CN105112715A - CuZnNiSi alloy, preparation method thereof and method for preparing strips using the same - Google Patents
CuZnNiSi alloy, preparation method thereof and method for preparing strips using the same Download PDFInfo
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- 239000000956 alloy Substances 0.000 title claims abstract description 65
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 239000010703 silicon Substances 0.000 claims abstract description 31
- 238000000137 annealing Methods 0.000 claims abstract description 29
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 23
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 23
- 239000011701 zinc Substances 0.000 claims abstract description 23
- 238000005098 hot rolling Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000005266 casting Methods 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000010791 quenching Methods 0.000 claims abstract description 6
- 230000000171 quenching effect Effects 0.000 claims abstract description 6
- 238000000265 homogenisation Methods 0.000 claims abstract description 5
- 238000003801 milling Methods 0.000 claims description 36
- 238000005452 bending Methods 0.000 claims description 16
- 238000011282 treatment Methods 0.000 claims description 10
- 230000032683 aging Effects 0.000 claims description 9
- 238000003723 Smelting Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000003610 charcoal Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 238000005097 cold rolling Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000010309 melting process Methods 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract 3
- 230000008018 melting Effects 0.000 abstract 3
- 229910000676 Si alloy Inorganic materials 0.000 abstract 2
- WCCJDBZJUYKDBF-UHFFFAOYSA-N copper silicon Chemical compound [Si].[Cu] WCCJDBZJUYKDBF-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 229910000545 Nickel–aluminium alloy Inorganic materials 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- -1 Copper-Nickel-Aluminium Chemical compound 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 229910017532 Cu-Be Inorganic materials 0.000 description 2
- 229910017752 Cu-Zn Inorganic materials 0.000 description 2
- 229910017943 Cu—Zn Inorganic materials 0.000 description 2
- 229910009038 Sn—P Inorganic materials 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 2
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- 238000005260 corrosion Methods 0.000 description 2
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- 229910018532 Ni—Sn Inorganic materials 0.000 description 1
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
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- 238000007669 thermal treatment Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
The invention discloses CuZnNiSi alloy, a preparation method thereof and a method for preparing strips using the same. The method comprises the following steps: weighting 10-20% of zinc, 0.462-1.89% of nickel, wherein silicon accounts for 0.11-0.42% of the total amount of copper silicon alloy and the balance is copper; placing copper and nickel into an intermediate frequency induction melting furnace, heating to 1250-1300 DEG C and melting; after melting, adding zinc, copper silicon alloy, uniformly stirring up and casting; obtaining CuZnNiSi alloy using homogenization processing. The CuZnNiSi alloy strips can be obtained by hot rolling, quenching, rolling, annealing and tension-leveling. The CuZnNiSi alloy is high in strength and conductivity.
Description
Technical field
The invention belongs to copper base elasticity material technical field, relate to a kind of CuZnNiSi alloy, the invention still further relates to the preparation method of this CuZnNiSi alloy, the present invention relates to again the method for CuZnNiSi reasonable offer band.
Background technology
Elastic alloy is important functional materials, various in style, of many uses, unique properties.Copper-Nickel-Aluminium Alloy is owing to having excellent conduction, and heat conductivility and good mechanical property, be used widely in various conductive elastic component.Along with the extensive application of conductive elastic component in electronic industry, Communication Engineering, large-scale integrated circuit and solid-state component, high-performance, multi-functional, the requirement such as low cost, high reliability are proposed to Copper-Nickel-Aluminium Alloy material.
At present, the elastic copper alloy that market is applied is mainly Cu-Be system, Cu-Sn-P system and Cu-Ni-Sn system, Cu-Be system alloy has high elasticity, intensity and excellent thermal conductivity, electroconductibility, solidity to corrosion, the elastic lag of the elastic element manufactured by berylliumbronze, retarded elasticity and elastic imperfection are less, are the extraordinary elastic copper alloy materials of over-all properties.But the oxide compound due to beryllium has very large toxicity and the reason such as expensive, and it is produced and use is limited by very large; Cu-Sn-P system is old elastic alloy, can obtain good mechanical property, be thus widely applied by solution strengthening and cold hardening.But due to the shortage of world's tin resource, expensive, tin-phosphor bronze is difficult to hot-work, and annealing times is many, and yield rate is low and cause the energy to consume in a large number, causes cost of alloy higher simultaneously.
