CN105112715B - The method that CuZnNiSi alloys and preparation method thereof and the alloy prepare band - Google Patents
The method that CuZnNiSi alloys and preparation method thereof and the alloy prepare band Download PDFInfo
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- 239000000956 alloy Substances 0.000 title claims abstract description 61
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 51
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title abstract description 7
- 238000000137 annealing Methods 0.000 claims abstract description 41
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910052802 copper Inorganic materials 0.000 claims abstract description 30
- 239000010949 copper Substances 0.000 claims abstract description 30
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000010703 silicon Substances 0.000 claims abstract description 24
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 22
- 239000011701 zinc Substances 0.000 claims abstract description 22
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 21
- 238000011282 treatment Methods 0.000 claims abstract description 18
- 238000005452 bending Methods 0.000 claims abstract description 17
- 238000005098 hot rolling Methods 0.000 claims abstract description 15
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims abstract description 7
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting 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
- 238000012545 processing Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 230000032683 aging Effects 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 9
- 239000003610 charcoal Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000005097 cold rolling Methods 0.000 claims description 3
- 238000007499 fusion processing Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 230000003750 conditioning effect Effects 0.000 description 4
- WCCJDBZJUYKDBF-UHFFFAOYSA-N copper silicon Chemical compound [Si].[Cu] WCCJDBZJUYKDBF-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- -1 Copper-Nickel-Aluminium Chemical compound 0.000 description 3
- 229910000545 Nickel–aluminium alloy Inorganic materials 0.000 description 3
- 229910000676 Si alloy Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 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
- 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
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- BSPSZRDIBCCYNN-UHFFFAOYSA-N phosphanylidynetin Chemical compound [Sn]#P BSPSZRDIBCCYNN-UHFFFAOYSA-N 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 description 1
- 229910018100 Ni-Sn Inorganic materials 0.000 description 1
- 229910018532 Ni—Sn Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
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Abstract
The present invention discloses the method that CuZnNiSi alloys and preparation method thereof and the alloy prepare band, weighs 10%~20% zinc, 0.462% 1.89% nickel, and the silicon in cupro silicon accounts for the 0.11%~0.42% of total amount, and surplus is copper；Copper and mickel is put into Medium frequency induction melting furnace, 1250 DEG C~1300 DEG C fusings are heated to, after fusing completely, then adds throwing zinc, cupro silicon, is cast after stirring；Then Homogenization Treatments are carried out and produce CuZnNiSi alloys.CuZnNiSi alloy material bands are obtained by hot rolling, quenching, rolling, annealing, stretch-bending straightening again.With high intensity, high conductivity.
Description
Technical field
The invention belongs to copper-based elasticity material technical field, it is related to a kind of CuZnNiSi alloys, the invention further relates to this
The preparation method of CuZnNiSi alloys, the present invention further relates to the method that CuZnNiSi alloys prepare band.
Background technology
Elastic alloy is important functional material, various in style, widely used, unique properties.Copper-Nickel-Aluminium Alloy due to
With excellent conduction, heat conductivility and good mechanical performance are used widely in various conductive elastic components.With
Extensive application of the conductive elastic component in electronics industry, Communication Engineering, large scale integrated circuit and solid-state component, to copper-based bullet
Property alloy material propose high-performance, multi-functional, inexpensive, high reliability etc. requirement.
At present, the elastic copper alloy of in the market application is mainly Cu-Be systems, Cu-Sn-P systems and Cu-Ni-Sn systems, Cu-Be
It is that alloy has high elasticity, intensity and excellent thermal conductivity, electric conductivity, corrosion resistance, the flexible member manufactured by beryllium-bronze
Elastic hysteresis, elastic after effect and elastic imperfection are smaller, are the extraordinary elastic copper alloy materials of combination property.But due to beryllium
Oxide there is very big toxicity and the reason such as expensive, it is produced and using being limited by very large；Cu-Sn-P systems
It is old elastic alloy, preferable mechanical performance can be obtained by solution strengthening and cold work hardening, thus has obtained extensively should
With.But due to the world's tin resource shortage, expensive, while tin-phosphor bronze is difficult to hot-working, annealing times are more, yield rate it is low and
Cause the energy largely to consume, cause cost of alloy higher.
Cu-Zn cost of alloy is low, easy manufacture, has good mechanical property, processing performance and corrosion resistance, in Cu-Zn alloys
On the basis of add Ni and Si elements, and combine Technology for Heating Processing energy precipitation strengthening alloy, make alloy obtain high intensity and height electricity
The matched well of conductance.
