Al-Cu-Mg-Mn-series aluminum alloy for cable

An al-cu-mg-mn, aluminum alloy technology, applied in the field of aluminum alloys, can solve the problems that cannot cover up the market share of aluminum alloy cables, high resistivity of aluminum alloy cables, high heating temperature, etc., to improve high temperature creep performance and anti-fatigue performance, improved fatigue resistance bending performance, and excellent electrical conductivity

Inactive Publication Date: 2018-12-28
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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  • Al-Cu-Mg-Mn-series aluminum alloy for cable

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An Al-Cu-Mg-Mn series aluminum alloy for cables, comprising the following components in weight percentage:

[0029] Cu 0.06%, Mn 0.3%, Mg 0.06%, Sc 0.06%, modified graphene 0.3%, and the balance is Al and impurities.

[0030] The preparation method of modified graphene comprises the following steps:

[0031] 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.

[0032] 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.

[0033] 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

[0035] An Al-Cu-Mg-Mn series aluminum alloy for cables, comprising the following components in weight percentage:

[0036] Cu 0.03-0.09%, Mn 0.2%, Mg 0.04%, Sc 0.04%, modified graphene 0.2%, and the balance is Al and impurities.

[0037] The preparation method of modified graphene comprises the following steps:

[0038] 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.

[0039] 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.

[0040] 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

[0042] An Al-Cu-Mg-Mn series aluminum alloy for cables, comprising the following components in weight percentage:

[0043] Cu 0.09%, Mn 0.2%, Mg 0.08%, Sc 0.08%, modified graphene 0.4%, and the balance is Al and impurities.

[0044] The preparation method of modified graphene comprises the following steps:

[0045] 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.

[0046] 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.

[0047]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 an Al-Cu-Mg-Mn-series aluminum alloy for a cable. The Al-Cu-Mg-Mn-series aluminum alloy comprises the following components of, by weight, 0.03-0.09% of Cu, 0.2-0.4% of Mn, 0.02-0.08% of Mg, 0.04-0.08% of Sc, 0.2-0.4% of modified graphene, and the balance Al and impurities. The modified graphene is mainly prepared by nano-TiO2, Fe powder, lanthanum oxide, zinc powder and graphene powder. The aluminum alloy is low in resistivity, and good in creep-resistant performance and fatigue-resistant performance.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloys, and in particular relates to an Al-Cu-Mg-Mn series aluminum alloy for cables. 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 cables at...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/10C22F1/04H01B1/02
CPCH01B1/023C22C1/101C22C1/1036C22C21/00C22F1/002C22F1/04C22C1/1047
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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