Cu-Zn cost of alloy is low, easily manufacture, there are good mechanical property, processing performance and solidity to corrosion, the basis of Cu-Zn alloy adds Ni and Si element, and in conjunction with thermal treatment process energy precipitation strengthening alloy, makes alloy obtain the matched well of high strength and high conductivity.
China's relatively backwardness in the research and production of Copper-Nickel-Aluminium Alloy, conventional Copper-Nickel-Aluminium Alloy substantially or tin-phosphor bronze, and can't adapt to the requirement of computer, the development of electronics communication technology high-speed qualitatively.The Performance and quality of further raising existing copper base elastic alloy material, development of new alloy is extremely urgent.Therefore be necessary to provide that a kind of production cost is low, technique simple, be applicable to suitability for industrialized production, performance better elastic connecting plug-in unit material.
Summary of the invention
The object of this invention is to provide a kind of CuZnNiSi alloy, solve problems of the prior art, there is high strength, high conductivity.
Another object of the present invention is to provide the preparation method of above-mentioned CuZnNiSi alloy, and production cost is low, technique is simple, be applicable to suitability for industrialized production.
Another object of the present invention is to provide the method for above-mentioned CuZnNiSi reasonable offer band.
The technical solution adopted in the present invention is, a kind of CuZnNiSi alloy, according to mass percent, be made up of following raw material: the zinc of 10% ~ 20%, the nickel of 0.462%-1.89%, the silicon of 0.11% ~ 0.42%, surplus is copper, and wherein, the content of nickel is 4.2 ~ 4.5 times of silicone content.
Another technical scheme of the present invention is, a kind of preparation method of CuZnNiSi alloy, specifically carry out according to following steps: step 1, founding: take copper, nickel, zinc, cupro silicon, wherein, according to mass percent, take the zinc of 10% ~ 20%, the nickel of 0.462%-1.89%, the silicon in cupro silicon accounts for 0.11% ~ 0.42% of total amount, and surplus is copper; Copper and mickel is put into Medium frequency induction smelting furnace, be heated to 1250 DEG C ~ 1300 DEG C fusings, after fusing completely, then add throwing zinc, cupro silicon, cast after stirring; Step 2, Homogenization Treatments: in casting, the alloy flat bloom of gained is incubated and takes out water-cooled after 3 ~ 4 hours at 900 DEG C ~ 920 DEG C, obtains CuZnNiSi alloy.
Further, in described step 1 founding, in copper and mickel melting process, metallic surface covers wood charcoal powder.
Further, copper and mickel zincification, cupro silicon again after furnace temperature being down to 1150 DEG C ~ 1200 DEG C after dissolving completely in described step 1.
Another technical scheme of the present invention is, a kind of preparation method of CuZnNiSi alloy material band, specifically carries out according to following steps:
Step 1,
Ingot blank heats: ingot is placed in resistance furnace and is heated to 900 DEG C ~ 920 DEG C, insulation 1-2 hour;
Step 2,
Hot rolling and quenching: the CuZnNiSi alloy of 900 DEG C ~ 920 DEG C is carried out hot rolling on milling train, on-line cooling of then spraying water immediately, is cooled to 60 DEG C;
Step 3,
Rolling: milling is carried out on cooled for upper step hot rolled band surface, is then rolled into the strip meeting product size and require on milling train;
Step 4,
Annealing: the band after rolling is carried out anneal, the temperature controlling annealing is 350 DEG C ~ 450 DEG C, and annealing speed is 5 ~ 25m/min, and total annealing time is 1-30min;
Step 5,
Stretch-bending straightening: the strip after anneal is carried out stretch-bending straightening process on straightener.
Further, hot-rolled manipulation 2 ~ 3 times in described step 2, the thickness of strip after hot rolling is 13 ~ 18mm, wherein last hot rolling draught > 50%, and finishing temperature is not less than 650 DEG C.
Further, in described step 3-step 5 each step previous action at the end of carry out clot operation, next step of each step carries out unwinding op when starting.
Further, the band after the process of described step 5 stretch-bending straightening carries out surface finish process, and then band is cut into the product of dimension.
Further, in described step 3, milling completes in two-sided Milling Machine, and comprise and carry out two-sided milling to the upper and lower surface of band and two sides, the milling amount on upper and lower surface is every face >=0.3mm, and side milling amount is every limit >=2mm.
