CN102851535A - Copper-nickel 34 metal wire and preparation method thereof - Google Patents
Copper-nickel 34 metal wire and preparation method thereof Download PDFInfo
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- CN102851535A CN102851535A CN201210304004XA CN201210304004A CN102851535A CN 102851535 A CN102851535 A CN 102851535A CN 201210304004X A CN201210304004X A CN 201210304004XA CN 201210304004 A CN201210304004 A CN 201210304004A CN 102851535 A CN102851535 A CN 102851535A
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Abstract
The invention relates to a relates to the field of copper-nickel alloy, and in particular relates to a copper-nickel 34 metal wire and a preparation method thereof. The copper-nickel 34 wire comprises, by weight, 33-35% of Ni, 0.05-0.6% of Mn, 0.01-0.5% of Fe, 0.01-0.3% of Ti, 0.01-0.1% of B, 0.001-0.05% of Re, and the balance of copper. The preparation method of the copper-nickel 34 metal wire comprises the following steps: conducting mixed melting according to the formula; peeling the obtained ingot and forging; drawing the forged blank; and repeating drawing and annealing for at least 2 times, until the copper-nickel 34 metal wire with desired specifications is obtained. The copper-nickel 34 metal wire prepared by the method of the invention has low resistance temperature coefficient, excellent corrosion resistance, good welding performance and processing performance, high tensile strength and elongation rate, and resistivity about 0.40 ohm.mm<2> / m.
Description
Technical field
The present invention relates to the cupronickel field, particularly, the present invention relates to a kind of copper nickel 34 wires and preparation method thereof.
Background technology
Cupronickel is called again copper-nickel alloy, is the copper base alloy take nickel as main adding elements.The position of copper and mickel in the periodic table of elements approaches, atomic radius differs seldom, all are face-centered cubic lattices, therefore both mutually complete miscibilities, alloy in any ratio preparation all is single sosoloid tissue, the Complicated Copper nickelalloy that contains other elements, great majority also are single sosoloid tissues.
Studies have shown that the plasticity of copper descends seldom behind the adding nickel, but intensity there is obvious rising.In other words, because the adding of nickel, copper-nickel alloy has a series of very excellent characteristics: (i) good mechanical property has suitable intensity and good plasticity; (ii) all can carry out press working under room temperature and the high temperature, can further improve intensity by work hardening; (iii) good solidity to corrosion; (iv) resistivity is high.
In order further to improve the performance of cupronickel, can further add manganese element.Manganese element can be used as reductor and as sulphur there being the element of very large avidity.Adding manganese can improve the resistance of cupronickel.
Copper nickel 34 finger nickel content are about 34% cupronickel, and such alloy has high electrical resistance and low resistance temperature coefficient.
Copper nickel 34 alloy species are more in the market, the NCO40 that produces of the prosperous electrical heating element of Taixing gold company limited for example, and its main chemical compositions is 34% nickel, 1.0% manganese, surplus is copper.This alloy maximum operation (service) temperature is 400 degrees centigrade, but its temperature coefficient of resistance and every mechanical property all can not satisfy existing needs.
Therefore, provide a kind of temperature coefficient of resistance lower, the cupronickel of every mechanical performance parameter excellences such as tensile strength and unit elongation is the technical barrier in affiliated field.
Summary of the invention
The copper nickel wire is a kind of of cupronickel goods, is applied to the electrical heating element in the low-voltage apparatuses such as thermal overload relay, low-voltage circuit breaker.
For the deficiencies in the prior art, one of purpose of the present invention is to provide a kind of copper nickel 34 wires.Described copper nickel 34 wires comprise according to weight percent:
In described copper nickel 34 wires, Ni content is 33 ~ 35%, such as: 33.1%, 33.2%, 33.3%, 33.4%, 34%, 34.6%, 34.7%, 34.8%, 34.9% etc.; Mn content is 0.05 ~ 0.6%, such as: 0.051%, 0.052%, 0.053%, 0.06%, 0.1%, 0.2%, 0.4%, 0.55%, 0.58%, 0.585%, 0.59%, 0.595%, 0.598%, 0.599% etc.; Fe content is 0.01 ~ 0.5%, such as: 0.011%, 0.012%, 0.013%, 0.1%, 0.3%, 0.4%, 0.45%, 0.48%, 0.49%, 0.495%, 0.497%, 0.498%, 0.499% etc.; Ti content is 0.01 ~ 0.3%, such as: 0.011%, 0.012%, 0.013%, 0.1%, 0.2%, 0.25%, 0.28%, 0.29%, 0.295%, 0.297%, 0.298%, 0.299% etc.; B content is 0.01 ~ 0.1%, such as: 0.011%, 0.012%, 0.013%, 0.05%, 0.08%, 0.09%, 0.091%, 0.095%, 0.097%, 0.098%, 0.099% etc.; Re content is 0.001 ~ 0.05%, such as: 0.0011%, 0.0012%, 0.0013%, 0.005%, 0.01%, 0.03%, 0.041%, 0.045%, 0.047%, 0.048%, 0.049% etc.; Surplus is copper.
Preferably, described copper nickel 34 wires comprise according to weight percent:
Preferably, described copper nickel 34 wires comprise according to weight percent:
Particularly preferably, described copper nickel 34 wires according to weight percent by following elementary composition:
Re of the present invention refers to rare earth element, described rare earth element is lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), lutetium (Lu), the combination of a kind of in scandium (Sc) and the yttrium (Y) or at least two kinds, the example of described combination has: the combination of La and Ce, the combination of Pr and Nd, the combination of Pm and Sm, the combination of Eu and Gd, the combination of Tb and Dy, the combination of Ho and Er, the combination of Tm and Yb, the combination of Lu and Sc, the combination of Y and L, the combination of Ce and Pr, the combination of Nd and Pm, the combination of Sm and Eu, the combination of Gd and Tb, the combination of Dy and Ho, the combination of Er and Tm, the combination of Yb and Lu, the combination of Sc and Y, the combination of La and Pr, the combination of Ce and Nd, the combination of Pm and Eu, the combination of Nd and Gd, the combination of Tb and Ho, the combination of Er and Yb, the combination of Lu and Y, La, the combination of Ce and Pr, Nd, the combination of Pm and Sm, Eu, the combination of Gd and Tb, Tb, the combination of Dy and Ho, Er, the combination of Tm and Yb, Sc, the combination of Y and La, Ce, the combination of Pr and Nd, Pm, the combination of Sm and Eu, Gd, the combination of Tb and Dy, Ho, the combination of Er and Tm, Yb, Lu, the combination of Sc and Y etc.Because the content of these elements in the earth's crust is rare, their oxide compound approaches with soil color again, so be called rare earth element.
In described copper nickel 34 wires, Fe is crystal grain thinning significantly, and the intensity that increases cupronickel does not reduce again plasticity, especially can improve solidity to corrosion; Add manganese, but deoxidation and desulfurization can increase the intensity of alloy; Re can reduce sulphur content in the alloy, carry heavy alloyed antioxidant property, carry heavy alloyed creep rupture strength, the refinement carbide, improve the homogeneity of carbide, carry heavy alloyed corrosion resistance nature, improve the welding property of alloy, reduce the probability that B alloy wire cracks, so that fracture of wire not in the follow-up preparation drawing process, improve the over-all properties of product.
Copper nickel 34 wires of the present invention also can contain other element.
For example, described copper nickel 34 wires also can contain 0.001 ~ 0.3% Si, such as: 0.0011%, 0.0012%, 0.0013%, 0.005%, 0.01%, 0.1%, 0.2%, 0.25%, 0.28%, 0.29%, 0.298%, 0.299% etc., preferred 0.1 ~ 0.2%.
For example, described copper nickel 34 wires also can contain 0.1 ~ 1% Al, such as 0.11%, 0.12%, 0.13%, 0.2%, 0.5%, 0.8%, 0.9%, 0.95%, 0.97%, 0.98%, 0.99% etc., and preferred 0.2 ~ 0.5%.
For example, described copper nickel 34 wires also can contain 0.001 ~ 0.1% Mo, such as: 0.0011%, 0.0012%, 0.0013%, 0.005%, 0.01%, 0.08%, 0.09%, 0.095%, 0.098%, 0.099% etc., preferred 0.05 ~ 0.07%.
One of purpose of the present invention also is to provide described copper nickel 34 purposes wiry, and described copper nickel 34 wires are used for making variable resistor, resistive heater and the strain resistance element that exchanges instrument.
One of purpose of the present invention also is to provide described copper nickel 34 preparation methods wiry, said method comprising the steps of:
(1) carry out mixed smelting according to prescription, the ingot casting peeling with obtaining forges;
(2) will forge rear blank drawing, again drawing, annealing so repeats Drawing-anneal at least 2 times, until obtain copper nickel 34 wires of required specification.
At first will forge the filament that rear blank drawing obtains having certain diameter in the described step (2), and then repeat drawing and annealing process.Described certain diameter is that those skilled in the art can select the concrete numerical value of certain diameter herein voluntarily according to copper nickel 34 specifications wiry of finally expecting obtaining greater than the arbitrary diameter of final any products specification, and the present invention is not construed as limiting at this.
By heating make metal by solid state transformation to liquid and make its temperature, satisfactory technological process becomes to grade.Melting described in the step (1) is by adopting the vacuum intermediate-frequency induction melting furnace to realize.
The impurity major part that the ingot casting peeling produces when making melting is removed, and the burr phenomena when having reduced the subsequent handling drawing has reduced wire broken rate.
To forge after the ingot casting peeling again, then carry out drawing, annealing can obtain copper nickel 34 wire finished products.
Multiplicity those skilled in the art of described Drawing-anneal can select voluntarily according to the experience of oneself, and as preferred version, the number of times that Drawing-anneal of the present invention repeats is more than 2 times, and for example 2,3,4,5, preferred 2 ~ 5 times, particularly preferably 4 ~ 5 times.Annealing can improve copper nickel 34 tensile strength wiry and unit elongation.Those skilled in the art can select how drawing and annealing voluntarily, and the present invention only is preferred herein, and non-limiting.
In the present invention, described copper nickel 34 wires refer to by nickel content to be the wire of about 34% cupronickel preparation.
Compared with prior art, prepared copper nickel 34 wires of the inventive method have the following advantages:
(1) has than low resistance temperature coefficient;
(2) has excellent erosion resistance;
(3) have good welding property and processing characteristics;
(4) blank that first melting is obtained after the melting carries out peeling, has removed the impurity that produces in most of fusion process, and the burr phenomena when having reduced follow-up drawing has reduced wire broken rate;
(5) owing to anneal after the drawing, final copper nickel 34 tensile strength wiry and unit elongation have been improved;
(6) has about 0.40 Ω mm
2The resistivity of/m has satisfied the market requirement to this series products.
Embodiment
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand that described embodiment helps to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment 1
Present embodiment copper nickel 34 wires are comprised of 33% Ni, 0.6% Mn, 0.01% Fe, 0.01% Ti, 0.01% B, 0.05% Re and 66.32% copper.
Prepare by the following method copper nickel 34 wires:
(1) with the raw material mixed smelting, the ingot casting peeling with obtaining forges;
(2) will forge rear blank drawing and obtain filament that diameter is 4.0mm after, drawing obtains the filament after annealing that diameter is 1.0mm again, drawing obtains the filament after annealing that diameter is 0.3mm again, drawing obtains the filament after annealing that diameter is 0.15mm again, finally obtains the filament that diameter is 0.15mm.
Embodiment 2
Copper nickel 34 wires are comprised of 35% Ni, 0.05% Mn, 0.5% Fe, 0.3% Ti, 0.1% B, 0.001% Re, 0.3% Si and 63.749% copper.
Prepare by the following method copper nickel 34 wires:
(1) with the raw material mixed smelting, the ingot casting peeling with obtaining forges;
(2) will forge rear blank drawing and obtain filament that diameter is 8.0mm after, drawing obtains the filament after annealing that diameter is 6.0mm again, repeats Drawing-anneal 6 times, finally obtains the filament that diameter is 0.05mm.
Embodiment 3
Copper nickel 34 wires are comprised of 34% Ni, 0.3% Mn, 0.1% Fe, 0.15% Ti, 0.05% V, 0.04% B, 0.03% Re and 65.33% copper.
Prepare by the following method copper nickel 34 wires:
(1) with the raw material mixed smelting, the ingot casting peeling with obtaining forges;
(2) will forge rear blank drawing and obtain filament that diameter is 6.0mm after, drawing obtains the filament after annealing that diameter is 4.0mm again, repeats Drawing-anneal 3 times, finally obtains the filament that diameter is 0.1mm.
Embodiment 4
Copper nickel 34 wires are comprised of 34.1% Ni, 0.11% Mn, 0.055% Fe, 0.06% Ti, 0.07% V, 0.035% B, 0.02% Re and 65.55% copper.
Prepare by the following method copper nickel 34 wires:
(1) with the raw material mixed smelting, the ingot casting peeling with obtaining forges;
(2) will forge rear blank drawing and obtain filament that diameter is 3.0mm after, drawing obtains the filament after annealing that diameter is 1.0mm again, repeats Drawing-anneal 2 times, finally obtains the filament that diameter is 0.08mm.
Comparative Examples
The NCO40 that produces take the prosperous electrical heating element of Taixing gold company limited is as Comparative Examples.
According to GB/T1234-95 copper nickel 34 wires and Comparative Examples that embodiment 1-4 produces are tested, test result is shown in Table 1.
Table 1
As shown in Table 1, copper nickel 34 wires of the present invention are much better than existing copper nickel 34 wires.
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, does not mean that namely the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.The person of ordinary skill in the field should understand, any improvement in the present invention to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (8)
1. copper nickel 34 wires comprise according to weight percent:
2. copper nickel 34 wires as claimed in claim 1 is characterized in that described wire comprises according to weight percent:
3. copper nickel 34 wires as claimed in claim 1 or 2 is characterized in that described wire comprises according to weight percent:
4. such as each described copper nickel 34 wires of claim 1-3, it is characterized in that, described wire according to weight percent by following elementary composition:
5. such as each described copper nickel 34 purposes wiry of claim 1-4, it is characterized in that described copper nickel 34 wires are used for making variable resistor, resistive heater and the strain resistance element that exchanges instrument.
6. such as each described copper nickel 34 preparation methods wiry of claim 1-4, it is characterized in that, said method comprising the steps of:
(1) carry out mixed smelting according to prescription, the ingot casting peeling with obtaining forges;
(2) will forge rear blank drawing, again drawing, annealing so repeats Drawing-anneal at least 2 times, until obtain copper nickel 34 wires of required specification.
7. method as claimed in claim 6 is characterized in that, melting described in the step (1) is by adopting the vacuum intermediate-frequency induction melting furnace to realize.
8. such as claim 6 or 7 described methods, it is characterized in that the number of times that the described Drawing-anneal of step (2) repeats is more than 2 times, preferred 2 ~ 5 times, particularly preferably 4 ~ 5 times.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093855A (en) * | 2013-01-30 | 2013-05-08 | 东南大学 | High conductivity rare earth hard aluminum conductor and preparation method |
| CN106435259A (en) * | 2016-10-20 | 2017-02-22 | 江苏博迁新材料股份有限公司 | Copper-nickel alloy powder for ultralow-resistance chip resistor |
| CN106480335A (en) * | 2015-09-01 | 2017-03-08 | 兴化市兴成铜业有限公司 | A kind of material containing high Alpaka |
| CN106834799A (en) * | 2017-03-01 | 2017-06-13 | 桥运精密部件（苏州）有限公司 | Wire of a kind of cupro-nickel 30 and preparation method thereof |
| CN108893648A (en) * | 2018-07-20 | 2018-11-27 | 江西理工大学 | A kind of preparation method of yttrium-base heavy rare earth corronil |
| CN114393344A (en) * | 2021-12-30 | 2022-04-26 | 无锡日月合金材料有限公司 | Brazing filler metal for multistage brazing of electric vacuum device and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028282A (en) * | 1987-06-15 | 1991-07-02 | Mitsubishi Denki Kabushiki Kaisha | Cu-Ni-Sn alloy with excellent fatigue properties |
| CN102146533A (en) * | 2011-03-25 | 2011-08-10 | 富威科技（吴江）有限公司 | Formula of copper nickel tin alloy strip and production process |
| CN102352453A (en) * | 2011-10-29 | 2012-02-15 | 重庆川仪自动化股份有限公司 | Resistance material capable of preventing overheat generation caused by excessive current |
-
2012
- 2012-08-23 CN CN201210304004.XA patent/CN102851535B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5028282A (en) * | 1987-06-15 | 1991-07-02 | Mitsubishi Denki Kabushiki Kaisha | Cu-Ni-Sn alloy with excellent fatigue properties |
| CN102146533A (en) * | 2011-03-25 | 2011-08-10 | 富威科技（吴江）有限公司 | Formula of copper nickel tin alloy strip and production process |
| CN102352453A (en) * | 2011-10-29 | 2012-02-15 | 重庆川仪自动化股份有限公司 | Resistance material capable of preventing overheat generation caused by excessive current |
Non-Patent Citations (2)
| Title |
|---|
| 董旭刚: "硼和稀土对B15白铜合金组织及性能的影响", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》, 15 February 2012 (2012-02-15) * |
| 赵祖德等: "《铜及铜合金材料手册》", 31 December 1993, article "C71500" * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093855A (en) * | 2013-01-30 | 2013-05-08 | 东南大学 | High conductivity rare earth hard aluminum conductor and preparation method |
| CN106480335A (en) * | 2015-09-01 | 2017-03-08 | 兴化市兴成铜业有限公司 | A kind of material containing high Alpaka |
| CN106435259A (en) * | 2016-10-20 | 2017-02-22 | 江苏博迁新材料股份有限公司 | Copper-nickel alloy powder for ultralow-resistance chip resistor |
| CN106834799A (en) * | 2017-03-01 | 2017-06-13 | 桥运精密部件（苏州）有限公司 | Wire of a kind of cupro-nickel 30 and preparation method thereof |
| CN108893648A (en) * | 2018-07-20 | 2018-11-27 | 江西理工大学 | A kind of preparation method of yttrium-base heavy rare earth corronil |
| CN114393344A (en) * | 2021-12-30 | 2022-04-26 | 无锡日月合金材料有限公司 | Brazing filler metal for multistage brazing of electric vacuum device and preparation method thereof |
| CN114393344B (en) * | 2021-12-30 | 2024-05-14 | 无锡日月合金材料有限公司 | Solder for multistage brazing of electric vacuum device and preparation method thereof |
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