CN108754368A - A kind of preparation method for eliminating corson alloy strip surface informal voucher defect - Google Patents
A kind of preparation method for eliminating corson alloy strip surface informal voucher defect Download PDFInfo
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- CN108754368A CN108754368A CN201810547567.9A CN201810547567A CN108754368A CN 108754368 A CN108754368 A CN 108754368A CN 201810547567 A CN201810547567 A CN 201810547567A CN 108754368 A CN108754368 A CN 108754368A
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- solution treatment
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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
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
The invention belongs to non-ferrous metals processing industry, specially a kind of preparation method for eliminating corson alloy strip surface informal voucher defect includes the following steps：Semi-continuous casting ingot casting, ingot casting heating, hot rolling, a solution treatment, milling face, once cold rolling, trimming, annealing, secondary cold-rolling, Secondary Solid Solution Treatment, three times cold rolling, three times solution treatment, primary cleaning, aging strengthening model, secondary cleaning, straightening and cutting；A wherein solution treatment：680-750 DEG C of solid solubility temperature range, 10 DEG C/s of intensity of cooling >；Annealing：500-650 DEG C of temperature range, soaking time 4-8h；Secondary Solid Solution Treatment, three times solution treatment：750-780 DEG C of solid solubility temperature range, 10 DEG C/s of intensity of cooling >；Aging strengthening model：400-500 DEG C of aging temperature, soaking time 4-8h；Once cold rolling working modulus range 60-90%, secondary cold-rolling, three times cold processing ratio range 20-70%.The effect that the present invention generates is：Surface informal voucher defect expressivity, surface metal uniform color is consistent, does not influence subsequent electroplating process.
Description
Technical field
The present invention relates to new materials, belong to non-ferrous metals processing industry, more particularly to eliminate or mitigating cupro-nickel silicon ribbon material
Surface informal voucher defect, the band preparation method for improving surface quality of strips and product specification, specially a kind of elimination cupro-nickel silicon close
The preparation method of golden strip surface informal voucher defect.
Background technology
Corson alloy strip product has high intensity, high resiliency, medium electric conductivity, impact no-spark, low stress relaxation, can plate
Property and the features such as excellent processing characteristics, be mainly used for extensive and super large-scale integration, vehicle-mounted electric connector, high-end
Terminal material, accurate relay, high gear switch etc..The copper alloy band is formed with following composition（Ni：2.2-4.2%；Si：
0.25-1.2%；Mg：0.05-0.3%；Rest part is copper and inevitable impurity）.
The production technology that corson alloy band generally uses at present is：Semi-continuous casting ingot casting-ingot casting heating-heat
Roll-solution treatment-milling face-roughing-trimming-annealing-cold rolling-annealing-cold rolling-cleaning-straightening-cutting.The life
Production. art is primarily present following deficiency：The defect that white stria usually occurs in surface is caused along the irregular distribution of rolling direction
Surface quality of strips defect, and follow-up electroplating effect is influenced, cause a large amount of waste products.To improve product quality, need to eliminate band
Surface informal voucher defect keeps the due metallic luster in copper alloy band surface, and uniform color is consistent.
Invention content
The technical problem to be solved by the present invention is to eliminate or mitigate corson alloy strip surface informal voucher defect, electricity is not influenced
It plates effect and downstream user uses, a kind of preparation method for eliminating corson alloy strip surface informal voucher defect is provided.
In order to solve the above technical problems, the present invention uses and has carried out technical finesse, specific steps on the basis of traditional handicraft
It is as follows：It is semi-continuous casting ingot casting, ingot casting heating, hot rolling, a solution treatment, milling face, once cold rolling, trimming, annealing, secondary cold
Roll, Secondary Solid Solution Treatment, three times cold rolling, solution treatment, primary cleaning, aging strengthening model, secondary cleaning, straightening and divide three times
It cuts；
A wherein solution treatment：680-750 DEG C of solid solubility temperature range, 10 DEG C/s of intensity of cooling >；
Annealing：500-650 DEG C of temperature range, soaking time 4-8h；
Secondary Solid Solution Treatment, three times solution treatment：750-780 DEG C of solid solubility temperature range, 10 DEG C/s of intensity of cooling >；
Aging strengthening model：400-500 DEG C of aging temperature, soaking time 4-8h；
Once cold rolling working modulus range 60-90%, secondary cold-rolling, three times cold processing ratio range 20-70%；
Primary cleaning：Aging strengthening model is carried out after cleaning, can improve alloy strip steel rolled stock surface quality.
The effect that the present invention generates is：Surface informal voucher defect expressivity, surface metal uniform color is consistent, does not influence follow-up electricity
Depositing process.
Specific implementation mode
Embodiment 1
A kind of preparation method for eliminating corson alloy strip surface informal voucher defect, is as follows：Semi-continuous casting ingot casting,
Ingot casting heating, hot rolling, a solution treatment, milling face, once cold rolling, trimming, annealing, secondary cold-rolling, Secondary Solid Solution Treatment, three times
Cold rolling, three times solution treatment, primary cleaning, aging strengthening model, secondary cleaning, straightening and cutting；
Wherein after slab hot-rolling, 740 DEG C of a solid solution temperature, 12 DEG C/s of intensity of cooling；Milling face：Single side milling face thickness
0.8mm；
Once cold rolling to 2.0mm, working modulus 86.67% is annealed using bell-type furnace, 550 DEG C of set temperature, soaking time
7h；
Secondary cold-rolling to 0.8mm, working modulus 60% carries out Secondary Solid Solution Treatment using air cushion furnace, and 760 DEG C of solid solubility temperature is cooling
25 DEG C/s of intensity；
It is cold-rolled to 0.3mm three times, working modulus 62.5% carries out solution treatment three times using air cushion furnace, and 760 DEG C of solid solubility temperature is cold
But 20 DEG C/s of intensity；
Aging strengthening model, 450 DEG C of set temperature, soaking time 6h are carried out using bell-type furnace.
