CN103695698A - Copper alloy contact line for electrified railways and preparation method of copper alloy contact line - Google Patents
Copper alloy contact line for electrified railways and preparation method of copper alloy contact line Download PDFInfo
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Abstract
The invention discloses a copper alloy contact line for electrified railways and a preparation method of the copper alloy contact line. The copper alloy contact line is prepared from the following chemical components according to mass percentage: 0.08-0.14 percent of Ag, 0.1-0.3 percent of Sn, 0.4-0.6 percent of Mg, 0.3-0.5 percent of Cr, 0.4-0.8 percent of Mn, 1.5-2.5 percent of Al, 0.05-0.15 percent of Zr, 0.02-0.04 percent of Nb, 0.6-1.2 percent of Ni, 0.03-0.06 percent of Bi, 0.5-1.0 percent of Cd, 0.35-0.45 percent of Ge, 0.015-0.025 percent of Ce, 0.01-0.02 percent of Yb, less than or equal to 0.03 percent of P, less than or equal to 0.02 percent of S, and the balance of copper. The copper alloy contact line is excellent in comprehensive performances, high in mechanical strength, and excellent in performances of electric conductivity, thermal resistance, wear resistance, corrosion resistance and processability, completely meets the performance requirements of the copper alloy contact line of domestic electrified railways. The copper alloy contact line is simple and feasible in process and relatively low in production cost, is suitable for large-scale industrial production, and has a huge economic benefit.
Description
Technical field
The present invention relates to copper alloy contact wire and preparation method thereof for a kind of electric railway, belong to copper alloy manufacturing technology field.
Background technology
Osculatory is a kind of bare wire of transferring electric power, by it, with direct contact of pantograph, electric energy is transferred to power receiving equipment from traction substation, is the main element of electrification railway contact net.Along with science and technology and socioeconomic develop rapidly, electric railway, to high speed, heavily loaded future development, is had higher requirement to the performance of osculatory.Therefore keeping, under the prerequisite of copper alloy contact wire high conductivity, improving its intensity and processing characteristics, become the general trend of osculatory development.
Summary of the invention
The object of this invention is to provide that a kind of electric conductivity is high, copper alloy contact wire and preparation method thereof for electric railway of mechanical property and processing characteristics excellence.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of electric railway copper alloy contact wire, its chemical composition by following mass percent forms: Ag 0.08-0.14, Sn 0.1-0.3, Mg 0.4-0.6, Cr 0.3-0.5, Mn 0.4-0.8, Al 1.5-2.5, Zr 0.05-0.15, Nb 0.02-0.04, Ni 0.6-1.2, Bi 0.03-0.06, Cd 0.5-1.0, Ge 0.35-0.45, Ce 0.015-0.025, Yb 0.01-0.02, P≤0.03, S≤0.02, surplus is copper.
A preparation method for copper alloy contact wire for electric railway, comprises the following steps:
(1) by above-mentioned chemical composition requirement, prepare burden, the furnace charge preparing is added in medium-frequency induction furnace, smelting temperature is 1160-1220 ℃, after furnace charge all dissolves, sampling analysis adjusting component after melt temperature is stable, then adjust temperature to 1180-1240 ℃, logical high-purity Ar gas refining 5-10min in copper alloy liquid, after logical argon gas refining, skim, standing 15-20min can cast;
(2) copper alloy liquid is proceeded to continuous casting holding furnace, carry out subsequently horizontal continuous-casting throwing, casting speed is 4-6mm/s, and casting temp is 1150-1200 ℃, and casting speed is 700-800rpm, and cooling water pressure is 0. 2-0.3Mpa, obtains excellent base;
(3) the excellent base obtaining is warming up to 320-360 ℃ with 150-200 ℃/h, insulation 4-6h, with 100-150 ℃/h, be warming up to 580-620 ℃ again, insulation 3-5h, then with 80-120 ℃/h, be cooled to 330-360 ℃, insulation 5-8h, with 140-180 ℃/h intensification 750-780 ℃, insulation 2-3h, is then cooled to 460-500 ℃ with 100-150 ℃/h again, insulation 3-5h, with 180-240 ℃/h, be warming up to 910-940 ℃ again, insulation 1-2h, is then cooled to 480-520 ℃ with 150-200 ℃/h, insulation 3-4h, is placed in 0-3 ℃ of icy salt solution and is cooled to below 50 ℃;
(4) the excellent base of above-mentioned solution treatment is carried out to hot rolling, hot rolling general working rate is 50-70%, and hot-rolled temperature is 820-850 ℃;
(5) the excellent base after hot rolling is warming up to 240-280 ℃ with 100-150 ℃/h, insulation 3-5h, then be warming up to 500-550 ℃ with 120-160 ℃/h, insulation 1-2h, then with 80-120 ℃/h, be cooled to 280-320 ℃, insulation 3-4h, then be cooled to 150-170 ℃ with 50-80 ℃/h, insulation 5-10h, then with 140-180 ℃/h, be warming up to 460-490 ℃, insulation 2-3h, then be cooled to 160-190 ℃ with 150-200 ℃/h, insulation 5-10h, air cooling is to room temperature;
(6) the excellent base of above-mentioned ageing treatment is carried out cold rolling, cold rolling general working rate is 60-80%, obtains round bar base;
(7) according to required osculatory sectional dimension, the above-mentioned round bar base making is carried out to the pass drawing of 4-6 passage, obtain setting the copper alloy contact wire of diameter.
