CN107910098A - A kind of copper alloy conductor and preparation method thereof - Google Patents
A kind of copper alloy conductor and preparation method thereof Download PDFInfo
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- CN107910098A CN107910098A CN201711090498.5A CN201711090498A CN107910098A CN 107910098 A CN107910098 A CN 107910098A CN 201711090498 A CN201711090498 A CN 201711090498A CN 107910098 A CN107910098 A CN 107910098A
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- 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
- H01B1/026—Alloys based on copper
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- 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
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Abstract
The invention discloses a kind of copper alloy conductor, the raw material and percentage by weight of the copper alloy conductor are:Silver:3.10‑3.30%、Mg:3.21‑3.31%、Zn:5.52‑6.20%、Al:0.10‑0.15%、Si:0.20‑0.40%、Sc:0.10%、Er:0.20%、Y:0.30%、Gd:0.15%, remaining is copper.The present invention is while conductor electric conductivity and mechanical performance is ensured, the ability of the corrosion resistance of metallic conductor, electric conductivity, heat conductivility, heat resistance, anti-pollution characteristic, gas barrier property and physical mechanical property is significantly improved, makes conductor using safer.
Description
Technical field
The present invention relates to power cable conductor field, more particularly to a kind of copper alloy conductor and preparation method thereof.
Background technology
With socio-economic development, more complicated and harsh application environment and place, such as petrochemical industry, skyscraper
Requirement to power transmission lines is higher and higher, therefore whether conductor has excellent comprehensive performance particularly corrosion resistance pole
Its is important, how while conductor electric conductivity and mechanical performance is ensured, improves its corrosion resistance, can increase circuit peace
Full performance is significant.
Copper valency rises suddenly and sharply, excessive using copper conductor cost, and very big economy is either all caused to manufacturing enterprise or user
Pressure, but due to aluminium there are mechanical performance, switching performance and corrosion resistance are poor the defects of, can not realize substitute copper cable mesh
, aluminum alloy materials are improved by component and process so that aluminium alloy improve fine aluminium there are the defects of, thus can be real
Now substitute the purpose of copper conductor, particularly power cable field.Although have much on aluminium alloy conducting wire patent, it is comprehensive
Performance be not it is fine, could not system solve electrical property, corrosion-resistant, wear-resisting and heat resistance synthtic price index.
The content of the invention
The purpose of the present invention is that to solve the above-mentioned problems and provides a kind of copper alloy conductor and preparation method thereof,
While ensureing conductor electric conductivity and mechanical performance, the corrosion resistance, electric conductivity, heat conduction of metallic conductor are significantly improved
Performance, heat resistance, anti-pollution characteristic, the ability of gas barrier property and physical mechanical property, make conductor using safer.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of copper alloy conductor, the raw material and percentage by weight of the copper alloy conductor are:
Silver:3.10-3.30%、Mg:3.21-3.31%、Zn:5.52-6.20%、Al:0.10-0.15%、Si: 0.20-0.40%、
Sc:0.10%、Er: 0.20%、Y :0.30%、Gd:0.15%, remaining is copper.
Further improve, the raw material and percentage by weight of the rare earth aluminum alloy conductor are:Silver:3.20%、Mg:3.26%、
Zn:5.86%、Al:0.125%、Si:0.30%、Sc:0.10%、Er: 0.20%、Y :0.30%、Gd:0.15%, remaining is copper.
