CN109355527A - A kind of preparation method of high-strength highly-conductive copper wire - Google Patents
A kind of preparation method of high-strength highly-conductive copper wire Download PDFInfo
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- CN109355527A CN109355527A CN201811352188.0A CN201811352188A CN109355527A CN 109355527 A CN109355527 A CN 109355527A CN 201811352188 A CN201811352188 A CN 201811352188A CN 109355527 A CN109355527 A CN 109355527A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
- B21C37/047—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire of fine wires
-
- 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
- C22C1/02—Making non-ferrous alloys by melting
-
- 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
- C22C1/06—Making non-ferrous alloys with the use of special agents for refining or deoxidising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The present invention provides a kind of preparation method of high-strength highly-conductive copper wire, S1, preparation copper liquid；S2, addition alloying element；S3, casting copper bar；S4, preparation copper busbar；S5, high-strength highly-conductive copper wire is prepared, has the advantages that conductivity, tensile strength, high temperature resistant, wearability, stability are excellent.
Description
Technical field
The invention belongs to copper wire material used technical fields, and in particular to a kind of preparation method of high-strength highly-conductive copper wire.
Background technique
High-performance special wire and cable be mainly used for new energy, information industry, space flight and aviation, rail traffic, ocean engineering,
The fields such as electronics microelectronics, robot, medical machinery.So-called Special Wires and Cables show " conductor wants special " and " insulating materials
Want special ".For inner conductor, needs to meet and high-strength, high lead, is ultra-fine etc..With China and world's electronics industry, doctor
The high-end fields such as treatment, aerospace grow rapidly, high strength and high conductivity alloy filament materials are in urgent need, rely primarily at present into
Mouthful.The long-range aircraft of one frame Boeing or airbus about 2.5 tons of aviation wire of conductor for being more than 250km, to connect
See with more than 10,000 connectors；The aviation wire of the jet plane 70km of one frame short distance, and a frame Mini Tele-Copter needs to use
30km aviation wire.Cable used mainly has single telephone wire, multicore cable, high-temperature cable, coaxial cable, data transmission electricity
Cable etc..Therefore, the high property copper alloy of high-quality is prepared continuously to meet Contemporary Information industry and Defence business to high-performance
The demand of copper alloy silk thread material is of great significance, while also having a vast market value and Development volue.
Therefore excellent high-strength of a kind of conductivity, tensile strength, high temperature resistant, wearability, stability is needed
Height leads the preparation method of copper wire.
Summary of the invention
The object of the present invention is to provide a kind of preparation methods of high-strength highly-conductive copper wire, to solve present high-strength highly-conductive copper wire
Preparation method the demand in quality and yield is much not achieved.
The present invention provides the following technical solutions:
A kind of preparation method of high-strength highly-conductive copper wire, includes the following steps:
S1, preparation copper liquid: cathode copper is added in high temperature melting furnace, is warming up to 1140-1260 DEG C, and heat preservation fusing is complete,
Copper liquid is obtained, inert gas is passed through into copper liquid, while antioxidant is added, then be warming up to 1500-1620 DEG C, electromagnetic agitation
10-45min, standing remove slag；
S2, addition alloying element: alloying element being added into copper liquid obtained in S1, the detection copper after melting uniformly
Liquid includes: chromium content 0.8%-1.0%, zirconium content 0.08-0.10%, titanium 0.008~0.010%, tin by weight percentage
0.008~0.010%, magnesium 0.008~0.010%, niobium 0.008~0.010%, indium 0.008~0.010%, remaining surplus
For copper；
S3, casting copper bar: carrying out the casting of vacuum bottom pour mold for copper liquid obtained in S2, after ingot casting is cooling, remove casting pressing port,
Ingot casting surface cleaning is carried out, is then placed in resistance-heated furnace and heats, 1000-1065 DEG C of heating temperature, soaking time 60-
90min is hot-forged after taking-up, until copper bar size reaches preset value；
S4, preparation copper busbar: carrying out continuously extruded formation copper busbar for copper bar obtained in S3, is cooled to often through anti-oxidant
Temperature, then copper busbar is subjected to multi pass drawing, and intermediate continuous annealing is carried out between different passage drawings, annealing temperature is
300-400 DEG C, the copper busbar after being processed；
S5, high-strength highly-conductive copper wire is prepared: first big during the copper busbar after being processed in S4 carries out multi pass drawing
Being pulled to diameter is 1.5-2.5mm, and then the small diameter that is pulled to is 0.2-0.4mm, then micro- diameter that is pulled to is 0.02-0.04mm, is obtained
High-strength highly-conductive copper wire, then cleaned and dried three times with deionized water, obtain the high-strength highly-conductive copper wire.
Preferably, in the S1, the antioxidant includes emulsifier: 2-5wt%, antioxidant 1076:1-10wt%,
Antioxidant 245:20-45wt%, water: 50-70wt%.
Preferably, in the S1, the inert gas is nitrogen or argon gas, and the flow of inert gas is 0.2-0.6m3/
h。
Preferably, in the S2, the ratio of chromium content and zirconium content is 10:1, and the ratio of zirconium content and Ti content is 10:
1, Ti content, Theil indices, content of magnesium, content of niobium, indium content ratio be 1:1:1:1:1.
