Rare earth graphene aluminum alloy type conductive wire material and preparation method thereof

A graphene and aluminum alloy technology, applied in the direction of conductive materials, conductive materials, metal/alloy conductors, etc., can solve the problems of uneven dispersion and agglomeration, poor electrical conductivity, and difficulty in mass industrial production, and achieve mechanical properties Good, widely used effect

Inactive Publication Date: 2017-05-10
SICHUAN XINYIMAI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the limitations of the aluminum itself, the electrical conductivity is poor; and if graphene is added, it is easy to cause uneven dispersion and agglomeration or the problem that it is difficult to realize large-scale industrial production; the present invention provides a suitable for industrial production, Rare earth graphene aluminum alloy conductive wire with good electrical conductivity and comprehensive physical properties and preparation method thereof

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  • Rare earth graphene aluminum alloy type conductive wire material and preparation method thereof

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Embodiment 1

[0018] (1) A conductive wire rod of a rare earth graphene aluminum alloy, which is an Al-Fe-C-S-R aluminum alloy, wherein the weight ratio of each element component is: 0.49wt% Fe, 2.5wt% C, S including 0.02wt% V and 0.05wt% Cr, 0.24wt% R; the balance is Al; C is a single-layer carbon element graphene; a preparation method of a conductive wire of a rare earth graphene aluminum alloy: the prepared aluminum Fe alloy, aluminum C alloy, aluminum S alloy, aluminum R alloy and 99.8% pure aluminum are placed in the melting furnace according to the proportion of (1), and the melting temperature is 760°C;

[0019] (2) Melting treatment of rare earth graphene aluminum alloy: the smelted rare earth graphene aluminum alloy metal liquid is added to the refining agent in a 750°C holding furnace, and the high temperature resistant alloy steel double blade stirrer is used to stir at a rate of 30 rpm for 30 After stirring, the temperature was raised to 890°C and kept for 60 minutes.

[0020] ...

Embodiment 2

[0030] (1) A conductive wire rod of a rare earth graphene aluminum alloy, which is an Al-Fe-C-S-R aluminum alloy, wherein the weight ratio of each element component is: 0.45wt% Fe, 2.1wt% C, and 0.21wt% S V, 0.3wt% R; the remainder is Al; C is single-layer carbon element graphene;

[0031] (2) Melting rare earth graphene aluminum alloy: put the prepared aluminum Fe alloy, aluminum C alloy, aluminum S alloy, aluminum R alloy and 99.8% pure aluminum in the melting furnace according to the ratio of (1) Refining, the melting temperature is 755°C.

[0032] (3) Rare earth graphene aluminum alloy melting treatment: Add refining agent to the smelted rare earth graphene aluminum alloy metal liquid in a 750°C holding furnace, and stir for 40 minutes at a rate of 36 rpm with a high temperature resistant alloy steel double blade stirrer After the stirring is completed, the temperature is raised to 850° C. and the temperature is kept for 60 minutes.

[0033](4) Casting the rare earth gra...

Embodiment 3

[0042] (1) A rare-earth graphene aluminum alloy conductive wire rod is an Al-Fe-C-S-R aluminum alloy, wherein the weight ratio of each element component is: 0.31wt% Fe, 1.8wt% C, and S is 0.13wt% Ti And the Ni of 0.05wt%, the R of 0.11wt%; The remainder is Al; C is single-layer carbon element graphene;

[0043] (2) Melting rare earth graphene aluminum alloy: put the prepared aluminum Fe alloy, aluminum C alloy, aluminum S alloy, aluminum R alloy and 99.8% pure aluminum in the melting furnace according to the ratio of (1) Refining, the melting temperature is 750°C.

[0044] (3) Rare earth graphene aluminum alloy melting treatment: Add refining agent to the smelted rare earth graphene aluminum alloy metal liquid in a 750°C holding furnace, and stir for 30 minutes at a rate of 30 rpm with a high temperature resistant alloy steel double blade stirrer After the stirring is completed, the temperature is raised to 890° C. and the temperature is kept for 60 minutes.

[0045] (4) Cas...

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Abstract

The invention discloses a rare earth graphene aluminum alloy type conductive wire material and a preparation method thereof. The rare earth graphene aluminum alloy is an Al-Fe-C-S-R aluminum alloy, and comprises, by weight percentage, S, C, Fe and the balance Fe, wherein the sum of the content of S and the content of C is not more than 3.25wt %, the content of Fe is not more than 0.5wt%, the content of R ranges from 0.005wt % to 0.25wt %, C is single-layer carbon element graphene, S is a combination of one or more elements of V, Ti, Cr, Mn, and Ni, and R is a combination of one or more elements of rare earth elements. Graphene with high conductivity is added into the rare earth aluminum alloy formula, and the conductivity of the rare earth graphene aluminum alloy is improved by using a special melting technology. The rare earth graphene aluminum alloy type conductive wire material can be better applied to the field of cable wire manufacturing.

Description

technical field [0001] The invention relates to the field of conductive wires, in particular to a rare earth graphene aluminum alloy conductive wire and a preparation method thereof. Background technique [0002] For a long time, conductive wire has been the main raw material for the manufacture of cables, wires, enameled wires, conductor profiles, connection and conversion terminals, etc. Especially in recent years, the power industry has achieved sustained and rapid growth, the growth of basic engineering construction and the rapid development of household appliances. The demand and application of conductive wires bring a wider field, followed by an increase in the demand for conductive wires and higher requirements. At present, most of the conductive wires used in various fields are made of copper conductive wires, and a few are made of ordinary aluminum alloy or pure aluminum conductive wires. For this reason, the production of conductive wire requires a large amount of...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04H01B1/02
CPCC22C21/00C22C32/0084C22F1/04H01B1/023
Inventor 王典典熊维萍
Owner SICHUAN XINYIMAI TECH CO LTD
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