Beneficial effect of the present invention:
The copper alloy contact wire excellent combination property that the present invention makes, not only has excellent conductivity, also has very high tensile strength, has good thermotolerance, wear resistance, erosion resistance and processing characteristics simultaneously; Its tensile strength >=580MPa, electric conductivity >=88%IACS, elongation >=15%, softening temperature >=505 ℃, meet the performance requriements of China's electric railway copper alloy contact wire completely, and simple for process, cost is lower, is applicable to large-scale industrialization and produces, and has huge economic benefit.
Embodiment
A preparation method for copper alloy contact wire for electric railway, comprises the following steps:
(1) according to chemical composition meet following mass percent: Ag 0.08-0.14, Sn 0.1-0.3, Mg 0.4-0.6, Cr 0.3-0.5, Mn 0.4-0.8, Al 1.5-2.5, Zr 0.05-0.15, Nb 0.02-0.04, Ni 0.6-1.2, Bi 0.03-0.06, Cd 0.5-1.0, Ge 0.35-0.45, Ce 0.015-0.025, Yb 0.01-0.02, P≤0.03, S≤0.02, surplus is that copper is prepared burden, the furnace charge preparing is added in medium-frequency induction furnace, smelting temperature is 1180 ℃, after furnace charge all dissolves, sampling analysis adjusting component after melt temperature is stable, then adjust temperature to 1220 ℃, logical high-purity Ar gas refining 10min in copper alloy liquid, after logical argon gas refining, skim, standing 20min can cast,
(2) copper alloy liquid is proceeded to continuous casting holding furnace, carry out subsequently horizontal continuous-casting throwing, casting speed is 5mm/s, and casting temp is 1160 ℃, and casting speed is 750rpm, and cooling water pressure is 0.2Mpa, obtains excellent base;
(3) the excellent base obtaining is warming up to 340 ℃ with 180 ℃/h, insulation 5h, then be warming up to 610 ℃ with 120 ℃/h, insulation 4h, is then cooled to 350 ℃ with 100 ℃/h, insulation 6h, with 160 ℃/h, heat up 760 ℃, insulation 2h, is then cooled to 480 ℃ with 120 ℃/h again, insulation 4h, with 220 ℃/h, be warming up to 920 ℃ again, insulation 1h, is then cooled to 48 ℃ with 180 ℃/h, insulation 4h, is placed in 1 ℃ of icy salt solution and is cooled to below 50 ℃;
(4) the excellent base of above-mentioned solution treatment is carried out to hot rolling, hot rolling general working rate is 60%, and hot-rolled temperature is 830 ℃;
(5) the excellent base after hot rolling is warming up to 250 ℃ with 120 ℃/h, insulation 4h, then be warming up to 520 ℃ with 140 ℃/h, insulation 1h, then with 100 ℃/h, be cooled to 300 ℃, insulation 3h, then be cooled to 160 ℃ with 70 ℃/h, insulation 8h, then with 160 ℃/h, be warming up to 480 ℃, insulation 2h, then be cooled to 170 ℃ with 180 ℃/h, insulation 8h, air cooling is to room temperature;
(6) the excellent base of above-mentioned ageing treatment is carried out cold rolling, cold rolling general working rate is 70%, obtains round bar base;
(7) according to required osculatory sectional dimension, the above-mentioned round bar base making is carried out to the pass drawing of 5 passages, obtain setting the copper alloy contact wire of diameter.
The copper alloy contact wire making is through check, and its salient features is: tensile strength 626Mpa, electric conductivity 94%IACS, elongation 18%, 520 ℃ of softening temperatures.
Claims (2)
1. an electric railway copper alloy contact wire, it is characterized in that, its chemical composition by following mass percent forms: Ag 0.08-0.14, Sn 0.1-0.3, Mg 0.4-0.6, Cr 0.3-0.5, Mn 0.4-0.8, Al 1.5-2.5, Zr 0.05-0.15, Nb 0.02-0.04, Ni 0.6-1.2, Bi 0.03-0.06, Cd 0.5-1.0, Ge 0.35-0.45, Ce 0.015-0.025, Yb 0.01-0.02, P≤0.03, S≤0.02, surplus is copper.
2. the preparation method of copper alloy contact wire for electric railway according to claim 1, is characterized in that comprising the following steps:
By above-mentioned chemical composition requirement, prepare burden, the furnace charge preparing is added in medium-frequency induction furnace, smelting temperature is 1160-1220 ℃, after furnace charge all dissolves, sampling analysis adjusting component after melt temperature is stable, then adjust temperature to 1180-1240 ℃, logical high-purity Ar gas refining 5-10min in copper alloy liquid, after logical argon gas refining, skim, standing 15-20min can cast;
Copper alloy liquid is proceeded to continuous casting holding furnace, carry out subsequently horizontal continuous-casting throwing, casting speed is 4-6mm/s, and casting temp is 1150-1200 ℃, and casting speed is 700-800rpm, and cooling water pressure is 0. 2-0.3Mpa, obtains excellent base;
The excellent base obtaining is warming up to 320-360 ℃ with 150-200 ℃/h, insulation 4-6h, with 100-150 ℃/h, be warming up to 580-620 ℃ again, insulation 3-5h, then with 80-120 ℃/h, be cooled to 330-360 ℃, insulation 5-8h, with 140-180 ℃/h intensification 750-780 ℃, insulation 2-3h, is then cooled to 460-500 ℃ with 100-150 ℃/h again, insulation 3-5h, with 180-240 ℃/h, be warming up to 910-940 ℃ again, insulation 1-2h, is then cooled to 480-520 ℃ with 150-200 ℃/h, insulation 3-4h, is placed in 0-3 ℃ of icy salt solution and is cooled to below 50 ℃;
The excellent base of above-mentioned solution treatment is carried out to hot rolling, and hot rolling general working rate is 50-70%, and hot-rolled temperature is 820-850 ℃;
Excellent base after hot rolling is warming up to 240-280 ℃ with 100-150 ℃/h, insulation 3-5h, then be warming up to 500-550 ℃ with 120-160 ℃/h, insulation 1-2h, then with 80-120 ℃/h, be cooled to 280-320 ℃, insulation 3-4h, then be cooled to 150-170 ℃ with 50-80 ℃/h, insulation 5-10h, then with 140-180 ℃/h, be warming up to 460-490 ℃, insulation 2-3h, then be cooled to 160-190 ℃ with 150-200 ℃/h, insulation 5-10h, air cooling is to room temperature;
The excellent base of above-mentioned ageing treatment is carried out cold rolling, cold rolling general working rate is 60-80%, obtains round bar base;
According to required osculatory sectional dimension, the above-mentioned round bar base making is carried out to the pass drawing of 4-6 passage, obtain setting the copper alloy contact wire of diameter.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978172A (en) * | 2014-05-29 | 2014-08-13 | 南通天星铸锻有限公司 | Copper alloy casting technology |
| CN104046811A (en) * | 2014-06-05 | 2014-09-17 | 锐展(铜陵)科技有限公司 | Making method of thermal stress resistant copper alloy wire for automobile electrical part |
| CN105908009A (en) * | 2016-06-12 | 2016-08-31 | 常熟明辉焊接器材有限公司 | Electrode material used for welding aluminum alloy plate and preparation method of electrode material |
| CN106001467A (en) * | 2016-07-13 | 2016-10-12 | 江苏藤仓亨通光电有限公司 | Preparing method of ultralow tin-copper tin contact line |
| CN106057268A (en) * | 2015-07-06 | 2016-10-26 | 杭州星冠新材料有限公司 | High-speed electrified railway contact network wire and preparation method thereof |
| CN106555073A (en) * | 2016-11-29 | 2017-04-05 | 河南科技大学 | A kind of high-strength highly-conductive rare earth copper magnesium alloy contact wire and preparation method thereof |
| CN109175908A (en) * | 2018-10-19 | 2019-01-11 | 东北大学 | The preparation method of fastener blank heavy-weight coil non junction high-strength aluminum alloy disk circle |
