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Aluminum alloy material for power cables

A technology for aluminum alloy materials and power cables, applied in the field of aluminum alloys, can solve the problems of poor comprehensive performance of aluminum alloy power cables, affecting the service life of aluminum alloy materials, and prone to quality problems, so as to improve creep resistance and fatigue resistance. performance, improving high temperature creep performance and fatigue resistance, and improving the effect of high temperature creep resistance

Inactive Publication Date: 2019-01-04
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

In addition, the aluminum alloy conductor materials in the prior art are relatively excellent in electrical properties, corrosion resistance, and mechanical properties, but are still relatively poor in fatigue resistance, which is prone to quality problems and affects the service life of aluminum alloy materials. Or bring potential safety hazards, therefore, the overall performance of aluminum alloy power cables is still poor

Method used

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  • Aluminum alloy material for power cables

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] An aluminum alloy material for power cables, comprising the following components by weight percentage:

[0030] Cu 0.02%, Mg 0.004%, Ru 0.005%, In 0.016%, Be 0.009%, Bi 0.007%, Sr 0.003%, modified graphene 0.25%, RE 0.16%, and the balance is Al and impurities. RE is a mixture of Tm, Ce, Pr and Nd.

[0031] The preparation method of modified graphene comprises the following steps:

[0032] 1) Put nano-nickel oxide and silver powder into a three-dimensional mixer and mix for 1 hour at room temperature to obtain mixed powder A; the mass ratio of nano-nickel oxide to silver powder is 11:1.

[0033] 2) Put bismuth 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 bismuth oxide to zinc powder is 1:6.

[0034] 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 76:11:1, an...

Embodiment 2

[0036] An aluminum alloy material for power cables, comprising the following components by weight percentage:

[0037] Cu 0.01%, Mg 0.002%, Ru 0.009%, In 0.001%, Be 0.012%, Bi 0.002%, Sr 0.005%, modified graphene 0.16%, RE 0.1%, and the balance is Al and impurities. RE is a mixture of Tm, Ce, Pr and Nd.

[0038] The preparation method of modified graphene comprises the following steps:

[0039] 1) Put nano-nickel oxide and silver powder into a three-dimensional mixer, and mix at room temperature for 1.2 hours to obtain mixed powder A; the mass ratio of nano-nickel oxide to silver powder is 8:1.

[0040] 2) Put bismuth 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 bismuth oxide to zinc powder is 1:4.

[0041] 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 70:13:1, ...

Embodiment 3

[0043] An aluminum alloy material for power cables, comprising the following components by weight percentage:

[0044] Cu 0.03%, Mg 0.006%, Ru 0.003%, In 0.02%, Be 0.005%, Bi 0.01%, Sr 0.001%, modified graphene 0.32%, RE 0.06%, and the balance is Al and impurities. RE is a mixture of Tm, Ce, Pr and Nd.

[0045] The preparation method of modified graphene comprises the following steps:

[0046] 1) Put nano-nickel oxide and silver powder into a three-dimensional mixer, and mix at room temperature for 0.6 hours to obtain mixed powder A; the mass ratio of nano-nickel oxide to silver powder is 13:1.

[0047] 2) Put bismuth oxide and zinc powder into a three-dimensional mixer, mix at room temperature for 14 hours to obtain mixed powder B, and set aside; the mass ratio of bismuth oxide to zinc powder is 1:8.

[0048] 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 80:7:1, a...

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Abstract

The invention provides an aluminum alloy material for power cables, comprising, by weight, 0.01-0.03% of Cu, 0.002-0.006% of Mg, 0.003-0.009% of Ru, 0.001-0.02% of In, 0.005-0.012% of Be, 0.002-0.01%of Bi, 0.001-0.005% of Sr, 0.16-0.32% of modified graphene, 0.06-2.3% of Re, and the balance being Al and impurity. The modified graphene is prepared from nano nickle oxide, aluminum powder, bismuth oxide, zinc powder and graphene powder. The aluminum alloy material for the power cables has high conductivity, good creep-resistance capacity and good fatigue resistance performance.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloys, and in particular relates to an aluminum alloy material used for power cables. Background technique [0002] In recent years, with the rapid development of the country's various infrastructures and the advancement of information technology, in addition to the demand for power distribution in various engineering projects, the demand for information engineering is also increasing. In commercial and residential, factories, schools, roads, urban supporting projects, airports and rail transit and other engineering projects, more requirements are put forward for information transmission systems. For data communication networks such as the Internet, TV networks, local area networks, and telecommunication networks, The information transmission system is an essential part. In the design and construction of traditional power and network engineering projects, power and communication are designed an...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C1/10C22C1/02H01B1/02
CPCC22C1/1005C22C1/1036C22C21/00H01B1/023
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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