CN102758107A - 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 PDFInfo
- Publication number
- CN102758107A CN102758107A CN2012101897636A CN201210189763A CN102758107A CN 102758107 A CN102758107 A CN 102758107A CN 2012101897636 A CN2012101897636 A CN 2012101897636A CN 201210189763 A CN201210189763 A CN 201210189763A CN 102758107 A CN102758107 A CN 102758107A
- Authority
- CN
- China
- Prior art keywords
- heat
- aluminum
- aluminum alloy
- wire
- aluminium
- 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
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000004020 conductor Substances 0.000 title description 18
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 62
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 57
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 24
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 21
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 18
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 18
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052742 iron Inorganic materials 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000012535 impurity Substances 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 238000009749 continuous casting Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000002893 slag Substances 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 24
- 239000000956 alloy Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 9
- -1 aluminum rare earth Chemical class 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- ZGUQGPFMMTZGBQ-UHFFFAOYSA-N [Al].[Al].[Zr] Chemical compound [Al].[Al].[Zr] ZGUQGPFMMTZGBQ-UHFFFAOYSA-N 0.000 claims 2
- RFEISCHXNDRNLV-UHFFFAOYSA-N aluminum yttrium Chemical compound [Al].[Y] RFEISCHXNDRNLV-UHFFFAOYSA-N 0.000 claims 2
- 238000007872 degassing Methods 0.000 abstract description 10
- 238000005491 wire drawing Methods 0.000 abstract description 10
- 238000003723 Smelting Methods 0.000 abstract description 9
- 238000010010 raising Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 48
- 229910000737 Duralumin Inorganic materials 0.000 description 21
- 239000007788 liquid Substances 0.000 description 20
- 239000013078 crystal Substances 0.000 description 7
- 230000004083 survival effect Effects 0.000 description 7
- 239000011651 chromium Substances 0.000 description 6
- 239000011572 manganese Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 238000005303 weighing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000007669 thermal treatment Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- PSNPEOOEWZZFPJ-UHFFFAOYSA-N alumane;yttrium Chemical compound [AlH3].[Y] PSNPEOOEWZZFPJ-UHFFFAOYSA-N 0.000 description 4
- DNXNYEBMOSARMM-UHFFFAOYSA-N alumane;zirconium Chemical compound [AlH3].[Zr] DNXNYEBMOSARMM-UHFFFAOYSA-N 0.000 description 4
- 229910000765 intermetallic Inorganic materials 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910052706 scandium Inorganic materials 0.000 description 3
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 229910000521 B alloy Inorganic materials 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- WLLURKMCNUGIRG-UHFFFAOYSA-N alumane;cerium Chemical compound [AlH3].[Ce] WLLURKMCNUGIRG-UHFFFAOYSA-N 0.000 description 2
- UZQSJWBBQOJUOT-UHFFFAOYSA-N alumane;lanthanum Chemical compound [AlH3].[La] UZQSJWBBQOJUOT-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Conductive Materials (AREA)
Abstract
本发明公开一种高强高导耐热铝合金导线及其制备方法，该导线由下列重量百分比的元素组成:锆Zr为0.15~0.60%，镧La为0.03~0.30%，铈Ce为0.03~0.30%，钇Y为0.01~0.30%，铁Fe为0.05~0.20%，硅Si为0.01~0.10%，其他杂质元素含量≤0.10%，其余为铝。方法为：配制原材料放入熔炼炉中、升温除气熔炼、造渣、除渣、连铸连轧成耐热铝合金杆材、热处理、拉丝机拉制成耐热铝合金单线。本发明耐热铝合金导线的抗拉强度达到160MPa，导电率可达到61%IACS以上，长期运行温度可达到180℃，且经得起280℃下加热1小时考核运行，强度残存率大于90%。The invention discloses a high-strength, high-conductivity, heat-resistant aluminum alloy wire and a preparation method thereof. The wire is composed of the following elements in weight percent: 0.15-0.60% of zirconium Zr, 0.03-0.30% of lanthanum La, and 0.03-0.30% of cerium Ce %, yttrium Y is 0.01~0.30%, iron Fe is 0.05~0.20%, silicon Si is 0.01~0.10%, other impurity elements are ≤0.10%, and the rest is aluminum. The method is as follows: preparing raw materials and putting them into a smelting furnace, raising the temperature for degassing and smelting, making slag, removing slag, continuous casting and rolling to form a heat-resistant aluminum alloy rod, heat treatment, and drawing with a wire drawing machine to form a heat-resistant aluminum alloy single wire. The tensile strength of the heat-resistant aluminum alloy wire of the present invention can reach 160 MPa, the electrical conductivity can reach above 61% IACS, the long-term operating temperature can reach 180°C, and it can withstand the examination and operation of heating at 280°C for 1 hour, and the strength residual rate is greater than 90%. .