Further, in described step 3, rolling is carried out according to following steps:
Roughing: it is cold rolling the slab after milling process to be carried out on reversable mill multi-pass, pass deformation: 20 ~ 30%, total deformation > 80%; Thickness of strip after roughing is 1 ~ 2.5mm;
Ageing treatment: the band after roughing is placed in air cushion furnace and carries out secondary ageing process, controlling furnace temperature is 350 DEG C ~ 450 DEG C, and band is 1 ~ 30min by the time in air cushion furnace, then cools;
Finish rolling: the band after ageing treatment is rolled on finishing mill the strip meeting product size and require.
The invention has the beneficial effects as follows intensity >=700Mpa, the specific conductivity >=30%IACS of the band that CuZnNiSi alloy material and alloy material are formed, softening temperature >=350 DEG C, there is high strength, high electrical conductivity and resistant to elevated temperatures performance.In material, Ni, Si concentration of element is lower simultaneously, when preparing band, low to quenching sensitive, hot rolling-press quenching technique can be adopted during manufacture, thus do not need to carry out separately the effect that solution hardening process also can reach solid solution, greatly improve production efficiency, reduce production cost simultaneously, the band of production has good plate shape and surface quality.
Embodiment
A kind of CuZnNiSi alloy, according to mass percent, is made up of following raw material:
The zinc of 10% ~ 20%, the nickel of 0.462%-1.89%, the silicon of 0.11% ~ 0.42%, surplus is copper.Wherein, the content of nickel is 4.2 ~ 4.5 times of silicone content.
A preparation method for CuZnNiSi alloy, specifically carries out according to following steps:
Step 1, founding: take copper, nickel, zinc, cupro silicon, wherein, according to mass percent, take the zinc of 10% ~ 20%, the nickel of 0.462%-1.89%, the silicon in cupro silicon accounts for 0.11% ~ 0.42% of total amount, and surplus is copper;
Copper and mickel is put into Medium frequency induction smelting furnace, be heated to 1250 DEG C ~ 1300 DEG C fusings, after fusing completely, then add throwing zinc, cupro silicon, cast after stirring;
Step 2, Homogenization Treatments: in casting, the alloy flat bloom of gained is incubated and takes out water-cooled after 3 ~ 4 hours at 900 DEG C ~ 920 DEG C, obtains CuZnNiSi alloy.
Wherein, in step 1 founding, in copper and mickel melting process, metallic surface covers wood charcoal powder.Wood charcoal powder mainly prevents nickel oxidized.
Wherein, copper and mickel zincification, cupro silicon again after furnace temperature being down to 1150 DEG C ~ 1200 DEG C after dissolving completely in step 1.
Wherein, semicontinuous caster can be adopted during casting to cast, the alloy specifications of casting can be 220 (wide) × 620 (height) × L (length) mm (L can be random length); Will ensure during Homogenization Treatments that the dendritic segregation in alloy is eliminated completely, temperature difference when alloy is come out of the stove is about 10 DEG C.
A preparation method for above-mentioned CuZnNiSi alloy material band, specifically carries out according to following steps:
Step 1,
Ingot blank heats: ingot is placed in resistance furnace and is heated to 900 DEG C ~ 920 DEG C, insulation 1-2 hour;
Step 2,
Hot rolling and quenching: the CuZnNiSi alloy of 900 DEG C ~ 920 DEG C is carried out hot rolling on milling train, on-line cooling of then spraying water immediately, is cooled to 60 DEG C;
Step 3,
Rolling: milling is carried out on cooled for upper step hot rolled band surface, is then rolled into the strip meeting product size and require on milling train;
Step 4,
Annealing: the band after rolling is carried out anneal, the temperature controlling annealing is 350 DEG C ~ 450 DEG C, and annealing speed is 5 ~ 25m/min, and total annealing time is 1-30min, and annealing time is relevant with thickness;
Step 5,
Stretch-bending straightening: the strip after anneal is carried out stretch-bending straightening process on straightener, the flatness defect of conditioning strip material and minimizing band internal residual stress.
Wherein, hot-rolled manipulation 2 ~ 3 times in step 2, the thickness of strip after hot rolling is 13 ~ 18mm, wherein last hot rolling draught > 50%, and finishing temperature is not less than 650 DEG C.