China relatively falls behind in terms of the research and production of Copper-Nickel-Aluminium Alloy, and conventional Copper-Nickel-Aluminium Alloy is basic
Upper or tin-phosphor bronze, and computer, the requirement of electronics communication technology high-speed development can't be adapted in quality.Further
The performance and quality of existing copper-based elastic alloy material are improved, exploitation novel alloy is extremely urgent.It is therefore desirable to provide one
Kind of production cost is low, technique is simple, be adapted to industrialized production, performance more preferable elastic connector material.
The content of the invention
It is an object of the invention to provide a kind of CuZnNiSi alloys, problems of the prior art are solved, with height
Intensity, high conductivity.
It is a further object of the present invention to provide the preparation method of above-mentioned CuZnNiSi alloys, production cost is low, technique is simple,
It is adapted to industrialized production.
It is yet another object of the invention to provide the method that above-mentioned CuZnNiSi alloys prepare band.
The technical solution adopted in the present invention is, a kind of CuZnNiSi alloys, according to mass percent, by following raw material group
Into：10%~20% zinc, 0.462%-1.89% nickel, 0.11%~0.42% silicon, surplus is copper, wherein, nickel contains
Measure as 4.2~4.5 times of silicone content.
Another technical scheme of the present invention is, a kind of preparation method of CuZnNiSi alloys, specifically according to following
Step is carried out：Step 1, founding：Copper, nickel, zinc, cupro silicon are weighed, wherein, according to mass percent, weigh 10%~20%
Zinc, 0.462%-1.89% nickel, the silicon in cupro silicon accounts for the 0.11%~0.42% of total amount, and surplus is copper；By copper and
Nickel is put into Medium frequency induction melting furnace, be heated to 1250 DEG C~1300 DEG C fusing, fusing completely after, then add throw zinc, cupro silicon,
Cast after stirring；Step 2, Homogenization Treatments：The alloy flat bloom of gained is incubated 3 at 900 DEG C~920 DEG C in casting
Water cooling is taken out after~4 hours, CuZnNiSi alloys are produced.
Further, metallic surface covers charcoal powder in copper and mickel fusion process in step 1 founding.
Further, after copper and mickel dissolves completely in the step 1 by furnace temperature be down to after 1150 DEG C~1200 DEG C again zincification,
Cupro silicon.
Another technical scheme of the present invention is, a kind of preparation method of CuZnNiSi alloy materials band, specifically
Follow the steps below：
Step 1,
Ingot blank is heated：Ingot is placed in resistance furnace and is heated to 900 DEG C~920 DEG C, 1-2 hours are incubated；
Step 2,
Hot rolling and quenching：900 DEG C~920 DEG C of CuZnNiSi alloys are subjected to hot rolling on milling train, sprayed water immediately after
On-line cooling, is cooled to 60 DEG C；
Step 3,
Rolling：Hot-rolled band surface after upper step is cooled down carries out milling, is then rolled on milling train and meets product chi
The strip of very little requirement；
Step 4,
Annealing：Band after rolling is made annealing treatment, control annealing temperature for 350 DEG C~450 DEG C, annealing speed
For 5~25m/min, total annealing time is 1-30min；
Step 5,
Stretch-bending straightening：Strip after annealing is subjected to stretch-bending straightening processing on straightener.
Further, hot-rolled manipulation 2~3 times in the step 2, the thickness of strip after hot rolling is 13~18mm, wherein most
＞ 50% is measured under a hot rolling afterwards, finishing temperature is not less than 650 DEG C.
Further, clot operation, Mei Yibu are carried out in the step 3- steps 5 at the end of the previous action of each step
Next step carry out unwinding op when starting.
Further, the band after the step 5 stretch-bending straightening processing carries out surface polishing, then again cuts band
It is cut into the product of dimension.
Further, milling is completed in two-sided Milling Machine in the step 3, including to the upper and lower surface of band and two
Individual side carries out two-sided milling, and the milling amount on upper and lower surface is that, per face >=0.3mm, side milling amount is per side >=2mm.
