CN113724932A - Novel graphene reinforced aluminum wire and preparation method thereof - Google Patents
Novel graphene reinforced aluminum wire and preparation method thereof Download PDFInfo
- Publication number
- CN113724932A CN113724932A CN202111031901.3A CN202111031901A CN113724932A CN 113724932 A CN113724932 A CN 113724932A CN 202111031901 A CN202111031901 A CN 202111031901A CN 113724932 A CN113724932 A CN 113724932A
- Authority
- CN
- China
- Prior art keywords
- graphene
- shielding layer
- layer
- novel
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/04—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of carbon-silicon compounds, carbon or silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0009—Details relating to the conductive cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/027—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of semi-conducting layers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention relates to the technical field of wires and discloses a novel graphene reinforced aluminum wire which comprises a wire core, a shielding layer and a protective layer; the sinle silk outside is equipped with the shielding layer, and the outside of shielding layer is equipped with the protective layer. This novel graphite alkene reinforcing aluminum wire adopts the graphite alkene aluminum alloy to be the sinle silk, and its electric conductivity is strong, compares the aluminum alloy and has stronger electric conductive property, and according to the advantage on heat conduction, wear-resisting, the shock attenuation, the resistivity that the cooperation shielding layer can reduce the semi-conductive shielding volume of cable improves the homogenization electric field, is favorable to the power conduction.
Description
Technical Field
The invention relates to the technical field of wires, in particular to a novel graphene reinforced aluminum wire and a preparation method thereof.
Background
The aluminum alloy power cable is a novel material power cable which takes an aluminum alloy material as a conductor and adopts advanced technologies such as a special roll forming molded line stranding production process and annealing treatment. The alloy power cable makes up the defects of the conventional pure aluminum cable, improves the bending property, creep resistance, corrosion resistance and the like greatly although the conductivity of the cable is not improved, and can ensure that the cable keeps stable continuity performance when overloaded and overheated for a long time.
In recent years, with the rapid development of the preparation and dispersion technology of graphene and graphene-like materials, the graphene material has higher strength, higher modulus, larger specific surface area and better elongation performance, and the electrical conductivity, tensile strength, yield strength and other properties of metal can be obviously improved by adding a small amount of graphene.
Aiming at the advantages of graphene, aluminum alloy is adopted as a material, and a novel graphene reinforced aluminum wire and a preparation method thereof are researched.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a novel graphene reinforced aluminum wire and a preparation method thereof.
The invention provides the following technical scheme: a novel graphene reinforced aluminum wire comprises a wire core, a shielding layer and a protective layer;
the sinle silk outside is equipped with the shielding layer, and the outside of shielding layer is equipped with the protective layer.
Preferably, the wire core is made of graphene aluminum alloy.
Preferably, the shielding layer is made of a graphene semiconductor material.
Preferably, the protective layer is formed by weaving glass fibers, and the outer layer is coated with a layer of silica gel.
A preparation method of a novel graphene reinforced aluminum wire comprises the following operations:
s1, grinding the graphene nanosheets in a ball mill, adding 7075 aluminum alloy powder with the particle size of 10um serving as a matrix, mixing, sintering the mixed powder into an alloy by a spark plasma sintering technology, and forming an alloy wire core by heat treatment, wire drawing and stranding processes;
s2, coating the wire core by taking the graphene semiconductor material as a shielding layer;
and S3, weaving a protective layer on the shielding layer by using glass fibers, and coating the glass fibers with silica gel to form the complete lead.
Preferably, the graphene nanosheet powder and the aluminum alloy powder are proportioned according to a ratio of 1: 8.23.
Preferably, the surface of the alloy wire core is coated with a layer of insulating material after the alloy wire core is formed.
Compared with the prior art, the invention has the following beneficial effects:
the novel graphene reinforced aluminum conductor adopts the graphene aluminum alloy as the wire core, has strong electrical conductivity, has stronger electrical conductivity compared with aluminum alloy, and can reduce the resistivity of the semi-conductive shielding volume of the cable by matching with the shielding layer according to the advantages of heat conduction, wear resistance and shock absorption, improve the homogenized electric field and be beneficial to electric power conduction;
in addition, the preparation method can be used for large-scale production, aiming at the agglomeration of graphene in aluminum, a ball milling method is adopted, the agglomeration behavior of graphene in aluminum can be obviously improved, aluminum powder particles can be refined through ball milling, graphene sheet layers can be further thinned, the interface wetting behavior of graphene and aluminum can be improved through ball milling mixed powder, certain electronic enrichment is realized on the surfaces of deformed aluminum powder particles along with the transfer of charges in the ball milling process, charged ions can adsorb graphene, the graphene and the aluminum powder particles are fully contacted, the interface binding force is improved, the performance of the produced wire core is stronger, and the large-scale production can be realized by matching with a shielding layer and a protective layer.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: 1. a wire core; 2. a shielding layer; 3. and a protective layer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure, and in order to keep the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known parts of the disclosure are omitted to avoid unnecessarily obscuring the concepts of the present disclosure.
Referring to fig. 1, a novel graphene reinforced aluminum conductor includes a wire core 1, a shielding layer 2 and a protective layer 3; the 1 outside of sinle silk is equipped with shielding layer 2, and shielding layer 2's the outside is equipped with protective layer 3.
The wire core 1 is made of graphene aluminum alloy.
The shielding layer 2 is made of graphene semiconductor materials.
The protective layer 3 is formed by weaving glass fibers, and a layer of silica gel is coated on the outer layer.
Example 1
A preparation method of a novel graphene reinforced aluminum wire comprises the following operations:
firstly, washing and drying a ball milling tank and stainless steel balls, ensuring the cleanness of the ball milling tank and the stainless steel balls, then respectively adding aluminum alloy powder and graphene powder with the same mass into the two stainless steel ball milling tanks, using bolts to fasten the ball milling tanks, grinding at the speed of 200r/min, opening air hole bolts of the ball milling tanks before ball milling, using a pressure pump to connect with air holes of the ball milling tanks to extract vacuum, and screwing the bolts;
grinding for 4h, after the process is finished, unscrewing the bolt, taking out the powder by using a medicine spoon, placing the powder in a packaging bag, and vacuumizing the powder by using a vacuum packaging machine;
performing SPS sintering on the composite powder with the same mass, putting the mixed powder into a cylindrical graphite mold, then closing a sintering furnace valve, closing a vacuum valve, vacuumizing, resetting the displacement when the vacuum degree is reduced to below 6Pa, starting a process after data recording is started, completing the sintering process, and finally forming the graphene aluminum alloy;
the graphene semiconductor material is used as a shielding layer to coat the wire core, a glass fiber is utilized to weave a protective layer on the shielding layer, and silica gel is used to coat the glass fiber to form a complete wire.
Example 2
A preparation method of a novel graphene reinforced aluminum wire comprises the following operations:
heating a pure aluminum rod to about 700 ℃ by adopting TXZ-25 medium-frequency induction heating equipment, wherein the heating power is 200W, then adding weighed graphene wrapped by aluminum foil, keeping the temperature for 30min at about 170 ℃ and 700 ℃ so that the graphene and aluminum solution can have a wetting process, then carrying out ultrasonic dispersion on the mixture by adopting a Ymnl-1800Y ultrasonic crusher, wherein the ultrasonic power is 720W and the ultrasonic action time is 3min, finally pouring the mixed solution after the ultrasonic action into a preset mold, and carrying out solidification molding to finally form the graphene aluminum alloy;
the graphene semiconductor material is used as a shielding layer to coat the wire core, a glass fiber is utilized to weave a protective layer on the shielding layer, and silica gel is used to coat the glass fiber to form a complete wire.
Example 3
Processing graphene powder by adopting a ball mill, and performing ultrasonic treatment on the processed powder for 30 minutes to disperse the processed powder in an absolute ethyl alcohol solvent;
uniformly dispersing the powder in ethanol, adding Al powder every 5 minutes, performing ultrasonic treatment and auxiliary mechanical stirring treatment on the mixed solution for 2 hours after adding the powder, and drying the mixed solution in an oven at 60 ℃ for 7 hours to remove the ethanol;
sintering the dried powder in a discharge plasma sintering furnace under a vacuum condition, wherein the maximum pressure and the maximum temperature are respectively 50MPa and 550 ℃, and keeping the maximum pressure and the maximum temperature for 40 minutes to obtain the graphene aluminum wire;
the graphene semiconductor material is used as a shielding layer to coat the wire core, a glass fiber is utilized to weave a protective layer on the shielding layer, and silica gel is used to coat the glass fiber to form a complete wire.
Experiment of
It can be seen that the wire performance is stronger than that of aluminum wire.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (7)
1. The utility model provides a novel graphite alkene reinforcing aluminium wire which characterized in that: the cable comprises a cable core, a shielding layer and a protective layer;
the sinle silk outside is equipped with the shielding layer, and the outside of shielding layer is equipped with the protective layer.
2. The novel graphene reinforced aluminum conductor of claim 1, wherein: the wire core is made of graphene aluminum alloy.
3. The novel graphene reinforced aluminum conductor of claim 1, wherein: the shielding layer is made of graphene semiconductor materials.
4. The novel graphene reinforced aluminum conductor of claim 1, wherein: the protective layer is formed by weaving glass fibers, and a layer of silica gel is coated on the outer layer.