Wherein, in step 3-step 5 each step previous action at the end of carry out clot operation, next step of each step carries out unwinding op when starting.
Wherein, the band after the process of step 5 stretch-bending straightening carries out surface finish process, and then band is cut into the product of dimension.
Wherein, in step 3, milling completes in two-sided Milling Machine, and comprise and carry out two-sided milling to the upper and lower surface of band and two sides, the milling amount on upper and lower surface is every face >=0.3mm, and side milling amount is every limit >=2mm.
Wherein, in step 5, in stretch-bending straightening, strip produces the unit elongation of 0 ~ 3%.
Wherein, in step 3, rolling is carried out according to following steps:
Roughing: it is cold rolling the slab after milling process to be carried out on reversable mill multi-pass, pass deformation: 20 ~ 30%, total deformation > 80%; Thickness of strip after roughing is 1 ~ 2.5mm;
Ageing treatment: the band after roughing is placed in air cushion furnace and carries out secondary ageing process, controlling furnace temperature is 350 DEG C ~ 450 DEG C, and band is 1 ~ 30min by the time in air cushion furnace, and the time is relevant with thickness, then cools;
Finish rolling: the band after ageing treatment is rolled on finishing mill the strip meeting product size and require.
Embodiment 1
A preparation method for CuZnNiSi alloy, specifically carries out according to following steps:
Take copper, nickel, zinc, cupro silicon, wherein, according to mass percent, take the zinc of 10%, the nickel of 0.462%, the silicon in cupro silicon accounts for 0.11% of total amount, and surplus is copper; Copper and mickel is put into Medium frequency induction smelting furnace, be heated to 1250 DEG C of fusings, after fusing completely, furnace temperature adds after being down to 1150 DEG C again throws zinc, cupro silicon, casts after stirring; In casting, the alloy flat bloom of gained takes out water-cooled be incubated 3 hours at 900 DEG C after, obtains CuZnNiSi alloy.
Embodiment 2
A preparation method for CuZnNiSi alloy, specifically carries out according to following steps:
Take copper, nickel, zinc, cupro silicon, wherein, according to mass percent, take the zinc of 20%, the nickel of 1.89%, the silicon in cupro silicon accounts for 0.42% of total amount, and surplus is copper; Copper and mickel is put into Medium frequency induction smelting furnace, be heated to 1300 DEG C of fusings, after fusing completely, furnace temperature adds after being down to 1200 DEG C again throws zinc, cupro silicon, casts after stirring; In casting, the alloy flat bloom of gained takes out water-cooled be incubated 4 hours at 920 DEG C after, obtains CuZnNiSi alloy.
Embodiment 3
A preparation method for CuZnNiSi alloy, specifically carries out according to following steps:
Take copper, nickel, zinc, cupro silicon, wherein, according to mass percent, take the zinc of 15%, the nickel of 1.32%, the silicon in cupro silicon accounts for 0.3% of total amount, and surplus is copper; Copper and mickel is put into Medium frequency induction smelting furnace, be heated to 1280 DEG C of fusings, after fusing completely, furnace temperature adds after being down to 1170 DEG C again throws zinc, cupro silicon, casts after stirring; In casting, the alloy flat bloom of gained takes out water-cooled be incubated 3.5 hours at 910 DEG C after, obtains CuZnNiSi alloy.
Embodiment 4
Ingot is placed in resistance furnace and is heated to 900 DEG C, be incubated 1 hour; CuZnNiSi alloy obtained for the embodiment 1 of 900 DEG C is carried out hot rolling on milling train, and on-line cooling of then spraying water immediately, is cooled to 60 DEG C; Milling is carried out on surface, on milling train, be then rolled into the strip meeting product size and require; Band after rolling is carried out anneal, and the temperature controlling annealing is 350 DEG C, and annealing speed is 5m/min, and total annealing time is 1min, and annealing time is relevant with thickness; Stretch-bending straightening: the strip after anneal is carried out stretch-bending straightening process on straightener, the flatness defect of conditioning strip material and minimizing band internal residual stress.
