CN102888542A - Preparation method of copper-aluminum alloy electric conductor - Google Patents
Preparation method of copper-aluminum alloy electric conductor Download PDFInfo
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- CN102888542A CN102888542A CN 201210410809 CN201210410809A CN102888542A CN 102888542 A CN102888542 A CN 102888542A CN 201210410809 CN201210410809 CN 201210410809 CN 201210410809 A CN201210410809 A CN 201210410809A CN 102888542 A CN102888542 A CN 102888542A
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- wire
- wire drawing
- copper
- preparation
- alloy
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- 239000004020 conductor Substances 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 229910000838 Al alloy Inorganic materials 0.000 title abstract description 8
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 title abstract 3
- 238000005491 wire drawing Methods 0.000 claims abstract description 56
- 239000000956 alloy Substances 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052709 silver Inorganic materials 0.000 claims abstract description 6
- 239000004332 silver Substances 0.000 claims abstract description 6
- 239000011777 magnesium Substances 0.000 claims abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims abstract description 4
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 4
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 2
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000007499 fusion processing Methods 0.000 claims description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 claims description 2
- 238000007670 refining Methods 0.000 claims description 2
- 239000011775 sodium fluoride Substances 0.000 claims description 2
- 235000013024 sodium fluoride Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000003723 Smelting Methods 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 13
- 238000005275 alloying Methods 0.000 description 10
- 239000000470 constituent Substances 0.000 description 10
- 239000012535 impurity Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- -1 Copper Silver Magnesium Lanthanum Chemical compound 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Conductive Materials (AREA)
Abstract
The invention relates to a preparation method of a copper-aluminum alloy electric conductor. The copper-aluminum alloy electric conductor is prepared from the following raw materials in percentage by mass: 5.5-10.0% of copper, 0.1-0.5% of silver, 0.20-0.4% of magnesium, 0.1-0.3% of lanthanum and the balance of aluminum. The purities of the components are respectively higher than 99.99%. The preparation method comprises the following steps: smelting the component metals, casting to obtain an alloy bar, carrying out annealing treatment on the bar at 250-350 DEG C for 15-25 hours; after annealing, carrying out wire drawing at 363-420 DEG C in a protective atmosphere, wherein the wire drawing is carried out many times; and carrying out annealing treatment at 350-380 DEG C for 1-2 hours before the last wire drawing, thereby obtaining the electric conductor with the diameter of 1.0-2.0mm, wherein the last wire drawing is carried out at 380-400 DEG C at the rate of 6-10 m/min. The electric conductor has the advantages of high electric conductivity and high mechanical strength.
Description
Technical field
The present invention relates to a kind of X alloy cable conductor material preparation method.
Background technology
Cable conductor is most at present adopts copper conductor, because the copper valency is high, copper conductor accounts for more than 70% of copper cable cost.And larger creep occurs in the use fine aluminium behind long-time running or the current overload, causes contact resistance too large, easily cause accident, and bending property is bad, and is easy to crack or fracture, equally easily accidents caused.
The electric conductivity of now widely used aluminum alloy wire cable is 61%IACS, and resistivity is 2.830 * 10-8, is necessary to develop that a kind of electric conductivity is high, resistivity is low, the aluminium alloy electrical conductor of good mechanical property.
Summary of the invention
The invention provides a kind of X alloy electrical conductor preparation method, the conductivity of the conductor material that provides and mechanical property all are significantly increased and are cheap.
Technical solution problem of the present invention adopts following technical scheme:
X alloy electrical conductor preparation method of the present invention is characterized in that raw material constitutes by mass percentage: copper 5.5-10.0%, silver 0.1-0.5%, magnesium 0.20-0.4%, lanthanum element 0.1-0.3%, surplus is aluminium, and wherein each composition alloy purity is more than 99.99%; Mentioned component Metal Melting, casting are obtained alloy bar material, bar is carried out anneal, annealing temperature is 250-350 ℃, and the time is 15-25h; Wire drawing after the annealing, wherein wire-drawing temperature is 363-420 ℃, wire drawing is carried out under protective atmosphere, through the multi-pass wire drawing; Carry out anneal before last passage wire drawing, annealing temperature 350-380 ℃, the time is 1-2h, and drawing speed is 6-10m/min during last one wire drawing, and wire-drawing temperature is 380-400 ℃, obtains diameter 1.0-2.0mm electrical conductor.
Can add the mixture that refining agent is muriate and fluorochemical in the fusion process, Repone K 15-20% wherein, magnesium chloride 10-15%, sodium-chlor 15-20%, Sodium Fluoride 15-30%, Potassium monofluoride 20-40%, aluminum fluoride is 20-40%, and wherein the summation of various moietys is 100%.
The aluminum bronze silver magnesium-rare earth alloy material of gained of the present invention has following advantage:
1, copper is between 5.5-10.0% among the present invention, and copper can improve the physical strength of electrical conductor, improves tensile strength and improves elongation, the thermostability of resistance when copper can also improve high temperature.