A kind of preparation method of copper alloy conductor, includes the following steps:
1)Fine copper is melted in well-type electric furnace, temperature is maintained at 1100 DEG C, the percentage by weight successively in the silver of molten condition
Than adding silver, magnesium, zinc, aluminium, silicon, scandium, yttrium, erbium, gadolinium, stirring, refining, slagging-off, sampling analysis after 40-42 minutes, in milling train
Cast copper alloy cast bar;Copper alloy cast bar is subjected to stress annealing at 800-900 DEG C, then cast bar is imported into milling train, imports milling train
600 DEG C of temperature, then bar is squeezed into, cool down, be drawn into copper alloy silk;
2)Pickling carries out copper alloy silk using the dilute hydrochloric acid of 0.01-0.03mo1/L, and is removed using absolute ethyl alcohol and distilled water
Remaining dilute hydrochloric acid, wherein, the mass ratio of absolute ethyl alcohol and distilled water is 2:1, then under nitrogen protection atmosphere, in 50 DEG C of bars
Dry 20min under part;
3)By cupric oxide 15wt%, magnesia 25wt%, 10 wt % of silica, 10 wt % of aluminium oxide, 20 wt % of nickel hydroxide,
20 wt % of manganous hydroxide are uniformly mixed, and form inorganic adhesive powder;
4)Ethyl cellulose 10wt%, terpinol 30wt%, O-phthalic are hissed two T fat 15wt%, ethyl acetate 15wt%, diethyl two
Alcohol butyl ether 10wt%, triethanolamine 10wt%, phthalic acid 5wt%, silane coupling agent 5wt% mixing, are heated up to 65 DEG C, hot melt is had
Machine cuts out body;
5)By dried graphene powder 50wt%-60wt%, inorganic adhesive powder 20wt%-30wt%, organic carrier
15wt%, rare earth element 5wt% are mixed, and are stirred and are prepared into conductive corrosion resistant slurry using supersonic oscillations;
6)After more copper alloy silks are twisted using given pace by full of conductive corrosion resistant slurry and temperature as 80 DEG C of slurry
Groove, the copper conductor is coated with the speed of 10m/s online;Under argon atmosphere, with the speed liter of 30 DEG C/min
To 200 DEG C, 20min is kept the temperature, the copper conductor after coating is dried, and under argon atmosphere, in 400-500 DEG C of ring
It is heat-treated in border, heat treatment time 25-30min, obtains copper alloy conductor.
Further improve, the viscosity of the conduction corrosion resistant slurry is 8-Pa.S- 9Pa.S.
Further improve, the inorganic adhesive powder average grain diameter is 2-3 μm.
Further improve, the elongation of the compound copper conductor is 15%-20%, resistivity 0.01852-0.01925
Ω· mm2/m。
Compared with prior art, beneficial effect is:
1st, there is excellent electrical, heat resistance, wear-resisting and corrosion resistance using the cable of the copper alloy conductor, makes as conducting wire
With more securely and reliably, the rare earth element of selection can preferably improve the corrosion resistance and mechanical property of aluminium alloy.
2nd, use pickling in the present invention so that the oxide of removing copper alloy silk metal surface, diluted acid when pickling
Purpose is should to fall oxide etch, and can guarantee that metallic matrix will not be subject to excessive influence so that copper is reaction below
More preferable condition is provided.
3rd, the made Albrac conductor of the present invention, integrated use material and inventive process prepare conductive corrosion resistant and apply
Layer.Axial along metallic conductor in conductive corrosion resistant coating, copper particle contacts with each other to form continuous conduction passage, each continuous conduction
The ceramics that passage is formed after being sintered by inorganic particle are spaced, and conductive corrosion resistant coating layer thickness is 10 μm -15 μm, at 30 DEG C along thickness
Degree direction equivalent thermal conductivity is 0.058W/ (mk) -0.073W/ (mk), and at 300 DEG C, through-thickness thermal conductivity is
15.236W/ (mk) -20.524W/ (mk), it is 298 DEG C -300 DEG C using maximum temperature, has excellent thermal insulation
Can, and cause the corrosion resistance of conductor to improve tens times, do very big progress again on corrosion resistance, and add
Enter rare earth element, can preferably improve the corrosion resistance and mechanical property of copper conductor;Make each high temperature resistant composite conductor
Elongation be 15%-20%, resistivity is 0.01852-0.01925 Ω mm2/m。
Embodiment
The invention will be further described below:
Embodiment 1:
A kind of copper alloy conductor, the raw material and percentage by weight of the copper alloy conductor are:
Silver:3.10%、Mg:3.21%、Zn:5.52%、Al:0.10%、Si: 0.20%、Sc:0.10%、Er: 0.20%、Y :
0.30%、Gd:0.15%, remaining is copper.