Description
Technical field
The invention belongs to aluminium alloy conductor manufacturing technology field, be specially employed HS, high conduction and heat-resistant aluminum alloy wire and method of manufacture thereof on the defeated modified line road of a kind of built on stilts power supply.
Background technology
Along with the high speed development of Chinese national economy, transmitting line develops to high-pressure trend, long distance ionization and high capacity direction.And employed heat-resisting wire on the defeated modified line road of China town and country power supply at present is general by common heat-resisting aluminium alloy single line with common galvanized steel wire is stranded forms.This common heat-resisting wire, general long-time running temperature is no more than 150 ℃, can only improve 1.6 times of current capacities than plain conductor, and the raising capacity is little, and specific conductivity is below 60%IACS, and electric conductivity is low, and line loss is bigger.Operating temperature is constant if want to increase transmitting capacity, must increase transmitting line newly or strengthen sectional area of wire, and these two kinds of measures all can run into the increase investment, and are costly, transforms iron tower and enlarges many puzzlements such as land resources that stringing takies preciousness.And as the common galvanized steel wire of reinforcing element, linear expansivity is big after the preheating, carry electrical capacity to increase after, conductor temperature raises, sag increases, and influences the safe operation of circuit.According to the strategic plan of China's " transferring electricity from the west to the east ", " national network ", construction remote, the large capacity transmission circuit is imperative, also transmission pressure is had higher requirement simultaneously.Like Liu Zhenyun; Ma Liqun, fourth is firm, at " electric wire " (2008; (3): " development and the application of heat resistance aluminium alloy frame hollow wire " 25 ~ 27) delivered, mentioned the problem that the urgent need of development and the existence of heat-resisting aluminum-alloy overhead lead will solve 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 processed by 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 by weighing by prescription that raw material is put into frequency smelting stove, intensification degasification melting, slagging-off is left standstill, continuous casting and rolling becomes aluminium alloy rod, drawing wire machine is drawn into the duraluminum single line, timeliness thermal treatment; It is characterized in that: under temperature 780-800 ℃ common melting condition: lanthanum La, cerium Ce, scandium Sc are when adding; Adopt lanthanum-aluminium, cerium-aluminium, the scandium-aluminium intermediate alloy of customization; The content of lanthanum is 19.51% in lanthanum-aluminium intermediate alloy; The content of cerium is 20.01% in cerium-aluminium intermediate alloy, and the content of scandium is 20.11% in scandium-aluminium intermediate alloy; Described timeliness thermal treatment temp is that 200-240 ℃, time are 3-5h; When being drawn into the duraluminum single line on the said drawing wire machine, the sight-feed lubricator temperature is not higher than 90 ℃." this invention aluminium alloy conductor tensile strength reaches more than the 255Mpa, electric conductivity can reach more than the 60.0%IACS, and the resistance toheat long-time running reaches more than 180 ℃.The shortcoming of this invention technology is: the price of adding element S c is too expensive, is difficult in the industry and uses on a large scale.
Find also in the retrieval that publication number is the Chinese invention patent of 101740157A, this invention provide " a kind of aluminium alloy conductor and method of manufacture thereof, the weight percent of each composition consists of in the aluminium alloy conductor: aluminium 99.2%-99.6%; Zirconium 0.03%-0.5%; Yttrium 0.01%-0.1%; Other 0.2%-0.3%.This aluminium alloy conductor is smelted into aluminum alloy melt together by zirconium and the yttrium that aluminium ingot fusing back adds trace, forms through step manufacturings such as casting and crystallization, rolling, wire drawings again.The content that the present invention adds element through the foreign matter content and the alloying of strict control aluminium ingot; And through adding the boron alloy crystal grain thinning; The assurance crystalline state is good, can topple over totally through the kettle furnace assurance aluminium liquid that adopts the robotization temperature control, makes produced aluminium alloy conductor have high conductivity and thermotolerance; Satisfied the performance requriements of industry, be particularly suited for being made into the high conductivity heat-resisting cable aluminium alloy conductor." shortcoming of this invention technology is: the zirconium that adds in boron alloy and the aluminium alloy conductor reacts, and does not only have due grain refining effect, and has reduced the thermotolerance of alloy.
