CN102676876B - Copper alloy material with high strength and conductivity and manufacturing method of copper alloy material - Google Patents
Copper alloy material with high strength and conductivity and manufacturing method of copper alloy material Download PDFInfo
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- CN102676876B CN102676876B CN201210121985.4A CN201210121985A CN102676876B CN 102676876 B CN102676876 B CN 102676876B CN 201210121985 A CN201210121985 A CN 201210121985A CN 102676876 B CN102676876 B CN 102676876B
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Abstract
The invention relates to a copper alloy material with high strength and conductivity and a manufacturing method of the copper alloy material. The copper alloy material with high strength and conductivity comprises the following elements in percentage by weight: 2.30-2.90 percent of Ni, 0.35-0.60 percent of Si, 0.30-0.60 percent of Cr, 0.10-0.3 percent of Al, 0.05-0.10 percent of Be, and Cu and inevitable impurities in balancing amount. According to the invention, the high conducting performance of a Cu-Ni-Si system alloy is utilized, and Cr, Al and a trace amount of Be alloy element are added; and through a proper processing technique, mutual action among the elements is fully played and the requirements on the performances of high strength, high conductivity, heat resistance and high-temperature oxidation resistance are met.
Description
Technical field
The present invention relates to a kind of copper alloy with high strength and high conductivity material and manufacture method thereof.
Background technology
Cu alloy material for directions such as large-capacity steam turbine generator rotor slot wedge, large-size machine conducting ring, electrode welder, mould of plastics and die castings should have high strength, high conduction, thermotolerance etc., over-all properties is had relatively high expectations, at present, main or employing contains beryllium copper at home, but contain the elements such as beryllium, cobalt in beryllium copper, make the production cost of material very high, higher beryllium element can cause the pollution of environment and personal harm in the alloy production process.
All seeking the substitute material of beraloy both at home and abroad, the serial copper alloys such as CuNi2SiCr, CuNi9Sn3 been have successively have been researched and developed, the partial properties index of these materials has reached the berylliumbronze level, but still there is a big difference for integrated performance index, how to improve the over-all properties of berylliumbronze substitute material, be still the problem that the copper alloy field remains further research.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of high strength, high conductivity, high temperature oxidation resistance good, copper alloy with high strength and high conductivity material and the manufacture method thereof that the cost of material is low.
In copper alloy with high strength and high conductivity material of the present invention, the mass percent of each constituent content is: Ni: 2.30～2.90%, Si: 0.35～0.60%, Cr: 0.30～0.60%, Al: 0.10～0.3%, Be: 0.05～0.10%, and surplus is Cu and inevitable impurity.
The manufacture method of copper alloy with high strength and high conductivity material of the present invention comprises the following steps successively:
By the melting in medium-frequency induction furnace of the metal element of above-mentioned composition and weight percent, casting ingot-forming;
Carry out thermal distortion, deflection >=50% in 850 ℃～700 ℃ temperature ranges;
860 ℃～920 ℃ solution treatment, then put into water cooling;
Cold deformation is processed, and deflection is 0～50%;
By the blank after cold deformation 460 ℃～520 ℃ ageing treatment.
The present invention utilizes Cu-Ni-Si to be associated golden high conduction performance, adds the Be alloying element of Cr, Al and trace, by suitable complete processing, gives full play to the interaction of each element, reaches the performance requriements of high strength, high conductivity, heat-resistant high temperature oxidation.
In alloy Ni and Si element in heat treatment process with the form precipitation strength alloy substrate of compound N i2Si, in sosoloid, exist superfluous Ni or Si all can fall low-alloyed heat-conductive characteristic, particularly low-alloyed high-temperature behavior can fall in superfluous Si, and in material of the present invention, Ni and Si mass percent are controlled in 3～7 scopes; In material of the present invention, Cr can form Cr3Si and put forward the heat processing technique performance under heavy alloyed heat-conductive characteristic and high temperature with unnecessary Si; In material of the present invention, be intensity, raising Alloy Anti high temperature oxidation resistance and the thermotolerance in order to increase alloy adding of Al, Be, Al, Be can generate Ni3Al, NiBe compound with superfluous Ni, improve the heat-conductive characteristic of material, the Be element add the slaggability that also can promote aluminium alloy, reduce material internal defect, improved lumber recovery.
Embodiment
Below in conjunction with embodiment, the present invention will be further described.
Embodiment 1:
The alloying element mass percent is Ni: 2.50%, Si: 0.50%, Cr: 0.53%, Al: 0.15%, Be: 0.06%, and surplus is copper and inevitable impurity.Implementing process is: adopt the medium-frequency induction furnace melting, casting ingot-forming; Carry out thermal distortion, deflection 70% in 850 ℃～700 ℃ temperature ranges; 900 ℃ of solution treatment, then put into water cooling; Cold deformation is processed, and deflection is 25%; Blank after cold deformation is carried out to ageing treatment at 500 ℃.
The performance index of alloy material are:
Embodiment 2:
The alloying element mass percent is Ni: 2.87%, Si: 0.39%, Cr: 0.30%, Al: 0.27%, Be: 0.10%, and surplus is copper and inevitable impurity.Implementing process is: adopt the medium-frequency induction furnace melting, casting ingot-forming; Carry out thermal distortion, deflection 50% in 850 ℃～700 ℃ temperature ranges; 870 ℃ of solution treatment, then put into water cooling; Cold deformation is processed, and deflection is 45%; Blank after cold deformation is carried out to ageing treatment at 460 ℃.
The performance index of this alloy material are:
Embodiment 3:
The alloying element mass percent is Ni: 2.33%, Si: 0.56%, Cr: 0.54%, Al: 0.11%, Be: 0.08%, and surplus is copper and inevitable impurity.Implementing process is: adopt the medium-frequency induction furnace melting, casting ingot-forming; Carry out thermal distortion, deflection 5% in 850 ℃～700 ℃ temperature ranges; 920 ℃ of solution treatment, then put into water cooling; Cold deformation is processed, and deflection is 45%; Blank after cold deformation is carried out to ageing treatment at 510 ℃.
The performance index of this alloy material are:
Claims (2)
1. a copper alloy with high strength and high conductivity material, it is characterized in that: the mass percent of its component and content is: Ni:2.30～2.90%, Si:0.35～0.60%, Cr:0.30～0.60%, Al:0.10～0.3%, Be:0.05～0.10%, surplus is Cu and inevitable impurity.
2. the manufacture method of a copper alloy with high strength and high conductivity material is characterized in that: comprises the following steps successively,
A. by metal element melting in medium-frequency induction furnace of the composition of the described copper alloy with high strength and high conductivity material of claim 1 and weight percent, casting ingot-forming;
B. carry out thermal distortion, deflection >=50% in 850 ℃～700 ℃ temperature ranges;
C. 860 ℃～920 ℃ solution treatment, then put into water cooling;
D. cold deformation is processed, and deflection is 0～50%;
E. by the blank after cold deformation 460 ℃～520 ℃ ageing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210121985.4A CN102676876B (en) | 2012-04-24 | 2012-04-24 | Copper alloy material with high strength and conductivity and manufacturing method of copper alloy material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210121985.4A CN102676876B (en) | 2012-04-24 | 2012-04-24 | Copper alloy material with high strength and conductivity and manufacturing method of copper alloy material |
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| CN102676876A CN102676876A (en) | 2012-09-19 |
| CN102676876B true CN102676876B (en) | 2014-01-08 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102965540A (en) * | 2012-11-20 | 2013-03-13 | 无锡常安通用金属制品有限公司 | High-strength superconduction copper alloy material and preparation thereof |
| CN102994800B (en) * | 2012-11-20 | 2015-05-13 | 江苏高博智融科技有限公司 | Superconductivity copper and iron alloy and preparation method thereof |
| CN103290254A (en) * | 2013-05-07 | 2013-09-11 | 锡山区羊尖泓之盛五金厂 | High temperature resistant superconductive copper wire and preparation method thereof |
| CN103343258B (en) * | 2013-06-18 | 2015-01-28 | 山东亨圆铜业有限公司 | Preparation method of high-strength corrosion-resistant copper pipe for heat exchanger |
| CN105385890A (en) * | 2015-11-27 | 2016-03-09 | 宁波博威合金材料股份有限公司 | Nickel and silicon contained bronze alloy and application thereof |
| CN108118185A (en) * | 2018-01-18 | 2018-06-05 | 镇江四洋特种金属材料制造有限公司 | A kind of electrode welder Cu alloy material and processing technology |
| CN113046594B (en) * | 2021-03-11 | 2022-03-18 | 郑州大学 | High-strength high-thermal-conductivity copper alloy material roller sleeve and preparation method thereof |
| CN113584344B (en) * | 2021-07-28 | 2022-05-24 | 烟台万隆真空冶金股份有限公司 | Copper alloy annealed conducting ring and preparation method thereof |
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| CN1776997B (en) * | 2005-12-13 | 2010-05-05 | 江苏科技大学 | Large-capacity steam turbine generator rotor copper alloy slot wedge and its preparing method |
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Effective date of registration: 20230524 Address after: 241100 Wuhu Machinery Industry Park, Wuhu, Anhui Patentee after: Wuhu jinkeyuan special material Co.,Ltd. Address before: 212003, No. 2, Mengxi Road, Zhenjiang, Jiangsu Patentee before: ZHENJIANG SIYANG SPECIAL METAL MATERIAL MANUFACTURING Co.,Ltd. |