Further, roll and follow the steps below in the step 3：
Roughing：It is cold rolling that slab after milling is handled carries out multi-pass on reversable mill, pass deformation：20~
30%, total deformation ＞ 80%；Thickness of strip after roughing is 1~2.5mm；
Ageing Treatment：Band after roughing is placed in air cushion furnace progress secondary ageing processing, control furnace temperature be 350 DEG C~
450 DEG C, band passage time in air cushion furnace is 1~30min, is then cooled down；
Finish rolling：Band after Ageing Treatment is rolled into the strip for meeting product size requirement on finishing mill.
The intensity of the band constituted the beneficial effects of the invention are as follows CuZnNiSi alloy materials and alloy material >=
700Mpa, electrical conductivity >=30%IACS, softening temperature >=350 DEG C, with high intensity, high electrical conductivity and resistant to elevated temperatures performance.
Ni, Si concentration of element are relatively low in material simultaneously, low to quenching sensitive when preparing band, during manufacture can using hot rolling-
Line quenching technical, the effect of solid solution is also can reach without individually carrying out solution hardening processing, production is greatly improved
Efficiency, while reducing production cost, the band of production has good plate shape and surface quality.
Embodiment
A kind of CuZnNiSi alloys, according to mass percent, are made up of following raw material：
10%~20% zinc, 0.462%-1.89% nickel, 0.11%~0.42% silicon, surplus is copper.Wherein, nickel
Content be 4.2~4.5 times of silicone content.
A kind of preparation method of CuZnNiSi alloys, is specifically followed the steps below：
Step 1, founding：Copper, nickel, zinc, cupro silicon are weighed, wherein, according to mass percent, weigh 10%~20%
Silicon in zinc, 0.462%-1.89% nickel, cupro silicon accounts for the 0.11%~0.42% of total amount, and surplus is copper；
Copper and mickel is put into Medium frequency induction melting furnace, 1250 DEG C~1300 DEG C fusings are heated to, after fusing completely, then added
Zinc, cupro silicon are thrown, is cast after stirring；
Step 2, Homogenization Treatments：The alloy flat bloom of gained takes after being incubated 3~4 hours at 900 DEG C~920 DEG C in casting
Go out water cooling, produce CuZnNiSi alloys.
Wherein, metallic surface covers charcoal powder in copper and mickel fusion process in step 1 founding.Charcoal powder, which is mainly, to be prevented
Nickel is oxidized.
Wherein, furnace temperature is down to after 1150 DEG C~1200 DEG C again into zincification, copper silicon after copper and mickel dissolves completely in step 1 to close
Gold.
Wherein, it can be cast during casting using semicontinuous casting machine, the alloy specifications of casting can be 220 (width) × 620
(height) × L (length) mm (L can be random length)；To ensure that the dendritic segregation in alloy is completely eliminated during Homogenization Treatments, close
Temperature difference when gold is come out of the stove is 10 DEG C or so.
A kind of preparation method of above-mentioned CuZnNiSi alloy materials band, is specifically followed the steps below：
Step 1,
Ingot blank is heated：Ingot is placed in resistance furnace and is heated to 900 DEG C~920 DEG C, 1-2 hours are incubated；
Step 2,
Hot rolling and quenching：900 DEG C~920 DEG C of CuZnNiSi alloys are subjected to hot rolling on milling train, sprayed water immediately after
On-line cooling, is cooled to 60 DEG C；
Step 3,
Rolling：Hot-rolled band surface after upper step is cooled down carries out milling, is then rolled on milling train and meets product chi
The strip of very little requirement；
Step 4,
Annealing：Band after rolling is made annealing treatment, control annealing temperature for 350 DEG C~450 DEG C, annealing speed
For 5~25m/min, total annealing time is 1-30min, and annealing time is relevant with thickness；
Step 5,
Stretch-bending straightening：Strip after annealing is subjected to stretch-bending straightening processing, the plate shape of conditioning strip material on straightener
Defect and reduction 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 time heat
Drafts ＞ 50% is rolled, finishing temperature is not less than 650 DEG C.
Wherein, clot operation, the next step of each step are carried out in step 3- steps 5 at the end of the previous action of each step
Unwinding op is carried out during beginning.
Wherein, the band after the processing of step 5 stretch-bending straightening carries out surface polishing, then again cuts into band accordingly
The product of specification.
Wherein, milling is completed in two-sided Milling Machine in step 3, including the upper and lower surface of band and two sides are entered
The two-sided milling of row, the milling amount on upper and lower surface is that, per face >=0.3mm, side milling amount is per side >=2mm.