Preferably, in the S4,25-45 DEG C of temperature of the coolant liquid in the anti-oxidant cooling, the coolant liquid is by water
It mixes and forms with ethyl alcohol, ethyl alcohol accounts for the 5-12% of coolant liquid weight.
The beneficial effects of the present invention are:
A kind of preparation method of high-strength highly-conductive copper wire of the present invention, from the conduction and strength character of copper wire, to production copper
The alloying element species content of the copper liquid of silk is rationally designed, hence it is evident that the tensile strength and resistivity for improving copper wire make it
Comprehensive performance significantly improves；The electric conductivity for guaranteeing copper wire by using reasonable anti-oxidant operation at the same time, in conjunction with upper
Draw, squeeze, the temperature in drawing process and operation optimize so that the performances such as the conduction of copper wire, intensity all obtain well
Control, so that the preparation process of entire copper wire forms mutually matched entirety.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is preparation method flow diagram of the present invention.
Specific embodiment
As shown in Figure 1, a kind of preparation method of high-strength highly-conductive copper wire, includes the following steps:
S1, preparation copper liquid: cathode copper is added in high temperature melting furnace, is warming up to 1140-1260 DEG C, and heat preservation fusing is complete,
Copper liquid is obtained, inert gas is passed through into copper liquid, while antioxidant is added, then be warming up to 1500-1620 DEG C, electromagnetic agitation
10-45min, standing remove slag；
S2, addition alloying element: alloying element being added into copper liquid obtained in S1, detects copper liquid after melting uniformly,
It by weight percentage include: chromium content 0.8%-1.0%, zirconium content 0.08-0.10%, titanium 0.008~0.010%, tin 0.008
~0.010%, magnesium 0.008~0.010%, niobium 0.008~0.010%, indium 0.008~0.010%, remaining surplus is copper；
S3, casting copper bar: carrying out the casting of vacuum bottom pour mold for copper liquid obtained in S2, after ingot casting is cooling, remove casting pressing port,
Ingot casting surface cleaning is carried out, is then placed in resistance-heated furnace and heats, 1000-1065 DEG C of heating temperature, soaking time 60-
90min is hot-forged after taking-up, until copper bar size reaches preset value；
S4, preparation copper busbar: carrying out continuously extruded formation copper busbar for copper bar obtained in S3, is cooled to often through anti-oxidant
Temperature, then copper busbar is subjected to multi pass drawing, and intermediate continuous annealing is carried out between different passage drawings, annealing temperature is
300-400 DEG C, the copper busbar after being processed；
S5, high-strength highly-conductive copper wire is prepared: first big during the copper busbar after being processed in S4 carries out multi pass drawing
Being pulled to diameter is 1.5-2.5mm, and then the small diameter that is pulled to is 0.2-0.4mm, then micro- diameter that is pulled to is 0.02-0.04mm, is obtained
High-strength highly-conductive copper wire, then cleaned and dried three times with deionized water, obtained high-strength highly-conductive copper wire.
Specifically, antioxidant includes emulsifier in S1: 2-5wt%, antioxidant 1076:1-10wt%, antioxidant
245:20-45wt%, water: 50-70wt%.
Specifically, inert gas is nitrogen or argon gas in S1, the flow of inert gas is 0.2-0.6m 3/h.
Specifically, in S2, the ratio of chromium content and zirconium content is 10:1, and the ratio of zirconium content and Ti content is 10:1, titanium
Content, Theil indices, content of magnesium, content of niobium, indium content ratio be 1:1:1:1:1.
Specifically, 25-45 DEG C of the temperature of the coolant liquid in anti-oxidant cooling, coolant liquid is by water and ethyl alcohol mixing group in S4
At ethyl alcohol accounts for the 5-12% of coolant liquid weight.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of preparation method of high-strength highly-conductive copper wire, which comprises the steps of:
S1, preparation copper liquid: cathode copper is added in high temperature melting furnace, is warming up to 1140-1260 DEG C, heat preservation fusing completely, obtains
Copper liquid is passed through inert gas into copper liquid, while antioxidant is added, then is warming up to 1500-1620 DEG C, electromagnetic agitation 10-
45min, standing remove slag；
S2, addition alloying element: alloying element being added into copper liquid obtained in S1, the detection copper liquid after melting uniformly,
It by weight percentage include: chromium content 0.8%-1.0%, zirconium content 0.08-0.10%, titanium 0.008~0.010%, tin 0.008
~0.010%, magnesium 0.008~0.010%, niobium 0.008~0.010%, indium 0.008~0.010%, remaining surplus is copper；
S3, casting copper bar: copper liquid obtained in S2 is subjected to the casting of vacuum bottom pour mold, after ingot casting is cooling, removes casting pressing port, is carried out
Ingot casting surface cleaning, is then placed in resistance-heated furnace and heats, 1000-1065 DEG C of heating temperature, soaking time 60-90min takes
It is hot-forged after out, until copper bar size reaches preset value；
S4, preparation copper busbar: carrying out continuously extruded formation copper busbar for copper bar obtained in S3, be cooled to room temperature through anti-oxidant,
Copper busbar is subjected to multi pass drawing again, and carries out intermediate continuous annealing, annealing temperature 300- between different passage drawings
400 DEG C, the copper busbar after being processed；
S5, it prepares high-strength highly-conductive copper wire: during the copper busbar after being processed in S4 carries out multi pass drawing, being first pulled to greatly
Diameter is 1.5-2.5mm, and then the small diameter that is pulled to is 0.2-0.4mm, then micro- diameter that is pulled to is 0.02-0.04mm, is obtained high-strength
Height leads copper wire, then is cleaned and dried three times with deionized water, and the high-strength highly-conductive copper wire is obtained.
