CN104046842A - Preparation method of high-content nickel-copper alloy wire for electronic instrument of automobile - Google Patents
Preparation method of high-content nickel-copper alloy wire for electronic instrument of automobile Download PDFInfo
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- CN104046842A CN104046842A CN201410245999.6A CN201410245999A CN104046842A CN 104046842 A CN104046842 A CN 104046842A CN 201410245999 A CN201410245999 A CN 201410245999A CN 104046842 A CN104046842 A CN 104046842A
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Abstract
The invention discloses a preparation method of a high-content nickel-copper alloy wire for an electronic instrument of an automobile. The high-content nickel-copper alloy wire comprises the following elements and components in percentage by weight: 4.5-6.5 of Ni, 2.0-2.5 of Zn, 1.2-1.6 of Mg, 0.5-1.0 of Mn, 0.3-0.6 of Ag, 0.25-0.45 of Sn, 0.2-0.3 of Fe, 0.1-0.2 of Cr, 0.05-0.15 of Ta, 0.04-0.07 of Au, 0.03-0.05 of Ga, 0.02-0.03 of In, 0.03-0.04 of Eu, 0.02-0.03 of Tm, 0.005-0.015 of P and the balance of Cu and unavoidable impurities. According to the invention, the content of the Ni element is increased, and meanwhile, a proper amount of Ag, Au, In, Eu, Tm and other elements are also added, so that the mechanical strength of the copper alloy wire can be improved, the electrical conductivity and thermal conductivity of the copper alloy wire can also be improved, and the defects of poor electrical conductivity and thermal conductivity of high-content nickel-copper alloy are avoided; in addition, the preparation method is simple in production process, low in cost, high in efficiency, easy to control, capable of realizing large-scale automatic production and favorable in industrial prospect.
Description
Technical field
The present invention relates to the preparation method of nickelic copper alloy wire for a kind of electronic automobile meter, belong to copper alloy manufacturing technology field.
Background technology
Corronel line, because having good mechanical property, corrosion resisting property and plastic deformation ability, is widely used in electronic automobile meter.Yet in copper alloy, during nickel too high levels, cause the conduction of copper alloy, heat conductivility to reduce city, affect the use properties of copper alloy wire, cannot meet growing modern automobile industry demand.
Summary of the invention
The object of the present invention is to provide the preparation method of nickelic copper alloy wire for a kind of electronic automobile meter, when improving nickel element content, improve heat conduction, the conductivity of copper alloy wire.
The technical solution used in the present invention is as follows:
A preparation method for nickelic copper alloy wire for electronic automobile meter, comprises the following steps:
(1) according to element mass percent, meet following requirement: Ni 4.5-6.5, Zn 2.0-2.5, Mg 1.2-1.6, Mn 0.5-1.0, Ag 0.3-0.6, Sn 0.25-0.45, Fe 0.2-0.3, Cr 0.1-0.2, Ta 0.05-0.15, Au 0.04-0.07, Ga 0.03-0.05, In 0.02-0.03, Eu 0.03-0.04, Tm 0.02-0.03, P 0.005-0.015, surplus is that copper and inevitable impurity are prepared burden, furnace charge is dropped into smelting furnace and at 1180-1240 ℃, carry out melting, after metal all melts, sprinkling insulating covering agent covers, insulation 10-15min, then copper alloy solution is warming up to 1220-1280 ℃, add refining agent to stir refining 20-30min, standing 15-20min after skimming, again copper alloy liquid is carried out to the real-time analysis of stokehold chemistry, analyze after qualified and can cast, pouring temperature is controlled at 1200-1250 ℃,
(2) adopt continuous casting and rolling to become copper alloy bar, the copper alloy bar making be first warming up to 440-480 ℃ with 200-250 ℃/h speed, insulation 4-6h, high wind air cooling to 180-220 ℃ again water-cooled to room temperature; And then be warming up to 320-360 ℃ with 160-180 ℃/h speed, insulation 5-8h, then be warming up to 500-520 ℃ with 120-150 ℃/h speed, insulation 3-5h, then with 180-220 ℃/h speed, be warming up to 880-920 ℃, insulation 1-2h; Then with 140-160 ℃/h speed, be cooled to 610-630 ℃, insulation 2-4h, with 100-120 ℃/h speed, be cooled to 380-420 ℃ again, insulation 4-6h, with 60-80 ℃/h speed, be cooled to 240-260 ℃ again, insulation 5-10h, then be quenched to 145-165 ℃ with 0-5 ℃ of icy salt solution, then with drawing wire machine, copper alloy bar is drawn into copper alloy single line;
(3) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 100-120 ℃/h speed, be warming up to 220-240 ℃, insulation 3-5h, then with 80-100 ℃/h speed, be warming up to 440-460 ℃, insulation 2-3h; Then with 60-70 ℃/h speed, be cooled to 310-330 ℃, insulation 3-4h, then be cooled to 150-170 ℃ with 75-85 ℃/h speed, and insulation 4-8h, 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: sepiolite 3-5, fluorite 1-2, montmorillonite 2-3, sodium carbonate 3-4, Sodium Silicofluoride 4-6, vanadium diboride 2-2.5, lapis amiridis 1-2, trees ashes 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2; B, sepiolite, fluorite, montmorillonite are mixed to send at 510-540 ℃ and calcine 3-5h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 40-50%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.5 of 10-15%, 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, 1000-1500rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Beneficial effect of the present invention:
The present invention is when improving Ni constituent content, add the elements such as appropriate Ag, Au, In, Eu, Tm, so both can improve the physical strength of copper alloy wire, also electroconductibility and thermal conductivity that can copper alloy wire, avoided the shortcoming of high content nickel copper alloy electroconductibility and poor thermal conductivity, and production technique be simple, cost is low, efficiency is high and easy to control, can realize automatic mass production, has good industrial prospect.
embodiment
A preparation method for nickelic copper alloy wire for electronic automobile meter, comprises the following steps:
(1) according to element mass percent, meet following requirement: Ni 4.5-6.5, Zn 2.0-2.5, Mg 1.2-1.6, Mn 0.5-1.0, Ag 0.3-0.6, Sn 0.25-0.45, Fe 0.2-0.3, Cr 0.1-0.2, Ta 0.05-0.15, Au 0.04-0.07, Ga 0.03-0.05, In 0.02-0.03, Eu 0.03-0.04, Tm 0.02-0.03, P 0.005-0.015, surplus is that copper and inevitable impurity are prepared burden, furnace charge is dropped into smelting furnace and at 1220 ℃, carry out melting, after metal all melts, sprinkling insulating covering agent covers, insulation 15min, then copper alloy solution is warming up to 1260 ℃, add refining agent to stir refining 25min, standing 18min after skimming, again copper alloy liquid is carried out to the real-time analysis of stokehold chemistry, analyze after qualified and can cast, pouring temperature is 1240 ℃,
(2) adopt continuous casting and rolling to become copper alloy bar, the copper alloy bar making be first warming up to 450 ℃ with 220 ℃/h speed, insulation 5h, high wind air cooling to 200 ℃ again water-cooled to room temperature; And then be warming up to 360 ℃ with 180 ℃/h speed, insulation 6h, then be warming up to 510 ℃ with 150 ℃/h speed, insulation 4h, then with 180 ℃/h speed, be warming up to 880 ℃, insulation 2h; Then with 150 ℃/h speed, be cooled to 620 ℃, insulation 3h, then be cooled to 410 ℃ with 120 ℃/h speed, insulation 5h, then with 70 ℃/h speed, be cooled to 250 ℃, insulation 8h, with 2 ℃ of icy salt solutions, be quenched to 150 ℃ again, then with drawing wire machine, copper alloy bar be drawn into copper alloy single line;
(3) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 120 ℃/h speed, be warming up to 240 ℃, insulation 3h, then with 90 ℃/h speed, be warming up to 450 ℃, insulation 3h; Then with 70 ℃/h speed, be cooled to 320 ℃, insulation 3h, then be cooled to 160 ℃ with 80 ℃/h speed, and insulation 6h, air cooling is to room temperature.
Described insulating covering agent is by the raw material of following weight (kg): glass powder 8, Wingdale 12, potassium felspar sand 12, peridotites 6, boron mud 14, volcanic ash 8, coconut husk charcoal 11, nano aluminum nitride 5, through mixing, dry, and pulverize, cross 200 mesh sieves.
The preparation method of described refining agent is as follows: a, get the raw material of following weight (kg): sepiolite 5, fluorite 1.5, montmorillonite 2, sodium carbonate 4, Sodium Silicofluoride 5, vanadium diboride 2-2.5, lapis amiridis 1-2, trees ashes 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2; B, sepiolite, fluorite, montmorillonite are mixed to send at 510-540 ℃ and calcine 3-5h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 40-50%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.5 of 10-15%, 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, 1000-1500rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
The copper alloy wire making is through check, and its salient features is: tensile strength 507Mpa, yield strength is 414Mpa, unit elongation 24%, electric conductivity IACS(20 ℃) 92%.
Claims (3)
1. a preparation method for nickelic copper alloy wire for electronic automobile meter, is characterized in that comprising the following steps:
(1) according to element mass percent, meet following requirement: Ni 4.5-6.5, Zn 2.0-2.5, Mg 1.2-1.6, Mn 0.5-1.0, Ag 0.3-0.6, Sn 0.25-0.45, Fe 0.2-0.3, Cr 0.1-0.2, Ta 0.05-0.15, Au 0.04-0.07, Ga 0.03-0.05, In 0.02-0.03, Eu 0.03-0.04, Tm 0.02-0.03, P 0.005-0.015, surplus is that copper and inevitable impurity are prepared burden, furnace charge is dropped into smelting furnace and at 1180-1240 ℃, carry out melting, after metal all melts, sprinkling insulating covering agent covers, insulation 10-15min, then copper alloy solution is warming up to 1220-1280 ℃, add refining agent to stir refining 20-30min, standing 15-20min after skimming, again copper alloy liquid is carried out to the real-time analysis of stokehold chemistry, analyze after qualified and can cast, pouring temperature is controlled at 1200-1250 ℃,
(2) adopt continuous casting and rolling to become copper alloy bar, the copper alloy bar making be first warming up to 440-480 ℃ with 200-250 ℃/h speed, insulation 4-6h, high wind air cooling to 180-220 ℃ again water-cooled to room temperature; And then be warming up to 320-360 ℃ with 160-180 ℃/h speed, insulation 5-8h, then be warming up to 500-520 ℃ with 120-150 ℃/h speed, insulation 3-5h, then with 180-220 ℃/h speed, be warming up to 880-920 ℃, insulation 1-2h; Then with 140-160 ℃/h speed, be cooled to 610-630 ℃, insulation 2-4h, with 100-120 ℃/h speed, be cooled to 380-420 ℃ again, insulation 4-6h, with 60-80 ℃/h speed, be cooled to 240-260 ℃ again, insulation 5-10h, then be quenched to 145-165 ℃ with 0-5 ℃ of icy salt solution, then with drawing wire machine, copper alloy bar is drawn into copper alloy single line;
(3) copper alloy wire is sent into and in heat treatment furnace, carried out ageing treatment: first with 100-120 ℃/h speed, be warming up to 220-240 ℃, insulation 3-5h, then with 80-100 ℃/h speed, be warming up to 440-460 ℃, insulation 2-3h; Then with 60-70 ℃/h speed, be cooled to 310-330 ℃, insulation 3-4h, then be cooled to 150-170 ℃ with 75-85 ℃/h speed, and insulation 4-8h, air cooling is to room temperature.
2. the preparation method of nickelic copper alloy wire for a kind of electronic automobile meter 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 nickelic copper alloy wire for a kind of electronic automobile meter 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: sepiolite 3-5, fluorite 1-2, montmorillonite 2-3, sodium carbonate 3-4, Sodium Silicofluoride 4-6, vanadium diboride 2-2.5, lapis amiridis 1-2, trees ashes 2-3, nano-silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2; B, sepiolite, fluorite, montmorillonite are mixed to send at 510-540 ℃ and calcine 3-5h, take out and pulverized 200-300 mesh sieve; Add water making beating and make the slurries of 40-50%, then adding concentration is the hydrochloric acid soln adjusting slurries PH=4.5-5.5 of 10-15%, 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, 1000-1500rpm high-speed stirring 5-10min, dry, pulverize, cross 300-400 mesh sieve.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106119596A (en) * | 2016-08-30 | 2016-11-16 | 芜湖楚江合金铜材有限公司 | A kind of high performance copper alloy wire of environmental-friendly lead-free and processing technique thereof |
| CN106282631A (en) * | 2016-10-25 | 2017-01-04 | 嘉善蓝欣涂料有限公司 | A kind of high fluidity copper-nickel alloy refining agent and preparation method thereof |
| CN107794402A (en) * | 2017-10-24 | 2018-03-13 | 上海沃垦节能新材料科技有限公司 | A kind of preparation method of copper alloy with high strength and high conductivity wire rod |
| CN108929968A (en) * | 2018-07-18 | 2018-12-04 | 合肥择浚电气设备有限公司 | A kind of production technology of high conductivity copper alloy wire |
| CN110735062A (en) * | 2019-11-27 | 2020-01-31 | 张燕 | corrosion-resistant tensile copper alloy wire and production process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106119596A (en) * | 2016-08-30 | 2016-11-16 | 芜湖楚江合金铜材有限公司 | A kind of high performance copper alloy wire of environmental-friendly lead-free and processing technique thereof |
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| CN107794402A (en) * | 2017-10-24 | 2018-03-13 | 上海沃垦节能新材料科技有限公司 | A kind of preparation method of copper alloy with high strength and high conductivity wire rod |
| CN108929968A (en) * | 2018-07-18 | 2018-12-04 | 合肥择浚电气设备有限公司 | A kind of production technology of high conductivity copper alloy wire |
| CN110735062A (en) * | 2019-11-27 | 2020-01-31 | 张燕 | corrosion-resistant tensile copper alloy wire and production process thereof |
| CN110735062B (en) * | 2019-11-27 | 2020-10-30 | 深圳市神州线缆有限公司 | Corrosion-resistant tensile copper alloy wire and production process thereof |
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