Present domestic aluminium conductor generally can't be brought up to electric conductivity more than the 61%IACS under maintenance HS and stable on heating situation.
Summary of the invention
The present invention provides a kind of high-strength highly-conductive heat-resistant aluminum alloy wire and preparation method thereof in order to solve deficiency of the prior art.The tensile strength of this heat-resistant aluminum alloy wire reaches 160MPa, and electric conductivity can reach more than the 61%IACS, and the long-time running temperature can reach 180 ℃, and stands 280 ℃ of heating examination operations in 1 hour down, and the 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:
High-strength highly-conductive heat-resistant aluminum alloy wire of the present invention, this lead is elementary composition by following weight percent: 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 contents≤0.10%, all the other are aluminium.
Further, preferred elementary composition by following weight percent of this lead of the present invention: zirconium Zr is 0.15 ~ 0.60%, and 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.
Said impurity element generally comprise titanium Ti, vanadium V, manganese Mn, chromium Cr etc. one or several.
Zirconium is separated out Al in the composition of aluminium alloy conductor of the present invention in heat treatment process
3The Zr intermetallic compound has strengthened the intensity and the thermotolerance of duraluminum effectively, and REE is mainly used in purification crystal grain, improves the electric conductivity of material, and yttrium is used to improve the electric conductivity of duraluminum.The zirconium that is added among the present invention, rare earth and yittrium alloy price are all relatively more cheap, are adapted at large-scale application in the industry.In addition, do not interact between the element that is added in the lead composition of the present invention and react, multiple element synergy through regulating aluminium zirconium, rare earth and aluminium yttrium master alloy content, makes the thermotolerance and all obviously raisings of electric conductivity of duraluminum.
The preparation method of high-strength highly-conductive heat-resistant aluminum alloy wire of the present invention, this method flow: the preparation starting material are put into smelting furnace, intensification degasification melting, slag making, slagging-off, continuous casting and rolling and are become heat-resisting aluminium alloy pole stock, thermal treatment, drawing wire machine to be drawn into the heat-resisting aluminium alloy single line.
The above-mentioned preparation method of the present invention is made up of following steps:
The first, purity is greater than or equal to 99.7% aluminium ingot and is placed on melt in furnace, temperature of aluminum liquid is 720 ~ 750 ℃;
The second, in molten aluminium, add aluminium zirconium, aluminium rare earth and aluminium yttrium master alloy, the composition of zirconium is 5% in the aluminium zirconium hardener, and aluminium rare earth intermediate alloy middle-weight rare earths composition is 10%, and the yttrium composition is 11% in the aluminium yttrium master alloy, makes alloying constituent reach preset composition;
The 3rd, fully stirring, refining degasification, slagging-off are left standstill, and get into continuous casting and rolling production line at 750 ℃ ~ 800 ℃, cast the duraluminum cast bar;
The 4th, with the hot rolling on milling train of duraluminum cast bar, advancing to roll temperature is 500 ~ 530 ℃, produces the heat-resisting aluminium alloy pole stock through the aluminium continuous casting and rolling production line.
The 5th, the duraluminum pole stock to be heat-treated, thermal treatment temp is 380 ~ 500 ℃, the time is 30 ~ 50 hours.To pass through heat treated duraluminum pole stock, carry out wire drawing, twisted wire produces the high-strength highly-conductive heat-resistant aluminum alloy wire.
