CN104046810B - A kind of preparation method of vehicle spring element resisting fatigue copper alloy wire - Google Patents
A kind of preparation method of vehicle spring element resisting fatigue copper alloy wire Download PDFInfo
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- CN104046810B CN104046810B CN201410245700.7A CN201410245700A CN104046810B CN 104046810 B CN104046810 B CN 104046810B CN 201410245700 A CN201410245700 A CN 201410245700A CN 104046810 B CN104046810 B CN 104046810B
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Abstract
The preparation method that the invention discloses a kind of vehicle spring element resisting fatigue copper alloy wire, the percentage by weight of its each elemental composition is as follows: Al 2-4, Sn 1.2-2.4, Ni 0.5-1.5, Zn 0.6-0.12, Sb 0.4-0.8, Bi 0.25-0.35, As 0.03-0.06, B 0.015-0.025, Pd 0.01-0.02, Ru 0.005-0.015, Er 0.02-0.03, Tb 0.015-0.025, P 0.005-0.01, and surplus is copper and inevitable impurity.Copper alloy wire fatigue durability of the present invention is good, and life-time service does not rupture, long service life, and has the advantages such as wearability is good, mechanical strength is high, highly anti-fatigue is aging, processing cost is low.
Description
Technical field
The preparation method that the present invention relates to a kind of vehicle spring element resisting fatigue copper alloy wire, belongs to copper alloy manufacturing technology field.
Background technology
Copper alloy is the important materials of national economy, has excellent electric conductivity heat conductivity ductility and corrosion resistance, is widely used in vehicle spring element.But the fatigue resistance of existing copper alloy wire is poor, affect its service life.
Summary of the invention
In order to solve the problem of existing copper alloy wire fatigue resistance difference, the preparation method that the present invention provides a kind of vehicle spring element resisting fatigue copper alloy wire, improves the anti-fatigue performance of copper alloy wire.
The technical solution used in the present invention is as follows:
The preparation method of a kind of vehicle spring element resisting fatigue copper alloy wire, comprises the following steps:
(1) melt at copper billet being added in smelting furnace and is warming up to 1220-1280 DEG C, then heat to 1300-1350 DEG C, add associated alloys food ingredient, stir, after all fusings, homoiothermic adds refining agent refine 20-30min to 1260-1320 DEG C, is incubated 15-20min after skimming；Copper alloy liquid carries out stokehold chemistry more quickly analyze, the percentage by weight of each elemental composition in copper alloy liquid being met the following requirements: Al2-4, Sn1.2-2.4, Ni0.5-1.5, Zn0.6-0.12, Sb0.4-0.8, Bi0.25-0.35, As0.03-0.06, B0.015-0.025, Pd0.01-0.02, Ru0.005-0.015, Er0.02-0.03, Tb0.015-0.025, P0.005-0.01, surplus is copper and inevitable impurity；After analysis, the percentage by weight according to component each in formula adjusts feed supplement；
(2) copper alloy liquid temperature adjusts to 1240-1280 DEG C, then adopts continuous casting and rolling to become copper alloy bar, by prepared copper alloy bar with 180-240 DEG C/h ramp to 400-440 DEG C, insulation 2-4h, being cooled to 220-260 DEG C with 80-100 DEG C/h speed again, be incubated 4-6h, air cooling is to room temperature；Then with 150-200 DEG C/h ramp to 350-380 DEG C, it is incubated 3-4h, then with 160-220 DEG C/h ramp to 580-640 DEG C, is incubated 2-3h, then with 160-190 DEG C/h ramp to 940-980 DEG C, be incubated 1-2h；Then it is cooled to 520-560 DEG C with 200-250 DEG C/h speed, is incubated 3-4h, then is cooled to 280-320 DEG C with 140-180 DEG C/h speed, be incubated 4-6h, then be quenched to 150-170 DEG C with 0-3 DEG C of brine ice, then with wire drawing machine, copper alloy bar is drawn into copper alloy single line；
(3) copper alloy wire is sent in heat-treatment furnace and carry out Ageing Treatment: first with 130-160 DEG C/h ramp to 280-320 DEG C, be incubated 3-5h, then with 100-120 DEG C/h ramp to 440-480 DEG C, be incubated 1-2h；Then it is cooled to 330-360 DEG C with 70-90 DEG C/h speed, is incubated 3-4h, then is cooled to 200-220 DEG C with 60-80 DEG C/h speed, insulation 4-6h, then with 100-120 DEG C/h ramp to 360-400 DEG C, it is incubated 2-3h, again with 85-95 DEG C/h ramp to 520-560 DEG C, it is incubated 1-2h；Then being cooled to 175-195 DEG C with 200-250 DEG C/h speed, be incubated 5-10h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, take the raw material of following weight portion: Vermiculitum 2-3, Kaolin 4-6, carnallite 3-5, calcium fluoride 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, potassium chloride 3-4, silane resin acceptor kh-550 1-2；B, Vermiculitum, Kaolin, carnallite mix homogeneously are sent into calcining 2-4h at 520-550 DEG C, take out and pulverized 200-300 mesh sieve；The serosity of 45-55% is made in the making beating that adds water, then add the hydrochloric acid solution that concentration is 15-20% and regulate serosity PH=4.5-5.0,2000-3000rpm speed lapping 20-30min, it is neutral for regulating lapping liquid pH value with the sodium hydroxide solution that concentration is 15-20%, and spray drying obtains powder, adds all the other raw materials, 1500-2000rpm high-speed stirred 5-10min, dry, pulverize, cross 300-400 mesh sieve.
Beneficial effects of the present invention:
Copper alloy wire fatigue durability of the present invention is good, and life-time service does not rupture, long service life, and has the advantages such as wearability is good, mechanical strength is high, highly anti-fatigue is aging, processing cost is low.
Detailed description of the invention
The preparation method of a kind of vehicle spring element resisting fatigue copper alloy wire, comprises the following steps:
(1) adding in smelting furnace by copper billet and be warming up at 1260 DEG C and melt, then heat to 1320 DEG C, add associated alloys food ingredient, stir, after all fusings, homoiothermic adds refining agent refine 25min to 1280 DEG C, is incubated 20min after skimming；Copper alloy liquid carries out stokehold chemistry more quickly analyze, the percentage by weight of each elemental composition in copper alloy liquid being met the following requirements: Al2-4, Sn1.2-2.4, Ni0.5-1.5, Zn0.6-0.12, Sb0.4-0.8, Bi0.25-0.35, As0.03-0.06, B0.015-0.025, Pd0.01-0.02, Ru0.005-0.015, Er0.02-0.03, Tb0.015-0.025, P0.005-0.01, surplus is copper and inevitable impurity；After analysis, the percentage by weight according to component each in formula adjusts feed supplement；
(2) copper alloy liquid temperature adjusts to 1250 DEG C, then adopts continuous casting and rolling to become copper alloy bar, by prepared copper alloy bar with 220 DEG C/h ramp to 420 DEG C, is incubated 3h, then is cooled to 240 DEG C with 100 DEG C/h speed, is incubated 5h, and air cooling is to room temperature；Then with 180 DEG C/h ramp to 360 DEG C, it is incubated 3h, then with 20 DEG C/h ramp to 620 DEG C, is incubated 2h, then with 180 DEG C/h ramp to 960 DEG C, be incubated 1h；Then it is cooled to 530 DEG C with 240 DEG C/h speed, is incubated 3h, then is cooled to 300 DEG C with 150 DEG C/h speed, be incubated 5h, then be quenched to 160 DEG C with 2 DEG C of brine ices, then with wire drawing machine, copper alloy bar is drawn into copper alloy single line；
(3) copper alloy wire is sent in heat-treatment furnace and carry out Ageing Treatment: first with 140 DEG C/h ramp to 290 DEG C, be incubated 4h, then with 110 DEG C/h ramp to 450 DEG C, be incubated 1h；Then it is cooled to 340 DEG C with 80 DEG C/h speed, is incubated 4h, then is cooled to 210 DEG C with 70 DEG C/h speed, be incubated 5h, then with 120 DEG C/h ramp to 380 DEG C, be incubated 3h, then with 90 DEG C/h ramp to 540 DEG C, be incubated 1h；Then being cooled to 180 DEG C with 240 DEG C/h speed, be incubated 6h, air cooling is to room temperature.
The preparation method of described refining agent is as follows: a, take the raw material of following weight (kg): Vermiculitum 2, Kaolin 6, carnallite 4, calcium fluoride 3, manganese mud 4, potassium fluotitanate 3, alum powder 2, cryolite powder 3, nano-silicon nitride 1.5, potassium chloride 3, silane resin acceptor kh-550 1.5；B, Vermiculitum, Kaolin, carnallite mix homogeneously are sent into calcining 3h at 530 DEG C, take out and pulverized 300 mesh sieves；The serosity of 50% is made in the making beating that adds water, then add the hydrochloric acid solution that concentration is 20% and regulate serosity PH=4.5,2000rpm speed lapping 30min, it is neutral for regulating lapping liquid pH value with the sodium hydroxide solution that concentration is 20%, and spray drying obtains powder, adds all the other raw materials, 2000rpm high-speed stirred 6min, dry, pulverize, cross 400 mesh sieves.
The copper alloy wire prepared is through inspection, and its main performance is: tensile strength 485Mpa, and yield strength is 366Mpa, elongation percentage 18%.
Claims (1)
1. the vehicle spring element preparation method of resisting fatigue copper alloy wire, it is characterised in that comprise the following steps:
(1) melt at copper billet being added in smelting furnace and is warming up to 1220-1280 DEG C, then heat to 1300-1350 DEG C, add associated alloys food ingredient, stir, after all fusings, homoiothermic adds refining agent refine 20-30min to 1260-1320 DEG C, is incubated 15-20min after skimming；Copper alloy liquid carries out stokehold chemistry more quickly analyze, the percentage by weight of each elemental composition in copper alloy liquid being met the following requirements: Al2-4, Sn1.2-2.4, Ni0.5-1.5, Zn0.6-0.12, Sb0.4-0.8, Bi0.25-0.35, As0.03-0.06, B0.015-0.025, Pd0.01-0.02, Ru0.005-0.015, Er0.02-0.03, Tb0.015-0.025, P0.005-0.01, surplus is copper and inevitable impurity；After analysis, the percentage by weight according to component each in formula adjusts feed supplement；
(2) copper alloy liquid temperature adjusts to 1240-1280 DEG C, then adopts continuous casting and rolling to become copper alloy bar, by prepared copper alloy bar with 180-240 DEG C/h ramp to 400-440 DEG C, insulation 2-4h, being cooled to 220-260 DEG C with 80-100 DEG C/h speed again, be incubated 4-6h, air cooling is to room temperature；Then with 150-200 DEG C/h ramp to 350-380 DEG C, it is incubated 3-4h, then with 160-220 DEG C/h ramp to 580-640 DEG C, is incubated 2-3h, then with 160-190 DEG C/h ramp to 940-980 DEG C, be incubated 1-2h；Then it is cooled to 520-560 DEG C with 200-250 DEG C/h speed, is incubated 3-4h, then is cooled to 280-320 DEG C with 140-180 DEG C/h speed, be incubated 4-6h, then be quenched to 150-170 DEG C with 0-3 DEG C of brine ice, then with wire drawing machine, copper alloy bar is drawn into copper alloy single line；
Copper alloy wire is sent into heat-treatment furnace carries out Ageing Treatment: first with 130-160 DEG C/h ramp to 280-320 DEG C, be incubated 3-5h, then with 100-120 DEG C/h ramp to 440-480 DEG C, be incubated 1-2h；Then it is cooled to 330-360 DEG C with 70-90 DEG C/h speed, is incubated 3-4h, then is cooled to 200-220 DEG C with 60-80 DEG C/h speed, insulation 4-6h, then with 100-120 DEG C/h ramp to 360-400 DEG C, it is incubated 2-3h, again with 85-95 DEG C/h ramp to 520-560 DEG C, it is incubated 1-2h；Then being cooled to 175-195 DEG C with 200-250 DEG C/h speed, be incubated 5-10h, air cooling is to room temperature；
The preparation method of described refining agent is as follows: a, take the raw material of following weight portion: Vermiculitum 2-3, Kaolin 4-6, carnallite 3-5, calcium fluoride 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, potassium chloride 3-4, silane resin acceptor kh-550 1-2；B, Vermiculitum, Kaolin, carnallite mix homogeneously are sent into calcining 2-4h at 520-550 DEG C, take out and pulverized 200-300 mesh sieve；The serosity of 45-55% is made in the making beating that adds water, then add the hydrochloric acid solution that concentration is 15-20% and regulate serosity PH=4.5-5.0,2000-3000rpm speed lapping 20-30min, it is neutral for regulating lapping liquid pH value with the sodium hydroxide solution that concentration is 15-20%, and spray drying obtains powder, adds all the other raw materials, 1500-2000rpm high-speed stirred 5-10min, dry, pulverize, cross 300-400 mesh sieve.
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| CN105420537A (en) * | 2015-12-24 | 2016-03-23 | 常熟市易安达电器有限公司 | Mine spray lance |
| CN105420536A (en) * | 2015-12-24 | 2016-03-23 | 常熟市易安达电器有限公司 | Flame-proof type power box for roadway |
| CN105369060A (en) * | 2015-12-24 | 2016-03-02 | 常熟市易安达电器有限公司 | Flameproof power box for mine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149449A (en) * | 1984-12-24 | 1986-07-08 | Sumitomo Electric Ind Ltd | Composite material for lead frame for semiconductor device and its production |
| EP0240513B1 (en) * | 1985-10-04 | 1991-01-30 | LONDON & SCANDINAVIAN METALLURGICAL CO LIMITED | Grain refining of copper-based alloys |
| CN1793394A (en) * | 2004-12-24 | 2006-06-28 | 株式会社神户制钢所 | Copper alloy having bendability and stress relaxation property |
| JP2010215976A (en) * | 2009-03-17 | 2010-09-30 | Furukawa Electric Co Ltd:The | Copper alloy sheet material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149449A (en) * | 1984-12-24 | 1986-07-08 | Sumitomo Electric Ind Ltd | Composite material for lead frame for semiconductor device and its production |
| EP0240513B1 (en) * | 1985-10-04 | 1991-01-30 | LONDON & SCANDINAVIAN METALLURGICAL CO LIMITED | Grain refining of copper-based alloys |
| CN1793394A (en) * | 2004-12-24 | 2006-06-28 | 株式会社神户制钢所 | Copper alloy having bendability and stress relaxation property |
| JP2010215976A (en) * | 2009-03-17 | 2010-09-30 | Furukawa Electric Co Ltd:The | Copper alloy sheet material |
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Effective date of registration: 20201110 Address after: 244000 No.2 workshop, no.3888, west section of Cuihu Sixth Road, Tongling City, Anhui Province Patentee after: Anhui Xinchen Automobile Manufacturing Co., Ltd Address before: 244061 Mount Huangshan Road, Tongling economic and Technological Development Zone, Anhui Patentee before: SHARP EXHIBITION (TONGLING) TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20160629 Termination date: 20210605 |