| CN110144489A (en) * | 2019-07-02 | 2019-08-20 | 河南科技大学 | A kind of high-intensitive, silver-colored highly conductive and high heat-conducting copper is alloy wire and preparation method thereof |
| CN110331313A (en) * | 2019-06-24 | 2019-10-15 | 北京科技大学 | A kind of preparation method of high-strength highly-conductive antifriction copper contact wire |
| CN110634588A (en) * | 2019-11-05 | 2019-12-31 | 郑家法 | Anti-heat-cracking copper alloy conductive material for cable and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005072891A1 (en) * | 2004-01-30 | 2005-08-11 | Sumitomo Metal Industries, Ltd. | Continuous casting method for copper alloy |
| CN1856588A (en) * | 2003-09-19 | 2006-11-01 | 住友金属工业株式会社 | Copper alloy and method for production thereof |
| CN102108459A (en) * | 2009-12-23 | 2011-06-29 | 沈阳兴工铜业有限公司 | High-strength nickel-chromium-silicon-copper alloy material and processing technology thereof |
| CN102560191A (en) * | 2010-12-09 | 2012-07-11 | 北京有色金属研究总院 | High-performance elastic copper alloy and preparation and processing method thereof |
-
2013
- 2013-12-26 CN CN201310729191.0A patent/CN103695698A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856588A (en) * | 2003-09-19 | 2006-11-01 | 住友金属工业株式会社 | Copper alloy and method for production thereof |
| WO2005072891A1 (en) * | 2004-01-30 | 2005-08-11 | Sumitomo Metal Industries, Ltd. | Continuous casting method for copper alloy |
| CN102108459A (en) * | 2009-12-23 | 2011-06-29 | 沈阳兴工铜业有限公司 | High-strength nickel-chromium-silicon-copper alloy material and processing technology thereof |
| CN102560191A (en) * | 2010-12-09 | 2012-07-11 | 北京有色金属研究总院 | High-performance elastic copper alloy and preparation and processing method thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978172A (en) * | 2014-05-29 | 2014-08-13 | 南通天星铸锻有限公司 | Copper alloy casting technology |
| CN104046811A (en) * | 2014-06-05 | 2014-09-17 | 锐展(铜陵)科技有限公司 | Making method of thermal stress resistant copper alloy wire for automobile electrical part |
| CN104046811B (en) * | 2014-06-05 | 2016-05-18 | 锐展(铜陵)科技有限公司 | The preparation method of thermal stress resistance copper alloy wire for a kind of auto electric parts |
| CN106057268A (en) * | 2015-07-06 | 2016-10-26 | 杭州星冠新材料有限公司 | High-speed electrified railway contact network wire and preparation method thereof |
| CN105908009A (en) * | 2016-06-12 | 2016-08-31 | 常熟明辉焊接器材有限公司 | Electrode material used for welding aluminum alloy plate and preparation method of electrode material |
| CN106001467A (en) * | 2016-07-13 | 2016-10-12 | 江苏藤仓亨通光电有限公司 | Preparing method of ultralow tin-copper tin contact line |
| CN106555073A (en) * | 2016-11-29 | 2017-04-05 | 河南科技大学 | A kind of high-strength highly-conductive rare earth copper magnesium alloy contact wire and preparation method thereof |
| CN106555073B (en) * | 2016-11-29 | 2018-07-27 | 河南科技大学 | A kind of high-strength highly-conductive rare earth copper magnesium alloy contact wire and preparation method thereof |
| CN109175908A (en) * | 2018-10-19 | 2019-01-11 | 东北大学 | The preparation method of fastener blank heavy-weight coil non junction high-strength aluminum alloy disk circle |
| CN110331313A (en) * | 2019-06-24 | 2019-10-15 | 北京科技大学 | A kind of preparation method of high-strength highly-conductive antifriction copper contact wire |
| CN110144489A (en) * | 2019-07-02 | 2019-08-20 | 河南科技大学 | A kind of high-intensitive, silver-colored highly conductive and high heat-conducting copper is alloy wire and preparation method thereof |
| CN110144489B (en) * | 2019-07-02 | 2020-12-18 | 河南科技大学 | High-strength, high-electric-conductivity and high-heat-conductivity copper-silver alloy wire and preparation method thereof |
| CN110634588A (en) * | 2019-11-05 | 2019-12-31 | 郑家法 | Anti-heat-cracking copper alloy conductive material for cable and preparation method thereof |
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Application publication date: 20140402 |