CN107794402A - A kind of preparation method of copper alloy with high strength and high conductivity wire rod - Google Patents
A kind of preparation method of copper alloy with high strength and high conductivity wire rod Download PDFInfo
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- CN107794402A CN107794402A CN201711003841.8A CN201711003841A CN107794402A CN 107794402 A CN107794402 A CN 107794402A CN 201711003841 A CN201711003841 A CN 201711003841A CN 107794402 A CN107794402 A CN 107794402A
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- copper alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
A kind of copper alloy with high strength and high conductivity wire rod, the copper alloy with high strength and high conductivity wire quality percentage composition are：Ag0.1~40%, Au 0.0001~0.05%, surplus are copper and inevitable impurity.The method for preparing above-mentioned copper alloy with high strength and high conductivity wire rod：Prepare copper alloy：Copper, silver, gold are put into vacuum melting furnace, by three kinds of metal moltens and are incubated under vacuum conditions, then vacuum cooled；Prepare copper alloy bar：The alloy prepared is put into progress vacuum continuous casting in vacuum continuous casting furnace, is casting continuously to form copper alloy bar；Wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing.Beneficial effects of the present invention：(1) preparation technology is easily operated, feasible, production cost is low, suitable for the production of small batch copper alloy with high strength and high conductivity wire rod.(2) this copper alloy with high strength and high conductivity wire rod greatly improve tension it is strong while ensure that very high conductance, extensibility is very good easily to be drawn and attenuated, and can be drawn into 0.03mm superfine wire, and has good resistance to flexibility and temperature tolerance.
Description
Technical field
The present invention relates to a kind of preparation method of copper alloy with high strength and high conductivity wire rod, belong to copper alloy manufacturing field.
Background technology
The most significant feature of copper is conductance height, is preferable conductive material, but due to intensity, hardness and softening temperature
Too low, its combination property can not meet the scientific and technical growing particular/special requirement to material.With science and technology and now
For industrial expansion, rotor wire, the Large Electric locomotive of lead, large high-speed turbogenerator in large scale integrated circuit
Aerial condutor, medical wire rod, vibrations device wire rod, electronics glass-coated microwire and aerospace vehicle component etc. will conductor material
Material is while holding excellent conductive capability itself, with more higher intensity and good plasticity.Therefore, people are constantly visiting
Rigging has the functional material of excellent comprehensive physical performance and mechanical property --- copper alloy with high strength and high conductivity wire rod.High-strength high-conductivity copper
Alloy has excellent performance：1st, high conductivity, high-termal conductivity；2nd, diamagnetism；3rd, higher mechanical performance and plasticity；4th, preferably
Corrosion resistance.
The subject matter that copper alloy with high strength and high conductivity wire rod faces at present is exactly to exist between the intensity of copper alloy and conductance
Mutually contradictory relation, it is difficult to take into account each other.No matter being made using which kind of mode after copper alloy intensity gets a promotion, it leads
Electric rate necessarily has decline to a certain degree；Similarly, after the conductance of copper alloy is improved, its alloy strength is also inevitable
It can decline therewith.Therefore, the basic ideas that copper alloy is strengthened are raisings that to the greatest extent can be high on the basis of original high conductivity is kept
The intensity of Cu alloy material, ensure to carry to greatest extent while low-alloyed electric conductivity is dropped in the range of very little as far as possible
The intensity of copper master alloy material, with this come the contradiction between solving between copper alloy intensity and conductance.Combination property is most at present
Good copper alloy with high strength and high conductivity wire rod is yellow gold wire rod.
The content of the invention
The present invention in view of the deficienciess of the prior art, provide a kind of preparation method of copper alloy with high strength and high conductivity wire rod, this
Alloy is copper, silver, the ternary series copper alloy of gold, outside the advantages that not only inheriting high-strength yellow gold, resistance to flexion, high temperature resistant also very
Good solves the problems, such as that conductance and intensity are shifting.Under identical tensile strength, the conductance of this alloy compares silver-bearing copper
Alloy is higher, solves the problems, such as that existing intensity and conductance are difficult to take into account.
The technical scheme one that the present invention solves above-mentioned technical problem is as follows：A kind of copper alloy with high strength and high conductivity wire rod, this is high-strength
High-conductivity copper alloy wire quality percentage composition is：Ag 0.1~40%, Au 0.0001~0.05%, surplus are copper and can not kept away
The impurity exempted from.
The technical scheme two that the present invention solves above-mentioned technical problem is as follows：Prepare above-mentioned copper alloy with high strength and high conductivity wire rod
Method, comprise the following steps：(1) copper alloy is prepared：Copper, silver, gold are put into vacuum melting furnace, under vacuum conditions by three kinds
Metal molten is simultaneously incubated, then vacuum cooled；(2) copper alloy bar is prepared：The alloy prepared is put into vacuum continuous casting furnace
Row vacuum continuous casting, is casting continuously to form copper alloy bar,；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, drawing process
In draw attenuate from direction all the time, so as to ensure that grainiess inside Cu alloy material and direction are not changed.
The present invention is further arranged to, and in step (1), is incubated at least 2 hours.
The present invention is further arranged to, in step (2), vacuum in vacuum continuous casting furnace be higher than 1.5 × 10-2Pa,
The temperature of vacuum melting furnace is 1000~1300 DEG C, is incubated more than 2 hours.
The present invention is further arranged to, and in step (2), vacuum continuous casting is carried out with 1~100mm/min speed.
The present invention is further arranged to, in step (2), a diameter of 3~30mm of copper alloy bar.
The present invention is further arranged to, in step (3), according to the diameter of initial copper alloy bar and the wire rod finally needed
Line footpath, one is carried out in drawing process and to be more than for the elongation percentage of copper alloy wire to intermediate annealing three times, intermediate annealing
5%.
The present invention is further arranged to, in step (3), drawing speed 10-1500m/min.
In summary, the invention has the advantages that：
(1) preparation technology is easily operated, feasible, production cost is low, suitable for small batch copper alloy with high strength and high conductivity wire rod
Production.
(2) the copper alloy with high strength and high conductivity wire rod prepared using the technique tensile strength in the elongation percentage more than 10% is more than
320MPa and conductance are more than 94%, and there is good flexibility, relation no-float, and service life to grow.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Embodiment 1
The method for preparing copper alloy with high strength and high conductivity wire rod, comprises the following steps：(1) copper alloy is prepared：By mass percent
0.6% silver, 0.0005% part of gold and surplus are that copper and inevitable impurity are put into vacuum melting furnace, in vacuum environment
It is lower that three kinds of metal moltens are stirred and are incubated at least 2 hours, then vacuum cooled；(2) copper alloy bar is prepared：The conjunction that will be prepared
Gold, which is put into vacuum continuous casting furnace, carries out vacuum continuous casting, and the vacuum in vacuum continuous casting furnace is higher than 1.5 × 10-2Pa, vacuum environment
It is lower that furnace temperature is risen to 1050 DEG C, vacuum continuous casting is carried out with 5mm/min speed after being incubated 5 hours, is casting continuously to form a diameter of 16mm's
Copper alloy bar；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, the drawing speed from 16mm to 6mm is 10m/
Min, reducing rate 10%；Online through carrying out intermediate annealing during 6mm, the elongation percentage of wire rod is 18% after annealing；From 6mm to 3mm
Drawing speed be 30m/min, reducing rate 12%；Drawing speed from 3mm to 0.9mm is 200m/min, and reducing rate is
15%；Online through carrying out intermediate annealing during 0.9mm, the elongation percentage of wire rod is 12% after annealing；Wire drawing from 0.9mm to 0.1mm
Speed is 800m/min, reducing rate 12%；Online through carrying out intermediate annealing during 0.1mm, the elongation percentage of wire rod is after annealing
16%；Drawing speed from 0.1mm to 0.03mm is 800m/min, reducing rate 8%；0.03mm wire rods are after exact annealing process
Performance is that tensile strength is 335MPa, conductance 99.9%IACS, elongation percentage 13%.
Embodiment 2
The method for preparing copper alloy with high strength and high conductivity wire rod, comprises the following steps：(1) copper alloy is prepared：By mass percent
2% silver, 0.002% part of gold and surplus are that copper and inevitable impurity are put into vacuum melting furnace, under vacuum conditions
Three kinds of metal moltens are stirred and are incubated at least 2 hours, then vacuum cooled；(2) copper alloy bar is prepared：The alloy that will be prepared
It is put into vacuum continuous casting furnace progress vacuum continuous casting, the vacuum in vacuum continuous casting furnace is higher than 1.5 × 10-2Pa, under vacuum environment
Furnace temperature is risen to 1180 DEG C, vacuum continuous casting is carried out with 10mm/min speed after being incubated 5 hours, is casting continuously to form a diameter of 12mm copper
Rod of metal alloy；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, the drawing speed from 12mm to 3mm is 30m/
Min, reducing rate 10%；Online through carrying out intermediate annealing during 3mm, the elongation percentage of wire rod is 15% after annealing；From 3mm to
0.9mm drawing speed is 200m/min, reducing rate 15%；Drawing speed from 0.9mm to 0.3mm is 800m/min, is subtracted
Footpath rate is 12%；Online through carrying out intermediate annealing during 0.3mm, the elongation percentage of wire rod is 10% after annealing；From 0.3mm to 0.06mm
Drawing speed be 1000m/min, reducing rate 10%；0.06mm wire rods performance after exact annealing process is that tensile strength is
382MPa, conductance 97.6%IACS, elongation percentage 12%.
Embodiment 3
The method for preparing copper alloy with high strength and high conductivity wire rod, comprises the following steps：(1) copper alloy is prepared：By mass percent
4% silver, 0.003% part of gold and surplus are that copper and inevitable impurity are put into vacuum melting furnace, under vacuum conditions
Three kinds of metal moltens are stirred and are incubated at least 2 hours, then vacuum cooled；(2) copper alloy bar is prepared：The alloy that will be prepared
It is put into vacuum continuous casting furnace progress vacuum continuous casting, the vacuum in vacuum continuous casting furnace is higher than 1.5 × 10-2Pa, under vacuum environment
Furnace temperature is risen to 1220 DEG C, vacuum continuous casting is carried out with 40mm/min speed after being incubated 5 hours, is casting continuously to form a diameter of 6mm copper
Rod of metal alloy；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, the drawing speed from 6mm to 3mm is 20m/
Min, reducing rate 10%；Drawing speed from 3mm to 0.9mm is 200m/min, reducing rate 15%；When online through 0.9mm
Intermediate annealing is carried out, the elongation percentage of wire rod is 12% after annealing；Drawing speed from 0.9mm to 0.08mm is 1000m/min, is subtracted
Footpath rate is 12%；0.08mm wire rods performance after exact annealing process is that tensile strength is 425MPa, conductance 95.6%IACS,
Elongation percentage is 13%.
Embodiment 4
The method for preparing copper alloy with high strength and high conductivity wire rod, comprises the following steps：(1) copper alloy is prepared：By mass percent
20% silver, 0.005% part of gold and surplus are that copper and inevitable impurity are put into vacuum melting furnace, under vacuum conditions
Three kinds of metal moltens are stirred and are incubated at least 2 hours, then vacuum cooled；(2) copper alloy bar is prepared：The alloy that will be prepared
It is put into vacuum continuous casting furnace progress vacuum continuous casting, the vacuum in vacuum continuous casting furnace is higher than 1.5 × 10-2Pa, under vacuum environment
Furnace temperature is risen to 1160 DEG C, vacuum continuous casting is carried out with 20mm/min speed after being incubated 5 hours, is casting continuously to form a diameter of 8mm copper
Rod of metal alloy；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, the drawing speed from 8mm to 3mm is 50m/
Min, reducing rate 10%；Drawing speed from 3mm to 0.9mm is 200m/min, reducing rate 15%；When online through 0.9mm
Intermediate annealing is carried out, the elongation percentage of wire rod is 20% after annealing；Drawing speed from 0.9mm to 0.1mm is 1000m/min, is subtracted
Footpath rate is 12%；0.1mm wire rods performance after exact annealing process is that tensile strength is 483MPa, conductance 94.8%IACS,
Elongation percentage is 12%.
Embodiment 5
The method for preparing copper alloy with high strength and high conductivity wire rod, comprises the following steps：(1) copper alloy is prepared：By mass percent
40% silver, 0.01% part of gold and surplus are that copper and inevitable impurity are put into vacuum melting furnace, under vacuum conditions
Three kinds of metal moltens are stirred and are incubated at least 2 hours, then vacuum cooled；(2) copper alloy bar is prepared：The alloy that will be prepared
It is put into vacuum continuous casting furnace progress vacuum continuous casting, the vacuum in vacuum continuous casting furnace is higher than 1.5 × 10-2Pa, under vacuum environment
Furnace temperature is risen to 1300 DEG C, vacuum continuous casting is carried out with 100mm/min speed after being incubated 5 hours, is casting continuously to form a diameter of 28mm's
Copper alloy bar；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, the drawing speed from 28mm to 8mm is 50m/
Min, reducing rate 10%；Drawing speed from 8mm to 3mm is 200m/min, reducing rate 15%；Online through being carried out during 3mm
Intermediate annealing, the elongation percentage of wire rod is 20% after annealing；Drawing speed from 3mm to 0.1mm is 1500m/min, and reducing rate is
12%；0.1mm wire rods performance after exact annealing process is that tensile strength is 543MPa, conductance 94.2%IACS, elongation percentage
For 10%.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (8)
1. a kind of copper alloy with high strength and high conductivity wire rod, it is characterised in that the copper alloy with high strength and high conductivity wire quality percentage composition is：Ag
0.1~40%, Au 0.0001~0.05%, surplus are copper and inevitable impurity.
2. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 1, it is characterised in that including following step
Suddenly：(1) copper alloy is prepared：Copper, silver, gold are put into vacuum melting furnace, under vacuum conditions by three kinds of metal moltens, stirring simultaneously
It is incubated, then vacuum cooled；(2) copper alloy bar is prepared：The alloy prepared is put into progress vacuum continuous casting in vacuum continuous casting furnace,
It is casting continuously to form copper alloy bar；(3) wire drawing：The copper alloy bar prepared is subjected to one direction wire drawing, all the time from one in drawing process
Direction, which is drawn, to attenuate.
3. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 2, it is characterised in that in step (1),
Insulation at least 2 hours.
4. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 2, it is characterised in that in step (2),
Vacuum in vacuum continuous casting furnace is higher than 1.5 × 10-2Pa, the temperature of vacuum melting furnace is 1000~1300 DEG C, is incubated 2 hours
More than.
5. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 2, it is characterised in that in step (2),
Vacuum continuous casting is carried out with 1~100mm/min speed.
6. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 2, it is characterised in that in step (2),
A diameter of 3~30mm of copper alloy bar.
7. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 2, it is characterised in that in step (3),
One is carried out in drawing process causes the elongation percentage of copper alloy wire to be more than 5% to intermediate annealing three times, intermediate annealing.
8. the preparation method of copper alloy with high strength and high conductivity wire rod according to claim 2, it is characterised in that in step (3),
Drawing speed is 10-1500m/min.
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| CN201711003841.8A CN107794402A (en) | 2017-10-24 | 2017-10-24 | A kind of preparation method of copper alloy with high strength and high conductivity wire rod |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913937A (en) * | 2018-06-13 | 2018-11-30 | 深圳市顺源祥和实业有限公司 | Alloy cathode copper and its production technology |
| CN110026443A (en) * | 2019-05-31 | 2019-07-19 | 永康卡梅新材料有限公司 | Based on cloth, welding and net is integrated out mesh sheet welding composite tooling |
| CN111118320A (en) * | 2019-12-19 | 2020-05-08 | 河南理工大学 | Tantalum-containing copper alloy wire/strip and preparation method thereof |
| CN112030030A (en) * | 2020-08-06 | 2020-12-04 | 国网江西省电力有限公司电力科学研究院 | High-strength high-conductivity copper alloy wire and preparation method thereof |
| CN113088837A (en) * | 2021-04-15 | 2021-07-09 | 江西富鸿金属有限公司 | Medical high-elasticity tinned alloy wire and preparation method thereof |
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| CN113088837A (en) * | 2021-04-15 | 2021-07-09 | 江西富鸿金属有限公司 | Medical high-elasticity tinned alloy wire and preparation method thereof |
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Application publication date: 20180313 |
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