Wherein, strip produces 0~3% elongation percentage in stretch-bending straightening in step 5.
Wherein, rolling is followed the steps below in step 3：
Roughing：It is cold rolling that slab after milling is handled carries out multi-pass on reversable mill, pass deformation：20~
30%, total deformation ＞ 80%；Thickness of strip after roughing is 1~2.5mm；
Ageing Treatment：Band after roughing is placed in air cushion furnace progress secondary ageing processing, control furnace temperature be 350 DEG C~
450 DEG C, band passage time in air cushion furnace is 1~30min, and the time is relevant with thickness, then cools down；
Finish rolling：Band after Ageing Treatment is rolled into the strip for meeting product size requirement on finishing mill.
Embodiment 1
A kind of preparation method of CuZnNiSi alloys, is specifically followed the steps below：
Copper, nickel, zinc, cupro silicon are weighed, wherein, according to mass percent, weigh 10% zinc, 0.462% nickel, copper
Silicon in silicon alloy accounts for the 0.11% of total amount, and surplus is copper；Copper and mickel is put into Medium frequency induction melting furnace, 1250 DEG C are heated to
Fusing, after fusing completely, zinc, cupro silicon are down to after 1150 DEG C again plus thrown to furnace temperature, is cast after stirring；Institute in casting
The alloy flat bloom obtained takes out water cooling after being incubated 3 hours at 900 DEG C, produces CuZnNiSi alloys.
Embodiment 2
A kind of preparation method of CuZnNiSi alloys, is specifically followed the steps below：
Copper, nickel, zinc, cupro silicon are weighed, wherein, according to mass percent, weigh 20% zinc, 1.89% nickel, copper
Silicon in silicon alloy accounts for the 0.42% of total amount, and surplus is copper；Copper and mickel is put into Medium frequency induction melting furnace, 1300 DEG C are heated to
Fusing, after fusing completely, zinc, cupro silicon are down to after 1200 DEG C again plus thrown to furnace temperature, is cast after stirring；Institute in casting
The alloy flat bloom obtained takes out water cooling after being incubated 4 hours at 920 DEG C, produces CuZnNiSi alloys.
Embodiment 3
A kind of preparation method of CuZnNiSi alloys, is specifically followed the steps below：
Copper, nickel, zinc, cupro silicon are weighed, wherein, according to mass percent, weigh 15% zinc, 1.32% nickel, copper
Silicon in silicon alloy accounts for the 0.3% of total amount, and surplus is copper；Copper and mickel is put into Medium frequency induction melting furnace, 1280 DEG C are heated to
Fusing, after fusing completely, zinc, cupro silicon are down to after 1170 DEG C again plus thrown to furnace temperature, is cast after stirring；Institute in casting
The alloy flat bloom obtained takes out water cooling after being incubated 3.5 hours at 910 DEG C, produces CuZnNiSi alloys.
Embodiment 4
Ingot is placed in resistance furnace and is heated to 900 DEG C, 1 hour is incubated；By CuZnNiSi made from 900 DEG C of embodiment 1
Alloy carries out hot rolling on milling train, on-line cooling of spraying water immediately after, is cooled to 60 DEG C；Surface carries out milling, then in milling train
On be rolled into meet product size requirement strip；Band after rolling is made annealing treatment, the temperature for controlling annealing is 350
DEG C, annealing speed is 5m/min, and total annealing time is 1min, and annealing time is relevant with thickness；Stretch-bending straightening：After making annealing treatment
Strip carry out stretch-bending straightening processing on straightener, the flatness defect of conditioning strip material and reduce band internal residual stress.
Embodiment 5
Ingot is placed in resistance furnace and is heated to 920 DEG C, 2 hours are incubated；By CuZnNiSi made from 920 DEG C of embodiment 2
Alloy carries out hot rolling on milling train, on-line cooling of spraying water immediately after, is cooled to 60 DEG C；Surface carries out milling, then in milling train
On be rolled into meet product size requirement strip；Band after rolling is made annealing treatment, the temperature for controlling annealing is 450
DEG C, annealing speed is 25m/min, and total annealing time is 30min, and annealing time is relevant with thickness；Stretch-bending straightening：Will annealing
Strip afterwards carries out stretch-bending straightening processing, the flatness defect and reduction band internal residual stress of conditioning strip material on straightener.
