CN110042271A - A kind of high-strength copper band and its manufacturing method - Google Patents
A kind of high-strength copper band and its manufacturing method Download PDFInfo
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- CN110042271A CN110042271A CN201910376700.3A CN201910376700A CN110042271A CN 110042271 A CN110042271 A CN 110042271A CN 201910376700 A CN201910376700 A CN 201910376700A CN 110042271 A CN110042271 A CN 110042271A
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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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- C—CHEMISTRY; METALLURGY
- 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
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
Abstract
A kind of high performance high strength copper strips, the chemical component containing following weight percent: Mg:0.02-0.04%, Ni:0.01-0.02%, Si:0.01-0.02%, Sm:0.002-0.004%, Fe:0.10-0.12% remaining be Cu.The present invention enhances the intensity of copper sheet with the method for crystal grain refinement, coarse grains are prevented using third element Fe, brass alloys are the kinds that heat-treated sturcture is easiest to coarse grains in Cu alloy material, the invention reside in apply Fe alloying, cooperate cold rolling and heat-treatment processing process, the intensity of the brass band made, which compares original brass with plastic property, big promotion, the alternative materials in some fields as other elastic copper alloys, and the method for our this reinforcings, precious metal material is not used, cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of low-cost high-strength copper strips and its manufacturing methods.
Background technique
High-intensitive copper alloy has tin-phosphor bronze, high-copper Cu-Ni-Si, one-ton brass etc. at present.Huang is highlighted in this patent
Copper, but brass manufacturing process is mature, and easy to industrialized production, cost of material and fabrication yield are also high, in the market brass
Band mainly H62, H65 brass, but the copper alloy intensity of brass relatively above is slightly lower, fatigue period is partially short, it is therefore necessary to
It is improved.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of high performance high strength copper strips and its production method, gained copper
Band has high resiliency and high conductivity, and bending and molding performance and stress relaxation-resistant excellent, and production method is simple,
It is a further object of the present invention to provide a kind of for manufacturing the manufacturing method of this kind of copper strips
The technical solution adopted by the present invention to solve the technical problems is: a kind of high performance high strength copper strips contains following weight
The chemical component of percentage: Mg:0.02-0.04%, Ni:0.01-0.02%, Si:0.01-0.02%, Sm:0.002-
0.004%, Fe:0.10-0.12% remaining be Cu.The present invention enhances the intensity of copper sheet with the method for crystal grain refinement, using third
Element of Fe prevents coarse grains, and brass alloys are the kind that heat-treated sturcture is easiest to coarse grains in Cu alloy material, this hair
It is bright to be to cooperate cold rolling and heat-treatment processing process, the intensity of the brass band made to compare original with plastic property using Fe alloying
Some brass has big promotion, becomes the alternative materials in some fields of other elastic copper alloys, and our this reinforcings
Method, does not use precious metal material, and cost is greatly reduced.
A kind of production method of high performance high strength copper strips as described in claim 1, comprising the following steps: (1) founding:
Raw material is taken by the component formula and founding in smelting furnace is added in two portions and obtains alloy ingot blank, and casting temperature is 1550 DEG C -1600
℃；(2) hot rolling: alloy ingot blank obtained by step (1) is subjected to hot rolling treatment and obtains hot rolling base；(3) it mills face: step (2) is obtained
Hot rolling base carry out milling surface treatment and must mill panel, milling amount is single side 0.5mm-1.0mm, Milling Speed < 4.5m/min； (4)
Cold rolling: the milling panel that step (3) obtains is subjected to cold-rolling treatment and cold rolled annealed processing, total deformation 50%-70% are obtained
Blister copper band；(5) it rolls: the refined copper band met the size requirements is made in blister copper band obtained by step (4) and is carried out at mill-annealed again
Reason；(6) refined copper band obtained by step (5) is successively subjected to stretch-bending straightening processing and slitting finishing is handled, obtain institute after the completion
State copper strips.
The beneficial effects of the present invention are: intensity of the present invention with the method enhancing copper sheet of crystal grain refinement, using third member
Plain Fe prevents coarse grains, and brass alloys are the kinds that heat-treated sturcture is easiest to coarse grains in Cu alloy material, the present invention
It is to cooperate cold rolling and heat-treatment processing process, the intensity of the brass band made to compare with plastic property original using Fe alloying
Brass have big promotion, become the alternative materials in some fields of other elastic copper alloys, and the side of our this reinforcings
Method, does not use precious metal material, and cost is greatly reduced.
Specific embodiment
Product, method and application of the invention has carried out face by preferred embodiment and has stated, the obvious energy of related personnel
Or else it is detached from the content of present invention, in spirit and scope to method described herein and application is modified or suitably changes and group
It closes, carrys out the implementation and application present invention.
Raw materials and instrument and equipment can be bought from market in technical solution, will not enumerate here.
