CN104046809A - Making method of copper alloy wire for electronic equipment of automobiles - Google Patents
Making method of copper alloy wire for electronic equipment of automobiles Download PDFInfo
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- CN104046809A CN104046809A CN201410245699.8A CN201410245699A CN104046809A CN 104046809 A CN104046809 A CN 104046809A CN 201410245699 A CN201410245699 A CN 201410245699A CN 104046809 A CN104046809 A CN 104046809A
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Abstract
The invention discloses a making method of a copper alloy wire for electronic equipment of automobiles. The copper alloy wire comprises 10-15wt% of Al, 3-6wt% of Zn, 2-4wt% of Mg, 0.4-0.8wt% of Cr, 0.3-0.5wt% of Sn, 0.1-0.2wt% of Ni, 0.08-0.16wt% of Mo, 0.06-0.12wt% of Be, 0.04-0.07wt% of Li, 0.025-0.035wt% of Rh, 0.02-0.03wt% of Nd, 0.01-0.02wt% of Er, 0.01-0.015wt% of Fe, 0.005-0.01wt% of P, and the balance Cu and inevitable impurities. The copper alloy wire made in the invention has the advantages of excellent mechanical strength, excellent conductivity, excellent fatigue resistance, creep deformation resistance, high temperature resistance, weldability, durability, no Pb or Cd, and complete environmental protection, and completely meets the performance requirements of the copper alloy wire for the electronic equipment of automobiles.
Description
Technical field
The present invention relates to the preparation method of copper alloy wire for a kind of vehicle electronics, belong to copper alloy manufacturing technology field.
Background technology
along with the performance requriements of vehicle electronics is more and more higher, to the copper alloy wire of its use, require also more and more stricter, because pollution problem plumbous, cadmium produces, copper alloy wire leaded, cadmium can not be used, and because high performance, miniaturization and the high reliability etc. of vehicle electronics require the better thermotolerance of copper alloy wire, electroconductibility, weldability etc., to guarantee that vehicle electronics normally work.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the preparation method of the high vehicle electronics of a kind of complete environmental protection, high temperature resistant, good conductivity, good welding performance, intensity with copper alloy wire is provided.
The technical solution used in the present invention is as follows:
A preparation method for copper alloy wire for vehicle electronics, comprises the following steps:
(1) electrolytic copper is added in high frequency furnace, be heated to 1220-1260 ℃, after electrolytic copper fusing, be warming up to 1280-1320 ℃, add Al, Zn, Mg, the metals such as Cr, simultaneously at copper alloy liquid surface coverage one deck insulating covering agent, insulation 15-20min, then copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Al 10-15, Zn 3-6, Mg 2-4, Cr 0.4-0.8, Sn 0.3-0.5, Ni 0.1-0.2, Mo 0.08-0.16, Be 0.06-0.12, Li 0.04-0.07, Rh 0.025-0.035, Nd 0.02-0.03, Er 0.01-0.02, Fe 0.01-0.015, P 0.005-0.01, surplus is copper and inevitable impurity, after analysis, according to the weight percent of each component in formula, adjust feed supplement,
(2) to dropping into the fusing of Fe-B-Y-Nb-Hf alloy block by the feed intake 0.25-0.35% of weight of copper billet in stove, in alloy block, the mass ratio of Fe, B, Y, Nb, Hf element is 3-4:1-2:0.2-0.3:0.5-1:0.3-0.5, stirs 30-40min; Then temperature adjustment is to 1250-1300 ℃, then adds refining agent refining 25-35min, insulation 15-20min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, drawing wire machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 70-90 ℃/h speed, be warming up to 160-180 ℃, insulation 5-10h, then with 80-100 ℃/h speed, be warming up to 280-320 ℃, insulation 3-6h, with 100-120 ℃/h speed, be warming up to 490-520 ℃ again, insulation 2-3h; Then with 150-180 ℃/h speed, be cooled to 180-220 ℃, insulation 4-8h, then put into 0-2 ℃ of icy salt solution and be cooled to below 50 ℃, take out with 60-80 ℃/h speed intensification 140-160 ℃, insulation 8-12h, air cooling is to room temperature.