Embodiment 6
Ingot is placed in resistance furnace and is heated to 910 DEG C, 1.5 hours are incubated；By made from 910 DEG C of embodiment 3
CuZnNiSi alloys carry out hot rolling on milling train, on-line cooling of spraying water immediately after, are cooled to 60 DEG C；Surface carries out milling, so
The strip for meeting product size requirement is rolled on milling train afterwards；Band after rolling is made annealing treatment, control annealing
Temperature 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：
Strip after annealing is carried out on straightener inside stretch-bending straightening processing, the flatness defect and reduction band of conditioning strip material
Residual stress.
By CuZnNiSi systems alloy strip steel rolled stock made from embodiment 6, intensity is 705MPa, and hardness is 224HV, electrical conductivity
30.1%IACS, annealing 1h after-tacks temperature (annealing hardness value is 85% corresponding temperature of initial hardness) is more than 350 DEG C.
Claims (1)
1. a kind of preparation method of CuZnNiSi alloy materials band, it is characterised in that specifically follow the steps below：
CuZnNiSi alloys are prepared first,
Step a, founding：Copper, nickel, zinc, cupro silicon are weighed, wherein, according to mass percent, 10%~20% zinc is weighed,
Silicon in 0.462%-1.89% nickel, cupro silicon accounts for the 0.11%~0.42% of total amount, and surplus is copper；
Copper and mickel is put into Medium frequency induction melting furnace, 1250 DEG C~1300 DEG C fusings are heated to, after fusing completely, then adds throwing
Zinc, cupro silicon, are cast after stirring；
Step b, Homogenization Treatments：The alloy flat bloom of gained takes out water after being incubated 3~4 hours at 900 DEG C~920 DEG C in casting
It is cold, produce CuZnNiSi alloys；
Metallic surface covers charcoal powder in copper and mickel fusion process in the step a foundings；
Then CuZnNiSi alloy material bands are prepared：
Step 1,
Ingot blank is heated：Ingot is placed in resistance furnace and is heated to 900 DEG C~920 DEG C, 1-2 hours are incubated；
Step 2,
Hot rolling and quenching：900 DEG C~920 DEG C of CuZnNiSi alloys are subjected to hot rolling on milling train, sprayed water immediately after online
Cooling, is cooled to 60 DEG C；
Step 3,
Rolling：By upper step cool down after hot-rolled band surface carry out milling, be then rolled on milling train meet product size will
The strip asked；
Step 4,
Annealing：Band after rolling is made annealing treatment, the temperature for controlling annealing is 350 DEG C~450 DEG C, and annealing speed is 5
~25m/min, total annealing time is 1-30min；
Step 5,
Stretch-bending straightening：Strip after annealing is subjected to stretch-bending straightening processing on straightener；
Hot-rolled manipulation 2~3 times in the step 2, the thickness of strip after hot rolling is 13~18mm, wherein under last time hot rolling
＞ 50% is measured, finishing temperature is not less than 650 DEG C；
Clot operation is carried out in the step 3- steps 5 at the end of the previous action of each step, the next step of each step starts
Shi Jinhang unwinding ops；
Band after the step 5 stretch-bending straightening processing carries out surface polishing, and band then is cut into dimension again
Product；
Milling is completed in two-sided Milling Machine in the step 3, including the upper and lower surface of band and two sides is carried out two-sided
Milling, the milling amount on upper and lower surface is that, per face >=0.3mm, side milling amount is per side >=2mm；
Rolling is followed the steps below in the step 3：
Roughing：It is cold rolling that slab after milling is handled carries out multi-pass on reversable mill, pass deformation：20~30%, always
Deflection ＞ 80%；Thickness of strip after roughing is 1~2.5mm；
Ageing Treatment：Band after roughing is placed in progress secondary ageing processing in air cushion furnace, it is 350 DEG C~450 to control furnace temperature
DEG C, band passage time in air cushion furnace is 1~30min, is then cooled down；
Finish rolling：Band after Ageing Treatment is rolled into the strip for meeting product size requirement on finishing mill.
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| CN111020280B (en) * | 2019-12-19 | 2021-09-28 | 福州大学 | Cu-Al-Hf-Ti-Zr copper alloy material 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 |
| CN116065053B (en) * | 2023-04-03 | 2023-07-11 | 凯美龙精密铜板带（河南）有限公司 | Copper alloy and preparation method thereof |
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| CN102719698B (en) * | 2012-06-21 | 2014-04-09 | 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 |
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