Embodiment 1
A kind of high performance high strength copper strips, the chemical component containing following weight percent: Mg:0.02%, Ni:0.01%, Si:
0.02%, Sm:0.004%, remaining is Cu.
A kind of production method of high performance high strength copper strips, comprising the following steps:
(1) founding:, which taking raw material by said components formula, and founding in smelting furnace is added in two portions obtains alloy ingot blank, and casting temperature is
1550℃-1600℃；
Smelting furnace is added in two portions in raw material specifically:
(11) Cu and Ni is first added, after Cu and Ni melting, keeps the temperature 1h；
(12) after to soaking time, Mg, Si and Sm are added, continues melting to obtain alloy ingot blank.
(2) hot rolling: alloy ingot blank obtained by step (1) is subjected to hot rolling treatment and obtains hot rolling base；Hot rolling treatment specifically:
It is heated at 950 DEG C -980 DEG C, soaking time 2h；Natural cooling 1h, then hot rolling water cooling, finishing temperature is 600 DEG C-
700℃。
(3) mill face: the hot rolling base that step (2) obtains, which is carried out milling surface treatment, must mill panel, and milling amount is single side 0.5mm-
1.0mm, Milling Speed < 4.5m/min；
(4) cold rolling: the milling panel that step (3) is obtained carries out cold-rolling treatment and cold rolled annealed processing, total deformation 50%-
70%, obtain blister copper band；Cold rolled annealed processing specifically: successively include preheating section, low-temperature heat section, constant temperature soaking zone, high temperature
A heating section and a cooling section；
Preheating section: 1h is preheated at 200-300 DEG C；
Low-temperature heat section: heating 0.5h at 300-450 DEG C, and heating rate is 300 DEG C/h；
Constant temperature soaking zone: 2-3h is kept the temperature at 450 DEG C；
High-temperature heating section: 650 DEG C are warming up to the heating rate that heating rate is 100 DEG C/h, heats 0.5h at 650 DEG C；
Cooling section: Temperature fall 4-5h, air-cooled 2-3h, then water cooling to blister copper band tapping temperature less than 60 DEG C.
(5) it rolls: the refined copper band met the size requirements is made in blister copper band obtained by step (4) and is carried out at mill-annealed again
Reason；Mill-annealed processing specifically: successively include accelerating mill-annealed, at the uniform velocity mill-annealed and deceleration mill-annealed；
Accelerate mill-annealed: temperature is 650 ± 5 DEG C, and the acceleration efficiency of annealing speed 25-35.5m/min, annealing rate are
1m/min is started the cleaning processing by pickling solution after accelerating mill-annealed processing, dries to obtain level-one refined copper after cleaning in 80-90 DEG C
Band；
At the uniform velocity mill-annealed: the level-one refined copper band obtained after mill-annealed processing will be accelerated to carry out at the uniform velocity mill-annealed, temperature be
650 ± 5 DEG C, annealing speed 20m/min, at the uniform velocity mill-annealed processing after started the cleaning processing by pickling solution, after cleaning in
80-90 DEG C dries to obtain second level refined copper band；
Deceleration mill-annealed: the second level refined copper band obtained after the processing of at the uniform velocity mill-annealed is subjected to deceleration mill-annealed, temperature is
650 ± 5 DEG C, annealing speed 15-20m/min, the reduction of speed rate of annealing rate is 0.5m/min, after the processing of deceleration mill-annealed
It is started the cleaning processing by pickling solution, dries to obtain refined copper band after cleaning in 80-90 DEG C.
Wherein, pickling solution includes the hydrochloric acid of 100-200ml/L, the citric acid of 5-6g/L, the sorbic acid of 4-5g/L and volume
The ethanol solution that score is 75%；The preparation method of pickling solution is the hydrochloric acid, citric acid and sorbic acid for successively weighing above-mentioned formula
It is added in the ethanol solution that 1L volume fraction is 75%, stirs to get the pickling solution
(6) refined copper band obtained by step (5) is successively subjected to stretch-bending straightening processing and slitting finishing is handled, obtained after the completion
State copper strips.
Claims (7)
1. a kind of high performance high strength copper strips, which is characterized in that the chemical component containing following weight percent: Mg:0.02-
0.04%, Ni:0.01-0.02%, Si:0.01-0.02%, Sm:0.002-0.004%, remaining is Cu.
2. a kind of high performance high strength copper strips as described in claim 1, which is characterized in that the change containing following weight percent
Study point: Mg:0.02%, Ni:0.01%, Si:0.02%, Sm:0.004%, remaining is Cu.