2, silver element is between 0.1-0.5% among the present invention, and silver can improve the physical strength of electrical conductor, improves electric conductivity.
3, magnesium elements is between 0.20-0.4% among the present invention, and magnesium is carried heavy alloyed corrosion resistance nature, and magnesium forms slag, eliminates intercrystalline impurity, thereby improves the intensity of electrical conductor.
4, lanthanum element is 0.1-0.3% among the present invention, and the electric conductivity of electrical conductor is exerted an influence, and is conducive to improve the electric conductivity of aluminium alloy.
Among the preparation method of the present invention, under 380-400 ℃ wire-drawing temperature, the alloy grain that the drawing speed of 6-10m/min forms is better, and impurity is few between crystal boundary, and unit elongation is good, and the circular tolerance of the electrical conductor that wire drawing forms reduces.
Electrical conductor electric conductivity of the present invention be at least 62%IACS and more than, improve at least 1% than the common aluminum alloy electro-conductive material.
Embodiment
Material composition sees Table 1, and being prepared into diameter is the 1.0-2.0mm electrical conductor, and unit is mass percent %.
| Copper | Silver | Magnesium | Lanthanum element | Aluminium | |
| Embodiment 1 | 5.5 | 0.5 | 0.2 | 0.1 | Surplus |
| Embodiment 2 | 6.0 | 0.5 | 0.2 | 0.2 | Surplus |
| Embodiment 3 | 7.0 | 0.4 | 0.3 | 0.2 | Surplus |
| Embodiment 4 | 8.0 | 0.4 | 0.3 | 0.2 | Surplus |
| Embodiment 5 | 9.0 | 0.2 | 0.4 | 0.3 | Surplus |
| Embodiment 6 | 10.0 | 0.1 | 0.4 | 0.3 | Surplus |
| Comparative Examples 1 | 5.0 | 0.5 | 0.2 | 0.2 | Surplus |
| Comparative Examples 2 | 10.5 | 0.1 | 0.1 | 0.2 | Surplus |
Table 1
Embodiment 1:
Alloying constituent by embodiment in the table 11 obtains alloy bar material with mentioned component Metal Melting, casting, and bar is carried out anneal, and annealing temperature is 250-350 ℃, and the time is 15-25h; Wire drawing after the annealing, wherein wire-drawing temperature is 363-420 ℃, wire drawing is carried out under protective atmosphere, through the multi-pass wire drawing; Carry out anneal before last passage wire drawing, annealing temperature 350-380 ℃, the time is 1-2h, and drawing speed is 6m/min during last one wire drawing, and wire-drawing temperature is 380 ℃, and the electrical conductor diameter that wire drawing obtains is 1.0mm.
Embodiment 2:
Press the alloying constituent of embodiment 2 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.0mm, and wherein wire-drawing temperature is 8m/min, and wire-drawing temperature is 390 ℃.
Embodiment 3
Press the alloying constituent of embodiment 3 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.2mm, and wherein wire-drawing temperature is 9m/min, and wire-drawing temperature is 390 ℃.
Embodiment 4
Press the alloying constituent of embodiment 4 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.4mm, and wherein wire-drawing temperature is 9m/min, and wire-drawing temperature is 390 ℃.
Embodiment 5
Press the alloying constituent of embodiment 5 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.6mm, and wherein wire-drawing temperature is 10m/min, and wire-drawing temperature is 390 ℃.
Embodiment 6
Press the alloying constituent of embodiment 6 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 2.0mm, and wherein wire-drawing temperature is 10m/min, and wire-drawing temperature is 400 ℃.
Comparative Examples 1
Press the alloying constituent of Comparative Examples 1 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.0mm, and wherein wire-drawing temperature is 6m/min, and wire-drawing temperature is 380 ℃.
Comparative Examples 2
Press the alloying constituent of Comparative Examples 2 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 2.0mm, and wherein wire-drawing temperature is 10m/min, and wire-drawing temperature is 400 ℃.
Comparative Examples 3
Press the alloying constituent of embodiment 1 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.0mm, and wherein wire-drawing temperature is 4m/min, and wire-drawing temperature is 340 ℃.
Comparative Examples 4
Press the alloying constituent of embodiment 1 in the table 1, the preparation method is identical with embodiment 1.The electrical conductor diameter that wire drawing obtains is 1.0mm, and wherein wire-drawing temperature is 11m/min, and wire-drawing temperature is 420 ℃.
Table 2 is the performance test results of 2.55mm aluminum steel for the diameter of embodiment 1-6, Comparative Examples 1-2 preparation.
Table 2
Table 3 shows the variation of roundness tolerance under different heating and the wire-drawing temperature.
| Roundness tolerance | |
| Embodiment 1 | 5μm |
| Comparative Examples 3 | 21μm |
| Comparative Examples 4 | 18μm |
Table 3
As can be seen from Table 2, the electrical conductor electric conductivity of embodiment 1-6 can both reach 62.0%IACS, and resistivity is less than 2.680 * 10
-8Tension set is not less than 14.0%, and the electrical conductor of preparation has excellent electrical property and mechanical property thus, can be applicable to electric wire and cable conductor.
