CN106811626A - A kind of rare-earth aluminum alloy lead wire - Google Patents
A kind of rare-earth aluminum alloy lead wire Download PDFInfo
- Publication number
- CN106811626A CN106811626A CN201611140843.7A CN201611140843A CN106811626A CN 106811626 A CN106811626 A CN 106811626A CN 201611140843 A CN201611140843 A CN 201611140843A CN 106811626 A CN106811626 A CN 106811626A
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- China
- Prior art keywords
- rare
- lead wire
- aluminium alloy
- aluminum alloy
- earth aluminum
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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
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—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
- C22C21/12—Alloys based on aluminium with copper as the next major constituent
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses a kind of rare-earth aluminum alloy lead wire, in the case where the precursor of weight of cable is not increased, the conductance of increase rate aluminium alloy.A kind of rare-earth aluminum alloy lead wire, the raw material comprising following weight portion：0.1 ~ 1% Cu, 0.05 ~ 0.5 La, 0.1 ~ 0.5 Ce, 0.2 ~ 2% Ag, balance of Al and inevitable impurity.It is used as aluminium alloy element by increasing Ag, the electric conductivity of Ag is being only second to Au in nature, adds the alloy of Ag, can greatly improve the electric conductivity of alloy, add rare earth element ce, La to improve the resistance to corrosion of aluminium alloy, add Cu to improve the mechanical strength of alloy.The present invention also provides a kind of preparation method of covered electric cable simultaneously.
Description
Technical field：
The invention belongs to Power-line technology field, and in particular to a kind of rare-earth aluminum alloy lead wire.
Technical background：
Aluminium alloy power cable is with aluminum alloy materials as conductor, using the special stranded production technology of roll-forming molded line and annealing
The new material power cable of the advanced technology innovation and creation such as treatment.Alloy power cable compensate for conventional fine aluminium cable not
Foot, although do not improve the electric conductivity of cable, but bending property, creep-resistant property and decay resistance etc. carry significantly
Height, ensure that cable keeps continuous stable performance in long term overloading and overheat.
But the conductance 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, although
The weight of cable is reduced, but corresponding current-carrying capacity is also reduced.
Existing patent document
Patent document 1:Chinese patent is disclosed：ZL 201110304307.7.
The content of the invention：
In view of this, it is an object of the invention to provide a kind of rare-earth aluminum alloy lead wire, in the precursor of the weight for not increasing cable
Under, the conductance of increase rate aluminium alloy.Rare-earth aluminum alloy lead wire as disclosed in patent document 1 does not have sufficiently high conduction
Rate.
In order to solve the above problems, the present invention takes following technical scheme:
A kind of rare-earth aluminum alloy lead wire, it is characterised in that the raw material comprising following weight portion：0.1 ~ 1% Cu, 0.05 ~ 0.5
La, 0.1 ~ 0.5 Ce, 0.2 ~ 2% Ag, balance of Al and inevitable impurity.
Preferably, a kind of rare-earth aluminum alloy lead wire, the raw material comprising following weight portion：0.5 ~ 1% Cu, 0.2 ~ 0.5%
La, 0.2 ~ 0.5% Ce, 1 ~ 2% Ag, balance of Al and inevitable impurity.
Preferably, raw material of a kind of rare-earth aluminum alloy lead wire comprising following weight portion：0.7% Cu, 0.3% La, 0.3%
Ce, 1.5% Ag, balance of Al and the impurity that cannot be avoided.
Preferably, a kind of rare-earth aluminum alloy lead wire, the linear diameter of described aluminium alloy conductor is more than or equal to 0.3mm and small
In or equal to 2mm.
A kind of method for making rare-earth aluminum alloy lead wire, comprises the following steps：
The preparation of alloy：By raw material in crucible heating and melting, stir, descum, wherein described raw material are
0.1 ~ 1% Cu, 0.05 ~ 0.5 La, 0.1 ~ 0.5 Ce, 0.2 ~ 2% Ag, balance of Al and inevitable impurity；
The preparation of crude green body：The liquid level and temperature of aluminium alloy are being kept, crude green body is being drawn from aluminium alloy；
The drawing of aluminium alloy wire：Crude green body is preheated, after held for some time, drawing is carried out by wire drawing machine.
A kind of covered electric cable, by the aluminium alloy conductor described in claim 1 or 2 or 3, the aluminium alloy conductor as described in many
Twist together to form aluminium alloy twisted wire, and in the compressed lines formed by being compressed shaping to the twisted wire
One kind covers insulating barrier as conductor outside described conductor.
Beneficial effect
The beneficial effects of the present invention are：It is used as aluminium alloy element by increasing Ag, the electric conductivity of Ag is in nature only secondary
In Au, the alloy of Ag is added, the electric conductivity of alloy can be greatly improved, add rare earth element ce, La to improve the anti-of aluminium alloy
Corrosive power, adds Cu to improve the mechanical strength of alloy.
After comprehensive implementation, rare-earth aluminum alloy lead wire of the invention, conductance is not less than 70IACS, and elongation is not less than 20%,
Pliability improves more than 40% than copper conductor, and creep resisting ability is more than the 350% of fine aluminium wire.
[covered electric cable]
Rare-earth aluminum alloy lead wire of the invention can be twisted together to form aluminium alloy twisted wire, and by the twisted wire
One kind in the compressed lines for being compressed shaping and being formed is used as conductor, and covering insulating barrier is formed outside described conductor
A kind of covered electric cable.The thickness of insulating coating can be properly selected according to required dielectric strength, and to the thickness of insulating barrier
Degree has no particular limits.
Specific embodiment：
Below by embodiment, the present invention is further elaborated.
Embodiment 1
（1）0.7% Cu is added in smelting furnace, 0.3% La, 0.3% Ce, 1.5% Ag, balance of Al and cannot be avoided
Impurity.The temperature of smelting furnace is maintained at 750 DEG C, stir, descum, sampling is analyzed after 1 hour.
（2）To aluminium alloy is added in continuous casting furnace, certain height and liquid level are maintained, open dummy ingot system, draw crude green body, slightly
Base is through guider disk on pallet.
（3）Crude green body is added in holding furnace and is preheated, insulation is carried out rolling over point after a period of time, wears mould in advance, is started wire drawing machine and is entered
Row drawing.
Rare-earth aluminum alloy lead wire conductance 80IACS manufactured in the present embodiment, elongation 32% after testing, pliability is led than copper
Line improves 43%, and creep-resistant property is the 360% of fine aluminium wire.
Embodiment 2
（1）0.1% Cu is added in smelting furnace, 0.05% La, 0.1% Ce, 0.2% Ag, balance of Al and cannot be kept away
The impurity exempted from.The temperature of smelting furnace is maintained at 750 DEG C, stir, descum, sampling is analyzed after 1 hour.
（2）To aluminium alloy is added in continuous casting furnace, certain height and liquid level are maintained, open dummy ingot system, draw crude green body, slightly
Base is through guider disk on pallet.
（3）Crude green body is added in holding furnace and is preheated, insulation is carried out rolling over point after a period of time, wears mould in advance, is started wire drawing machine and is entered
Row drawing.
Rare-earth aluminum alloy lead wire conductance 70IACS manufactured in the present embodiment, elongation 20% after testing, pliability is led than copper
Line improves 40%, and creep-resistant property is the 350% of fine aluminium wire.
Embodiment 3
（1）1% Cu is added in smelting furnace, 0.5% La, 0.5% Ce, 2% Ag, balance of Al are miscellaneous with what cannot be avoided
Matter.The temperature of smelting furnace is maintained at 750 DEG C, stir, descum, sampling is analyzed after 1 hour.
（2）To aluminium alloy is added in continuous casting furnace, certain height and liquid level are maintained, open dummy ingot system, draw crude green body, slightly
Base is through guider disk on pallet.
（3）Crude green body is added in holding furnace and is preheated, insulation is carried out rolling over point after a period of time, wears mould in advance, is started wire drawing machine and is entered
Row drawing.
Rare-earth aluminum alloy lead wire conductance 82IACS manufactured in the present embodiment, elongation 32% after testing, pliability is led than copper
Line improves 42%, and creep-resistant property is the 350% of fine aluminium wire.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than to the scope of the present invention
Limitation, although being elaborated to the present invention with reference to preferred embodiment, it will be understood by those within the art that, can
Modified or equivalent with to technical scheme, without deviating from the spirit and scope of technical solution of the present invention.
Claims (6)
1. a kind of rare-earth aluminum alloy lead wire, it is characterised in that the raw material comprising following weight portion：0.1 ~ 1% Cu, 0.05 ~ 0.5
La, 0.1 ~ 0.5 Ce, 0.2 ~ 2% Ag, balance of Al and inevitable impurity.
2. a kind of rare-earth aluminum alloy lead wire according to claim 1, it is characterised in that the raw material comprising following weight portion：
0.5 ~ 1% Cu, 0.2 ~ 0.5% La, 0.2 ~ 0.5% Ce, 1 ~ 2% Ag, balance of Al and inevitable impurity.
3. a kind of rare-earth aluminum alloy lead wire according to claim 1, it is characterised in that the raw material comprising following weight portion：
0.7% Cu, 0.3% La, 0.3% Ce, 1.5% Ag, balance of Al and the impurity that cannot be avoided.
4. a kind of rare-earth aluminum alloy lead wire according to claim 1, it is characterised in that the line of described aluminium alloy conductor is straight
Footpath is more than or equal to 0.3mm and less than or equal to 2mm.
5. a kind of method for making rare-earth aluminum alloy lead wire, comprises the following steps：
The preparation of alloy：By raw material in crucible heating and melting, stir, descum, wherein described raw material are
0.1 ~ 1% Cu, 0.05 ~ 0.5 La, 0.1 ~ 0.5 Ce, 0.2 ~ 2% Ag, balance of Al and inevitable impurity；
The preparation of crude green body：The liquid level and temperature of aluminium alloy are being kept, crude green body is being drawn from aluminium alloy；
The drawing of aluminium alloy wire：Crude green body is preheated, after held for some time, drawing is carried out by wire drawing machine.
6. a kind of covered electric cable, the aluminium alloy conductor described in claim 1 or 2 or 3, the aluminium alloy conductor as described in many are twisted
It is combined to form aluminium alloy twisted wire, and in the compressed lines formed by being compressed shaping to the twisted wire one
Plant as conductor, and insulating barrier is covered outside described conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140843.7A CN106811626A (en) | 2016-12-12 | 2016-12-12 | A kind of rare-earth aluminum alloy lead wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611140843.7A CN106811626A (en) | 2016-12-12 | 2016-12-12 | A kind of rare-earth aluminum alloy lead wire |
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| Publication Number | Publication Date |
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| CN106811626A true CN106811626A (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611140843.7A Pending CN106811626A (en) | 2016-12-12 | 2016-12-12 | A kind of rare-earth aluminum alloy lead wire |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559895A (en) * | 2018-05-04 | 2018-09-21 | 安徽兴广泰新能源技术有限公司 | Corrosion-resistant ground connection alloy of one kind and preparation method thereof |
| 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 |
| CN110120273A (en) * | 2019-05-21 | 2019-08-13 | 友光电线电缆有限公司 | A kind of rare earth doped aluminium alloy conductor and production method of circuit cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831449B1 (en) * | 1968-04-29 | 1973-09-29 | ||
| CN103074527A (en) * | 2012-10-25 | 2013-05-01 | 安庆天立电线电缆有限责任公司 | Preparation method of aluminum alloy electric conductor |
| CN105463260A (en) * | 2015-12-03 | 2016-04-06 | 黄波 | Al-Ce-Ag-B alloy wire and manufacturing method thereof |
| KR20160115662A (en) * | 2015-03-25 | 2016-10-06 | 주식회사 에프티넷 | Corrosion resistant aluminium alloy, manufacturing method for tube or pipe using the aluminium alloy, and heat exchanger using the same |
-
2016
- 2016-12-12 CN CN201611140843.7A patent/CN106811626A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4831449B1 (en) * | 1968-04-29 | 1973-09-29 | ||
| CN103074527A (en) * | 2012-10-25 | 2013-05-01 | 安庆天立电线电缆有限责任公司 | Preparation method of aluminum alloy electric conductor |
| KR20160115662A (en) * | 2015-03-25 | 2016-10-06 | 주식회사 에프티넷 | Corrosion resistant aluminium alloy, manufacturing method for tube or pipe using the aluminium alloy, and heat exchanger using the same |
| CN105463260A (en) * | 2015-12-03 | 2016-04-06 | 黄波 | Al-Ce-Ag-B alloy wire and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559895A (en) * | 2018-05-04 | 2018-09-21 | 安徽兴广泰新能源技术有限公司 | Corrosion-resistant ground connection alloy of one kind and preparation method thereof |
| 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 |
| CN110120273A (en) * | 2019-05-21 | 2019-08-13 | 友光电线电缆有限公司 | A kind of rare earth doped aluminium alloy conductor and production method of circuit cable |
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