CN105936983A - High-strength and high-conductivity copper alloy material - Google Patents
High-strength and high-conductivity copper alloy material Download PDFInfo
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- CN105936983A CN105936983A CN201610484772.6A CN201610484772A CN105936983A CN 105936983 A CN105936983 A CN 105936983A CN 201610484772 A CN201610484772 A CN 201610484772A CN 105936983 A CN105936983 A CN 105936983A
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C9/00—Alloys based on copper
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
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Abstract
The invention discloses a high-strength and high-conductivity copper alloy material. A high-strength and high-conductivity copper alloy comprises 0.6 wt%-0.8 wt% of Cr, 0.06 wt%-0.08 wt% of Be, 0.18 wt%-0.2 wt% of Ni, 0.03 wt%-0.04 wt% of Si, 0.08%-0.1 wt% of Zn, 1.3 wt%-1.5 wt% of Ag and the balance Cu. On component design, an alloy element is selected to be added in the copper alloy material, wherein the influence on the electric conduction capability of the copper alloy is very small when the content of the alloy element is small; on the premise that the electric conduction performance of a copper alloy base body is guaranteed, solution strengthening, age hardening and other factors of the copper alloy are comprehensively considered, and grain refinement of an alloy phase is facilitated; under the condition that it is guaranteed that the electric conduction performance of the copper alloy material is not reduced, the mechanical performance of the copper alloy is greatly improved, and the problem of the contradiction between the strength and electric conductivity of a high-strength and high-conductivity copper alloy base body is effectively solved; and meanwhile good high-temperature resisting performance is achieved, and heat stability is good.
Description
Technical field
The present invention relates to copper alloy processing technique field, be specifically related to a kind of copper alloy with high strength and high conductivity material.
Background technology
The copper alloy with high intensity and high conductivity is also called copper alloy with high strength and high conductivity.Copper alloy with high strength and high conductivity exists
Developing rapidly of the industries such as Aero-Space, bullet train, electronic information, has opened up more for high-end copper alloy products
For wide application.High strength and high conductivity copper alloy is widely used in integrated electricity because of its good combination property
The field such as road, high-voltage switch gear, the application of current copper alloy with high strength and high conductivity material concentrate on high-speed train contact wire,
The many aspects such as integrated circuit lead frame, will send out in nuclear power end ring, Electromagnetic Launching guide rail, aviation future
The aspects such as motivation have huge application potential.20 century 70s, developed countries has had begun to right
The research of high strength and high conductivity copper alloy, develops multiple series and meets the high property copper alloy product of different demand, day
This and more American-European countries have become as the topmost production of copper alloy with high strength and high conductivity, exporting country.Along with China
The development of the industry such as high-speed railway, long-distance transmission, the domestic demand to copper alloy with high strength and high conductivity also can get more and more,
The most domestic demand to copper alloy with high strength and high conductivity relies primarily on import.
The intensity of copper alloy and conductivity are the existence of conflict, close no matter using which kind of method to improve copper
The intensity of gold, its conductivity all can have a certain degree of decline, and the copper alloy manufacturing high-strength highly-conductive has technically
Great difficulty.Research and development copper alloy with high strength and high conductivity needs from many-sides such as the design of copper alloy composition, design and manufacture technology
Carry out technical research innovation, the therefore research of conducting copper design of alloy, seek the copper alloy of a kind of appropriate component
Material, on the premise of not reducing Cu alloy material electric conductivity, improves its intensity, with reach electric conductivity and
Intensity good fit, is the primary work of copper alloy with high strength and high conductivity research and development, is to carry out follow-up every research work
Basis.
Summary of the invention
The problem existed for prior art, the present invention provides a kind of copper alloy with high strength and high conductivity material.With common
Cu alloy material is compared, and copper alloy with high strength and high conductivity material of the present invention is having high intensity simultaneously, also has stronger
Electric conductivity, when tensile strength 520MPa of copper alloy with high strength and high conductivity material, its conductivity remains to be maintained at
80%IACS～85%IACS, additionally, also have excellent resistance to elevated temperatures, Heat stability is good.
