CN106710663A - High-conductivity rare earth aluminum alloy wire and manufacturing method thereof - Google Patents
High-conductivity rare earth aluminum alloy wire and manufacturing method thereof Download PDFInfo
- Publication number
- CN106710663A CN106710663A CN201611106449.1A CN201611106449A CN106710663A CN 106710663 A CN106710663 A CN 106710663A CN 201611106449 A CN201611106449 A CN 201611106449A CN 106710663 A CN106710663 A CN 106710663A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- aluminium
- aluminium alloy
- aluminum alloy
- alloy wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
-
- 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
- C22C21/10—Alloys based on aluminium with zinc as the next major constituent
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Conductive Materials (AREA)
Abstract
The invention provides a rare earth aluminum alloy wire high in electrical conductivity, corrosion resistance, wear resistance and toughness, and a manufacturing method of manufacturing the rare earth aluminum alloy wire. The rare earth aluminum alloy material comprises silver, silicon, iron, zinc, gallium, a rare earth element, aluminum and inevitable elements. The contents of all the above elements are as follows: 0.05-0.5 wt% of Ag, 0.01-0.1 wt% of Si, 0.01-0.2 wt% of Fe, 0.01-0.1 wt% of Zn, 0.01-0.03 wt% of Ga, 0.05-0.25 wt% of rare earth element, and the balance of aluminum and inevitable impurities. According to the technical scheme of the method for manufacturing the rare earth aluminum alloy wire, firstly, an aluminum ingot is melted. Secondly, corresponding alloying elements are added into the molten aluminum liquid. Thirdly, through the continuous-casting, continuous-rolling and drawing process, an aluminum alloy wire is finally manufactured. The manufactured aluminum alloy wire is excellent in electrical conductivity, and the conductivity of the aluminum alloy wire can reach or exceed 101. 2% IACS. Meanwhile, the manufactured aluminum alloy wire is excellent in flexibility, corrosion resistance and wear resistance.
Description
Technical field
The invention belongs to electric wire and cable conductor Material Field, in particular it relates to a kind of high conductivity rare earth aluminium
Alloy wire and preparation method thereof.
Background technology
The current electric wire and cable conductor overwhelming majority uses copper conductor, and because China's copper resource is relatively deficient, copper valency occupies height not
Under, copper conductor accounts for about the 70% of copper cable cost, and the cost for manufacturing copper cable is too high.Aluminium alloy cable relative to copper cable, its
Weight is lighter, is easy to lay, and can at least reduce the mounting cost of 20%-40%.But the conductance of aluminium alloy conductor is copper leads
The 61.5% of body conductance, current-carrying capacity is the 79% of copper conductor, and the copper conductor conductance of per unit volume will be significantly better than aluminium alloy
The conductance of conductor.
The electrical conductivity of aluminium alloy wire how is improved on the premise of aluminium alloy mechanics, toughness, decay resistance is ensured, is reduced
Transmission of electricity is damaged, as current aluminium alloy conductor technical need the most urgent.
The content of the invention
For the defect that existing aluminium alloy conductor is present, a purpose of the invention is to provide a kind of high conductivity rare earth aluminium
Alloy wire, the rare earth aluminium alloy line has excellent conductance, corrosion resistance, wearability, toughness simultaneously, used as wire usability
Can be excellent, safe and reliable.
It is a further object to provide the preparation method of above-mentioned high conductivity rare earth aluminium alloy line.
It is also another object of the present invention to provide the purposes of above-mentioned high conductivity rare earth aluminium alloy line.
To achieve these goals, a technical scheme of the invention provides a kind of high conductivity rare earth aluminium alloy line,
It is made up of the rare earth aluminum alloy material comprising following component：The Si of the Ag of 0.05-0.5wt%, 0.01-0.1wt%, 0.01-
The rare earth element of the Ga of the Zn of the Fe of 0.2wt%, 0.01-0.1wt%, 0.01-0.03wt%, 0.05-0.25wt%, remaining be aluminium and
Inevitable impurity,
Wherein, the rare earth element includes following component：The Nd of the Ce of 0.02-0.1wt%, 0.02-0.05wt%, 0.005-
The La of the Sm of the Pr of 0.01wt%, 0.0001-0.001wt%, 0.0001-0.02wt%,
The content of the single impurity element of the inevitable impurity is 0-0.01wt%, and the total content of its impurity is 0-
0.03wt%。
Further, above-mentioned rare earth aluminum alloy material includes following component：The Ag of 0.2-0.5wt%, 0.01-0.05wt%'s
The rare earth element of the Ga of the Zn of the Fe of Si, 0.01-0.1wt%, 0.01-0.05wt%, 0.01-0.02wt%, 0.05-0.25wt%,
Remaining is aluminium and inevitable impurity.
Further, above-mentioned rare earth aluminum alloy material includes following component：The Si of the Ag of 0.2wt%, 0.04wt%,
The rare earth element of the Ga of the Zn of the Fe of 0.05wt%, 0.01wt%, 0.01wt%, 0.2wt%, remaining is aluminium miscellaneous with inevitable
Matter.
The technical scheme that the present invention is provided mainly is made by the species and content of the metallic element for controlling aluminium alloy wire to include
The conductance of the aluminium alloy reaches 101.2%IACS (conductance).
Another technical scheme of the invention additionally provides a kind of preparation method of above-mentioned rare earth aluminium alloy line, the method bag
Include following steps：
（a）By in aluminium ingot addition smelting furnace, temperature is risen to 665-680 DEG C from room temperature in 3.5-4.5h, is incubated 80-100min,
Above-mentioned alloying element is added, 30-50min is incubated, above step is carried out under conditions of nitrogen blowing and stirring；
（b）φ 9.5mm aluminium alloy rods are made by continuous casting, tandem rolling, its aluminium alloy rod three drawings is carried out into, after first time drawing
The spheroidizing 230-260min at 370-390 DEG C, after second drawing at 370-390 DEG C spheroidizing 170-190min,
Finally carry out third time and be drawn to required size.
Further, the preparation method of above-mentioned rare earth aluminium alloy line is comprised the following steps：
（a）By in aluminium ingot addition smelting furnace, temperature is risen to 670 DEG C from room temperature in 4h, be incubated 90min, add above-mentioned alloy unit
Element, is incubated 40min, and above step is carried out under conditions of nitrogen blowing and stirring,
（b）φ 9.5mm aluminium alloy rods are made by continuous casting, tandem rolling, the aluminium alloy rod that will be made carries out three drawings, draws for the first time
After pulling out at 380 DEG C spheroidizing 240min, after second drawing at 380 DEG C spheroidizing 180min, finally carry out the 3rd
It is secondary to be drawn to required size.
In above-mentioned technical proposal, high-purity aluminium ingot of the aluminium ingot using purity more than 99.6wt%.
Another technical scheme of the invention additionally provide above-mentioned high conductivity rare earth aluminium alloy line be applied to prepare it is solid
The purposes of conductor, strands conductor or enamel-covered wire.
Relative to prior art, the rare earth aluminium alloy line that the present invention is provided has the advantages that：
1st, the micro rear earth element nd for adding（Nd）, praseodymium（Pr）, samarium（Sm）, lanthanum（La）, cerium（Ce）Change the crystallization of alloy
Condition, is mainly manifested in crystal grain thinning and crystallization, improves the heat resistance of aluminium alloy, increased elongation, the fracture of aluminium alloy wire
Toughness and anti-wear performance etc..Rare earth aluminium alloy can also make surface oxidation membrane structure change, and improve the decay resistance of product.
2nd, the silver and its alloy for adding are beneficial to improve conductance, oxidation resistance and the ductility of aluminium alloy.
3rd, the corrosion weight loss value that the micro gallium for adding is enabled aluminum alloy to is reduced, and can suppress the corrosion of aluminium alloy.
4th, the iron for adding has more obvious effect to the heat resistance for improving aluminium alloy, can improve aluminium alloy and transport for a long time
Capable heat endurance.
5th, the silicon for adding is enabled aluminum alloy to preferable casting character and corrosion stability as reducing agent and deoxidier, can be shown
Write the elastic limit for improving metal.
6th, a certain amount of Zn for adding plays good effect for improving the anti-wear performance of alloy, can improve alloy
Service life.
In addition, the spheroidizing recrystallization step in the rare earth aluminium alloy line preparation method of present invention offer eliminates drawing
With the internal stress produced during process and the institutional framework of alloy is improved, make alloy that there is conductance higher.
Rare earth aluminium alloy line prepared by the present invention is used as wire has good toughness, anti-breakdown performance compared with copper conductor
Greatly improve, conductance is close or better than copper conductor, with good security, preferable economic and social benefit.
Specific embodiment
Describe technical scheme in detail by the following examples, embodiment below is only capable of for explaining this hair
It is bright, but limitation of the invention is not constituted.
Embodiment 1
Aluminum alloy materials include following component：The Zn of the Fe of the Si of the Ag of 0.05wt%, 0.01wt%, 0.01wt%, 0.01wt%,
The rare earth element of the Ga of 0.01wt%, 0.05wt%, remaining is aluminium and inevitable impurity.The chemical composition of the rare earth element
For：The 0.02wt% of the 0.0008wt% of the Pr of the Nd of the Ce of 0.02wt%, 0.02wt%, 0.005wt%, Sm, La.It is described to keep away
The content 0-0.01wt% of the single impurity element of the impurity exempted from, the total content 0-0.03wt% of its impurity.
Under nitrogen atmosphere, in 4h, by aluminium ingot（Aluminium content is not less than 99.6wt%）670 DEG C are at the uniform velocity warming up to, will
Alloying element is added after aluminum melting stirring 90min, continues to stir 40min, refining, slagging-off.φ 9.5mm are made by continuous casting, tandem rolling
Aluminium alloy rod.The aluminium bar of φ 9.5mm is carried out into first time drawing, afterwards the spheroidizing 240min at 380 DEG C, air is cooled to
Normal temperature, is drawn to φ 4mm for the second time, and the spheroidizing 180min at 380 DEG C, air is cooled to normal temperature, carries out third time
Drawing, the size needed for.
Rare earth aluminum alloy conductor performance detection is as follows obtained in the present embodiment：
Conductance 99.5%IACS, tensile strength 110Mpa, rate elongation 31%, anti-wear performance improve 1.4 times, corrosion resistant compared to fine aluminium
Corrosion can improve 1.3 times compared to fine aluminium, and thermal shock experiment is that 2min does not puncture at 30min and 300 DEG C at 200 DEG C.
Embodiment 2
Aluminum alloy materials include following component：The Zn of the Fe of the Si of the Ag of 0.5wt%, 0.1wt%, 0.2wt%, 0.1wt%,
The rare earth element of the Ga of 0.03wt%, 0.25wt%, remaining is aluminium and inevitable impurity.The chemical composition of the rare earth element
For：The La of the Sm of the Pr of the Nd of the Ce of 0.1wt%, 0.05wt%, 0.01wt%, 0.0009wt%, 0.01wt%.It is described inevitable
Impurity single impurity element content 0-0.01wt%, the total content 0-0.03wt% of its impurity.
Under nitrogen atmosphere, in 4h, by aluminium ingot（Aluminium content is not less than 99.6wt%）670 DEG C are at the uniform velocity warming up to,
Above-mentioned alloying element is added after aluminum melting is stirred into 90min, continues to stir 40min, refining, slagging-off.φ is made by continuous casting, tandem rolling
9.5mm aluminium alloy rods.The aluminium bar of φ 9.5mm is carried out into first time drawing, afterwards spheroidizing 240min, air at 380 DEG C
Normal temperature is cooled to, φ 4mm are drawn to for the second time, the spheroidizing 180min at 380 DEG C, air is cooled to normal temperature, carries out
Third time drawing, the size needed for.
Rare earth aluminum alloy conductor performance detection is as follows obtained in the present embodiment：
Conductance 101.2%IACS, tensile strength 105Mpa, rate elongation 33%, anti-wear performance are resistance to compared to 1.8 times of fine aluminium raising
Corrosive nature improves 1.5 times compared to fine aluminium, and thermal shock experiment is that 2min does not puncture at 30min and 300 DEG C at 200 DEG C.
Embodiment 3
Aluminum alloy materials press following component：The Zn of the Fe of the Si of the Ag of 0.2wt%, 0.04wt%, 0.05wt%, 0.01wt%,
The rare earth element of the Ga of 0.01wt%, 0.2wt%, remaining is aluminium and inevitable impurity.The chemical composition of the rare earth element
Percentage by weight be：The Sm of the Pr of the Nd of the Ce of 0.05wt%, 0.04wt%, 0.007wt%, 0.0009wt%, 0.01wt%'s
La.The content 0-0.01wt% of the single impurity element of the inevitable impurity, the total content 0-0.03wt% of its impurity.
Under nitrogen atmosphere, in 4h, by aluminium ingot（Aluminium content is not less than 99.6wt%）670 DEG C are at the uniform velocity warming up to,
Above-mentioned alloying element is added after aluminum melting is stirred into 90min, continues to stir 40min, refining, slagging-off.φ is made by continuous casting, tandem rolling
9.5mm aluminium alloy rods.The aluminium bar of φ 9.5mm is carried out into first time drawing, afterwards spheroidizing 240min, air at 380 DEG C
Normal temperature is cooled to, φ 4mm are drawn to for the second time, the spheroidizing 180min at 380 DEG C, air is cooled to normal temperature, carries out
Third time drawing, the size needed for.
Rare earth aluminum alloy conductor performance detection is as follows obtained in the present embodiment：
Conductance 99.9%IACS, tensile strength 101Mpa, rate elongation 32%, anti-wear performance improve 1.3 times, corrosion resistant compared to fine aluminium
Corrosion can improve 1.2 times compared to fine aluminium, and thermal shock experiment is that 2min does not puncture at 30min and 300 DEG C at 200 DEG C.
Claims (7)
1. it is a kind of that there is high conductivity rare earth aluminium alloy line, it is characterised in that the rare earth aluminum alloy material system comprising following component
Into：The Zn of the Fe of the Si of the Ag of 0.05-0.5wt%, 0.01-0.1wt%, 0.01-0.2wt%, 0.01-0.1wt%, 0.01-
The rare earth element of the Ga of 0.03wt%, 0.05-0.25wt%, remaining is aluminium and inevitable impurity,
Wherein, the rare earth element includes following component：The Nd of the Ce of 0.02-0.1,0.02-0.05wt%, 0.005-0.01wt%
Pr, the Sm of 0.0001-0.001wt%, the La of 0.0001-0.02wt%,
The content 0-0.01wt% of the single impurity element of the inevitable impurity, the total content 0-0.03wt% of its impurity.
2. according to the high conductivity rare earth aluminium alloy line described in claim 1, it is characterised in that the rare earth aluminum alloy material is included
Following component：The Zn of the Fe of the Si of the Ag of 0.2-0.5wt%, 0.01-0.05wt%, 0.01-0.1wt%, 0.01-0.05wt%,
The rare earth element of the Ga of 0.01-0.02wt%, 0.05-0.25wt%, remaining is aluminium and inevitable impurity.
3. according to the high conductivity rare earth aluminium alloy line described in claim 1, it is characterised in that the rare earth aluminum alloy material is included
Following component：The Ga of the Zn of the Fe of the Si of the Ag of 0.2wt%, 0.04wt%, 0.05wt%, 0.01wt%, 0.01wt%, 0.2wt%'s
Rare earth element, remaining is aluminium and inevitable impurity.
4. the preparation method of the high conductivity rare earth aluminium alloy line any one of a kind of claim 1-3, it is characterised in that
The preparation method is comprised the following steps：
（a）By in aluminium ingot addition smelting furnace, temperature is risen to 665-680 DEG C from room temperature in 3.5-4.5h, is incubated 80-100min,
Above-mentioned alloying element is added, 30-50min is incubated, above step is carried out under conditions of nitrogen blowing and stirring；
（b）φ 9.5mm aluminium alloy rods are made by continuous casting, tandem rolling；
Its aluminium alloy rod is carried out into three drawings, after first time drawing at 370-390 DEG C spheroidizing 230-260min, second
After secondary drawing at 370-390 DEG C spheroidizing 170-190min, finally carry out third time be drawn to required size.
5. according to the preparation method described in claim 4, it is characterised in that the preparation method is comprised the following steps：
（a）By in aluminium ingot addition smelting furnace, temperature is risen to 670 DEG C from room temperature in 4h, be incubated 90min, add above-mentioned alloy unit
Element, is incubated 40min, and above step is carried out under conditions of nitrogen blowing and stirring,
（b）φ 9.5mm aluminium alloy rods are made by continuous casting, tandem rolling；
The aluminium alloy rod that will be made carries out three drawings, after first time drawing at 380 DEG C spheroidizing 240min, second drawing
The spheroidizing 180min at 380 DEG C, finally carries out third time and is drawn to required size afterwards.
6. the preparation method according to claim 4 or 5, raffinal of the aluminium ingot using purity more than 99.6wt%
Ingot.
7. a kind of high conductivity rare earth aluminium alloy line by any one of claims 1 to 3 be applied to prepare solid conductor,
The purposes of strands conductor or enamel-covered wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106449.1A CN106710663B (en) | 2016-12-06 | 2016-12-06 | A kind of high conductivity rare earth aluminium alloy line and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611106449.1A CN106710663B (en) | 2016-12-06 | 2016-12-06 | A kind of high conductivity rare earth aluminium alloy line and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106710663A true CN106710663A (en) | 2017-05-24 |
| CN106710663B CN106710663B (en) | 2018-01-23 |
Family
ID=58935872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611106449.1A Active CN106710663B (en) | 2016-12-06 | 2016-12-06 | A kind of high conductivity rare earth aluminium alloy line and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710663B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806822A (en) * | 2018-06-12 | 2018-11-13 | 金寨县鑫和新能源科技有限公司 | A kind of high conductivity rare-earth aluminum alloy lead wire and preparation method thereof |
| CN109295346A (en) * | 2017-07-24 | 2019-02-01 | 中南大学 | A kind of soft aluminium alloy of high conductivity and its preparation method and application |
| CN109385558A (en) * | 2017-08-02 | 2019-02-26 | 青岛海越机电科技有限公司 | High temperature resistant induction heating cable inner core alloy material formula and preparation |
| CN110004331A (en) * | 2019-04-17 | 2019-07-12 | 国网冀北电力有限公司物资分公司 | A kind of anticorrosion aluminium and preparation method thereof, conducting wire |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3615371A (en) * | 1967-04-08 | 1971-10-26 | Furukawa Electric Co Ltd | Aluminum alloy for electric conductor |
| US3952571A (en) * | 1974-02-12 | 1976-04-27 | Sumitomo Electric Industries, Ltd. | Method of manufacturing aluminum conductor wires |
| CN101974709A (en) * | 2010-09-21 | 2011-02-16 | 安徽欣意电缆有限公司 | Super-soft aluminum alloy conductor and preparation method thereof |
| CN103103392A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Ag-RE aluminium alloy, preparation method thereof and power cable |
-
2016
- 2016-12-06 CN CN201611106449.1A patent/CN106710663B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3615371A (en) * | 1967-04-08 | 1971-10-26 | Furukawa Electric Co Ltd | Aluminum alloy for electric conductor |
| US3952571A (en) * | 1974-02-12 | 1976-04-27 | Sumitomo Electric Industries, Ltd. | Method of manufacturing aluminum conductor wires |
| CN101974709A (en) * | 2010-09-21 | 2011-02-16 | 安徽欣意电缆有限公司 | Super-soft aluminum alloy conductor and preparation method thereof |
| CN103103392A (en) * | 2012-11-09 | 2013-05-15 | 安徽欣意电缆有限公司 | Al-Fe-Ag-RE aluminium alloy, preparation method thereof and power cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109295346A (en) * | 2017-07-24 | 2019-02-01 | 中南大学 | A kind of soft aluminium alloy of high conductivity and its preparation method and application |
| CN109385558A (en) * | 2017-08-02 | 2019-02-26 | 青岛海越机电科技有限公司 | High temperature resistant induction heating cable inner core alloy material formula and preparation |
| CN108806822A (en) * | 2018-06-12 | 2018-11-13 | 金寨县鑫和新能源科技有限公司 | A kind of high conductivity rare-earth aluminum alloy lead wire and preparation method thereof |
| CN110004331A (en) * | 2019-04-17 | 2019-07-12 | 国网冀北电力有限公司物资分公司 | A kind of anticorrosion aluminium and preparation method thereof, conducting wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106710663B (en) | 2018-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101525709B (en) | High-elongation aluminum alloy material and preparation method thereof | |
| CN105063433B (en) | A kind of high conductivity and heat heat resistance aluminium alloy monofilament and preparation method thereof | |
| CN102978449B (en) | Al-Fe-Sb-RE aluminum alloy, and preparation method and power cable thereof | |
| CN102978448B (en) | Al-Fe-Ba-RE aluminum alloy, and preparation method and power cable thereof | |
| CN102021444B (en) | High-conductive heat-resistant aluminium alloy conductor and preparation method thereof | |
| CN111349820B (en) | High-conductivity heat-resistant Al-Zr-Er alloy wire material and preparation method thereof | |
| CN106710663B (en) | A kind of high conductivity rare earth aluminium alloy line and preparation method thereof | |
| CN102978452B (en) | Al-Fe-Sn-RE aluminium alloy and preparation method thereof and power cable | |
| CN103103392B (en) | Al-Fe-Ag-RE aluminium alloy and preparation method thereof and power cable | |
| CN101914708B (en) | Al-Fe-Cu alloy material and preparation method thereof | |
| CN101974709A (en) | Super-soft aluminum alloy conductor and preparation method thereof | |
| CN103103396B (en) | Al-Fe-Hf-RE aluminium alloy and preparation method thereof and power cable | |
| CN101880799A (en) | Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof | |
| CN108559874B (en) | High-strength high-conductivity heat-resistant aluminum alloy conductor and preparation method thereof | |
| CN101345098B (en) | Aluminum conductor for overhead conductor | |
| CN102903415B (en) | A kind of special-shaped oxidation-resistant high-conductivity aluminum alloy carbon fiber lead wire and manufacture method | |
| CN106676334A (en) | High-strength high-conductivity aluminum-scandium alloy as well as preparation method thereof and use thereof | |
| CN107974581A (en) | A kind of cable High-conductivity creep-resistant aluminum-alloy conductor and preparation method thereof | |
| CN105369077B (en) | Aluminum alloy conductor material and preparation method thereof | |
| CN107236885A (en) | A kind of non-rare earth high-strength wrought magnesium alloy and preparation method thereof | |
| CN106435288A (en) | Aluminum alloy conductor for high-strength high-conductivity automobile wires and preparation method | |
| CN101225486A (en) | Copper-based in-situ composite material and preparation method thereof | |
| CN104862542B (en) | Strength aluminium alloy monofilament and preparation method thereof in a kind of nonheat-treatable | |
| CN111434789A (en) | Heat treatment type high-conductivity heat-resistant Al-Zr-Er-Yb alloy wire material and preparation method thereof | |
| CN102978467B (en) | Al-Fe-Cs-RE aluminum alloy, and preparation method and power cable thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |