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A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene

An alloy wire and graphene technology, which is applied in the preparation of high-conductivity alloy wires and high-strength fields, can solve problems such as poor performance, and achieve the effects of reducing uneven dispersion, reducing accumulation, and excellent strength and conductivity.

Active Publication Date: 2022-05-20
深圳市黑金工业制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aluminum conductors are less expensive than copper conductors, but perform poorly

Method used

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  • A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene
  • A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene
  • A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene

[0039] (1) Take 100ml of deionized water, add 0.1g of sodium dodecyl sulfonate, add 0.1g of sodium carboxymethylcellulose, stir, and mix well;

[0040] (2) Add 0.5g of graphene, 200W ultrasonic dispersion for 1h;

[0041] (3) Add 3g of alumina powder, 200W ultrasonic dispersion for 0.5h;

[0042] (4) Freeze drying;

[0043] (5) Vacuum pumping, circulating water vacuum pump pumping to gauge pressure -10kPa;

[0044] (6) Under a nitrogen atmosphere, roast at 500°C for 1 hour to obtain a graphene-alumina mixed powder, which is set aside;

[0045] (7) The aluminum raw material is melted in a heating furnace at 750° C., and graphene-alumina mixed powder is added to obtain an aluminum alloy molten metal; the percentage by weight of graphene in the aluminum alloy molten metal is 0.5%;

[0046] (8) casting and rolling, cooling;

[0047] (9) Heat treatment and drawing to obtain...

Embodiment 2

[0051] A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene

[0052] (1) Take 100ml of deionized water, add 0.1g of Tween 80, add 0.1g of xanthan gum, stir, and mix well;

[0053] (2) Add 0.5g of graphene, 200W ultrasonic dispersion for 1h;

[0054] (3) Add 3g of alumina powder, 200W ultrasonic dispersion for 0.5h;

[0055] (4) Freeze drying;

[0056] (5) Vacuum pumping, circulating water vacuum pump pumping to gauge pressure -10kPa;

[0057] (6) Under a nitrogen atmosphere, roast at 500°C for 1 hour to obtain a graphene-alumina mixed powder, which is set aside;

[0058] (7) The aluminum raw material is melted in a heating furnace at 750° C., and the graphene-alumina mixed powder is added to obtain the aluminum alloy molten metal; the weight percentage of graphene in the aluminum alloy molten metal is 0.5%;

[0059] (8) casting and rolling, cooling;

[0060] (9) Heat treatment and drawing to obtain a 3mm wire, that is, the graphe...

Embodiment 3

[0063] A kind of preparation method of high-strength, high-conductivity alloy wire containing graphene

[0064] (1) Take 100ml of deionized water, add 0.1g of sodium dodecyl sulfonate, add 0.1g of sodium carboxymethylcellulose, stir, and mix well;

[0065](2) Add 0.5g of graphene, 200W ultrasonic dispersion for 1h;

[0066] (3) Add 3g of alumina powder, 200W ultrasonic dispersion for 0.5h;

[0067] (4) Freeze drying;

[0068] (5) Vacuum pumping, the circulating water vacuum pump is pumping to gauge pressure -8kPa;

[0069] (6) Under a nitrogen atmosphere, roast at 550°C for 1 hour to obtain a graphene-alumina mixed powder, which is set aside;

[0070] (7) The aluminum raw material is melted in a heating furnace at 800° C., and graphene-alumina mixed powder is added to obtain an aluminum alloy molten metal; the percentage by weight of graphene in the aluminum alloy molten metal is 0.5%;

[0071] (8) casting and rolling, cooling;

[0072] (9) Heat treatment and drawing to o...

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Abstract

The invention discloses a preparation method of a high-strength and high-conductivity alloy wire containing graphene, which belongs to the technical field of new materials. The method includes the following steps: S11, mixing deionized water with a surfactant and a thickener; S12, adding graphene and mixing; S13, adding alumina powder and mixing to obtain a graphene mixed solution; S14, freeze-drying; S15 , vacuum treatment; S16, roasting under nitrogen atmosphere; S17, melting the aluminum raw material in a heating furnace, adding the roasted product obtained in S16, to obtain aluminum alloy metal liquid; S18, casting and rolling, cooling; S19, heat treatment and drawing to obtain the A high-strength, high-conductivity alloy wire containing graphene is described. The preparation method of the present invention uses deionized water, a surfactant, and a water system composed of a thickener to disperse graphene and alumina powder as a dispersion matrix, so that the melting and mixing of graphene and aluminum raw materials is sufficient at last, reducing the amount of graphene The accumulation and dispersion of the interface with the aluminum raw material is not uniform.

Description

technical field [0001] The invention belongs to the technical field of new materials, and in particular relates to a method for preparing a graphene-containing high-strength and high-conductivity alloy wire. Background technique [0002] With the development of science and technology, the development of wire and cable has entered a new era, and the requirements for good electrical conductivity of conductors have become increasingly prominent. Aluminum conductors are less expensive than copper conductors, but perform poorly. Aluminum alloy is called the research hotspot of aluminum-based wire. [0003] Graphene is widely cited in the preparation of metal composites due to its mechanical properties, thermal conductivity, and thermal expansion properties. In the preparation of graphene-aluminum alloy composites, the dispersion of graphene is the key influence, which affects important performance parameters such as the strength and electrical conductivity of the obtained alumi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B13/00H01B13/008H01B1/04H01B1/02
CPCH01B13/00H01B13/0016H01B13/008H01B1/023H01B1/04
Inventor 贾涛洪旺周若楠习向智杨粉丽李蔓
Owner 深圳市黑金工业制造有限公司