Described insulating covering agent is by the raw material of following weight part: glass powder 5-10, Wingdale 10-15, potassium felspar sand 8-12, peridotites 4-8, boron mud 12-16, volcanic ash 5-10, coconut husk charcoal 9-13, nano aluminum nitride 3-6, through mixing, dry, pulverize, cross 150-250 mesh sieve.
The preparation method of described refining agent is as follows: a, get the raw material of following weight part: vermiculite 2-3, kaolin 4-6, carnallitite 3-5, Calcium Fluoride (Fluorspan) 2-3, manganese mud 3-6, potassium fluotitanate 2-4, alum powder 1.5-2.5, cryolite powder 2-3, nano-silicon nitride 1-2, Repone K 3-4, silane resin acceptor kh-550 1-2; B, vermiculite, kaolin, carnallitite are mixed to send at 520-550 ℃ and calcine 2-4h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 45-55%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.0 of 15-20%, 2000-3000rpm speed lapping 20-30min, it is neutral that the sodium hydroxide solution that is 15-20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1500-2000rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Beneficial effect of the present invention:
The copper alloy wire that the present invention makes has excellent physical strength, electroconductibility, resistance to fatigue, creep resistant, high thermal resistance and weldability, durable in use, and not leaded, cadmium harmful metal elements, completely environmental protection, meets the performance requriements of vehicle electronics copper alloy wire completely.
Embodiment
A preparation method for copper alloy wire for vehicle electronics, comprises the following steps:
(1) electrolytic copper is added in high frequency furnace, be heated to 1240 ℃, after electrolytic copper fusing, be warming up to 1300 ℃, add Al, Zn, Mg, the metals such as Cr, simultaneously at copper alloy liquid surface coverage one deck insulating covering agent, insulation 18min, then copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Al 10-15, Zn 3-6, Mg 2-4, Cr 0.4-0.8, Sn 0.3-0.5, Ni 0.1-0.2, Mo 0.08-0.16, Be 0.06-0.12, Li 0.04-0.07, Rh 0.025-0.035, Nd 0.02-0.03, Er 0.01-0.02, Fe 0.01-0.015, P 0.005-0.01, surplus is copper and inevitable impurity, after analysis, according to the weight percent of each component in formula, adjust feed supplement,
(2) to dropping into the fusing of Fe-B-Y-Nb-Hf alloy block by copper billet 0.3% of the weight that feeds intake in stove, in alloy block, the mass ratio of Fe, B, Y, Nb, Hf element is 3:1:0.2:0.6:0.4, stirs 35min; Then temperature adjustment to 1280 ℃, then add refining agent refining 30min, insulation 20min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, drawing wire machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 80 ℃/h speed, be warming up to 170 ℃, insulation 8h, then be warming up to 280 ℃ with 90 ℃/h speed, insulation 6h, then with 110 ℃/h speed, be warming up to 505 ℃, insulation 2.5h; Then with 160 ℃/h speed, be cooled to 210 ℃, insulation 6h, then put into 1 ℃ of icy salt solution and be cooled to below 50 ℃, take out with 70 ℃/h speed and heat up 150 ℃, insulation 10h, air cooling is to room temperature.
Described insulating covering agent is by the raw material of following weight (kg): glass powder 10, Wingdale 10, potassium felspar sand 8, peridotites 6, boron mud 14, volcanic ash 8, coconut husk charcoal 12, nano aluminum nitride 4, through mixing, dry, and pulverize, cross 150 mesh sieves.
