, data communication industry, urban rail transit industry and other industries, the demand for cables will also grow rapidly, and the wire and cable industry still has huge development potential in the future. [0003] As we all know, my country's copper resource reserves are relatively insufficient and largely rely on imports. Therefore, it is becoming more and more important to find substitutes for copper wires and cable...

Claims

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Application Information

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IPC IPC(8): C22C1/02C22C21/00C22F1/04H01B1/02
CPCC22C1/026C22C21/00C22F1/04H01B1/023
Inventor 汪泽维
Owner 安庆市泽烨新材料技术推广服务有限公司
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