As can be seen from Table 3, the roundness tolerance among the embodiment 1 is 5 μ m, is far smaller than Comparative Examples 3 and Comparative Examples 4.
Existing common aluminum alloy electrical conductor electric conductivity be 61%IACS, electrical conductor electric conductivity of the present invention be at least 62%IACS and more than.Can learn in the circuit that by calculating because resistance losses can reduce by 2%, energy-saving effect is obvious.The tensile strength of electrical conductor of the present invention is at least 136MPa simultaneously, meets the requirement of national standard fully.Adopt simultaneously electrical conductor preparation method of the present invention, roundness tolerance is little.
Above content is the further description of the present invention being done in conjunction with concrete optimal technical scheme, can not assert that implementation of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (2)
1. an X alloy electrical conductor preparation method is characterized in that raw material constitutes by mass percentage: copper 5.5-10.0%, silver 0.1-0.5%, magnesium 0.20-0.4%, lanthanum element 0.1-0.3%, surplus is aluminium, and wherein the preferred purity of each composition alloy is more than 99.99%; Mentioned component Metal Melting, casting are obtained alloy bar material, bar is carried out anneal, annealing temperature is 250-350 ℃, and the time is 15-25h; Wire drawing after the annealing, wherein wire-drawing temperature is 363-420 ℃, wire drawing is carried out under protective atmosphere, through the multi-pass wire drawing; Carry out anneal before last passage wire drawing, annealing temperature 350-380 ℃, the time is 1-2h, and drawing speed is 6-10m/min during last one wire drawing, and wire-drawing temperature is 380-400 ℃, obtains diameter 1.0-2.0mm electrical conductor.
2. alloy is headed direct for method as claimed in claim 1, it is characterized in that to add described refining agent in the fusion process, comprise Repone K 15-20%, magnesium chloride 10-15%, sodium-chlor 15-20%, Sodium Fluoride 15-30%, Potassium monofluoride 20-40%, aluminum fluoride is 20-40%, and wherein the summation of various moietys is 100%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210410809.2A CN102888542B (en) | 2012-10-25 | 2012-10-25 | A kind of copper-aluminum alloy electric conductor preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210410809.2A CN102888542B (en) | 2012-10-25 | 2012-10-25 | A kind of copper-aluminum alloy electric conductor preparation method |
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| Publication Number | Publication Date |
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| CN102888542A true CN102888542A (en) | 2013-01-23 |
| CN102888542B CN102888542B (en) | 2016-08-17 |
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Cited By (6)
| 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 |
| CN104726749A (en) * | 2015-03-19 | 2015-06-24 | 苏州欢颜电气有限公司 | Aluminum alloy conductor material |
| CN105463275A (en) * | 2015-12-30 | 2016-04-06 | 合肥星辰电线电缆股份有限公司 | High-wear-resistance and high-electric-conductivity rear earth copper-aluminum alloy used for cables |
| CN108014543A (en) * | 2018-01-02 | 2018-05-11 | 关险峰 | A kind of ormolu water process filter wire and preparation method thereof |
| CN108060319A (en) * | 2018-01-11 | 2018-05-22 | 谢石华 | A kind of efficiently pure aluminum alloy ring protects refining agent and its manufacturing method |
| CN108130442A (en) * | 2018-01-11 | 2018-06-08 | 谢石华 | A kind of smokeless aluminium alloy environmental protection refining agent of no sodium and its manufacturing method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1219094C (en) * | 2003-12-30 | 2005-09-14 | 上海交通大学 | High-strength cast heat-resistant aluminum alloy containing rare earth cerium |
| 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 |
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2012
- 2012-10-25 CN CN201210410809.2A patent/CN102888542B/en active Active
Cited By (7)
| 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 |
| CN104726749A (en) * | 2015-03-19 | 2015-06-24 | 苏州欢颜电气有限公司 | Aluminum alloy conductor material |
| CN104726749B (en) * | 2015-03-19 | 2016-10-12 | 苏州欢颜电气有限公司 | A kind of aluminium alloy conductor material |
| CN105463275A (en) * | 2015-12-30 | 2016-04-06 | 合肥星辰电线电缆股份有限公司 | High-wear-resistance and high-electric-conductivity rear earth copper-aluminum alloy used for cables |
| CN108014543A (en) * | 2018-01-02 | 2018-05-11 | 关险峰 | A kind of ormolu water process filter wire and preparation method thereof |
| CN108060319A (en) * | 2018-01-11 | 2018-05-22 | 谢石华 | A kind of efficiently pure aluminum alloy ring protects refining agent and its manufacturing method |
| CN108130442A (en) * | 2018-01-11 | 2018-06-08 | 谢石华 | A kind of smokeless aluminium alloy environmental protection refining agent of no sodium and its manufacturing method |
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| CN102888542B (en) | 2016-08-17 |
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