Embodiment 5
Ingot is placed in resistance furnace and is heated to 920 DEG C, be incubated 2 hours; CuZnNiSi alloy obtained for the embodiment 2 of 920 DEG C is carried out hot rolling on milling train, and on-line cooling of then spraying water immediately, is cooled to 60 DEG C; Milling is carried out on surface, on milling train, be then rolled into the strip meeting product size and require; Band after rolling is carried out anneal, and the temperature controlling annealing is 450 DEG C, and annealing speed is 25m/min, and total annealing time is 30min, and annealing time is relevant with thickness; Stretch-bending straightening: the strip after anneal is carried out stretch-bending straightening process on straightener, the flatness defect of conditioning strip material and minimizing band internal residual stress.
Embodiment 6
Ingot is placed in resistance furnace and is heated to 910 DEG C, be incubated 1.5 hours; CuZnNiSi alloy obtained for the embodiment 3 of 910 DEG C is carried out hot rolling on milling train, and on-line cooling of then spraying water immediately, is cooled to 60 DEG C; Milling is carried out on surface, on milling train, be then rolled into the strip meeting product size and require; Band after rolling is carried out anneal, and the temperature controlling annealing is 400 DEG C, and annealing speed is 15m/min, and total annealing time is 15min, and annealing time is relevant with thickness; Stretch-bending straightening: the strip after anneal is carried out stretch-bending straightening process on straightener, the flatness defect of conditioning strip material and minimizing band internal residual stress.
By the CuZnNiSi system alloy strip steel rolled stock that embodiment 6 is obtained, intensity is 705MPa, and hardness is 224HV, specific conductivity 30.1%IACS, and annealing 1h post softening temperature (annealing hardness value is the temperature of 85% correspondence of initial hardness) is greater than 350 DEG C.
Claims (10)
1. a CuZnNiSi alloy, is characterized in that, according to mass percent, is made up of following raw material:
The zinc of 10% ~ 20%, the nickel of 0.462%-1.89%, the silicon of 0.11% ~ 0.42%, surplus is copper, and wherein, the content of nickel is 4.2 ~ 4.5 times of silicone content.
2. a preparation method for CuZnNiSi alloy, is characterized in that, specifically carries out according to following steps:
Step 1, founding: take copper, nickel, zinc, cupro silicon, wherein, according to mass percent, take the zinc of 10% ~ 20%, the nickel of 0.462%-1.89%, the silicon in cupro silicon accounts for 0.11% ~ 0.42% of total amount, and surplus is copper;
Copper and mickel is put into Medium frequency induction smelting furnace, be heated to 1250 DEG C ~ 1300 DEG C fusings, after fusing completely, then add throwing zinc, cupro silicon, cast after stirring;
Step 2, Homogenization Treatments: in casting, the alloy flat bloom of gained is incubated and takes out water-cooled after 3 ~ 4 hours at 900 DEG C ~ 920 DEG C, obtains CuZnNiSi alloy.
3. the preparation method of a kind of CuZnNiSi alloy according to claim 2, is characterized in that, in described step 1 founding, in copper and mickel melting process, metallic surface covers wood charcoal powder.
4. the preparation method of a kind of CuZnNiSi alloy according to claim 2, is characterized in that, copper and mickel zincification, cupro silicon again after furnace temperature being down to 1150 DEG C ~ 1200 DEG C after dissolving completely in described step 1.
5. a preparation method for CuZnNiSi alloy material band as claimed in claim 2, is characterized in that, specifically carry out according to following steps:
Step 1,
Ingot blank heats: ingot is placed in resistance furnace and is heated to 900 DEG C ~ 920 DEG C, insulation 1-2 hour;
Step 2,
Hot rolling and quenching: the CuZnNiSi alloy of 900 DEG C ~ 920 DEG C is carried out hot rolling on milling train, on-line cooling of then spraying water immediately, is cooled to 60 DEG C;
Step 3,
Rolling: milling is carried out on cooled for upper step hot rolled band surface, is then rolled into the strip meeting product size and require on milling train;
Step 4,
Annealing: the band after rolling is carried out anneal, the temperature controlling annealing is 350 DEG C ~ 450 DEG C, and annealing speed is 5 ~ 25m/min, and total annealing time is 1-30min;
Step 5,
Stretch-bending straightening: the strip after anneal is carried out stretch-bending straightening process on straightener.