5. A preparation method of a novel graphene reinforced aluminum wire is characterized by comprising the following operations:
s1, grinding the graphene nanosheets in a ball mill, adding 7075 aluminum alloy powder with the particle size of 10um serving as a matrix, mixing, sintering the mixed powder into an alloy by a spark plasma sintering technology, and forming an alloy wire core by heat treatment, wire drawing and stranding processes;
s2, coating the wire core by taking the graphene semiconductor material as a shielding layer;
and S3, weaving a protective layer on the shielding layer by using glass fibers, and coating the glass fibers with silica gel to form the complete lead.
6. The preparation method of the novel graphene reinforced aluminum conductor according to claim 5, wherein the preparation method comprises the following steps: the graphene nanosheet powder and the aluminum alloy powder are proportioned according to the weight ratio of 1: 8.23.
7. The preparation method of the novel graphene reinforced aluminum conductor according to claim 5, wherein the preparation method comprises the following steps: and after the alloy wire core is formed, a layer of insulating material is coated on the surface of the alloy wire core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111031901.3A CN113724932A (en) | 2021-09-03 | 2021-09-03 | Novel graphene reinforced aluminum wire and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111031901.3A CN113724932A (en) | 2021-09-03 | 2021-09-03 | Novel graphene reinforced aluminum wire and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113724932A true CN113724932A (en) | 2021-11-30 |
Family
ID=78681420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111031901.3A Pending CN113724932A (en) | 2021-09-03 | 2021-09-03 | Novel graphene reinforced aluminum wire and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113724932A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913614A (en) * | 2023-09-13 | 2023-10-20 | 深圳特新界面科技有限公司 | Graphene aluminum alloy conductive wire and cold rolling preparation method thereof |
-
2021
- 2021-09-03 CN CN202111031901.3A patent/CN113724932A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116913614A (en) * | 2023-09-13 | 2023-10-20 | 深圳特新界面科技有限公司 | Graphene aluminum alloy conductive wire and cold rolling preparation method thereof |
| CN116913614B (en) * | 2023-09-13 | 2024-01-09 | 深圳特新界面科技有限公司 | Graphene aluminum alloy conductive wire and cold rolling preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109873152B (en) | Graphene-silicon-based composite negative electrode material for lithium ion battery and preparation method thereof | |
| CN105624445A (en) | Preparation method of graphene-reinforced copper-based composite | |
| CN111349810B (en) | Graphene/copper composite wire and preparation method thereof | |
| CN104263983B (en) | A kind of method preparing high-strength highly-conductive heat-resisting aluminium alloy | |
| CN109338148B (en) | Graphene-copper-chromium-zirconium alloy and preparation method thereof | |
| CN107058786A (en) | A kind of preparation method of magnesium-based graphene composite material | |
| CN109554565A (en) | A kind of interface optimization method of carbon nanotube enhanced aluminium-based composite material | |
| CN110144480A (en) | A kind of preparation method of cable graphene/aluminum composite material monofilament | |
| CN107675048A (en) | A kind of highly conductive middle strength aluminium alloy and preparation method thereof | |
| CN110257662B (en) | Copper-graphene composite material and preparation method thereof | |
| CN113724932A (en) | Novel graphene reinforced aluminum wire and preparation method thereof | |
| CN105506329A (en) | Preparation method for Cu-Al2O3 nano dispersion strengthened alloy with high Al2O3 concentration | |
| CN102554215A (en) | Thermal treatment method for nanometer tantalum powder | |
| CN102543304B (en) | Method for preparing MgB2 superconducting wire | |
| CN109295333A (en) | The preparation method of three-dimensional grapheme-carbon/carbon-copper composite material and composite electric wire | |
| CN112410597B (en) | Preparation method of nano WC dispersion strengthened copper | |
| CN110690442B (en) | Preparation method of ordered mesoporous metal oxide @ carbon lithium ion battery cathode material | |
| CN111172422A (en) | Preparation method of aluminum oxide dispersion strengthening copper-based composite material | |
| CN103602847A (en) | Method for preparing carbon-nanotube-modified aluminum material from boride-coated single-walled carbon nanotubes | |
| CN107475581A (en) | Graphene oxide Al alloy composite and preparation method thereof | |
| CN105112734B (en) | A kind of graphene/aluminum composite material | |
| CN114645149B (en) | Preparation method of in-situ synthesized graphene/copper composite material with composite interface structure | |
| CN109321775B (en) | Method for preparing copper-based composite material with directionally arranged carbon nano tubes | |
| CN115522096B (en) | Preparation method of copper-chromium alloy with heterogeneous lamellar structure | |
| CN105037991B (en) | A kind of bismuthic acid barium nanometer rods electronic package material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |