CN104046812B - A kind of automobile preparation method of high expanded copper alloy wire - Google Patents
A kind of automobile preparation method of high expanded copper alloy wire Download PDFInfo
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- CN104046812B CN104046812B CN201410245750.5A CN201410245750A CN104046812B CN 104046812 B CN104046812 B CN 104046812B CN 201410245750 A CN201410245750 A CN 201410245750A CN 104046812 B CN104046812 B CN 104046812B
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Abstract
The invention discloses a kind of automobile preparation method with high expanded copper alloy wire, the percentage by weight of its each elemental composition is as follows: Fe 0.4-0.6, Zn 0.2-0.3, Mg 0.3-0.5, Mn 0.15-0.25, Bi 0.08-0.14, Hf 0.04-0.06, In 0.02-0.04, La 0.03-0.06, Yb 0.02-0.03, P 0.005-0.015, and surplus is copper and inevitable impurity.The present invention uses the elements such as Hf, In, La, Yb of interpolation trace to strengthen copper and purification, while ensureing copper alloy electric conductivity and mechanical strength, improves toughness and the plasticity of product so that elongation percentage >=40% of copper alloy wire.
Description
Technical field
The present invention relates to a kind of automobile preparation method with high expanded copper alloy wire, belong to copper alloy manufacturing technology field.
Background technology
Copper alloy has excellent electric conductivity heat conductivity ductility and corrosion resistance, is widely used in being to make electric motor of automobile
Electrical equipment winding coil, electric wire and cable conductor material etc..During traditional production copper alloy wire, oxygen content can not be controlled,
And alloying element ratio is unreasonable in copper, impurity content is too high, and electric conductivity, ductility and the intensity of copper alloy wire are had by this
The biggest impact.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the preparation of high expanded copper alloy wire of a kind of automobile
Method.
The technical solution used in the present invention is as follows:
A kind of automobile preparation method of high expanded copper alloy wire, comprises the following steps:
(1) melt at copper billet being added in smelting furnace and is warming up to 1140-1180 DEG C, then heat to 1200-1250 DEG C,
Adding associated alloys food ingredient, stir, after all melting, homoiothermic adds refining agent refine 30-to 1160-1220 DEG C
35min, is incubated 15-25min after skimming；Copper alloy liquid carries out stokehold chemistry more quickly analyze so that each unit in copper alloy liquid
The percentage by weight of element composition meets the following requirements:
Fe 0.4-0.6、Zn 0.2-0.3、Mg 0.3-0.5、Mn 0.15-0.25、Bi 0.08-0.14、Hf 0.04-
0.06, In 0.02-0.04, La 0.03-0.06, Yb 0.02-0.03, P 0.005-0.015, surplus is copper and inevitable
Impurity；After analysis, the percentage by weight according to component each in formula adjusts feed supplement；
(2) 0.2-0.3% pressing copper billet charged material weight puts into the fusing of Sn-Ag-Cu-Ni-Ge alloy block, alloy block in stove
The mass ratio of middle Sn, Ag, Cu, Ni, Ge element is 1-2:3-5:0.5-1:0.2-0.4:0.1-0.2, stirs 25-35min；Then
Homoiothermic, to 1180-1240 DEG C, adds refining agent refine 20-25min, is incubated 15-20min after slagging-off；
(3) continuous casting and rolling becomes copper alloy bar, wire drawing machine to be drawn into copper alloy single line；
(4) copper alloy wire is sent in heat-treatment furnace and carry out Ageing Treatment: first with 60-80 DEG C/h ramp to 150-
180 DEG C, it is incubated 3-6h, then with 70-90 DEG C/h ramp to 360-390 DEG C, is incubated 2-3h, then drops with 50-60 DEG C/h speed
Temperature, to 220-240 DEG C, is incubated 3-4h, then with 80-100 DEG C/h ramp to 410-430 DEG C, is incubated 1-2h；Then with 70-80
DEG C/h speed is cooled to 240-260 DEG C, is incubated 4-5h, it is then placed in 0-3 DEG C of frozen water processing 3-5h, takes out with 50-60 DEG C/h
Ramp, to 160-190 DEG C, is incubated 2-4h, and 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: meerschaum 3-5, fluorite 1-2, illiteracy
De-stone 2-3, sodium carbonate 3-4, prodan 4-6, vanadium diboride 2-2.5, schmigel 1-2, tree ash 2-3, nanometer
Silicon nitride 1.5-2.5, silane resin acceptor kh-550 1-2；B, by meerschaum, fluorite, montmorillonite mix homogeneously send into 510-540
Calcine 3-5h at DEG C, take out and pulverized 200-300 mesh sieve；The serosity of 40-50% is made in the making beating that adds water, and then adding concentration is 10-
Hydrochloric acid solution regulation serosity PH=4.5-5.5, the 2000-3000rpm speed lapping 20-30min of 15%, is 15-20%'s by concentration
Sodium hydroxide solution regulation lapping liquid pH value is neutral, is spray-dried to obtain powder, adds remaining raw material, and 1000-1500rpm is high
Speed stirring 5-10min, dries, pulverizes, cross 300-400 mesh sieve.
Beneficial effects of the present invention:
The present invention uses the elements such as Hf, In, La, Yb of interpolation trace to strengthen copper and purification, is ensureing copper
While alloy conductive and mechanical strength, improve toughness and plasticity, tensile strength >=420MPa, conductivity >=90% of product
IACS, elongation percentage >=40%.
Detailed description of the invention
A kind of automobile preparation method of high expanded copper alloy wire, comprises the following steps:
(1) copper billet added in smelting furnace and be warming up at 1160 DEG C fusing, then heating to 1220 DEG C, adding and close mutually
Gold food ingredient, stirs, and after all melting, homoiothermic to 1180 DEG C adds refining agent refine 30min, is incubated after skimming
20min；Copper alloy liquid carries out stokehold chemistry more quickly analyze so that the percentage by weight symbol of each elemental composition in copper alloy liquid
Close following requirements: Fe 0.4-0.6, Zn 0.2-0.3, Mg 0.3-0.5, Mn 0.15-0.25, Bi 0.08-0.14, Hf
0.04-0.06, In 0.02-0.04, La 0.03-0.06, Yb 0.02-0.03, P 0.005-0.015, surplus is copper and can not
The impurity avoided；After analysis, the percentage by weight according to component each in formula adjusts feed supplement；
(2) press the 0.2% of copper billet charged material weight in stove, put into the fusing of Sn-Ag-Cu-Ni-Ge alloy block, Sn in alloy block,
The mass ratio of Ag, Cu, Ni, Ge element is 1:3.5:0.8:0.3:0.1, stirs 30min；Then homoiothermic is to 1220 DEG C, adds
Refining agent refine 20min, is incubated 15min after slagging-off；
(3) continuous casting and rolling becomes copper alloy bar, wire drawing machine to be drawn into copper alloy single line；
(4) copper alloy wire is sent in heat-treatment furnace and carries out Ageing Treatment: first with 70 DEG C/h ramp to 160 DEG C,
Insulation 4h, then with 80 DEG C/h ramp to 380 DEG C, be incubated 2h, then be cooled to 240 DEG C with 60 DEG C/h speed, insulation 3h, then with
100 DEG C/h ramp, to 420 DEG C, is incubated 1h；Then it is cooled to 250 DEG C with 80 DEG C/h speed, is incubated 4h, is then placed in 1 DEG C
Processing 4h in frozen water, take out with 60 DEG C/h ramp to 170 DEG C, be incubated 3h, 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): meerschaum 4, fluorite 1.5, cover
De-stone 2, sodium carbonate 3, prodan 5, vanadium diboride 2, schmigel 1.5, tree ash 2, nano-silicon nitride 2, silane
Coupling agent KH-550 2；B, meerschaum, fluorite, montmorillonite mix homogeneously are sent into and calcined 3h at 540 DEG C, take out and pulverized 200
Mesh sieve；The serosity of 4% is made in the making beating that adds water, and then adds hydrochloric acid solution regulation serosity PH=5.5, the 2000rpm high speed that concentration is 10%
Grind 25min, be neutral with the sodium hydroxide solution regulation lapping liquid pH value that concentration is 15%, be spray-dried to obtain powder, add
Remaining raw material, 1000rpm high-speed stirred 8min, dry, pulverize, cross 300 mesh sieves.
The copper alloy wire prepared is through inspection, and its main performance is: tensile strength 472Mpa, and yield strength is 386Mpa, prolongs
Stretch rate 45%, conductivity IACS(20 DEG C) 91%.
Claims (1)
1. the automobile preparation method of high expanded 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 1140-1180 DEG C, then heat to 1200-1250 DEG C, add
Associated alloys food ingredient, stirs, and after all melting, homoiothermic adds refining agent refine 30-to 1160-1220 DEG C
35min, is incubated 15-25min after skimming；Copper alloy liquid carries out stokehold chemistry more quickly analyze so that each unit in copper alloy liquid
The percentage by weight of element composition meets the following requirements:
Fe0.4-0.6、Zn0.2-0.3、Mg0.3-0.5、Mn0.15-0.25、Bi0.08-0.14、Hf0.04-0.06、In0.02-
0.04, La0.03-0.06, Yb0.02-0.03, P0.005-0.015, surplus is copper and inevitable impurity；Basis after analysis
In formula, the percentage by weight of each component adjusts feed supplement；
(2) press the 0.2-0.3% of copper billet charged material weight in stove, put into the fusing of Sn-Ag-Cu-Ni-Ge alloy block, Sn in alloy block,
The mass ratio of Ag, Cu, Ni, Ge element is 1-2:3-5:0.5-1:0.2-0.4:0.1-0.2, stirs 25-35min；Then homoiothermic
To 1180-1240 DEG C, add refining agent refine 20-25min, after slagging-off, be incubated 15-20min；
(3) continuous casting and rolling becomes copper alloy bar, wire drawing machine to be drawn into copper alloy single line；
Copper alloy wire is sent into heat-treatment furnace carries out Ageing Treatment: first with 60-80 DEG C/h ramp to 150-180 DEG C,
Insulation 3-6h, then with 70-90 DEG C/h ramp to 360-390 DEG C, be incubated 2-3h, then be cooled to 50-60 DEG C/h speed
220-240 DEG C, it is incubated 3-4h, then with 80-100 DEG C/h ramp to 410-430 DEG C, is incubated 1-2h；Then with 70-80 DEG C/h
Speed is cooled to 240-260 DEG C, is incubated 4-5h, is then placed in 0-3 DEG C of frozen water processing 3-5h, takes out with 50-60 DEG C/h speed
Being warming up to 160-190 DEG C, be incubated 2-4h, 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: meerschaum 3-5, fluorite 1-2, montmorillonite 2-
3, sodium carbonate 3-4, prodan 4-6, vanadium diboride 2-2.5, schmigel 1-2, tree ash 2-3, nano-silicon nitride 1.5-
2.5, silane resin acceptor kh-550 1-2；B, meerschaum, fluorite, montmorillonite mix homogeneously are sent into and calcined 3-at 510-540 DEG C
5h, takes out and pulverized 200-300 mesh sieve；The serosity of 40-50% is made in the making beating that adds water, and then adds the hydrochloric acid that concentration is 10-15% molten
Liquid regulation serosity PH=4.5-5.5,2000-3000rpm speed lapping 20-30min, molten with the sodium hydroxide that concentration is 15-20%
Liquid regulation lapping liquid pH value is neutral, is spray-dried to obtain powder, adds remaining raw material, 1000-1500rpm high-speed stirred 5-
10min, dries, and pulverizes, and crosses 300-400 mesh sieve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410245750.5A CN104046812B (en) | 2014-06-05 | 2014-06-05 | A kind of automobile preparation method of high expanded copper alloy wire |
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| CN201410245750.5A CN104046812B (en) | 2014-06-05 | 2014-06-05 | A kind of automobile preparation method of high expanded copper alloy wire |
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| CN104046812A CN104046812A (en) | 2014-09-17 |
| CN104046812B true CN104046812B (en) | 2016-08-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1681360A1 (en) * | 2003-09-19 | 2006-07-19 | Sumitomo Metal Industries Limited | Copper alloy and method for production thereof |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN103695726A (en) * | 2013-12-26 | 2014-04-02 | 青岛友铭辰生物技术有限公司 | Aluminum alloy power transmission line for electrified railways and preparation method of aluminum alloy power transmission line |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4680765B2 (en) * | 2005-12-22 | 2011-05-11 | 株式会社神戸製鋼所 | Copper alloy with excellent stress relaxation resistance |
| MX2011002500A (en) * | 2008-09-10 | 2011-04-07 | Pmx Ind Inc | White-colored copper alloy with reduced nickel content. |
-
2014
- 2014-06-05 CN CN201410245750.5A patent/CN104046812B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1681360A1 (en) * | 2003-09-19 | 2006-07-19 | Sumitomo Metal Industries Limited | Copper alloy and method for production thereof |
| CN1930314A (en) * | 2004-03-12 | 2007-03-14 | 住友金属工业株式会社 | Copper alloy and process for producing the same |
| CN103695726A (en) * | 2013-12-26 | 2014-04-02 | 青岛友铭辰生物技术有限公司 | Aluminum alloy power transmission line for electrified railways and preparation method of aluminum alloy power transmission line |
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| CN104046812A (en) | 2014-09-17 |
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Effective date of registration: 20201105 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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