CN109097633A - Cable Al-Cu-Mg-Mn line aluminium alloy - Google Patents
Cable Al-Cu-Mg-Mn line aluminium alloy Download PDFInfo
- Publication number
- CN109097633A CN109097633A CN201810996363.3A CN201810996363A CN109097633A CN 109097633 A CN109097633 A CN 109097633A CN 201810996363 A CN201810996363 A CN 201810996363A CN 109097633 A CN109097633 A CN 109097633A
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- Prior art keywords
- powder
- aluminium alloy
- cable
- modified graphene
- line aluminium
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Classifications
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- 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
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1005—Pretreatment of the non-metallic additives
- C22C1/101—Pretreatment of the non-metallic additives by coating
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
-
- 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
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1047—Alloys containing non-metals starting from a melt by mixing and casting liquid metal matrix composites
-
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- 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
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- 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
Abstract
The invention proposes a kind of cable Al-Cu-Mg-Mn line aluminium alloys, component including following weight percent: Cu 0.03~0.09%, Mn 0.2~0.4%, Mg 0.02~0.08%, Sc 0.04~0.08%, modified graphene 0.2~0.4%, surplus are Al and impurity；The modified graphene is mainly by nano-TiO2, Fe powder, lanthana, zinc powder and graphene powder be prepared.Not only resistivity is low for the aluminium alloy, but also creep-resistant property and anti-fatigue performance are good.
Description
Technical field
The invention belongs to technical field of aluminum alloy technology, and in particular to a kind of cable Al-Cu-Mg-Mn line aluminium alloy.
Background technique
Currently, cable industry is the second largest industry that China is only second to automobile industry, and worldwide, Chinese cable
The gross output value be more than the U.S., become the first big countries producing electric wires and cables in the world.Along with the increasing continuously and healthily of China's economic
The continuous expansion of the industry sizes such as long and power industry, data communication industry, urban track traffic industry, the demand of cable also will
It increases rapidly, there are also huge development potentialities for the following wire and cable industry.
It is generally known that the copper resource reserves relative deficiency in China, relies heavily on import, therefore find copper cabling
Substitute become more and more important instantly international situation and resource are more nervous.And aluminium alloy cable is since appearance
Just to there is the advantages parts such as at low cost, light-weight, corrosion resistance is strong, security performance is high instead of conventional copper cable.Although at present
The market share that copper wire cable is still in the great majority, but this can not cover the trend of aluminium alloy cable market share rising.
However aluminium alloy cable still there are resistivity it is high, current-carrying capacity is small, heating temperature is high the deficiencies of.In same sectional area
In the case where, the conductivity of aluminium alloy is the 61.8% of the most frequently used reference material copper IACS, and current-carrying capacity is the 79% of copper.Therefore,
The resistivity for further decreasing aluminium alloy cable becomes urgency instantly.Stone big science and technology petrochemical industry Co., Ltd Jia Ke in Shandong is in " section
Skill technical application " entitled " aluminium alloy cable, aluminium cable, copper cable techno-economic comparison " has been delivered, describe company A
Resistance value is 0.8480, that is to say, that this cable sacrifices aluminium by adding a small amount of metallic elements such as copper, iron, magnesium in fine aluminium
Electric conductivity, exchange the raising of its mechanical performance for.
Summary of the invention
The present invention proposes a kind of cable Al-Cu-Mg-Mn line aluminium alloy, and not only resistivity is low for the aluminium alloy, but also resists compacted
Denaturation can be good with anti-fatigue performance.
The technical scheme of the present invention is realized as follows:
A kind of cable Al-Cu-Mg-Mn line aluminium alloy, the component including following weight percent:
Cu 0.03~0.09%, Mn 0.2~0.4%, Mg 0.02~0.08%, Sc 0.04~0.08%, modified stone
Black alkene 0.2~0.4%, surplus are Al and impurity；The modified graphene is mainly by nano-TiO2, Fe powder, lanthana, zinc powder with
Graphene powder is prepared.
Preferably, the preparation method of the modified graphene, comprising the following steps:
1) by nano-TiO2It is put into three-dimensional material mixer with Fe powder, is mixed 2~3 hours under room temperature and obtain mixed powder A；
2) lanthana and zinc powder are put into three-dimensional material mixer, obtain mixed powder B after mixing 8~12 hours under room temperature,
It is spare；
3) by the mixture A of step 1), step 2) mixture B, graphene powder and polyacrylamide according to 80~85:
The mass ratio of 5~10:1 is put into three-dimensional material mixer, obtains modified graphene after mixing 12~15 hours under room temperature.
Preferably, the nano-TiO2Mass ratio with Fe powder is 10~16:1.
Preferably, the mass ratio of the lanthana and zinc powder is 1:4~8.
Graphene belongs to two-dimensional material, possesses excellent electric conductivity.The present invention is by graphene powder and nano-TiO2、Fe
Powder, lanthana, zinc powder are mixed, and in the presence of polyacrylamide, before meeting raising aluminium alloy cable conductivity
It puts, improves the creep-resistant property and anti-fatigue performance of aluminium alloy cable.Fe can also significantly improve the high-temperature creep resistance of alloy
Can, and improve the anti-fatigue performance of alloy；Cu can also be improved high temperature creep property and anti-fatigue performance, and have certain
Solid solution strengthening effect, the CuAl of Precipitation2There is apparent ageing strengthening effect；A small amount of Mg is added in aluminium alloy, it can be real
Now refine cast sturcture.The participation of nano-titanium dioxide can also play the effect for improving alloy antifatigue bending property, extend
The service life of cable.
Mn can prevent the recrystallization process of aluminium alloy, improve recrystallization temperature, and can significantly refine recrystal grain；It ties again
The refinement of Jingjing grain mainly passes through MnAl6Compound disperses particle has grown up inhibition to recrystal grain；Mn can be with
Shielding impurity Si well reduces the illeffects of Si, while playing alloying action with rare earth Sc, can significant modified alloy
Antifatigue bending property, improve the service life of cable.Scandium element can improve the intensity of alloy material, while hardly reduce
The conductivity of material, and the heat resistance of material can be improved.Scandium also has the degasification of rare earth, denitrogenation, slag making, neutralizes micro eutectic
The effect of point impurity, the function of changing impurity state and apparent refinement crystal grain.
The cable of the present invention preparation method of Al-Cu-Mg-Mn line aluminium alloy, includes the following steps:
1) al alloy component being proportionally added into other than removing modified graphene mentioned in the present invention, at 700~800 DEG C
Under the conditions of carry out smelting technology, blow powder machine using nitrogen and modified graphene be blown into molten liquid, then in 660~690 DEG C of items
It is cast under part, obtains ingot casting；
2) ingot casting for obtaining step 1) 2~6h of solution treatment within the scope of 450~520 DEG C, then at 30~60 DEG C
Rapid quenching in cooling water；
3) ingot casting for obtaining step 2) 6~10h of ageing treatment within the scope of 160~240 DEG C, then it is warming up to 300~400
DEG C, it is rolled into rod of metal alloy；
4) within the scope of 280~300 DEG C, the rod of metal alloy that step 3) is rolled into carries out drawing processing, makes reduced cross-sectional area
Into step c, the 50~60% of cross-sectional area, obtain aluminium alloy wire；
5) under the conditions of forming the temperature of aluminium alloy core, the aluminium alloy wire that step 4) is obtained carries out drawing processing again,
Make 80~100% of aluminium alloy wire sectional area in reduced cross-sectional area to step 4), obtains aluminium alloy conductor monofilament；
6) aluminium alloy conductor monofilament for obtaining several steps 5) is twisted, carries out for the first time under the conditions of 230~320 DEG C
It is heat-treated 3~6h, then 8~14h will be heat-treated again under the conditions of 300~400 DEG C, and obtain aluminium alloy conductor core.
Beneficial effects of the present invention:
1, cable of the present invention with Al-Cu-Mg-Mn line aluminium alloy using resistivity low, modified graphene of excellent electric conductivity
Aluminium alloy is modified, the anti-fatigue performance of rear aluminium alloy and creep-resistant property all improve after tested, while resistance
Rate decreased significantly.Cable of the present invention is more applicable for electric power with the relatively traditional aluminium alloy cable of Al-Cu-Mg-Mn line aluminium alloy
Transmission.
2, the resistivity of cable of the present invention Al-Cu-Mg-Mn line aluminium alloy is less than or equal to 0.02671 Ω mm2/ m breaks
Elongation is split more than or equal to 12%, and under the conditions of 120 DEG C of temperature, 120MPa compression, 1~100 hour average creep speed is small
In equal to 4.0 × 10-2(%/h), 90 degree of tired bending number of times are more than or equal to 30 times.
Specific embodiment
Embodiment 1
A kind of cable Al-Cu-Mg-Mn line aluminium alloy, the component including following weight percent:
Cu 0.06%, Mn 0.3%, Mg 0.06%, Sc 0.06%, modified graphene 0.3%, surplus are Al and miscellaneous
Matter.
The preparation method of modified graphene, comprising the following steps:
1) by nano-TiO2It is put into three-dimensional material mixer with Fe powder, is mixed 2 hours under room temperature and obtain mixed powder A；It is described
Nano-TiO2Mass ratio with Fe powder is 10:1.
2) lanthana and zinc powder are put into three-dimensional material mixer, obtain mixed powder B after mixing 10 hours under room temperature, it is standby
With；The mass ratio of the lanthana and zinc powder is 1:6.
3) by the mixture A of step 1), step 2) mixture B, graphene powder and polyacrylamide according to 80:8:1
Mass ratio be put into three-dimensional material mixer, obtain modified graphene after mixing 13 hours under room temperature.
Embodiment 2
A kind of cable Al-Cu-Mg-Mn line aluminium alloy, the component including following weight percent:
Cu 0.03~0.09%, Mn 0.2%, Mg 0.04%, Sc 0.04%, modified graphene 0.2%, surplus Al
And impurity.
The preparation method of modified graphene, comprising the following steps:
1) by nano-TiO2It is put into three-dimensional material mixer with Fe powder, is mixed 3 hours under room temperature and obtain mixed powder A；It is described
Nano-TiO2Mass ratio with Fe powder is 13:1.
2) lanthana and zinc powder are put into three-dimensional material mixer, obtain mixed powder B after mixing 8 hours under room temperature, it is spare；
The mass ratio of the lanthana and zinc powder is 1:4.
3) by the mixture A of step 1), step 2) mixture B, graphene powder and polyacrylamide according to 83:5:1
Mass ratio be put into three-dimensional material mixer, obtain modified graphene after mixing 12 hours under room temperature.
Embodiment 3
A kind of cable Al-Cu-Mg-Mn line aluminium alloy, the component including following weight percent:
Cu 0.09%, Mn 0.2%, Mg 0.08%, Sc 0.08%, modified graphene 0.4%, surplus are Al and miscellaneous
Matter.
The preparation method of modified graphene, comprising the following steps:
1) by nano-TiO2It is put into three-dimensional material mixer with Fe powder, is mixed 2 hours under room temperature and obtain mixed powder A；It is described
Nano-TiO2Mass ratio with Fe powder is 16:1.
2) lanthana and zinc powder are put into three-dimensional material mixer, obtain mixed powder B after mixing 12 hours under room temperature, it is standby
With；The mass ratio of the lanthana and zinc powder is 1:8.
3) by the mixture A of step 1), step 2) mixture B, graphene powder and polyacrylamide according to 85:6:1
Mass ratio be put into three-dimensional material mixer, obtain modified graphene after mixing 13 hours under room temperature.
Embodiment 4
A kind of cable Al-Cu-Mg-Mn line aluminium alloy, the component including following weight percent:
Cu 0.04%, Mn 0.4%, Mg 0.02%, Sc 0.04%, modified graphene 0.2%, surplus are Al and miscellaneous
Matter.
The preparation method of modified graphene, comprising the following steps:
1) by nano-TiO2It is put into three-dimensional material mixer with Fe powder, is mixed 3 hours under room temperature and obtain mixed powder A；It is described
Nano-TiO2Mass ratio with Fe powder is 12:1.
2) lanthana and zinc powder are put into three-dimensional material mixer, obtain mixed powder B after mixing 10 hours under room temperature, it is standby
With；The mass ratio of the lanthana and zinc powder is 1:6.
3) by the mixture A of step 1), step 2) mixture B, graphene powder and polyacrylamide according to 80:10:1
Mass ratio be put into three-dimensional material mixer, obtain modified graphene after mixing 15 hours under room temperature.
Test example
The cable that above-described embodiment 1~4 is prepared carries out electricity according to GB/T3956 with Al-Cu-Mg-Mn line aluminium alloy
The experiment of resistance rate carries out extension at break experiment according to GB/T228-2002, carries out under the conditions of 120 DEG C of temperature, 120MPa compression
Creep test (1~100 hour), 90 degree of fatigue bending experiments, the test of 400h corrosion resistance；It is tested by as defined in MT818.1
Method, the cable that Examples 1 to 4 is prepared carry out 9000 bending resistances with Al-Cu-Mg-Mn line aluminium alloy and test,
As a result referring to table 1.
1 aluminium alloy capability parameter list of table
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, 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 (4)
1. a kind of cable Al-Cu-Mg-Mn line aluminium alloy, which is characterized in that the component including following weight percent:
Cu 0.03~0.09%, Mn 0.2~0.4%, Mg 0.02~0.08%, Sc 0.04~0.08%, modified graphene
0.2~0.4%, surplus is Al and impurity；The modified graphene is mainly by nano-TiO2, Fe powder, lanthana, zinc powder and graphite
Alkene powder is prepared.
2. cable according to claim 1 Al-Cu-Mg-Mn line aluminium alloy, which is characterized in that the modified graphene
Preparation method, comprising the following steps:
1) by nano-TiO2It is put into three-dimensional material mixer with Fe powder, is mixed 2~3 hours under room temperature and obtain mixed powder A；
2) lanthana and zinc powder are put into three-dimensional material mixer, obtain mixed powder B after mixing 8~12 hours under room temperature, it is spare；
3) by the mixture A of step 1), step 2) mixture B, graphene powder and polyacrylamide according to 80~85:5~
The mass ratio of 10:1 is put into three-dimensional material mixer, obtains modified graphene after mixing 12~15 hours under room temperature.
3. cable according to claim 2 Al-Cu-Mg-Mn line aluminium alloy, which is characterized in that the nano-TiO2With Fe
The mass ratio of powder is 10~16:1.
4. cable according to claim 2 Al-Cu-Mg-Mn line aluminium alloy, which is characterized in that the lanthana and zinc
The mass ratio of powder is 1:4~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996363.3A CN109097633A (en) | 2018-08-29 | 2018-08-29 | Cable Al-Cu-Mg-Mn line aluminium alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996363.3A CN109097633A (en) | 2018-08-29 | 2018-08-29 | Cable Al-Cu-Mg-Mn line aluminium alloy |
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| Publication Number | Publication Date |
|---|---|
| CN109097633A true CN109097633A (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810996363.3A Pending CN109097633A (en) | 2018-08-29 | 2018-08-29 | Cable Al-Cu-Mg-Mn line aluminium alloy |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299669A (en) * | 2014-09-15 | 2015-01-21 | 安徽亚南电缆厂 | Al-Fe-Cu-Mg-Mn aluminum alloy used for coal mine cables and aluminum alloy cable |
| CN106531293A (en) * | 2016-12-29 | 2017-03-22 | 合肥开尔纳米能源科技股份有限公司 | Graphene modified aluminum alloy cable core and preparation method thereof |
| CN107099708A (en) * | 2017-04-21 | 2017-08-29 | 安徽南洋新材料科技股份有限公司 | A kind of graphene rare earth aluminium alloy height leads the preparation method of material |
| CN107119214A (en) * | 2017-04-19 | 2017-09-01 | 安徽固齐线路器材有限公司 | A kind of power cable Al-alloy material |
| CN107675028A (en) * | 2017-09-25 | 2018-02-09 | 广州埃米石墨烯投资管理有限公司 | A kind of single-layer graphene/aluminium composite material and preparation method thereof |
| CN107904459A (en) * | 2017-11-23 | 2018-04-13 | 国网河南省电力公司孟州市供电公司 | A kind of cable graphene high conductivity Al-alloy and preparation method thereof |
-
2018
- 2018-08-29 CN CN201810996363.3A patent/CN109097633A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299669A (en) * | 2014-09-15 | 2015-01-21 | 安徽亚南电缆厂 | Al-Fe-Cu-Mg-Mn aluminum alloy used for coal mine cables and aluminum alloy cable |
| CN106531293A (en) * | 2016-12-29 | 2017-03-22 | 合肥开尔纳米能源科技股份有限公司 | Graphene modified aluminum alloy cable core and preparation method thereof |
| CN107119214A (en) * | 2017-04-19 | 2017-09-01 | 安徽固齐线路器材有限公司 | A kind of power cable Al-alloy material |
| CN107099708A (en) * | 2017-04-21 | 2017-08-29 | 安徽南洋新材料科技股份有限公司 | A kind of graphene rare earth aluminium alloy height leads the preparation method of material |
| CN107675028A (en) * | 2017-09-25 | 2018-02-09 | 广州埃米石墨烯投资管理有限公司 | A kind of single-layer graphene/aluminium composite material and preparation method thereof |
| CN107904459A (en) * | 2017-11-23 | 2018-04-13 | 国网河南省电力公司孟州市供电公司 | A kind of cable graphene high conductivity Al-alloy and preparation method thereof |
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Application publication date: 20181228 |