The strip surface uniform color produced using embodiment 1 is consistent, does not have informal voucher defect, meets downstream requirement.
Embodiment 2
A kind of preparation method for eliminating corson alloy strip surface informal voucher defect, is as follows：Semi-continuous casting ingot casting,
Ingot casting heating, hot rolling, a solution treatment, milling face, once cold rolling, trimming, annealing, secondary cold-rolling, Secondary Solid Solution Treatment, three times
Cold rolling, three times solution treatment, primary cleaning, aging strengthening model, secondary cleaning, straightening and cutting；
Wherein after slab hot-rolling, 750 DEG C of a solid solution temperature, 15 DEG C/s of intensity of cooling；
Milling face：Single side milling face thickness 0.8mm；
Once cold rolling to 1.5mm, working modulus 90% is annealed using bell-type furnace, 550 DEG C of set temperature, soaking time 7h；
Secondary cold-rolling is to 0.5mm, working modulus 66.67%, and Secondary Solid Solution Treatment is carried out using air cushion furnace, 760 DEG C of solid solubility temperature,
22 DEG C/s of intensity of cooling；
It is cold-rolled to 0.25mm three times, working modulus 50% carries out solution treatment three times using air cushion furnace, and 755 DEG C of solid solubility temperature is cold
But 20 DEG C/s of intensity；
Aging strengthening model, 440 DEG C of set temperature, soaking time 6h are carried out using bell-type furnace.
The strip surface uniform color produced using embodiment 2 is consistent, does not have informal voucher defect, meets downstream requirement.
Claims (1)
1. a kind of preparation method for eliminating corson alloy strip surface informal voucher defect, it is characterised in that include the following steps：Half
It is continuously casting ingot casting, ingot casting heating, hot rolling, a solution treatment, milling face, once cold rolling, trimming, annealing, secondary cold-rolling, secondary
Solution treatment, three times cold rolling, three times solution treatment, primary cleaning, aging strengthening model, secondary cleaning, straightening and cutting；
A wherein solution treatment：680-750 DEG C of solid solubility temperature range, 10 DEG C/s of intensity of cooling >；
Annealing：500-650 DEG C of temperature range, soaking time 4-8h；
Secondary Solid Solution Treatment, three times solution treatment：750-780 DEG C of solid solubility temperature range, 10 DEG C/s of intensity of cooling >；
Aging strengthening model：400-500 DEG C of aging temperature, soaking time 4-8h；
Once cold rolling working modulus range 60-90%, secondary cold-rolling, three times cold processing ratio range 20-70%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547567.9A CN108754368A (en) | 2018-05-31 | 2018-05-31 | A kind of preparation method for eliminating corson alloy strip surface informal voucher defect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810547567.9A CN108754368A (en) | 2018-05-31 | 2018-05-31 | A kind of preparation method for eliminating corson alloy strip surface informal voucher defect |
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|---|---|
| CN108754368A true CN108754368A (en) | 2018-11-06 |
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| CN201810547567.9A Pending CN108754368A (en) | 2018-05-31 | 2018-05-31 | A kind of preparation method for eliminating corson alloy strip surface informal voucher defect |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195170A (en) * | 2019-06-25 | 2019-09-03 | 太原晋西春雷铜业有限公司 | A kind of preparation method improving Cu-Ni-Si alloy obdurability |
| CN111604374A (en) * | 2020-05-15 | 2020-09-01 | 太原晋西春雷铜业有限公司 | Method for solving surface white spots of copper alloy strip |
| CN112267123A (en) * | 2020-09-08 | 2021-01-26 | 太原晋西春雷铜业有限公司 | Method for cleaning residual ash on surface of copper alloy plate strip for preparing lead frame |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925746A (en) * | 2012-11-29 | 2013-02-13 | 宁波兴业鑫泰新型电子材料有限公司 | High-performance Cu-Ni-Si system copper alloy, and preparation method and processing method thereof |
-
2018
- 2018-05-31 CN CN201810547567.9A patent/CN108754368A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102925746A (en) * | 2012-11-29 | 2013-02-13 | 宁波兴业鑫泰新型电子材料有限公司 | High-performance Cu-Ni-Si system copper alloy, and preparation method and processing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195170A (en) * | 2019-06-25 | 2019-09-03 | 太原晋西春雷铜业有限公司 | A kind of preparation method improving Cu-Ni-Si alloy obdurability |
| CN110195170B (en) * | 2019-06-25 | 2021-04-13 | 太原晋西春雷铜业有限公司 | Preparation method for improving toughness of Cu-Ni-Si alloy |
| CN111604374A (en) * | 2020-05-15 | 2020-09-01 | 太原晋西春雷铜业有限公司 | Method for solving surface white spots of copper alloy strip |
| CN111604374B (en) * | 2020-05-15 | 2022-04-05 | 太原晋西春雷铜业有限公司 | Method for solving surface white spots of copper alloy strip |
| CN112267123A (en) * | 2020-09-08 | 2021-01-26 | 太原晋西春雷铜业有限公司 | Method for cleaning residual ash on surface of copper alloy plate strip for preparing lead frame |
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Application publication date: 20181106 |