A high-strength graphene rare earth aluminum alloy wire

A technology of aluminum alloy wire and graphene, which is applied in the direction of metal/alloy conductors, carbon silicon compound conductors, conductors, etc., can solve the problems of low strength and conductivity of aluminum alloy wires, and limit large-scale use, so as to reduce harmful Influence, increase density, increase strength effect

Active Publication Date: 2019-05-07
ANHUI NANYANG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The strength and conductivity of conventional aluminum alloy wires are not high, which limits its large-scale use in circuits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A high-strength graphene rare earth aluminum alloy wire proposed by the present invention includes an aluminum alloy matrix and graphene, and the components of the aluminum alloy matrix include: Y: 0.05%, Er: 0.08%, Pr: 0.01%, Cu : 1.5%, Si: 0.15%, Cr: 0.25%, Ca: 0.1%, Mn: 0.15%, Fe: 0.1%, Ni: 0.2%, Zn: 0.2%, Ti: 0.15%, Sr: 0.035%, Zr : 0.12%, the rest is Al; the content of graphene in the high-strength graphene rare earth aluminum alloy wire is 0.4%.

Embodiment 2

[0021] A high-strength graphene rare earth aluminum alloy wire proposed by the present invention includes an aluminum alloy matrix and graphene, and the components of the aluminum alloy matrix include: Y: 0.08%, Er: 0.05%, Pr: 0.03%, Cu : 1%, Si: 0.2%, Cr: 0.15%, Ca: 0.05%, Mn: 0.25%, Fe: 0.25%, Ni: 0.15%, Zn: 0.45%, Ti: 0.08%, Sr: 0.045%, Zr : 0.07%, the rest is Al.

[0022] Among them, the content of graphene in the high-strength graphene rare earth aluminum alloy wire is 0.3%;

[0023] Graphene is prepared according to the following process: add natural graphite and concentrated sulfuric acid to potassium permanganate solution, and react at 18°C ​​to obtain a graphene oxide solution; add graphene oxide solution to deionized water, heat up to 85°C, remove manganese oxide, washed, mixed with deionized water, ultrasonically treated, added with excess zinc sulfate-aluminum sulfate solution, fully stirred, then added with sodium citrate, washed and dried to obtain graphene.

Embodiment 3

[0025] A high-strength graphene rare earth aluminum alloy wire proposed by the present invention includes an aluminum alloy matrix and graphene, and the components of the aluminum alloy matrix include: Y: 0.065%, Er: 0.07%, Pr: 0.02%, Cu : 1.25%, Si: 0.18%, Cr: 0.21%, Ca: 0.08%, Mn: 0.2%, Fe: 0.19%, Ni: 0.175%, Zn: 0.32%, Ti: 0.11%, Sr: 0.04%, Zr : 0.09%, the rest is Al.

[0026] Among them, the content of graphene in the high-strength graphene rare earth aluminum alloy wire is 0.8%;

[0027]Graphene is prepared according to the following process: add 10 parts of natural graphite and 5 parts of concentrated sulfuric acid in 40 parts of potassium permanganate solution by weight, and react at 25 ° C for 2 hours to obtain a graphene oxide solution; in 20 parts of deionized water Add 20 parts of graphene oxide solution, heat up to 90°C, react for 40 minutes, remove manganese oxide, wash with deionized water for 4 times, mix with deionized water, ultrasonicate for 100 minutes, add...

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Abstract

The invention discloses a high-strength graphite rare earth aluminum alloy conductor. An aluminum alloy matrix comprises, by mass percentage, 0.05-0.08 of Y, 0.05-0.08 of Er, 0.01-0.03 of Pr, 1-1.5% of Cu, 0.15-0.2% of Si, 0.15-0.25% of Cr, 0.05-0.1% of Ca, 0.15-0.25% of Mn, 0.1-0.25% of Fe, 0.15-0.2% of Ni, 0.2-0.45% of Zn, 0.08-0.15% of Ti, 0.035-0.045% of Sr, 0.07-0.12% of Zr, with the balance being Al. The high-strength graphite rare earth aluminum alloy conductor presented by the invention has good mechanical properties, such as strength and toughness, and has good resistance to high temperature, impact resistance and electrical conductivity.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to a high-strength graphene rare earth aluminum alloy wire. Background technique [0002] Due to its low density, high strength and good processing performance, aluminum alloys are widely used in aviation, aerospace, construction and other fields. The reserves of aluminum in the earth's crust are extremely rich, accounting for about 7.45% of the total mass of the earth's crust, and its content ranks third after oxygen and silicon. The strength and conductivity of conventional aluminum alloy wires are not high, which limits their large-scale use in circuits. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes a high-strength graphene rare earth aluminum alloy wire, which has a reasonable formula, good mechanical properties such as strength and toughness, and has good high temperature resis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/02H01B1/04
CPCH01B1/023H01B1/04
Inventor 叶明高
Owner ANHUI NANYANG NEW MATERIAL TECH CO LTD
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