3. a kind of production method of high performance high strength copper strips as described in claim 1, which comprises the following steps:
(1) founding:, which taking raw material by the component formula, and founding in smelting furnace is added in two portions obtains alloy ingot blank, casting temperature 1550
℃-1600℃；(2) hot rolling: alloy ingot blank obtained by step (1) is subjected to hot rolling treatment and obtains hot rolling base；(3) face is milled: by step
(2) the hot rolling base obtained, which carries out milling surface treatment, must mill panel, and milling amount is single side 0.5mm-1.0mm, Milling Speed < 4.5m/
min；(4) cold rolling: the milling panel that step (3) is obtained carries out cold-rolling treatment and cold rolled annealed processing, total deformation 50%-
70%, obtain blister copper band；(5) it rolls: the refined copper band met the size requirements is made in blister copper band obtained by step (4) and is rolled again
System annealing；(6) refined copper band obtained by step (5) is successively subjected to stretch-bending straightening processing and slitting finishing is handled, after the completion
Obtain the copper strips.
4. the production method of high performance high strength copper strips as claimed in claim 3, which is characterized in that raw material in the step (1)
Smelting furnace is added in two portions specifically: (11) Cu and Ni is first added, after Cu and Ni melting, keeps the temperature 1h；(12) to soaking time
After, Mg, Si and Sm are added, continues melting to obtain alloy ingot blank.
5. the production method of high performance high strength copper strips as claimed in claim 3, which is characterized in that described in the step (2)
Hot rolling treatment specifically: heated at 950 DEG C -980 DEG C, soaking time 2h；Natural cooling 1h, then hot rolling water cooling,
Finishing temperature is 600 DEG C -700 DEG C.
6. the production method of high performance high strength copper strips as claimed in claim 3, which is characterized in that cold rolling in the step (4)
Annealing specifically: successively include preheating section, low-temperature heat section, constant temperature soaking zone, high-temperature heating section and cooling section；Preheating
Section: 1h is preheated at 200-300 DEG C；Low-temperature heat section: heating 0.5h at 300-450 DEG C, and heating rate is 300 DEG C/h；
Constant temperature soaking zone: 2-3h is kept the temperature at 450 DEG C；High-temperature heating section: it is warming up to the heating rate that heating rate is 100 DEG C/h
650 DEG C, 0.5h is heated at 650 DEG C；Cooling section: Temperature fall 4-5h, air-cooled 2-3h, then water cooling to blister copper band tapping temperature
Less than 60 DEG C.
7. the production method of high performance high strength copper strips as claimed in claim 3, which is characterized in that rolling in the step (5)
Annealing specifically: successively include accelerating mill-annealed, at the uniform velocity mill-annealed and deceleration mill-annealed；Accelerate mill-annealed:
Temperature is 650 ± 5 DEG C, annealing speed 25-35.5m/min, and the acceleration efficiency of annealing rate is 1m/min, accelerates mill-annealed
It is started the cleaning processing after processing by pickling solution, dries to obtain level-one refined copper band after cleaning in 80-90 DEG C；At the uniform velocity mill-annealed: will
The level-one refined copper band obtained after mill-annealed processing is accelerated to carry out at the uniform velocity mill-annealed, temperature is 650 ± 5 DEG C, and annealing speed is
It is started the cleaning processing after 20m/min, at the uniform velocity mill-annealed processing by pickling solution, dries to obtain second level essence after cleaning in 80-90 DEG C
Copper strips；Deceleration mill-annealed: the second level refined copper band obtained after the processing of at the uniform velocity mill-annealed is subjected to deceleration mill-annealed, temperature
It is 650 ± 5 DEG C, annealing speed 15-20m/min, the reduction of speed rate of annealing rate is 0.5m/min, the processing of deceleration mill-annealed
It is started the cleaning processing afterwards by pickling solution, dries to obtain refined copper band after cleaning in 80-90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910376700.3A CN110042271A (en) | 2019-05-07 | 2019-05-07 | A kind of high-strength copper band and its manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910376700.3A CN110042271A (en) | 2019-05-07 | 2019-05-07 | A kind of high-strength copper band and its manufacturing method |
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| CN110042271A true CN110042271A (en) | 2019-07-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387516A (en) * | 2019-08-07 | 2019-10-29 | 安徽众源新材料股份有限公司 | A kind of copper belt annealing process |
| CN112048636A (en) * | 2020-09-02 | 2020-12-08 | 瑞安市五星铜业有限公司 | Method for improving tensile strength and grain refinement of brass strip material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280802A (en) * | 2018-10-09 | 2019-01-29 | 松阳县景顺实业有限公司 | A kind of high performance high strength copper strips and its production method |
-
2019
- 2019-05-07 CN CN201910376700.3A patent/CN110042271A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109280802A (en) * | 2018-10-09 | 2019-01-29 | 松阳县景顺实业有限公司 | A kind of high performance high strength copper strips and its production method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110387516A (en) * | 2019-08-07 | 2019-10-29 | 安徽众源新材料股份有限公司 | A kind of copper belt annealing process |
| CN112048636A (en) * | 2020-09-02 | 2020-12-08 | 瑞安市五星铜业有限公司 | Method for improving tensile strength and grain refinement of brass strip material |
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Application publication date: 20190723 |
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