CN112038009B - Preparation method of alloy copper wire - Google Patents
Preparation method of alloy copper wire Download PDFInfo
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- CN112038009B CN112038009B CN202010977044.5A CN202010977044A CN112038009B CN 112038009 B CN112038009 B CN 112038009B CN 202010977044 A CN202010977044 A CN 202010977044A CN 112038009 B CN112038009 B CN 112038009B
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 43
- 239000000956 alloy Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 45
- 239000004020 conductor Substances 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 36
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 239000011247 coating layer Substances 0.000 claims abstract description 28
- 239000002904 solvent Substances 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 21
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000002243 precursor Substances 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000007598 dipping method Methods 0.000 claims abstract description 7
- 238000007781 pre-processing Methods 0.000 claims abstract description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 11
- 238000003756 stirring Methods 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 150000002191 fatty alcohols Chemical class 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 150000002193 fatty amides Chemical class 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 11
- 230000000149 penetrating effect Effects 0.000 abstract description 7
- 239000007769 metal material Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 11
- 238000012360 testing method Methods 0.000 description 5
- 238000003723 Smelting Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 3
- 235000020778 linoleic acid Nutrition 0.000 description 3
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coating With Molten Metal (AREA)
- Powder Metallurgy (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a preparation method of an alloy copper wire, belonging to the field of metal materials, wherein the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, and the amorphous coating layer comprises the following raw materials: preparing a solvent and an amorphous raw material; the preparation method of the alloy copper wire comprises the following steps: the method comprises the following steps: preprocessing the scale-shaped aluminum powder in an organic compound with a polar group to obtain a prefabricated solvent; step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material; step three: melting the amorphous raw material in a vacuum environment to obtain a molten liquid, penetrating the precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire. The alloy copper wire prepared by the invention has strong corrosion resistance, the coating layer is tightly combined with the metal conductor, and no crack exists.
Description
Technical Field
The invention relates to the field of materials, in particular to a preparation method of an alloy copper wire.
Background
The copper wire has excellent conductivity and is widely applied to power grid transportation. However, in the case of long-term use and exposure to corrosive environments (such as coastal areas, marine environments, acid rain areas, etc.), the corrosion resistance of the copper wire is very important in consideration of its range of use, and in addition, the strength of the copper wire is limited, and although the corrosion resistance of the conventional corrosion-resistant material (coating material) can be increased, the mechanical strength cannot be improved, so that the application in long-distance cable erection, mechanical circuit design, etc. is greatly limited. Therefore, it is necessary to develop an alloy copper wire.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a preparation method of an alloy copper wire.
The technical solution of the invention is as follows:
the preparation method of the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer comprises the following raw materials: preparing a solvent and an amorphous raw material;
the preparation method of the alloy copper wire comprises the following steps:
the method comprises the following steps: preprocessing the scale-shaped aluminum powder in an organic compound with a polar group to obtain a prefabricated solvent;
step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material;
step three: melting the amorphous raw material in a vacuum environment to obtain a molten liquid, penetrating the precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire.
As a further preferred method of the present invention, the amorphous coating layer has a thickness of 50 to 100 μm.
As a further preferred method of the present invention, the amorphous raw material is a mixture of zirconium powder and nickel powder.
In a further preferred method of the present invention, in the first step, the organic compound is at least one of a fatty acid, a fatty amine, a fatty amide, a fatty alcohol, and an ester of a fatty acid and a fatty alcohol.
As a further preferred method of the present invention, in the first step, a dispersant is added while the pretreatment is performed.
As a further preferred method of the present invention, the metal conductor is a copper wire.
As a further preferable method of the present invention, the mass ratio of the flaky aluminum powder to the organic compound is 1:50 to 110.
As a further preferred method of the present invention, in the step one, a specific process of pretreatment is as follows: stirring at 1000-1500r/min under the ultrasonic environment.
As a further preferred method of the present invention, in the third step, the prescribed rate is 1 to 10 m/s.
As a further preferred method of the present invention, in the third step, a precursor material is passed through the melt at a prescribed rate under an inert environment.
The invention has at least the following beneficial effects:
(1) according to the preparation method of the alloy copper wire, the surface of the metal conductor is coated with the amorphous coating layer, and the amorphous coating layer can form the amorphous passive film in a corrosive environment, so that ions are difficult to move due to the disordered structure contained in the amorphous passive film, and the alloy copper wire has high corrosion resistance.
