CN102758107B - Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof - Google Patents

Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof Download PDF

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CN102758107B
CN102758107B CN201210189763.6A CN201210189763A CN102758107B CN 102758107 B CN102758107 B CN 102758107B CN 201210189763 A CN201210189763 A CN 201210189763A CN 102758107 B CN102758107 B CN 102758107B
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aluminium
heat
aluminum alloy
alloy
resistant aluminum
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CN201210189763.6A
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CN102758107A (en
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高海燕
张永志
尤伟任
缪小林
顾孙望
王俊
孙宝德
蒯渊
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上海交通大学
上海中天铝线有限公司
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Abstract

The invention discloses a heat-resistant aluminum alloy conductor with high strength and high conductivity and a preparation method thereof. The conductor comprises the following elements in percentage by weight: 0.15-0.60% of zirconium (Zr), 0.03-0.30% of lanthanum (La), 0.03-0.30% of cerium (Ce), 0.01-0.30% of yttrium (Y), 0.05-0.20% of ferrum (Fe), 0.01-0.10% of silicon (Si), not more than 0.10% of other impurity elements and the balance of aluminum. The method comprises the following steps of: preparing raw materials; putting the raw materials into a smelting furnace; heating, degassing and smelting the raw materials; making slag; removing the slag; continuously casting and rolling the raw materials to obtain a heat-resistant aluminum alloy rod; carrying out heat treatment on the heat-resistant aluminum alloy rod; and drawing the heat-resistant aluminum alloy rod by using a wire drawing machine so as to obtain a single heat-resistant aluminum alloy wire. The heat-resistant aluminum alloy conductor disclosed by the invention has the characteristics as follows: the tensile strength reaches 160 MPa, the electric conductivity can reach more than 61% IACS (International Annealed Copper Standard), the long-term operation temperature can reach 180 DEG C, the conductor stands up to examining operation while being heated for one hour at 280 DEG C, and strength survival rate is more than 90%.

Description

Heat-resistant aluminum alloy and preparation method thereof
Technical field
The invention belongs to aluminium alloy conductor manufacturing technology field, be specially high strength, high connductivity and heat-resistant aluminum alloy wire and manufacture method thereof that the defeated modified line road of a kind of built on stilts power supply uses.
Background technology
Along with the high speed development of Chinese national economy, transmitting line is to high-pressure trend, long distance ionization and high capacity future development.And at present China town and country power the heat-resisting wire that defeated modified line road uses, generally by common heat-resisting aluminium alloy single line with common galvanized steel wire is stranded forms.This ordinary heat-resisting conductor, general long-time running temperature is no more than 150 DEG C, and comparatively plain conductor can only improve current capacity 1.6 times, and improve capacity little, and specific conductivity is at below 60%IACS, electric conductivity is low, and line loss is larger.Increase transmitting capacity and operating temperature is constant if want, must increase transmitting line newly or strengthen sectional area of wire, these two kinds of measures all can run into increases investment, costly, transforms steel tower and expand stringing to take many puzzlements such as valuable land resources.And as the common galvanized steel wire of reinforcing element, after preheating, linear expansivity is large, after conveying electrical capacity increases, conductor temperature raises, and sag increases, and affects the safe operation of circuit.According to the strategic plan of China's " transferring electricity from the west to the east ", " national network ", construction that is remote, large capacity transmission circuit is imperative, also has higher requirement to transmission pressure simultaneously.As Liu Zhenyun, Ma Liqun, Ding Yi, at " electric wire " (2008, (3): " development of New Type Heat Resistant Aluminum Alloy aerial condutor and the application " 25 ~ 27) delivered, is referred to the development of heat-resisting aluminum-alloy overhead wire and the problem in urgent need to solve of existence in this article.
Through retrieval, publication number is the Chinese invention patent of 102134668A, this invention relates to a kind of high-strength highly-conductive heat-resisting aluminium alloy wire rod and preparation method thereof, wherein: " this wire rod is made up of the raw material of following per-cent: aluminium Al98.5-99.6%, lanthanum La0.1-0.4%, cerium Ce0.1-0.4%, scandium Sc0.1-0.4%, iron Fe0.01-0.2%, silicon Si0.01-0.1%, titanium Ti, vanadium V, manganese Mn and chromium Cr and other impurity element sum <0.01%." preparation method of this wire rod " comprises following operation steps: take raw material by formula and put into mid-frequency melting furnace, intensification degasification melting, slagging-off leaves standstill, continuous casting and rolling becomes aluminium alloy rod, drawing wire machine is drawn into aluminium alloy single line, aging strengthening model, it is characterized in that: under the common melting condition of temperature 780-800 DEG C: lanthanum La, cerium Ce, scandium Sc is when adding, adopt the lanthanum-aluminium of customization, cerium-aluminium, scandium-aluminium intermediate alloy, in lanthanum-aluminium intermediate alloy, the content of lanthanum is 19.51%, in cerium-aluminium intermediate alloy, the content of cerium is 20.01%, in scandium-aluminium intermediate alloy, the content of scandium is 20.11%, described aging strengthening model temperature is 200-240 DEG C, the time is 3-5h, when described drawing wire machine being drawn into aluminium alloy single line, control lubrication temperature not higher than 90 DEG C." this invention aluminium alloy conductor tensile strength reaches more than 255Mpa, electric conductivity can reach more than 60.0%IACS, and resistance toheat long-time running reaches more than 180 DEG C.The shortcoming of this invention technology is: the price of Addition ofelements Sc is too expensive, is difficult to industrially apply on a large scale.
Also find in retrieval, publication number is the Chinese invention patent of 101740157A, the invention provides " a kind of aluminium alloy conductor and manufacture method thereof, in aluminium alloy conductor, the weight percent of each composition consists of: aluminium 99.2%-99.6%; Zirconium 0.03%-0.5%; Yttrium 0.01%-0.1%; Other 0.2%-0.3%.This aluminium alloy conductor adds trace zirconium after being melted by aluminium ingot is smelted into aluminum alloy melt together with yttrium, then forms through step manufactures such as casting and crystallization, rolling, wire drawings.The present invention controls the foreign matter content of aluminium ingot and the content of alloying Addition ofelements by strict, and by adding boron alloy crystal grain thinning, guarantee crystalline state is good, ensure that by adopting the kettle furnace of automatic temperature controlling aluminium liquid can be toppled over totally, produced aluminium alloy conductor is made to have high conductivity and thermotolerance, meet the performance requriements of industry to aluminium alloy conductor, be particularly suited for being made into high conductivity heat-resisting cable." shortcoming of this invention technology is: the zirconium added in boron alloy and aluminium alloy conductor reacts, and does not only have due grain refining effect, and reduces the thermotolerance of alloy.
Electric conductivity, when keeping high strength and thermotolerance, generally cannot be brought up to more than 61%IACS by current domestic aluminium conductor.
Summary of the invention
The present invention, in order to solve deficiency of the prior art, provides a kind of Heat-resistant aluminum alloy and preparation method thereof.The tensile strength of this heat-resistant aluminum alloy wire reaches 160MPa, and electric conductivity can reach more than 61%IACS, and long-time running temperature can reach 180 DEG C, and heats 1 hour trial running at standing 280 DEG C, and intensity survival rate is greater than 90%.
In order to solve the problems of the technologies described above, the present invention adopts following technical proposals:
Heat-resistant aluminum alloy of the present invention, elementary composition by following weight percents of this wire: zirconium Zr is 0.15 ~ 0.60%, lanthanum La is 0.03 ~ 0.30%, cerium Ce is 0.03 ~ 0.30%, yttrium Y is 0.01 ~ 0.30%, and iron Fe is 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, all the other are aluminium.
Further, elementary composition preferably by following weight percents of this wire of the present invention: zirconium Zr is 0.15 ~ 0.60%, lanthanum La is 0.03 ~ 0.20%, cerium Ce is 0.03 ~ 0.20%, yttrium Y is 0.01 ~ 0.25%, and iron Fe is 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, impurity content≤0.10% such as titanium Ti, vanadium V, manganese Mn, chromium Cr, all the other are aluminium.
Described impurity element generally comprise titanium Ti, vanadium V, manganese Mn, chromium Cr etc. one or several.
In the composition of aluminium alloy conductor of the present invention, zirconium separates out Al in heat treatment process 3zr intermetallic compound, effectively enhances intensity and the thermotolerance of aluminium alloy, and rare earth element is mainly used in purifying crystal grain, and improve the electric conductivity of material, yttrium is for improving the electric conductivity of aluminium alloy.The zirconium added in the present invention, rare earth and yittrium alloy price are all relatively more cheap, are applicable to large-scale application in the industry.In addition, do not interact and react in wire composition of the present invention between the element added, multiple element acts synergistically, and by regulating aluminium zirconium, rare earth and aluminium yttrium master alloy content, the thermotolerance of aluminium alloy and electric conductivity is all significantly improved.
The preparation method of Heat-resistant aluminum alloy of the present invention, the method flow process: smelting furnace put into by preparation starting material, intensification degasification melting, slag making, slagging-off, continuous casting and rolling become heat-resisting aluminium alloy pole stock, thermal treatment, drawing wire machine to be drawn into heat-resisting aluminium alloy single line.
The above-mentioned preparation method of the present invention is made up of following steps:
The first, aluminium ingot purity being greater than or equal to 99.7% is placed on melt in furnace, and temperature of aluminum liquid is 720 ~ 750 DEG C;
The second, in molten aluminium, add aluminium zirconium, aluminium rare earth and aluminium yttrium master alloy, in aluminium zirconium hardener, the composition of zirconium is 5%, and aluminium rare earth intermediate alloy middle-weight rare earths composition is 10%, and in aluminium yttrium master alloy, yttrium composition is 11%, makes alloying constituent reach default composition;
3rd, fully stirring, refining degasification, slagging-off leave standstill, and enter continuous casting and rolling production line, cast aluminium alloy cast bar at 750 DEG C ~ 800 DEG C;
4th, by the hot rolling on milling train of aluminium alloy cast bar, entering to roll temperature is 500 ~ 530 DEG C, is produced into heat-resisting aluminium alloy pole stock by aluminium continuous casting and rolling production line.
5th, heat-treat Aluminum alloy pole material, thermal treatment temp is 380 ~ 500 DEG C, and the time is 30 ~ 50 hours.Wire drawing will be carried out through heat treated Aluminum alloy pole material, twisted wire will be produced into Heat-resistant aluminum alloy.
Before wire drawing, Aluminum alloy pole material is heat-treated in preparation method of the present invention, be conducive to the zirconium be solid-solution in aluminium and separate out formation Al 3zr intermetallic compound, very stable under the use temperature of wire, can pinning crystal boundary and dislocation, hinder the movement of crystal boundary and dislocation, improve tensile strength and the thermotolerance of aluminium conductor.With the zirconium be solid-solution in aluminium to compared with the electric conductivity damaging effect of aluminium alloy, Al 3the electric conductivity impact of Zr intermetallic compound on aluminium alloy is faint, and therefore thermal treatment also improves the electric conductivity of aluminium alloy conductor effectively.
After adopting technique scheme, beneficial effect of the present invention is:
1, high-conductive heat-resistant aluminium alloy conductor provided by the present invention has high strength, high conductivity and high heat resistance simultaneously, run line loss energy consumption low, the tensile strength of alumite wire is greater than 160MPa, electric conductivity is greater than 61%IACS, the intensity survival rate of short-term heat resistance 280 DEG C heating single line after 1 hour is higher than 90%, can long-time running at 180 DEG C, current capacity significantly improves, and effectively increases wire ability to transmit electricity.Compared with the heat resistant aluminum alloy wire that aluminium alloy conductor provided by the present invention and existing electric conductivity are 60%, when maintaining high strength and high heat resistance, the electric conductivity of wire is brought up to more than 61%IACS, significantly reduces line loss energy consumption, be conducive to energy-saving and emission-reduction.
In the composition of 2, aluminium alloy conductor of the present invention, zirconium separates out Al in heat treatment process 3zr intermetallic compound, can anchoring dislocation and crystal boundary, hinder the movement of dislocation and crystal boundary, effectively enhance intensity and the thermotolerance of aluminium alloy, rare earth element is mainly used in purifying crystal grain, and improve the electric conductivity of material, yttrium is for improving the electric conductivity of aluminium alloy, by regulating aluminium zirconium, ferro-aluminum and aluminium yttrium master alloy content, aluminium alloy electric conductivity is made to be greater than 61%.
When 3, using the heat-resisting wire of manufacture of the present invention to carry out electric network reconstruction, do not need to strengthen shaft tower intensity and height, do not need to transform Infrastructure, can significantly reduce track remodelling expense.