The preparation method of described refining agent is as follows: a, get the raw material of following weight (kg): vermiculite 3, kaolin 6, carnallitite 4, Calcium Fluoride (Fluorspan) 2, manganese mud 4, potassium fluotitanate 3, alum powder 2, cryolite powder 2, nano-silicon nitride 1.5, Repone K 3, silane resin acceptor kh-550 1; B, vermiculite, kaolin, carnallitite are mixed to send at 550 ℃ and calcine 2h, take out and pulverized 300 mesh sieves; Add water making beating and make 50% slurries, then add concentration and be 16% hydrochloric acid soln and regulate slurries PH=5.0,2500rpm speed lapping 20min, it is neutral that the sodium hydroxide solution that is 18% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1500rpm high-speed stirring 8min, dry, pulverize, cross 400 mesh sieves.
The copper alloy wire making is through check, and its salient features is: tensile strength 506Mpa, yield strength is 489Mpa, unit elongation 23%, electric conductivity IACS(20 ℃) 91%.
Claims (3)
1. the preparation method of copper alloy wire for vehicle electronics, is characterized in that comprising the following steps:
(1) electrolytic copper is added in high frequency furnace, be heated to 1220-1260 ℃, after electrolytic copper fusing, be warming up to 1280-1320 ℃, add Al, Zn, Mg, the metals such as Cr, simultaneously at copper alloy liquid surface coverage one deck insulating covering agent, insulation 15-20min, then copper alloy liquid is carried out to stokehold chemistry real-time analysis, the weight percent of each elemental composition in copper alloy liquid is met the following requirements: Al 10-15, Zn 3-6, Mg 2-4, Cr 0.4-0.8, Sn 0.3-0.5, Ni 0.1-0.2, Mo 0.08-0.16, Be 0.06-0.12, Li 0.04-0.07, Rh 0.025-0.035, Nd 0.02-0.03, Er 0.01-0.02, Fe 0.01-0.015, P 0.005-0.01, surplus is copper and inevitable impurity, after analysis, according to the weight percent of each component in formula, adjust feed supplement,
(2) to dropping into the fusing of Fe-B-Y-Nb-Hf alloy block by the feed intake 0.25-0.35% of weight of copper billet in stove, in alloy block, the mass ratio of Fe, B, Y, Nb, Hf element is 3-4:1-2:0.2-0.3:0.5-1:0.3-0.5, stirs 30-40min; Then temperature adjustment is to 1250-1300 ℃, then adds refining agent refining 25-35min, insulation 15-20min after slagging-off;
(3) continuous casting and rolling becomes copper alloy bar, drawing wire machine to be drawn into copper alloy single line;
(4) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 70-90 ℃/h speed, be warming up to 160-180 ℃, insulation 5-10h, then with 80-100 ℃/h speed, be warming up to 280-320 ℃, insulation 3-6h, with 100-120 ℃/h speed, be warming up to 490-520 ℃ again, insulation 2-3h; Then with 150-180 ℃/h speed, be cooled to 180-220 ℃, insulation 4-8h, then put into 0-2 ℃ of icy salt solution and be cooled to below 50 ℃, take out with 60-80 ℃/h speed intensification 140-160 ℃, insulation 8-12h, air cooling is to room temperature.
2. the preparation method of copper alloy wire for a kind of vehicle electronics according to claim 1, it is characterized in that, described insulating covering agent is by the raw material of following weight part: glass powder 5-10, Wingdale 10-15, potassium felspar sand 8-12, peridotites 4-8, boron mud 12-16, volcanic ash 5-10, coconut husk charcoal 9-13, nano aluminum nitride 3-6, through mixing, dry, pulverize, cross 150-250 mesh sieve.