(2) According to the preparation method of the alloy copper wire, the scale-shaped aluminum powder is added, the scale-shaped structure of the scale-shaped aluminum powder can improve the adhesive force of the metal conductor and the amorphous coating layer, and meanwhile, the scale-shaped aluminum powder has a shielding effect and also has certain corrosion resistance, so that the service life of the copper alloy is further prolonged.
Detailed Description
This section will describe in detail specific embodiments of the invention.
The preparation method of the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer comprises the following raw materials: preparing a solvent and an amorphous raw material;
the preparation method of the alloy copper wire comprises the following steps:
the method comprises the following steps: preprocessing the scale-shaped aluminum powder in an organic compound with a polar group to obtain a prefabricated solvent;
step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material;
step three: melting the amorphous raw material in a vacuum environment to obtain a molten liquid, penetrating the precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire.
As a further preferred method of the present invention, the amorphous coating layer has a thickness of 50 to 100 μm.
As a further preferred method of the present invention, the amorphous raw material is a mixture of zirconium powder and nickel powder.
In a further preferred method of the present invention, in the first step, the organic compound is at least one of a fatty acid, a fatty amine, a fatty amide, a fatty alcohol, and an ester of a fatty acid and a fatty alcohol.
As a further preferred method of the present invention, in the first step, a dispersant and a binder are added while performing the pretreatment.
As a further preferred method of the present invention, the metal conductor is a copper wire.
As a further preferable method of the present invention, the mass ratio of the flaky aluminum powder to the organic compound is 1:50 to 110.
As a further preferred method of the present invention, in the step one, a specific process of pretreatment is as follows: stirring at 1000-1500r/min under the ultrasonic environment.
As a further preferred method of the present invention, in the third step, the prescribed rate is 1 to 10 m/s.
As a further preferred method of the present invention, in the third step, a precursor material is passed through the melt at a prescribed rate under an inert environment.
The invention is further illustrated by the following specific embodiments.
Example 1
The preparation method of the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer comprises the following raw materials: the method comprises the following steps of preparing a solvent and an amorphous raw material, wherein the amorphous raw material is prepared from the following raw materials in a mass ratio of 4: 1 a mixture of zirconium powder and nickel powder; the thickness of the amorphous coating layer is 50 μm. The metal conductor is a copper wire.
The preparation method of the alloy copper wire comprises the following steps:
the method comprises the following steps: under an ultrasonic environment, adding scale-shaped aluminum powder into an organic compound with a polar group, and stirring at the stirring speed of 1000r/min to obtain a pre-prepared solvent; the mass ratio of the scale-shaped aluminum powder to the organic compound is 1: 50; the organic compound is linoleic acid.
Step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material;
step three: melting an amorphous raw material in a vacuum environment to obtain a molten liquid, specifically, putting zirconium powder into an electric arc furnace for repeated smelting, penetrating a precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire. In the third step, the specified speed is 1 m/s.
Example 2
The preparation method of the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer comprises the following raw materials: the method comprises the following steps of preparing a solvent and an amorphous raw material, wherein the amorphous raw material is prepared from the following raw materials in a mass ratio of 4: 1 a mixture of zirconium powder and nickel powder; the thickness of the amorphous coating layer is 50 μm. The metal conductor is a copper wire.
The parts described below are parts by weight;
the preparation method of the alloy copper wire comprises the following steps:
the method comprises the following steps: under an ultrasonic environment, adding scale-shaped aluminum powder into an organic compound with a polar group, and stirring at a stirring speed of 1200r/min to obtain a pre-prepared solvent; the mass ratio of the scale-shaped aluminum powder to the organic compound is 1: 70; the organic compound is linoleic acid.
Step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material;
step three: melting an amorphous raw material in a vacuum environment to obtain a molten liquid, specifically, putting zirconium powder into an electric arc furnace for repeated smelting, penetrating a precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire. In the third step, the specified speed is 1 m/s.
Example 3
The preparation method of the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer comprises the following raw materials: the method comprises the following steps of preparing a solvent and an amorphous raw material, wherein the amorphous raw material is prepared from the following raw materials in a mass ratio of 5: 1 a mixture of zirconium powder and nickel powder; the thickness of the amorphous coating layer is 60 μm. The metal conductor is a copper wire.
The preparation method of the alloy copper wire comprises the following steps:
the method comprises the following steps: under an ultrasonic environment, adding scale-shaped aluminum powder into an organic compound with a polar group, and stirring at a stirring speed of 1500r/min to obtain a pre-prepared solvent; the mass ratio of the scale-shaped aluminum powder to the organic compound is 1: 110; the organic compound is linoleic acid.