A kind of preparation method of copper alloy conductor, includes the following steps:
1)Fine copper is melted in well-type electric furnace, temperature is maintained at 1100 DEG C, presses above-mentioned weight successively in the silver of molten condition
Measure percentage and add silver, magnesium, zinc, aluminium, silicon, scandium, yttrium, erbium, gadolinium, stirring, refining, remove the gred, after forty minutes sampling analysis, in milling train
In cast copper alloy cast bar;Copper alloy cast bar is subjected to stress annealing at 800 DEG C, then cast bar is imported into milling train, imports milling train temperature
600 DEG C of degree, then bar is squeezed into, cool down, be drawn into copper alloy silk;
2)Pickling carries out copper alloy silk using the dilute hydrochloric acid of 0.01mo1/L, and residual is removed using absolute ethyl alcohol and distilled water
Dilute hydrochloric acid, wherein, the mass ratio of absolute ethyl alcohol and distilled water is 2:1, then under nitrogen protection atmosphere, under conditions of 50 DEG C
Dry 20min;
3)By cupric oxide 15wt%, magnesia 25wt%, 10 wt % of silica, 10 wt % of aluminium oxide, 20 wt % of nickel hydroxide,
20 wt % of manganous hydroxide are uniformly mixed, and form inorganic adhesive powder;
4)Ethyl cellulose 10wt%, terpinol 30wt%, O-phthalic are hissed two T fat 15wt%, ethyl acetate 15wt%, diethyl two
Alcohol butyl ether 10wt%, triethanolamine 10wt%, phthalic acid 5wt%, silane coupling agent 5wt% mixing, are heated up to 65 DEG C, hot melt is had
Machine cuts out body;
5)By dried graphene powder 50wt%, inorganic adhesive powder 30wt%, organic carrier 15wt%, rare earth element
5wt% is mixed, and is stirred and is prepared into conductive corrosion resistant slurry using supersonic oscillations;
6)After more copper alloy silks are twisted using given pace by full of conductive corrosion resistant slurry and temperature as 80 DEG C of slurry
Groove, the copper conductor is coated with the speed of 10m/s online;Under argon atmosphere, with the speed liter of 30 DEG C/min
To 200 DEG C, 20min is kept the temperature, the copper conductor after coating is dried, and under argon atmosphere, in 400 DEG C of environment
It is heat-treated, heat treatment time 30min, obtains copper alloy conductor.
Embodiment 2
A kind of copper alloy conductor, the raw material and percentage by weight of the rare-earth copper alloy conductor are:
Silver:3.20%、Mg:3.26%、Zn:5.86%、Al:0.125%、Si:0.30%、Sc:0.10%、Er: 0.20%、Y :
0.30%、Gd:0.15%, remaining is copper.
A kind of preparation method of copper alloy conductor, includes the following steps:
1)Fine copper is melted in well-type electric furnace, temperature is maintained at 1100 DEG C, presses above-mentioned weight successively in the silver of molten condition
Measure percentage and add silver, magnesium, zinc, aluminium, silicon, scandium, yttrium, erbium, gadolinium, stirring, refining, slagging-off, sampling analysis after 41 minutes, in milling train
In cast copper alloy cast bar;Copper alloy cast bar is subjected to stress annealing at 850 DEG C, then cast bar is imported into milling train, imports milling train temperature
600 DEG C of degree, then bar is squeezed into, cool down, be drawn into copper alloy silk;
2)Pickling carries out copper alloy silk using the dilute hydrochloric acid of 0.02mo1/L, and residual is removed using absolute ethyl alcohol and distilled water
Dilute hydrochloric acid, wherein, the mass ratio of absolute ethyl alcohol and distilled water is 2:1, then under nitrogen protection atmosphere, under conditions of 50 DEG C
Dry 20min;
3)By cupric oxide 15wt%, magnesia 25wt%, 10 wt % of silica, 10 wt % of aluminium oxide, 20 wt % of nickel hydroxide,
20 wt % of manganous hydroxide are uniformly mixed, and form inorganic adhesive powder;
4)Ethyl cellulose 10wt%, terpinol 30wt%, O-phthalic are hissed two T fat 15wt%, ethyl acetate 15wt%, diethyl two
Alcohol butyl ether 10wt%, triethanolamine 10wt%, phthalic acid 5wt%, silane coupling agent 5wt% mixing, are heated up to 65 DEG C, hot melt is had
Machine cuts out body;
5)By dried graphene powder 55wt%, inorganic adhesive powder 25wt%, organic carrier 15wt%, rare earth element
5wt% is mixed, and is stirred and is prepared into conductive corrosion resistant slurry using supersonic oscillations;
6)After more copper alloy silks are twisted using given pace by full of conductive corrosion resistant slurry and temperature as 80 DEG C of slurry
Groove, the copper conductor is coated with the speed of 10m/s online;Under argon atmosphere, with the speed liter of 30 DEG C/min
To 200 DEG C, 20min is kept the temperature, the copper conductor after coating is dried, and under argon atmosphere, in 450 DEG C of environment
It is heat-treated, heat treatment time 28min, obtains copper alloy conductor.
Embodiment 3
A kind of copper alloy conductor, the raw material and percentage by weight of the copper alloy conductor are:
Silver:3.30%、Mg: 3.31%、Zn: 6.20%、Al: 0.15%、Si: 0.40%、Sc:0.10%、Er: 0.20%、Y :
0.30%、Gd:0.15%, remaining is copper.
A kind of preparation method of copper alloy conductor, includes the following steps:
1)Fine copper is melted in well-type electric furnace, temperature is maintained at 1100 DEG C, the percentage by weight successively in the silver of molten condition
Than adding silver, magnesium, zinc, aluminium, silicon, scandium, yttrium, erbium, gadolinium, stirring, refining, slagging-off, sampling analysis after 42 minutes, casts in milling train
Into copper alloy cast bar;Copper alloy cast bar is subjected to stress annealing at 900 DEG C, then cast bar is imported into milling train, imports rolling mill temperature 600
DEG C, then bar is squeezed into, cool down, be drawn into copper alloy silk;
2)Pickling carries out copper alloy silk using the dilute hydrochloric acid of 0.03mo1/L, and residual is removed using absolute ethyl alcohol and distilled water
Dilute hydrochloric acid, wherein, the mass ratio of absolute ethyl alcohol and distilled water is 2:1, then under nitrogen protection atmosphere, under conditions of 50 DEG C
Dry 20min;
3)By cupric oxide 15wt%, magnesia 25wt%, 10 wt % of silica, 10 wt % of aluminium oxide, 20 wt % of nickel hydroxide,
20 wt % of manganous hydroxide are uniformly mixed, and form inorganic adhesive powder;
4)Ethyl cellulose 10wt%, terpinol 30wt%, O-phthalic are hissed two T fat 15wt%, ethyl acetate 15wt%, diethyl two
Alcohol butyl ether 10wt%, triethanolamine 10wt%, phthalic acid 5wt%, silane coupling agent 5wt% mixing, are heated up to 65 DEG C, hot melt is had
Machine cuts out body;
5)By dried graphene powder 60wt%, inorganic adhesive powder 20wt%, organic carrier 15wt%, rare earth element
5wt% is mixed, and is stirred and is prepared into conductive corrosion resistant slurry using supersonic oscillations;
6)After more copper alloy silks are twisted using given pace by full of conductive corrosion resistant slurry and temperature as 80 DEG C of slurry
Groove, the copper conductor is coated with the speed of 10m/s online;Under argon atmosphere, with the speed liter of 30 DEG C/min
To 200 DEG C, 20min is kept the temperature, the copper conductor after coating is dried, and under argon atmosphere, in 500 DEG C of environment
It is heat-treated, heat treatment time 25min, obtains copper alloy conductor.
The viscosity of conductive corrosion resistant slurry is 8-Pa.S- 9Pa.S described in three embodiments, and inorganic adhesive powder is averaged
Particle diameter is 2-3 μm.
By the Albrac conductor that above-described embodiment is made, integrated use material and inventive process prepare conduction
Corrosion resistant coating.Axial along metallic conductor in conductive corrosion resistant coating, copper particle contacts with each other to form continuous conduction passage, respectively connects
The ceramics that continuous conductive channel is formed after being sintered by inorganic particle are spaced, and conductive corrosion resistant coating layer thickness is 10 μm -15 μm, at 30 DEG C
When through-thickness equivalent thermal conductivity be 0.058W/ (mk) -0.073W/ (mk), at 300 DEG C through-thickness heat
Conductance is 15.236W/ (mk) -20.524W/ (mk), it is 298 DEG C -300 DEG C using maximum temperature, is had excellent
Heat-proof quality, and cause the corrosion resistance of conductor to improve tens times, very big progress has been done again on corrosion resistance,
And rare earth element is added, can preferably improve the corrosion resistance and mechanical property of copper conductor;Each high temperature resistant is made to answer
The elongation for closing conductor is 15%-20%, and resistivity is 0.01852-0.01925 Ω mm2/m。
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the original of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and equivalents circle
It is fixed.
Claims (6)
1. a kind of copper alloy conductor, the raw material and percentage by weight of the copper alloy conductor are:
Silver:3.10-3.30%、Mg:3.21-3.31%、Zn:5.52-6.20%、Al:0.10-0.15%、Si: 0.20-0.40%、
Sc:0.10%、Er: 0.20%、Y :0.30%、Gd:0.15%, remaining is copper.
2. copper alloy conductor according to claim 1, it is characterised in that:The raw material and weight of the rare-earth copper alloy conductor
Percentage is:Silver:3.20%、Mg:3.26%、Zn:5.86%、Al:0.125%、Si:0.30%、Sc:0.10%、Er: 0.20%、Y :
0.30%、Gd:0.15%, remaining is copper.
A kind of 3. preparation method of copper alloy conductor as described in claim 1-2, it is characterised in that:Include the following steps:
1)Fine copper is melted in well-type electric furnace, temperature is maintained at 1100 DEG C, the percentage by weight successively in the silver of molten condition
Than adding silver, magnesium, zinc, aluminium, silicon, scandium, yttrium, erbium, gadolinium, stirring, refining, slagging-off, sampling analysis after 40-42 minutes, in milling train
Cast copper alloy cast bar;Copper alloy cast bar is subjected to stress annealing at 800-900 DEG C, then cast bar is imported into milling train, imports milling train
600 DEG C of temperature, then bar is squeezed into, cool down, be drawn into copper alloy silk;
2)Pickling carries out copper alloy silk using the dilute hydrochloric acid of 0.01-0.03mo1/L, and is removed using absolute ethyl alcohol and distilled water
Remaining dilute hydrochloric acid, wherein, the mass ratio of absolute ethyl alcohol and distilled water is 2:1, then under nitrogen protection atmosphere, in 50 DEG C of bars
Dry 20min under part;
3)By cupric oxide 15wt%, magnesia 25wt%, 10 wt % of silica, 10 wt % of aluminium oxide, 20 wt % of nickel hydroxide,
20 wt % of manganous hydroxide are uniformly mixed, and form inorganic adhesive powder;
4)Ethyl cellulose 10wt%, terpinol 30wt%, O-phthalic are hissed two T fat 15wt%, ethyl acetate 15wt%, diethyl two
Alcohol butyl ether 10wt%, triethanolamine 10wt%, phthalic acid 5wt%, silane coupling agent 5wt% mixing, are heated up to 65 DEG C, hot melt is had
Machine cuts out body;
5)By dried graphene powder 50wt%-60wt%, inorganic adhesive powder 20wt%-30wt%, organic carrier
15wt%, rare earth element 5wt% are mixed, and are stirred and are prepared into conductive corrosion resistant slurry using supersonic oscillations;
6)After more copper alloy silks are twisted using given pace by full of conductive corrosion resistant slurry and temperature as 80 DEG C of slurry
Groove, the copper conductor is coated with the speed of 10m/s online;Under argon atmosphere, with the speed liter of 30 DEG C/min
To 200 DEG C, 20min is kept the temperature, the copper conductor after coating is dried, and under argon atmosphere, in 400-500 DEG C of ring
It is heat-treated in border, heat treatment time 25-30min, obtains copper alloy conductor.
4. the preparation method of copper alloy conductor according to claim 3, it is characterised in that:The conduction corrosion resistant slurry glues
Spend for 8-Pa.S- 9Pa.S.
5. the preparation method of copper alloy conductor according to claim 3, it is characterised in that:The inorganic adhesive powder is put down
Equal particle diameter is 2-3 μm.
6. the preparation method of copper alloy conductor according to claim 3, it is characterised in that:The elongation of the compound copper conductor
Rate is 15%-20%, and resistivity is 0.01852-0.01925 Ω mm2/m。
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Citations (5)
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CN103646684A (en) * | 2013-11-25 | 2014-03-19 | 简玉君 | A rare earth aluminium alloy conductor |
CN105463275A (en) * | 2015-12-30 | 2016-04-06 | 合肥星辰电线电缆股份有限公司 | High-wear-resistance and high-electric-conductivity rear earth copper-aluminum alloy used for cables |
CN106548822A (en) * | 2016-10-31 | 2017-03-29 | 上海新益电力线路器材有限公司 | A kind of high temperature resistant composite conductor and preparation method thereof |
CN106636735A (en) * | 2016-11-16 | 2017-05-10 | 黄忠波 | Copper alloy material for wires |
CN107012357A (en) * | 2017-03-22 | 2017-08-04 | 合肥浦尔菲电线科技有限公司 | A kind of copper alloy wire and preparation method thereof |
-
2017
- 2017-11-08 CN CN201711090498.5A patent/CN107910098A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103646684A (en) * | 2013-11-25 | 2014-03-19 | 简玉君 | A rare earth aluminium alloy conductor |
CN105463275A (en) * | 2015-12-30 | 2016-04-06 | 合肥星辰电线电缆股份有限公司 | High-wear-resistance and high-electric-conductivity rear earth copper-aluminum alloy used for cables |
CN106548822A (en) * | 2016-10-31 | 2017-03-29 | 上海新益电力线路器材有限公司 | A kind of high temperature resistant composite conductor and preparation method thereof |
CN106636735A (en) * | 2016-11-16 | 2017-05-10 | 黄忠波 | Copper alloy material for wires |
CN107012357A (en) * | 2017-03-22 | 2017-08-04 | 合肥浦尔菲电线科技有限公司 | A kind of copper alloy wire and preparation method thereof |
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Application publication date: 20180413 |