2. a kind of preparation method of high-strength highly-conductive copper wire according to claim 1, which is characterized in that described in the S1
Antioxidant includes emulsifier: 2-5wt%, antioxidant 1076:1-10wt%, antioxidant 245:20-45wt%, water: 50-
70wt%.
3. a kind of preparation method of high-strength highly-conductive copper wire according to claim 1, which is characterized in that described in the S1
Inert gas is nitrogen or argon gas, and the flow of inert gas is 0.2-0.6m 3/h.
4. a kind of preparation method of high-strength highly-conductive copper wire according to claim 1, which is characterized in that in the S2, chromium contains
Amount and the ratio of zirconium content are 10:1, and the ratio of zirconium content and Ti content is 10:1, and Ti content, Theil indices, content of magnesium, niobium contain
It measures, the ratio of indium content is 1:1:1:1:1.
5. a kind of preparation method of high-strength highly-conductive copper wire according to claim 1, which is characterized in that described in the S4
25-45 DEG C of the temperature of coolant liquid in anti-oxidant cooling, the coolant liquid are made of water and ethyl alcohol mixing, and ethyl alcohol accounts for coolant liquid weight
The 5-12% of amount.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811352188.0A CN109355527A (en) | 2018-11-14 | 2018-11-14 | A kind of preparation method of high-strength highly-conductive copper wire |
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| CN201811352188.0A CN109355527A (en) | 2018-11-14 | 2018-11-14 | A kind of preparation method of high-strength highly-conductive copper wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756614A (en) * | 2019-10-31 | 2020-02-07 | 杭州富通电线电缆有限公司 | Production process of copper rod |
| CN113976656A (en) * | 2021-10-26 | 2022-01-28 | 江西云泰铜业有限公司 | Preparation method of high-strength bending-resistant copper wire |
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| CN106269970A (en) * | 2016-08-10 | 2017-01-04 | 安徽晋源铜业有限公司 | A kind of preparation technology of high-strength highly-conductive micro-wire |
| CN107557601A (en) * | 2017-09-18 | 2018-01-09 | 佛山慧创正元新材料科技有限公司 | A kind of preparation method of high-strength highly-conductive copper wire |
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| CN108018441A (en) * | 2017-12-25 | 2018-05-11 | 浙江力博实业股份有限公司 | A kind of preparation method of high property copper alloy silk material |
| CN108018440A (en) * | 2017-12-25 | 2018-05-11 | 浙江力博实业股份有限公司 | A kind of preparation method of copper alloy with high strength and high conductivity silk material |
| CN108179305A (en) * | 2017-12-25 | 2018-06-19 | 浙江力博实业股份有限公司 | A kind of continuously extruded method for preparing Cu-Cr-Zr alloy bar |
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2018
- 2018-11-14 CN CN201811352188.0A patent/CN109355527A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106269970A (en) * | 2016-08-10 | 2017-01-04 | 安徽晋源铜业有限公司 | A kind of preparation technology of high-strength highly-conductive micro-wire |
| CN107552586A (en) * | 2017-08-15 | 2018-01-09 | 徐高杰 | A kind of electric production technology with ultra-fine oxygen-free copper Silver alloy wire |
| CN107557601A (en) * | 2017-09-18 | 2018-01-09 | 佛山慧创正元新材料科技有限公司 | A kind of preparation method of high-strength highly-conductive copper wire |
| CN108018441A (en) * | 2017-12-25 | 2018-05-11 | 浙江力博实业股份有限公司 | A kind of preparation method of high property copper alloy silk material |
| CN108018440A (en) * | 2017-12-25 | 2018-05-11 | 浙江力博实业股份有限公司 | A kind of preparation method of copper alloy with high strength and high conductivity silk material |
| CN108179305A (en) * | 2017-12-25 | 2018-06-19 | 浙江力博实业股份有限公司 | A kind of continuously extruded method for preparing Cu-Cr-Zr alloy bar |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756614A (en) * | 2019-10-31 | 2020-02-07 | 杭州富通电线电缆有限公司 | Production process of copper rod |
| CN113976656A (en) * | 2021-10-26 | 2022-01-28 | 江西云泰铜业有限公司 | Preparation method of high-strength bending-resistant copper wire |
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Application publication date: 20190219 |
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