Step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material;
step three: melting an amorphous raw material in a vacuum environment to obtain a molten liquid, specifically, putting zirconium powder into an electric arc furnace for repeated smelting, penetrating a precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire. In the third step, the specified speed is 1 m/s.
Example 4
This example is a variation made on the basis of example 2, and specifically the prescribed rate is 3 m/s.
Example 5
This example is a variation made on the basis of example 2, and specifically, the prescribed rate is 7 m/s.
Example 6
This example is a variation made on the basis of example 2, and specifically, the prescribed rate is 12 m/s.
Example 7
This example is a modification of example 2, wherein in step one, a dispersant is added while the pretreatment is performed, and the dispersant is sodium polyacrylate.
Example 8
This example is a modification of example 2, in which, in the first step, a dispersant and a binder are added while performing pretreatment, the dispersant is sodium polyacrylate, and the binder is polyvinyl alcohol.
Comparative example 1 (No Preset solvent)
The preparation method of the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer is an amorphous raw material which is a mixture of zirconium powder and nickel powder; the thickness of the amorphous coating layer is 50 μm. The metal conductor is a copper wire.
The parts described below are parts by weight;
the preparation method of the alloy copper wire comprises the following steps:
step three: melting an amorphous raw material in a vacuum environment to obtain a molten liquid, specifically, putting zirconium powder into an electric arc furnace for repeated smelting, penetrating a precursor material through the molten liquid at a specified speed, and cooling to obtain the alloy copper wire. In the third step, the specified speed is 1 m/s.
Comparative example 2 (non-crystalline coating)
As this comparative example, a copper wire similar to that of example 2 was used.
The alloy copper wires of the above examples and comparative examples were subjected to corrosion resistance tests and yield strength tests, the test methods being as follows: corrosion resistance experiment: carrying out a neutral salt spray test in a sodium chloride solution environment with the mass concentration of 5% by taking GB/T10125-1997 as a test basis;
and (3) testing yield strength: uniaxial compression tests were performed on samples with an aspect ratio of 2:1, at a compression rate of 5X 10-4s-1The yield strength of the samples was measured and is shown in table 1.
From the above table, it can be seen that the corrosion resistance of the examples is better than that of the comparative examples, and the yield strength of the examples is also greater than that of the comparative examples, the main reasons may be as follows: according to the comparative Fen analysis between the comparative example 1 and the embodiment, the comparative example 1 is free of a prefabricated solvent, namely, the step one and the step two are omitted, the embodiment adopts the prefabricated solvent, the scale-shaped structure of the scale-shaped aluminum powder is mainly more beneficial to the mutual infiltration of two phases, the adhesive force of the scale-shaped aluminum powder is improved, and meanwhile, the metal conductor is immersed in the prefabricated solvent, so that the scale-shaped aluminum powder can be better attached to the surface of the metal conductor, the subsequent working procedures can be better facilitated, meanwhile, the aluminum powder has good corrosion resistance and also has a certain shielding effect, and the application of the alloy copper wire in the electrical industry is more facilitated; it can be known from comparative example 2 and comparative analysis of the embodiment that the copper wire without the coating layer in comparative example 2 is compared, mainly because the amorphous structure is coated on the surface of the copper wire, the surface of the copper wire forms the amorphous structure by adopting a rapid penetration method, the amorphous structure has high dislocation density, uniform macroscopic structure and no defects such as crystal boundary and the like, namely, the strength is improved, and in addition, a passivation film in a corrosive liquid has a disordered structure, so that ions are difficult to move, and the copper wire has high corrosion resistance.
In addition, the best performance of example 8 is mainly due to the fact that the addition of the binder and the dispersant can more uniformly attach the scale-shaped aluminum powder on the surface of the metal conductor, and the combination of the two phases can be improved.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A preparation method of an alloy copper wire is characterized by comprising the following steps: the alloy copper wire comprises a metal conductor and an amorphous coating layer coated on the surface of the metal conductor, wherein the amorphous coating layer comprises the following raw materials: preparing a solvent and an amorphous raw material;
the preparation method of the alloy copper wire comprises the following steps:
the method comprises the following steps: preprocessing the scale-shaped aluminum powder in an organic compound with a polar group to obtain a prefabricated solvent;
step two: dipping the metal conductor in the prefabricated solvent in the step one to obtain a precursor material;
step three: melting an amorphous raw material in a vacuum environment to obtain a molten liquid, allowing a precursor material to pass through the molten liquid at a specified speed, and cooling to obtain an alloy copper wire;
the amorphous raw material is a mixture of zirconium powder and nickel powder;
in the first step, the organic compound is at least one of fatty acid, fatty amine, fatty amide, fatty alcohol and ester formed by fatty acid and fatty alcohol;
the metal conductor is a copper wire.