The technical solution used in the present invention is:
A kind of copper alloy with high strength and high conductivity material, described copper alloy with high strength and high conductivity material consists of the following composition: Cr
0.6～0.8wt%, Be 0.06～0.08wt%, Ni 0.18～0.2wt%, Si 0.03～0.04wt%, Zn 0.08～
0.1wt%, Ag 1.3～1.5wt%, surplus are Cu.
According to above-mentioned copper alloy with high strength and high conductivity material, described copper alloy with high strength and high conductivity material is by following component group
Become: Cr 0.8wt%, Be 0.08wt%, Ni 0.2wt%, Si 0.04wt%, Zn 0.1wt%, Ag 1.5wt%,
Surplus is Cu.
According to above-mentioned copper alloy with high strength and high conductivity material, the described preferred preparation method of copper alloy with high strength and high conductivity material
Comprise the following steps:
(1) melting: the one-tenth of the copper alloy with high strength and high conductivity material as described in claims 1 is grouped into joins
Material, puts into smelting furnace, 1150 DEG C～1200 DEG C of meltings 30～60min, then carries out refine slagging-off after mixing,
Standing, gas removal, obtains the copper alloy solution that composition is uniform and stable；
(2) casting: copper alloy solution is cast as cross section under conditions of temperature is 1130 DEG C～1150 DEG C
The copper alloy casting ingot of a diameter of 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper
Alloy cast ingot carries out sensing heating, and the temperature being heated to copper alloy casting ingot is 950 DEG C～1000 DEG C, insulation
10～12min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature
Under conditions of being 930 DEG C～950 DEG C, copper alloy casting ingot is squeezed into the copper that cross-sectional diameter is 72～75mm
Alloy profile；
(5) waste heat solid solution: the copper alloy section bar that step (4) obtains is put in water immediately and quickly cools down,
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3
Secondary cold-drawn, all carries out an Ageing Treatment after each cold-drawn；Wherein, the working modulus of cold-drawn for the first time be 10～
12%, the working modulus of cold-drawn for the second time is 5～6%, and the working modulus of cold-drawn for the third time is 5～6%；Described timeliness
Process is that at 470 DEG C～490 DEG C, copper alloy section bar is incubated 3～4h；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment
And packaging, i.e. obtain copper alloy with high strength and high conductivity material.
What the present invention obtained actively has the beneficial effect that
(1) copper alloy with high strength and high conductivity material of the present invention constituent design on, select add low content time pair
The alloying element that the impact of copper alloy conductive capability is the least, on the premise of ensureing copper alloy matrix electric conductivity, combines
Conjunction considers the factors such as copper alloy solution strengthening and age-hardening, and multiple alloying element produces phase inside Copper substrate
Interference effect mutually, prevents similar element aggregation from forming segregation, the formation of prevention major diameter copper alloy phase, is conducive to
Alloy phase crystal grain refines, it is possible in the case of ensureing not reduce Cu alloy material electric conductivity, increase substantially
Copper alloy mechanical property, the problem efficiently solving copper alloy with high strength and high conductivity matrix strength and conductivity contradiction；
Therefore, compared with common Cu alloy material, copper alloy with high strength and high conductivity material prepared by the present invention have high-strength
Degree simultaneously, also has stronger electric conductivity；And it is actually detected it was also found that copper alloy with high strength and high conductivity of the present invention
During tensile strength 520MPa of material, its conductivity remains to be maintained at 80%IACS～85%IACS, and general
When the tensile strength of logical Cu alloy material is 450MPa, its conductivity only has 60%IACS～65%IACS.
(2) copper alloy with high strength and high conductivity material of the present invention also has an excellent resistance to elevated temperatures, Heat stability is good,
Efficiently solve copper alloy with high strength and high conductivity material at high temperature intensity difference, poor heat stability, yielding problem；
And, actually detected discovery, the Cu alloy material of the present invention is increased to 550 DEG C in temperature, and its tensile strength is still
Can reach 520MPa, its conductivity can be maintained at 80%IACS～85%IACS；And common high-strength high-conductivity copper
Alloy material, such as common Cu-Ni-Si alloy, during room temperature, tensile strength reaches 800MPa, and conductivity is only
About 40%IACS, when temperature is more than 300 DEG C, its intensity reduces rapidly, starts to soften.
(3) copper alloy with high strength and high conductivity material of the present invention selects point echelon cold-drawn and an Ageing Treatment in preparation method,
Make copper alloying element separate out along different paths when Precipitation, make precipitation alloying element on Copper substrate crystal boundary
Becoming disperse to be uniformly distributed, therefore, while improving copper alloy matrix intensity, beneficially copper alloy phase crystal grain is thin
Change, reduce stress and concentrate, improve its conductive capability, efficiently solve high-intensity high-conductivity copper alloy matrix strength
Contradiction with conductivity.
(4) copper alloy with high strength and high conductivity material of the present invention selects to take solution strengthening in preparation method is main, with
Cold-draw Hardening is that auxiliary means are to improve the intensity of copper alloy so that alloying element is solid-solution in copper intra-die, closes
The distortion of lattice that gold element produces is concentrated mainly on around alloy atom, and the distribution of distortion of lattice is relative to cold working
Hardening ratio is relatively decentralized, lack of homogeneity, less, it is thereby achieved that copper alloy has high-strength on conductive capability impact
When spending, remain to keep high conductive capability.
(5) the performance parameter testing result of the copper alloy with high strength and high conductivity material of the present invention is shown in Table 1, can by table 1
Knowing, copper alloy with high strength and high conductivity material prepared by the present invention is having high intensity simultaneously, also has stronger electric conductivity
Energy.
The performance parameter testing result of table 1 copper alloy with high strength and high conductivity of the present invention material
| Performance parameter | Test result |
| Tensile strength | 520MPa～560MPa |
| Yield strength | 400MPa～430MPa |
| Percentage elongation | 10%～13% |
| Hardness | HB200～HB260 |
| Conductivity | 80%IACS～85%IACS |
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail, but is not limiting as the present invention's
Protection domain.
Embodiment 1:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
Be grouped into: Cr 0.8wt%, Be 0.08wt%, Ni 0.2wt%, Si 0.04wt%, Zn 0.1wt%, Ag 1.5wt%,
Surplus is Cu.
Embodiment 2:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
It is grouped into: Cr 0.6wt%, Be 0.07wt%, Ni 0.18wt%, Si 0.03wt%, Zn 0.09wt%, Ag
1.4wt%, surplus are Cu.
Embodiment 3:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
It is grouped into: Cr 0.7wt%, Be 0.06wt%, Ni 0.19wt%, Si 0.04wt%, Zn 0.08wt%, Ag
1.3wt%, surplus are Cu.
Embodiment 4:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
Be grouped into: Cr 0.6wt%, Be 0.08wt%, Ni 0.2wt%, Si 0.04wt%, Zn 0.1wt%, Ag 1.5wt%,
Surplus is Cu.
Embodiment 5:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
It is grouped into: Cr 0.8wt%, Be 0.06wt%, Ni 0.18wt%, Si 0.03wt%, Zn 0.08wt%, Ag
1.3wt%, surplus are Cu.
Embodiment 6:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
Be grouped into: Cr 0.8wt%, Be 0.07wt%, Ni 0.19wt%, Si 0.04wt%, Zn 0.1wt%, Ag 1.4wt%,
Surplus is Cu.
Embodiment 7:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
It is grouped into: Cr 0.6wt%, Be 0.06wt%, Ni 0.18wt%, Si 0.03wt%, Zn 0.08wt%, Ag
1.3wt%, surplus are Cu.
Embodiment 8:
A kind of copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
Be grouped into: Cr 0.7wt%, Be 0.08wt%, Ni 0.18wt%, Si 0.03wt%, Zn 0.1wt%, Ag 1.4wt%,
Surplus is Cu.
Embodiment 9:
One of preparation method of copper alloy with high strength and high conductivity material that one of above-described embodiment 1～8 is the most described, bag
Include following steps:
(1) melting: be grouped into by the one-tenth of copper alloy with high strength and high conductivity material and carry out dispensing, put into melting after mixing
Stove, at 1150 DEG C of melting 60min, then carries out refine slagging-off, standing, gas removal, obtains composition uniform and stable
Copper alloy solution；
(2) casting: copper alloy solution is cast as under conditions of temperature is 1130 DEG C cross-sectional diameter is
The copper alloy casting ingot of 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper
Alloy cast ingot carries out sensing heating, and the temperature being heated to copper alloy casting ingot is 950 DEG C, is incubated 12min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature
Under conditions of being 930 DEG C, copper alloy casting ingot is squeezed into the copper alloy section bar that cross-sectional diameter is 72mm；
(5) waste heat solid solution: the copper alloy section bar that step (4) obtains is put in water immediately and quickly cools down,
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3
Secondary cold-drawn, all carries out an Ageing Treatment after each cold-drawn；Wherein, the working modulus of cold-drawn for the first time is 10%,
The working modulus of cold-drawn for the second time is 5%, and the working modulus of cold-drawn for the third time is 6%；Described Ageing Treatment is by copper
Alloy profile is incubated 3～4h at 470 DEG C；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment
And packaging, i.e. obtain copper alloy with high strength and high conductivity material.
Embodiment 10:
The two of the preparation method of the copper alloy with high strength and high conductivity material that one of above-described embodiment 1～8 is the most described, bag
Include following steps:
(1) melting: be grouped into by the one-tenth of copper alloy with high strength and high conductivity material and carry out dispensing, put into melting after mixing
Stove, at 1200 DEG C of melting 30min, then carries out refine slagging-off, standing, gas removal, obtains composition uniform and stable
Copper alloy solution；
(2) casting: copper alloy solution is cast as under conditions of temperature is 1150 DEG C cross-sectional diameter is
The copper alloy casting ingot of 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper
Alloy cast ingot carries out sensing heating, and the temperature being heated to copper alloy casting ingot is 1000 DEG C, is incubated 10min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature
Under conditions of being 950 DEG C, copper alloy casting ingot is squeezed into the copper alloy section bar that cross-sectional diameter is 75mm；
(5) waste heat solid solution: the copper alloy section bar that step (4) obtains is put in water immediately and quickly cools down,
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3
Secondary cold-drawn, all carries out an Ageing Treatment after each cold-drawn；Wherein, the working modulus of cold-drawn for the first time is 12%,
The working modulus of cold-drawn for the second time is 6%, and the working modulus of cold-drawn for the third time is 6%；Described Ageing Treatment is by copper
Alloy profile is incubated 3～4h at 490 DEG C；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment
And packaging, i.e. obtain copper alloy with high strength and high conductivity material.
Embodiment 11:
The three of the preparation method of the copper alloy with high strength and high conductivity material that one of above-described embodiment 1～8 is the most described, bag
Include following steps:
(1) melting: be grouped into by the one-tenth of copper alloy with high strength and high conductivity material and carry out dispensing, put into melting after mixing
Stove, at 1180 DEG C of melting 50min, then carries out refine slagging-off, standing, gas removal, obtains composition uniform and stable
Copper alloy solution；
(2) casting: copper alloy solution is cast as under conditions of temperature is 1140 DEG C cross-sectional diameter is
The copper alloy casting ingot of 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper
Alloy cast ingot carries out sensing heating, and the temperature being heated to copper alloy casting ingot is 980 DEG C, is incubated 12min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature
Under conditions of being 940 DEG C, copper alloy casting ingot is squeezed into the copper alloy section bar that cross-sectional diameter is 74mm；
(5) waste heat solid solution: the copper alloy section bar that step (4) obtains is put in water immediately and quickly cools down,
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3
Secondary cold-drawn, all carries out an Ageing Treatment after each cold-drawn；Wherein, the working modulus of cold-drawn for the first time is 11%,
The working modulus of cold-drawn for the second time is 5%, and the working modulus of cold-drawn for the third time is 5%；Described Ageing Treatment is by copper
Alloy profile is incubated 3～4h at 480 DEG C；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment
And packaging, i.e. obtain copper alloy with high strength and high conductivity material.
Embodiment 12:
The four of the preparation method of the copper alloy with high strength and high conductivity material that one of above-described embodiment 1～8 is the most described, bag
Include following steps:
(1) melting: be grouped into by the one-tenth of copper alloy with high strength and high conductivity material and carry out dispensing, put into melting after mixing
Stove, at 1200 DEG C of melting 60min, then carries out refine slagging-off, standing, gas removal, obtains composition uniform and stable
Copper alloy solution；
(2) casting: copper alloy solution is cast as under conditions of temperature is 1130 DEG C cross-sectional diameter is
The copper alloy casting ingot of 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper
Alloy cast ingot carries out sensing heating, and the temperature being heated to copper alloy casting ingot is 960 DEG C, is incubated 11min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature
Under conditions of being 930 DEG C, copper alloy casting ingot is squeezed into the copper alloy section bar that cross-sectional diameter is 73mm；
(5) waste heat solid solution: the copper alloy section bar that step (4) obtains is put in water immediately and quickly cools down,
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3
Secondary cold-drawn, all carries out an Ageing Treatment after each cold-drawn；Wherein, the working modulus of cold-drawn for the first time is 12%,
The working modulus of cold-drawn for the second time is 6%, and the working modulus of cold-drawn for the third time is 5%；Described Ageing Treatment is by copper
Alloy profile is incubated 3～4h at 470 DEG C；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment
And packaging, i.e. obtain copper alloy with high strength and high conductivity material.
Embodiment 13:
The five of the preparation method of the copper alloy with high strength and high conductivity material that one of above-described embodiment 1～8 is the most described, bag
Include following steps:
(1) melting: be grouped into by the one-tenth of copper alloy with high strength and high conductivity material and carry out dispensing, put into melting after mixing
Stove, at 1160 DEG C of melting 40min, then carries out refine slagging-off, standing, gas removal, obtains composition uniform and stable
Copper alloy solution；
(2) casting: copper alloy solution is cast as under conditions of temperature is 1150 DEG C cross-sectional diameter is
The copper alloy casting ingot of 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper
Alloy cast ingot carries out sensing heating, and the temperature being heated to copper alloy casting ingot is 1000 DEG C, is incubated 10min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature
Under conditions of being 940 DEG C, copper alloy casting ingot is squeezed into the copper alloy section bar that cross-sectional diameter is 75mm；
(5) waste heat solid solution: the copper alloy section bar that step (4) obtains is put in water immediately and quickly cools down,
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3
Secondary cold-drawn, all carries out an Ageing Treatment after each cold-drawn；Wherein, the working modulus of cold-drawn for the first time is 10%,
The working modulus of cold-drawn for the second time is 6%, and the working modulus of cold-drawn for the third time is 6%；Described Ageing Treatment is by copper
Alloy profile is incubated 3～4h at 480 DEG C；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment
And packaging, i.e. obtain copper alloy with high strength and high conductivity material.
Claims (3)
1. a copper alloy with high strength and high conductivity material, it is characterised in that described copper alloy with high strength and high conductivity material is by following one-tenth
It is grouped into: Cr 0.6～0.8wt%, Be 0.06～0.08wt%, Ni 0.18～0.2wt%, Si 0.03～0.04wt%,
Zn 0.08～0.1wt%, Ag 1.3～1.5wt%, surplus are Cu.
Copper alloy with high strength and high conductivity material the most according to claim 1, it is characterised in that described high-strength high-conductivity copper
Alloy material consists of the following composition: Cr 0.8wt%, Be 0.08wt%, Ni 0.2wt%, Si 0.04wt%,
Zn 0.1wt%, Ag 1.5wt%, surplus are Cu.
Copper alloy with high strength and high conductivity material the most according to claim 1, it is characterised in that described high-strength high-conductivity copper
The preparation method of alloy material comprises the following steps:
(1) melting: the one-tenth of the copper alloy with high strength and high conductivity material as described in claims 1 is grouped into and carries out dispensing,
Put into smelting furnace after mixing, 1150 DEG C～1200 DEG C of meltings 30～60min, then carry out refine slagging-off, quiet
Put degasification, obtain the copper alloy solution that composition is uniform and stable；
(2) casting: copper alloy solution is cast as cross-sectional diameter under conditions of temperature is 1130 DEG C～1150 DEG C
Copper alloy casting ingot for 245mm～250mm；
(3) sensing heating: put into by copper alloy casting ingot inside induction apparatus, connects medium frequency induction power supply, to copper alloy
Ingot casting carry out sensing heating, the temperature being heated to copper alloy casting ingot is 950 DEG C～1000 DEG C, insulation 10～
12min；
(4) hot extrusion: the copper alloy casting ingot after step (3) processes is put in extruder, in temperature is
Under conditions of 930 DEG C～950 DEG C, copper alloy casting ingot is squeezed into the copper alloy that cross-sectional diameter is 72～75mm
Section bar；
(5) waste heat solid solution: put in water immediately by the copper alloy section bar that step (4) obtains and quickly cool down, will
The temperature of copper alloy section bar is cooled to room temperature；
(6) point echelon cold-drawn and Ageing Treatment: the copper alloy section bar obtaining step (5) carries out continuous 3 cold-drawns,
All carry out an Ageing Treatment after cold-drawn every time；Wherein, the working modulus of cold-drawn for the first time is 10～12%, second
The working modulus of secondary cold-drawn is 5～6%, and the working modulus of cold-drawn for the third time is 5～6%；Described Ageing Treatment be by
Copper alloy section bar is incubated 3～4h at 470 DEG C～490 DEG C；
(7) carry out aligning by the copper alloy section bar after step (6) processes, machining, preservative treatment and bag
Dress, i.e. obtains copper alloy with high strength and high conductivity material.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739883A (en) * | 2017-11-06 | 2018-02-27 | 江苏科技大学 | Cu Ni Be alloy thermo-mechanical processi reinforcement process |
| CN113046594A (en) * | 2021-03-11 | 2021-06-29 | 郑州大学 | High-strength high-thermal-conductivity copper alloy material roller sleeve and preparation method thereof |
| CN113234959A (en) * | 2021-05-18 | 2021-08-10 | 中国科学院宁波材料技术与工程研究所 | Multi-element composite microalloyed high-strength high-conductivity copper alloy material and preparation method thereof |
| CN113684393A (en) * | 2020-05-22 | 2021-11-23 | 信承瑞技术有限公司 | Preparation process of high-strength high-conductivity copper-selenium alloy contact wire |
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| JPS59156549A (en) * | 1983-02-23 | 1984-09-05 | Sumitomo Electric Ind Ltd | Production of fine copper alloy wire |
| TW200506073A (en) * | 2003-02-05 | 2005-02-16 | Sumitomo Metal Ind | Cu alloy and method for production thereof |
| CN102534291A (en) * | 2010-12-09 | 2012-07-04 | 北京有色金属研究总院 | CuCrZr alloy with high strength and high conductivity, and preparation and processing method thereof |
| 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 |
-
2016
- 2016-06-24 CN CN201610484772.6A patent/CN105936983B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156549A (en) * | 1983-02-23 | 1984-09-05 | Sumitomo Electric Ind Ltd | Production of fine copper alloy wire |
| TW200506073A (en) * | 2003-02-05 | 2005-02-16 | Sumitomo Metal Ind | Cu alloy and method for production thereof |
| CN102534291A (en) * | 2010-12-09 | 2012-07-04 | 北京有色金属研究总院 | CuCrZr alloy with high strength and high conductivity, and preparation and processing method thereof |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739883A (en) * | 2017-11-06 | 2018-02-27 | 江苏科技大学 | Cu Ni Be alloy thermo-mechanical processi reinforcement process |
| CN113684393A (en) * | 2020-05-22 | 2021-11-23 | 信承瑞技术有限公司 | Preparation process of high-strength high-conductivity copper-selenium alloy contact wire |
| CN113046594A (en) * | 2021-03-11 | 2021-06-29 | 郑州大学 | High-strength high-thermal-conductivity copper alloy material roller sleeve and preparation method thereof |
| 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 |
| CN113234959A (en) * | 2021-05-18 | 2021-08-10 | 中国科学院宁波材料技术与工程研究所 | Multi-element composite microalloyed high-strength high-conductivity copper alloy material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN105936983B (en) | 2017-11-03 |
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