Embodiment
Below in conjunction with embodiment, the technical solution of the present invention is further explained, but following content is not intended to limit the scope of the invention.
Embodiment 1
Elementary composition by following weight percents of this wire: zirconium Zr0.15%, lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.30%, iron Fe are 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, and all the other are aluminium.Need not add especially in iron, silicon preparation process, but natively be present in aluminium, other embodiments are same.
Select Al99.7% commercial-purity aluminium to be placed in smelting furnace and be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 DEG C, by formula zirconium Zr0.15%, lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.30% takes master alloy respectively and puts into aluminium liquid; After master alloy fusing, put into degasifier degasification, and use graphite rod slowly fully to stir; Degasification removes the gred, and obtain aluminium alloy liquid, allow aluminium alloy liquid enter aluminium bar continuous casting and tandem rolling mechanism at 750 DEG C and carry out strand, strand temperature is 500 ~ 530 DEG C, obtains the aluminium bar of Φ 10mm; Heat-treat in heat treatment furnace, temperature is 380 DEG C, and the time is 50h; Wire drawing on aluminum alloy drawing machine after cooling, obtaining diameter through 12 road wire drawings is Φ 4mm aluminum steel; Be twisted into Heat-resistant aluminum alloy.Its intensity 165MPa after tested, electric conductivity is 61.4%, and short-term 280 DEG C heating 1 hour intensity survival rate is 94.3%.
Embodiment 2
Elementary composition by following weight percents of this wire: Zr0.18%, lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.25%, iron Fe are 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, and all the other are aluminium.
Select Al99.7% commercial-purity aluminium to be placed in smelting furnace and be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 DEG C, by formula zirconium Zr0.18%, lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.25% takes master alloy respectively and puts into aluminium liquid; Other implementation conditions are identical with embodiment 1, after tested its intensity 173MPa, and electric conductivity is 61.8%, and short-term 280 DEG C heating 1 hour intensity survival rate is 95.2%.
Embodiment 3
Elementary composition by following weight percents of this wire: Zr0.18%, zirconium Zr0.60%, lanthanum La0.30%, cerium Ce0.30%, yttrium Y0.01%, iron Fe are 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, and all the other are aluminium.
Select Al99.7% commercial-purity aluminium to be placed in smelting furnace and be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 DEG C, by formula zirconium Zr0.60%, lanthanum La0.30%, cerium Ce0.30%, yttrium Y0.01% takes master alloy respectively and puts into molten aluminium; After master alloy fusing, put into degasifier degasification, and use graphite rod slowly fully to stir; Degasification removes the gred, and obtain aluminium alloy liquid, allow aluminium alloy liquid enter aluminium bar continuous casting and tandem rolling mechanism at 800 DEG C and carry out strand, strand temperature is 510 ~ 530 DEG C, obtains the aluminium bar of Φ 10mm; Heat-treat in heat treatment furnace, temperature is 500 DEG C, and the time is 30h; Wire drawing on aluminum alloy drawing machine after cooling, obtaining diameter through 12 road wire drawings is Φ 4mm aluminum steel; Be twisted into Heat-resistant aluminum alloy.Its intensity 175MPa after tested, electric conductivity is 61.1%, and short-term 280 DEG C heating 1 hour intensity survival rate is 94.1%.
Embodiment 4
Elementary composition by following weight percents of this wire: zirconium Zr0.60%, lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.01%, iron Fe are 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, and all the other are aluminium.
Select Al99.7% commercial-purity aluminium to be placed in smelting furnace and be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 DEG C, by formula zirconium Zr0.60%, lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.01% takes master alloy respectively and puts into molten aluminium; Other implementation conditions are identical with embodiment 3.
Its intensity 189MPa after tested, electric conductivity is 61.3%, and short-term 280 DEG C heating 1 hour intensity survival rate is 95.6%.
Embodiment 5
Elementary composition by following weight percents of this wire: zirconium Zr0.20%, lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.25%, iron Fe are 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, and all the other are aluminium.
Select Al99.7% commercial-purity aluminium to be placed in smelting furnace and be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 DEG C, by formula zirconium Zr0.20%, lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.25% takes master alloy respectively and puts into molten aluminium; After master alloy fusing, put into degasifier degasification, and use graphite rod slowly fully to stir; Degasification removes the gred, and obtain aluminium alloy liquid, allow aluminium alloy liquid enter aluminium bar continuous casting and tandem rolling mechanism at 760 DEG C and carry out strand, strand temperature is 500 ~ 530 DEG C, obtains the aluminium bar of Φ 10mm; Heat-treat in heat treatment furnace, temperature is 400 DEG C, and the time is 40h; Wire drawing on aluminum alloy drawing machine after cooling, obtaining diameter through 12 road wire drawings is Φ 4mm aluminum steel; Be twisted into Heat-resistant aluminum alloy.Its intensity 163MPa after tested, electric conductivity is 61.3%, and short-term 280 DEG C heating 1 hour intensity survival rate is 91.8%.
Below be only the detailed description that preferred embodiment of the present invention is carried out, but the present invention is not limited to above embodiment.It should be understood that in the spirit and scope situation of the claim not departing from the application, the various amendments that those skilled in the art makes, still belong to scope of the present invention.

Claims (4)

1. a Heat-resistant aluminum alloy, it is characterized in that elementary composition by following weight percents of this wire: zirconium Zr is 0.15 ~ 0.60%, lanthanum La is 0.03 ~ 0.30%, cerium Ce is 0.03 ~ 0.30%, yttrium Y is 0.01 ~ 0.30%, and iron Fe is 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, all the other are aluminium.
2. Heat-resistant aluminum alloy according to claim 1, it is characterized in that: elementary composition by following weight percents of this wire: zirconium Zr is 0.15 ~ 0.60%, lanthanum La is 0.03 ~ 0.20%, cerium Ce is 0.03 ~ 0.20%, yttrium Y is 0.01 ~ 0.25%, and iron Fe is 0.05 ~ 0.20%, and silicon Si is 0.01 ~ 0.10%, other impurity content≤0.10%, all the other are aluminium.
3. a preparation method for the Heat-resistant aluminum alloy described in any one of claim 1-2, is characterized in that: described preparation method is made up of following steps:
The first, aluminium ingot purity being greater than or equal to 99.7% is placed on melt in furnace, and temperature of aluminum liquid is 720 ~ 750 DEG C;
The second, in molten aluminium, add aluminium zirconium, aluminium rare earth and aluminium yttrium master alloy, in aluminium zirconium hardener, the composition of zirconium is 5%, and aluminium rare earth intermediate alloy middle-weight rare earths composition is 10%, and in aluminium yttrium master alloy, yttrium composition is 11%, makes alloying constituent reach default composition;
3rd, fully stirring, refining degasification, slagging-off leave standstill, and enter continuous casting and rolling production line, cast aluminium alloy cast bar at 750 DEG C ~ 800 DEG C;
4th, by the hot rolling on milling train of aluminium alloy cast bar, entering to roll temperature is 500 ~ 530 DEG C, is produced into heat-resisting aluminium alloy pole stock by aluminium continuous casting and rolling production line;
5th, heat-treat Aluminum alloy pole material, thermal treatment temp is 380 ~ 500 DEG C, will carry out wire drawing, twisted wire is produced into Heat-resistant aluminum alloy through heat treated Aluminum alloy pole material.
4. a preparation method for Heat-resistant aluminum alloy according to claim 3, is characterized in that: described heat treatment time is 30 ~ 50 hours.
CN201210189763.6A 2012-06-11 2012-06-11 Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof CN102758107B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1444665A (en) * 2000-08-01 2003-09-24 Eads德国有限公司 ALuminium-based alloy and method of fabrication of semiproducts thereof
CN1978686A (en) * 2005-12-01 2007-06-13 上海中天铝线有限公司 Method for manufacturing high-conductive heat-resistance aluminium alloy wire
CN101013616A (en) * 2006-01-31 2007-08-08 Ls电线有限公司 Aluminium alloy cable, manufacturing method thereof and overhead transmission cable using same
CN101740157A (en) * 2008-11-20 2010-06-16 上海中天铝线有限公司 Aluminium-alloy conductor and manufacture method thereof
CN101880799A (en) * 2010-07-13 2010-11-10 安徽欣意电缆有限公司 Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof
CN102021444A (en) * 2010-12-09 2011-04-20 北京科技大学 High-conductive heat-resistant aluminium alloy conductor and preparation method thereof
CN102134668A (en) * 2011-03-02 2011-07-27 合肥工业大学 High-strength high-conductivity heat-resistant aluminum alloy wire and preparation method thereof
CN102360583A (en) * 2011-10-10 2012-02-22 安徽欣意电缆有限公司 Rare-earth aluminum alloy lead wire

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1444665A (en) * 2000-08-01 2003-09-24 Eads德国有限公司 ALuminium-based alloy and method of fabrication of semiproducts thereof
CN1978686A (en) * 2005-12-01 2007-06-13 上海中天铝线有限公司 Method for manufacturing high-conductive heat-resistance aluminium alloy wire
CN101013616A (en) * 2006-01-31 2007-08-08 Ls电线有限公司 Aluminium alloy cable, manufacturing method thereof and overhead transmission cable using same
CN101740157A (en) * 2008-11-20 2010-06-16 上海中天铝线有限公司 Aluminium-alloy conductor and manufacture method thereof
CN101880799A (en) * 2010-07-13 2010-11-10 安徽欣意电缆有限公司 Al-Fe-Zn-Mg rare earth alloy wire and preparation method thereof
CN102021444A (en) * 2010-12-09 2011-04-20 北京科技大学 High-conductive heat-resistant aluminium alloy conductor and preparation method thereof
CN102134668A (en) * 2011-03-02 2011-07-27 合肥工业大学 High-strength high-conductivity heat-resistant aluminum alloy wire and preparation method thereof
CN102360583A (en) * 2011-10-10 2012-02-22 安徽欣意电缆有限公司 Rare-earth aluminum alloy lead wire

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