2. The method for preparing an alloy copper wire according to claim 1, wherein the method comprises the following steps: the thickness of the amorphous coating layer is 50-100 μm.
3. The method for preparing an alloy copper wire according to claim 1, wherein the method comprises the following steps: in the first step, a dispersant is added while the pretreatment is performed.
4. The method for preparing an alloy copper wire according to claim 1, wherein the method comprises the following steps: the mass ratio of the scale-shaped aluminum powder to the organic compound is 1: 50-110.
5. The method for preparing an alloy copper wire according to claim 1, wherein the method comprises the following steps: in the first step, the specific process of pretreatment is as follows: stirring at 1000-1500r/min under the ultrasonic environment.
6. The method for preparing an alloy copper wire according to claim 1, wherein the method comprises the following steps: in the third step, the specified speed is 1-10 m/s.
7. The method for preparing an alloy copper wire according to claim 1, wherein the method comprises the following steps: and in the third step, the precursor material passes through the molten liquid at a specified speed in an inert environment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010977044.5A CN112038009B (en) | 2020-09-17 | 2020-09-17 | Preparation method of alloy copper wire |
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| CN202010977044.5A CN112038009B (en) | 2020-09-17 | 2020-09-17 | Preparation method of alloy copper wire |
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| CN112038009A CN112038009A (en) | 2020-12-04 |
| CN112038009B true CN112038009B (en) | 2021-06-11 |
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Citations (7)
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|---|---|---|---|---|
| JPH07240119A (en) * | 1994-02-28 | 1995-09-12 | Hitachi Cable Ltd | Strand conductor for transmission line |
| JPH0870525A (en) * | 1994-08-29 | 1996-03-12 | Sumitomo Electric Ind Ltd | Magnetic alloy member for melting snow and ice on electric wire |
| CN101139689A (en) * | 2007-08-16 | 2008-03-12 | 北京科技大学 | Continuous preparation equipment and process for metal glass clad metal wire composite material |
| CN102181191A (en) * | 2011-04-07 | 2011-09-14 | 安徽海程涂复科技有限公司 | Alloy antiseptic composite coating for coal mine underground gas pipe |
| CN102225597A (en) * | 2011-06-03 | 2011-10-26 | 蒙特集团（香港）有限公司 | Continuous wire used for cutting hard and crisp materials and preparation method thereof |
| CN102779575A (en) * | 2012-07-26 | 2012-11-14 | 重庆师范大学 | Metal wire for improving strength and corrosion resistance and preparation method thereof |
| CN104884540A (en) * | 2012-12-28 | 2015-09-02 | 东洋铝株式会社 | Method for producing aluminum flake paste |
-
2020
- 2020-09-17 CN CN202010977044.5A patent/CN112038009B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07240119A (en) * | 1994-02-28 | 1995-09-12 | Hitachi Cable Ltd | Strand conductor for transmission line |
| JPH0870525A (en) * | 1994-08-29 | 1996-03-12 | Sumitomo Electric Ind Ltd | Magnetic alloy member for melting snow and ice on electric wire |
| CN101139689A (en) * | 2007-08-16 | 2008-03-12 | 北京科技大学 | Continuous preparation equipment and process for metal glass clad metal wire composite material |
| CN102181191A (en) * | 2011-04-07 | 2011-09-14 | 安徽海程涂复科技有限公司 | Alloy antiseptic composite coating for coal mine underground gas pipe |
| CN102225597A (en) * | 2011-06-03 | 2011-10-26 | 蒙特集团（香港）有限公司 | Continuous wire used for cutting hard and crisp materials and preparation method thereof |
| CN102779575A (en) * | 2012-07-26 | 2012-11-14 | 重庆师范大学 | Metal wire for improving strength and corrosion resistance and preparation method thereof |
| CN104884540A (en) * | 2012-12-28 | 2015-09-02 | 东洋铝株式会社 | Method for producing aluminum flake paste |
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| CN112038009A (en) | 2020-12-04 |
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Denomination of invention: A Preparation Method for Alloy Copper Wire Granted publication date: 20210611 Pledgee: Bank of China Limited by Share Ltd. Yujiang sub branch Pledgor: JIANGXI RUISHUN SUPERFINE COPPER WIRE TECHNOLOGY COLLABORATIVE INNOVATION CO.,LTD. Registration number: Y2024980013492 |