3. the preparation method of copper alloy wire for a kind of vehicle electronics according to claim 1, it is characterized in that, the preparation method of described refining agent is as follows: a, get the raw material of following weight part: vermiculite 2-3, kaolin 4-6, carnallitite 3-5, Calcium Fluoride (Fluorspan) 2-3, manganese mud 3-6, potassium fluotitanate 2-4, alum powder 1.5-2.5, cryolite powder 2-3, nano-silicon nitride 1-2, Repone K 3-4, silane resin acceptor kh-550 1-2; B, vermiculite, kaolin, carnallitite are mixed to send at 520-550 ℃ and calcine 2-4h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 45-55%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.0 of 15-20%, 2000-3000rpm speed lapping 20-30min, it is neutral that the sodium hydroxide solution that is 15-20% by concentration regulates lapping liquid pH value, and spraying is dried to obtain powder, then adds all the other raw materials, 1500-2000rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
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| CN201410245699.8A CN104046809A (en) | 2014-06-05 | 2014-06-05 | Making method of copper alloy wire for electronic equipment of automobiles |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332221A (en) * | 2014-11-28 | 2015-02-04 | 彭伟成 | High-strength cable and preparation method thereof |
| CN104992937A (en) * | 2015-05-27 | 2015-10-21 | 安徽捷澳电子有限公司 | Ultra-thin single crystal copper flat silk ribbon and preparation method thereof |
| CN106205763A (en) * | 2016-07-14 | 2016-12-07 | 安徽樵森电气科技股份有限公司 | Corrosion-resistant anticreep copper conductor |
| RU2616742C2 (en) * | 2015-09-29 | 2017-04-18 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Сибирский государственный индустриальный университет" | Durability increase method of copper product operating under creep conditions |
| CN106694603A (en) * | 2017-01-19 | 2017-05-24 | 河北星耀稀有金属材料有限公司 | Preparation method of beryllium bronze alloy wire |
| CN107267793A (en) * | 2017-07-04 | 2017-10-20 | 合肥市大卓电力有限责任公司 | A kind of preparation method of aluminum alloy wire |
| CN107746986A (en) * | 2017-11-01 | 2018-03-02 | 宁波大特锁业有限公司 | A kind of lock core new material and preparation method thereof |
| CN111192704A (en) * | 2019-12-30 | 2020-05-22 | 南通南平电子科技有限公司 | Bending-resistant base-plate-free type capacitor lead |
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| CN103352140A (en) * | 2013-07-01 | 2013-10-16 | 铜陵兴怡金属材料有限公司 | High-strength high-conductivity heatproof copper alloy wire rod and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332221A (en) * | 2014-11-28 | 2015-02-04 | 彭伟成 | High-strength cable and preparation method thereof |
| CN104332221B (en) * | 2014-11-28 | 2016-08-17 | 国家电网公司 | A kind of high-strength cable and preparation method thereof |
| CN104992937A (en) * | 2015-05-27 | 2015-10-21 | 安徽捷澳电子有限公司 | Ultra-thin single crystal copper flat silk ribbon and preparation method thereof |
| RU2616742C2 (en) * | 2015-09-29 | 2017-04-18 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Сибирский государственный индустриальный университет" | Durability increase method of copper product operating under creep conditions |
| CN106205763A (en) * | 2016-07-14 | 2016-12-07 | 安徽樵森电气科技股份有限公司 | Corrosion-resistant anticreep copper conductor |
| CN106205763B (en) * | 2016-07-14 | 2017-07-04 | 安徽樵森电气科技股份有限公司 | Corrosion-resistant anticreep copper conductor |
| CN106694603A (en) * | 2017-01-19 | 2017-05-24 | 河北星耀稀有金属材料有限公司 | Preparation method of beryllium bronze alloy wire |
| CN107267793A (en) * | 2017-07-04 | 2017-10-20 | 合肥市大卓电力有限责任公司 | A kind of preparation method of aluminum alloy wire |
| CN107746986A (en) * | 2017-11-01 | 2018-03-02 | 宁波大特锁业有限公司 | A kind of lock core new material and preparation method thereof |
| CN111192704A (en) * | 2019-12-30 | 2020-05-22 | 南通南平电子科技有限公司 | Bending-resistant base-plate-free type capacitor lead |
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Application publication date: 20140917 |