6. the preparation method of CuZnNiSi alloy material band according to claim 5, it is characterized in that, hot-rolled manipulation 2 ~ 3 times in described step 2, the thickness of strip after hot rolling is 13 ~ 18mm, wherein last hot rolling draught > 50%, finishing temperature is not less than 650 DEG C.
7. the preparation method of CuZnNiSi alloy material band according to claim 5, is characterized in that, in described step 3-step 5 each step previous action at the end of carry out clot operation, carry out unwinding op when next step of each step starts.
8. the preparation method of CuZnNiSi alloy material band according to claim 5, it is characterized in that, the band after the process of described step 5 stretch-bending straightening carries out surface finish process, and then band is cut into the product of dimension.
9. the preparation method of CuZnNiSi alloy material band according to claim 5, it is characterized in that, in described step 3, milling completes in two-sided Milling Machine, comprise and two-sided milling is carried out to the upper and lower surface of band and two sides, the milling amount on upper and lower surface is every face >=0.3mm, and side milling amount is every limit >=2mm.
10. the preparation method of CuZnNiSi alloy material band according to claim 5, it is characterized in that, in described step 3, rolling is carried out according to following steps:
Roughing: it is cold rolling the slab after milling process to be carried out on reversable mill multi-pass, pass deformation: 20 ~ 30%, total deformation > 80%; Thickness of strip after roughing is 1 ~ 2.5mm;
Ageing treatment: the band after roughing is placed in air cushion furnace and carries out secondary ageing process, controlling furnace temperature is 350 DEG C ~ 450 DEG C, and band is 1 ~ 30min by the time in air cushion furnace, then cools;
Finish rolling: the band after ageing treatment is rolled on finishing mill the strip meeting product size and require.
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| CN111020280A (en) * | 2019-12-19 | 2020-04-17 | 福州大学 | Cu-Al-Hf-Ti-Zr copper alloy material and preparation method thereof |
| CN111868276A (en) * | 2018-03-09 | 2020-10-30 | 同和金属技术有限公司 | Copper alloy sheet and method for producing same |
| CN115261668A (en) * | 2022-06-30 | 2022-11-01 | 宁波金田铜业(集团)股份有限公司 | Brass alloy strip and preparation method thereof |
| CN116065053A (en) * | 2023-04-03 | 2023-05-05 | 凯美龙精密铜板带（河南）有限公司 | Copper alloy and preparation method thereof |
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| CN101899588A (en) * | 2010-08-25 | 2010-12-01 | 江西理工大学 | Nickel-free white copper alloy containing rare earth additional elements and method for manufacturing plates made of same |
| CN102719698A (en) * | 2012-06-21 | 2012-10-10 | 铜陵金威铜业有限公司 | CuNiSiMg alloy material and preparation method thereof as well as method for preparing strip using alloy material |
| CN103243231A (en) * | 2013-04-23 | 2013-08-14 | 中色（宁夏）东方集团有限公司 | High-strength high-conductivity copper base alloy and preparation method thereof |
| CN103361512A (en) * | 2012-03-28 | 2013-10-23 | 株式会社神户制钢所 | Electric and electronic part copper alloy sheet with excellent bending workability and stress relaxation resistance |
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| CN1841570A (en) * | 2005-03-29 | 2006-10-04 | 日矿金属加工株式会社 | Thermal resistant tinned Cu-Ni-Si-Zn-Sn sieries alloy bar with excellent stripping character and tinned bar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111868276A (en) * | 2018-03-09 | 2020-10-30 | 同和金属技术有限公司 | Copper alloy sheet and method for producing same |
| TWI763982B (en) * | 2018-03-09 | 2022-05-11 | 日商同和金屬技術有限公司 | Copper alloy plate and method for producing same |
| CN111020280A (en) * | 2019-12-19 | 2020-04-17 | 福州大学 | Cu-Al-Hf-Ti-Zr copper alloy material and preparation method thereof |
| CN115261668A (en) * | 2022-06-30 | 2022-11-01 | 宁波金田铜业(集团)股份有限公司 | Brass alloy strip and preparation method thereof |
| CN115261668B (en) * | 2022-06-30 | 2023-02-28 | 宁波金田铜业(集团)股份有限公司 | Brass alloy strip and preparation method thereof |
| CN116065053A (en) * | 2023-04-03 | 2023-05-05 | 凯美龙精密铜板带（河南）有限公司 | Copper alloy and preparation method thereof |
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