Before wire drawing, the duraluminum pole stock is heat-treated among the preparation method of the present invention, help the zirconium of solid solution in aluminium and separate out formation Al
3The Zr intermetallic compound, very stable under the use temperature of lead, but pinning crystal boundary and dislocation hinder moving of crystal boundary and dislocation, improve the tensile strength and the thermotolerance of aluminium conductor.With the zirconium of solid solution in aluminium the electric conductivity damaging effect of duraluminum is compared Al
3The Zr intermetallic compound is faint to the electric conductivity influence of duraluminum, so thermal treatment has also improved 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 HS, high conductivity and high heat resistance simultaneously; Operation line loss energy consumption is low, and the tensile strength of alumite lead is greater than 160MPa, and electric conductivity is greater than 61%IACS; The heating of 280 ℃ of short-term heat resistances after 1 hour single-step intensity survival rate be higher than 90%; Can be 180 ℃ of following long-time running, current capacity obviously improves, and effectively increases the lead ability to transmit electricity.Aluminium alloy conductor provided by the present invention and existing electric conductivity are that 60% heat resistant aluminum alloy wire is compared; Under the situation that has kept HS and high heat resistance; The electric conductivity of lead is brought up to more than the 61%IACS, obviously reduced the line loss energy consumption, help energy-saving and emission-reduction.
2, zirconium is separated out Al in the composition of aluminium alloy conductor of the present invention in heat treatment process
3Zr intermetallic compound, but anchoring dislocation and crystal boundary hinder moving of dislocation and crystal boundary; The intensity and the thermotolerance of duraluminum have been strengthened effectively; REE is mainly used in purification crystal grain, improves the electric conductivity of material, and yttrium is used to improve the electric conductivity of duraluminum; Through regulating aluminium zirconium, ferro-aluminum and aluminium yttrium master alloy content, make the duraluminum electric conductivity greater than 61%.
When 3, the heat-resisting wire of use manufacturing of the present invention carries out electric network reconstruction, need not strengthen shaft tower intensity and height, need not transform Infrastructure, can reduce the track remodelling expense significantly.
Embodiment
Below in conjunction with embodiment technical scheme of the present invention is done further to explain, but following content is not used in qualification protection scope of the present invention.
Embodiment 1
This lead is elementary composition by following weight percent: zirconium Zr0.15%, and lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.30%, iron Fe are 0.05 ~ 0.20%, silicon Si is 0.01 ~ 0.10%, other impurity contents≤0.10%, all the other are aluminium.Iron, silicon prepare in the process and need not add especially, but just are present in the aluminium originally, and other embodiment together.
Select the Al99.7% commercial-purity aluminium to place smelting furnace to be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 ℃, by prescription zirconium Zr0.15%, lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.30% takes by weighing master alloy respectively and puts into aluminium liquid; Treat to put into the degasifier degasification after the master alloy fusing, and use graphite rod slowly fully to stir; The degasification slagging-off obtains duraluminum liquid, lets duraluminum liquid get into aluminium bar continuous casting and tandem rolling mechanism at 750 ℃ and carries out strand, and the strand temperature is 500 ~ 530 ℃, obtains the aluminium bar of Φ 10mm; In heat treatment furnace, heat-treat, temperature is 380 ℃, and the time is 50h; Cooling back wire drawing on the aluminum alloy drawing machine, getting diameter through 12 road wire drawings is Φ 4mm aluminum steel; Be twisted into the high-strength highly-conductive heat-resistant aluminum alloy wire.Through its intensity of test 165MPa, electric conductivity is 61.4%, and 1 hour intensity survival rate of 280 ℃ of heating of short-term is 94.3%.
Embodiment 2
This lead is elementary composition by following weight percent: Zr0.18%, and lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.25%, iron Fe are 0.05 ~ 0.20%, silicon Si is 0.01 ~ 0.10%, other impurity contents≤0.10%, all the other are aluminium.
Select the Al99.7% commercial-purity aluminium to place smelting furnace to be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 ℃, by prescription zirconium Zr0.18%, lanthanum La0.03%, cerium Ce0.03%, yttrium Y0.25% takes by weighing master alloy respectively and puts into aluminium liquid; Other implementation conditions are identical with embodiment 1, and through its intensity of test 173MPa, electric conductivity is 61.8%, and 1 hour intensity survival rate of 280 ℃ of heating of short-term is 95.2%.
Embodiment 3
This lead is elementary composition by following weight percent: Zr0.18%, and zirconium Zr0.60%, lanthanum La0.30%, cerium Ce0.30%, yttrium Y0.01%, iron Fe are 0.05 ~ 0.20%, silicon Si is 0.01 ~ 0.10%, other impurity contents≤0.10%, all the other are aluminium.
Select the Al99.7% commercial-purity aluminium to place smelting furnace to be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 ℃, by prescription zirconium Zr0.60%, lanthanum La0.30%, cerium Ce0.30%, yttrium Y0.01% takes by weighing master alloy respectively and puts into molten aluminium; Treat to put into the degasifier degasification after the master alloy fusing, and use graphite rod slowly fully to stir; The degasification slagging-off obtains duraluminum liquid, lets duraluminum liquid get into aluminium bar continuous casting and tandem rolling mechanism at 800 ℃ and carries out strand, and the strand temperature is 510 ~ 530 ℃, obtains the aluminium bar of Φ 10mm; In heat treatment furnace, heat-treat, temperature is 500 ℃, and the time is 30h; Cooling back wire drawing on the aluminum alloy drawing machine, getting diameter through 12 road wire drawings is Φ 4mm aluminum steel; Be twisted into the high-strength highly-conductive heat-resistant aluminum alloy wire.Through its intensity of test 175MPa, electric conductivity is 61.1%, and 1 hour intensity survival rate of 280 ℃ of heating of short-term is 94.1%.
Embodiment 4
This lead is elementary composition by following weight percent: zirconium Zr0.60%, and lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.01%, iron Fe are 0.05 ~ 0.20%, silicon Si is 0.01 ~ 0.10%, other impurity contents≤0.10%, all the other are aluminium.
Select the Al99.7% commercial-purity aluminium to place smelting furnace to be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 ℃, by prescription zirconium Zr0.60%, lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.01% takes by weighing master alloy respectively and puts into molten aluminium; Other implementation conditions are identical with embodiment 3.
Through its intensity of test 189MPa, electric conductivity is 61.3%, and 1 hour intensity survival rate of 280 ℃ of heating of short-term is 95.6%.
Embodiment 5
This lead is elementary composition by following weight percent: zirconium Zr0.20%, and lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.25%, iron Fe are 0.05 ~ 0.20%, silicon Si is 0.01 ~ 0.10%, other impurity contents≤0.10%, all the other are aluminium.
Select the Al99.7% commercial-purity aluminium to place smelting furnace to be fused into aluminium liquid, aluminium liquid is warming up to 720 ~ 730 ℃, by prescription zirconium Zr0.20%, lanthanum La0.20%, cerium Ce0.20%, yttrium Y0.25% takes by weighing master alloy respectively and puts into molten aluminium; Treat to put into the degasifier degasification after the master alloy fusing, and use graphite rod slowly fully to stir; The degasification slagging-off obtains duraluminum liquid, lets duraluminum liquid get into aluminium bar continuous casting and tandem rolling mechanism at 760 ℃ and carries out strand, and the strand temperature is 500 ~ 530 ℃, obtains the aluminium bar of Φ 10mm; In heat treatment furnace, heat-treat, temperature is 400 ℃, and the time is 40h; Cooling back wire drawing on the aluminum alloy drawing machine, getting diameter through 12 road wire drawings is Φ 4mm aluminum steel; Be twisted into the high-strength highly-conductive heat-resistant aluminum alloy wire.Through its intensity of test 163MPa, electric conductivity is 61.3%, and 1 hour intensity survival rate of 280 ℃ of heating of short-term is 91.8%.
Below only be 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 the various modifications that those skilled in the art makes still belong to scope of the present invention under the spirit and scope situation of the claim that does not break away from the application.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189763.6A CN102758107B (en) | 2012-06-11 | 2012-06-11 | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189763.6A CN102758107B (en) | 2012-06-11 | 2012-06-11 | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102758107A true CN102758107A (en) | 2012-10-31 |
| CN102758107B CN102758107B (en) | 2015-01-21 |
Family
ID=47052754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210189763.6A Active CN102758107B (en) | 2012-06-11 | 2012-06-11 | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102758107B (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264006A (en) * | 2014-09-28 | 2015-01-07 | 国网河南省电力公司周口供电公司 | Low-resistance aluminium-alloy conductor and preparation method thereof |
| CN104498747A (en) * | 2014-12-25 | 2015-04-08 | 云南铝业股份有限公司 | Preparation method of Al-Zr-RE alloy round aluminum rod |
| CN106887266A (en) * | 2017-02-27 | 2017-06-23 | 广东新亚光电缆实业有限公司 | A kind of high strength heat resistant alloy wire and its manufacture method |
| CN106893899A (en) * | 2017-03-27 | 2017-06-27 | 河北欣意电缆有限公司 | A kind of built on stilts heat resistant aluminum alloy conductor material and preparation method thereof |
| CN107338373A (en) * | 2017-07-25 | 2017-11-10 | 合肥华盖光伏科技有限公司 | A kind of preparation method of alloy in lightweight electric wire |
| CN107338378A (en) * | 2017-07-20 | 2017-11-10 | 合肥安力电力工程有限公司 | A kind of preparation method of aluminium alloy conductor |
| CN108220693A (en) * | 2017-12-28 | 2018-06-29 | 上海交通大学 | A kind of Heat-resistant aluminum alloy of big content of rare earth and preparation method thereof |
| CN108559874A (en) * | 2017-12-28 | 2018-09-21 | 上海交通大学 | A kind of heat-resistant aluminum alloy wire of high-strength highly-conductive and preparation method thereof |
| US10460849B2 (en) | 2016-03-25 | 2019-10-29 | Central South University | Lightweight, high-conductivity, heat-resistant, and iron-containing aluminum wire, and preparation process thereof |
| CN110578074A (en) * | 2019-09-26 | 2019-12-17 | 无锡华能电缆有限公司 | Super heat-resistant aluminum alloy single wire and preparation method thereof |
| CN110735060A (en) * | 2019-11-25 | 2020-01-31 | 兰州理工大学 | A Continuous Orthogonal Rolling Method for Improving Properties of Aluminum Alloys |
| CN113234966A (en) * | 2021-05-08 | 2021-08-10 | 江苏中天科技股份有限公司 | Aluminum alloy material, aluminum alloy wire and preparation method thereof |
| CN114672698A (en) * | 2022-03-01 | 2022-06-28 | 江苏中天科技股份有限公司 | Heat-resistant aluminum alloy single wire and manufacturing method thereof |
Citations (8)
| 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 |
-
2012
- 2012-06-11 CN CN201210189763.6A patent/CN102758107B/en active Active
Patent Citations (8)
| 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 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264006A (en) * | 2014-09-28 | 2015-01-07 | 国网河南省电力公司周口供电公司 | Low-resistance aluminium-alloy conductor and preparation method thereof |
| CN104498747A (en) * | 2014-12-25 | 2015-04-08 | 云南铝业股份有限公司 | Preparation method of Al-Zr-RE alloy round aluminum rod |
| US10460849B2 (en) | 2016-03-25 | 2019-10-29 | Central South University | Lightweight, high-conductivity, heat-resistant, and iron-containing aluminum wire, and preparation process thereof |
| CN106887266A (en) * | 2017-02-27 | 2017-06-23 | 广东新亚光电缆实业有限公司 | A kind of high strength heat resistant alloy wire and its manufacture method |
| CN106893899A (en) * | 2017-03-27 | 2017-06-27 | 河北欣意电缆有限公司 | A kind of built on stilts heat resistant aluminum alloy conductor material and preparation method thereof |
| CN107338378A (en) * | 2017-07-20 | 2017-11-10 | 合肥安力电力工程有限公司 | A kind of preparation method of aluminium alloy conductor |
| CN107338373A (en) * | 2017-07-25 | 2017-11-10 | 合肥华盖光伏科技有限公司 | A kind of preparation method of alloy in lightweight electric wire |
| CN108559874A (en) * | 2017-12-28 | 2018-09-21 | 上海交通大学 | A kind of heat-resistant aluminum alloy wire of high-strength highly-conductive and preparation method thereof |
| CN108220693A (en) * | 2017-12-28 | 2018-06-29 | 上海交通大学 | A kind of Heat-resistant aluminum alloy of big content of rare earth and preparation method thereof |
| CN108559874B (en) * | 2017-12-28 | 2020-06-30 | 上海交通大学 | High-strength high-conductivity heat-resistant aluminum alloy conductor and preparation method thereof |
| CN110578074A (en) * | 2019-09-26 | 2019-12-17 | 无锡华能电缆有限公司 | Super heat-resistant aluminum alloy single wire and preparation method thereof |
| CN110735060A (en) * | 2019-11-25 | 2020-01-31 | 兰州理工大学 | A Continuous Orthogonal Rolling Method for Improving Properties of Aluminum Alloys |
| CN113234966A (en) * | 2021-05-08 | 2021-08-10 | 江苏中天科技股份有限公司 | Aluminum alloy material, aluminum alloy wire and preparation method thereof |
| WO2022237073A1 (en) * | 2021-05-08 | 2022-11-17 | 上海中天铝线有限公司 | Aluminum alloy material, and aluminum alloy wire and preparation method therefor |
| EP4321644A4 (en) * | 2021-05-08 | 2025-02-19 | Shanghai Zhongtian Aluminum Wire Co Ltd | ALUMINUM ALLOY MATERIAL AND ALUMINUM ALLOY WIRE AND MANUFACTURING METHOD THEREOF |
| CN114672698A (en) * | 2022-03-01 | 2022-06-28 | 江苏中天科技股份有限公司 | Heat-resistant aluminum alloy single wire and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102758107B (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102758107B (en) | Heat-resistant aluminum alloy conductor with high strength and high conductivity and preparation method thereof | |
| CN105063433B (en) | A kind of high-conductivity heat-resistant aluminum alloy monofilament and preparation method thereof | |
| CN102134668B (en) | High-strength high-conductivity heat-resistant aluminum alloy wire and preparation method thereof | |
| CN104028961B (en) | A kind of middle strength aluminium alloy line and its production technology | |
| CN101423908B (en) | High conductivity, high intensity and heat resisting aluminum alloy conducting wire and method for producing the same and conducting wire | |
| CN102703770B (en) | Aluminum iron copper magnesium rare earth alloy material for electric wire and cable and preparation method thereof | |
| CN108559874B (en) | High-strength high-conductivity heat-resistant aluminum alloy conductor and preparation method thereof | |
| CN102851527B (en) | A copper-silver-magnesium alloy contact wire and its preparation method | |
| CN104975211B (en) | Strength aluminum alloy conductive monofilament in a kind of high conductivity heat treatment type | |
| CN106057273A (en) | High strength heat resistant aluminum alloy wire | |
| CN104894438B (en) | A kind of high conductivity heat-resisting aluminium alloy monofilament material and preparation method thereof | |
| CN109022896A (en) | Heat-resisting Cu-Fe-Y-Mg alloy material of a kind of high-strength highly-conductive with electromagnetic wave shielding performance and preparation method thereof | |
| CN106119612A (en) | Strength aluminium alloy material and preparation method thereof in one | |
| CN106893899A (en) | A kind of built on stilts heat resistant aluminum alloy conductor material and preparation method thereof | |
| CN104946936A (en) | High-conductivity rare earth duralumin monofilament material for overhead conductors | |
| CN101914708A (en) | Al-Fe-Cu alloy material and preparation method thereof | |
| CN101770828A (en) | High-conductivity non-heat treatment type rare-earth thermal-resistant aluminium alloy conductor material | |
| CN105671372B (en) | A kind of duralumin conductor material of 63%IACS and preparation method thereof | |
| CN107400796B (en) | A kind of high-temperature-resistant high is without beryllium copper conducting wire and preparation method thereof | |
| CN107358994A (en) | Extra High Strength steel core high strength heat resistant alloy wire used for intelligent electric network and preparation method thereof | |
| CN104911408A (en) | Hard aluminum conductor filament and preparation method thereof | |
| CN106636987A (en) | Cable core capable of resisting mechanical damage in severe cold environment and preparation method thereof | |
| CN106929712B (en) | The alloy round aluminum rod and its production method of intensity in a kind of low resistance | |
| CN104561674A (en) | Heat-resistant aluminum alloy conductor material with electric conductivity of 62 percent and preparation method for heat-resistant aluminum alloy conductor material | |
| CN104124006A (en) | Preparation method of single-stranded conductor cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |