CN106636729A - Polybasic copper alloy plate and strip for power battery connector and preparation method thereof - Google Patents

Polybasic copper alloy plate and strip for power battery connector and preparation method thereof Download PDF

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Publication number
CN106636729A
CN106636729A CN201610874706.XA CN201610874706A CN106636729A CN 106636729 A CN106636729 A CN 106636729A CN 201610874706 A CN201610874706 A CN 201610874706A CN 106636729 A CN106636729 A CN 106636729A
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temperature
alloy
melting
annealing
milling
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Inventor
邵烨
刘峰
马吉苗
谢彩蓉
廖骏骏
刘龙明
钟百云
张永恒
徐建波
李志斌
陈文岳
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Ningbo Xingye Xintai New Electronic Material Co Ltd
NINGBO XINGYE SHENGTAI GROUP CO Ltd
Beijing General Research Institute for Non Ferrous Metals
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Ningbo Xingye Xintai New Electronic Material Co Ltd
NINGBO XINGYE SHENGTAI GROUP CO Ltd
Beijing General Research Institute for Non Ferrous Metals
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Priority to CN201610874706.XA priority Critical patent/CN106636729A/en
Publication of CN106636729A publication Critical patent/CN106636729A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C1/00Making alloys
    • C22C1/02Making alloys by melting
    • C22C1/03Making alloys by melting using master alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • C22C9/02Alloys based on copper with tin as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C9/00Alloys based on copper
    • C22C9/04Alloys based on copper with zinc as the next major constituent
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22FCHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/08Changing 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

The invention relates to a polybasic copper alloy plate and strip for a power battery connector and a preparation method thereof. The alloy plate and strip contains the components in percentage by weight: 0.2 to 1.0 percent of Sn, 0.01 to 0.15 percent of P, 0.1 to 0.4 percent of Fe, 0.1 to 0.7 percent of Zn, 0.1 to 0.5 percent of Mg, the balance of Cu, 0.01 to 0.1 percent of B, 0.01 to 0.1 percent of Cr, and 0.01 to 0.1 percent of Gd. The polybasic copper alloy plate and strip for the power battery connector is prepared through smelting, casting, hot rolling, milling a surface, primary rolling, intermediate annealing, acid pickling, intermediate rolling, on-line solution at high temperature, finish rolling, aging annealing processing and the like.

Description

A kind of electrokinetic cell connector polynary copper alloy Strip and preparation method thereof
Technical field
The present invention relates to a kind of electrokinetic cell connector polynary copper alloy Strip and preparation method thereof, belonging to has coloured gold Category manufacture field.
Background technology
Electrokinetic cell is the heart of electric automobile, is the key of new-energy automobile industry development.Battery connector is used as dynamic One of critical component of power outside batteries equipment, its combination property affect the stabilization of equipment performance of electrokinetic cell system, energy consumption and The characteristics such as efficiency.To meet the use demands such as electrokinetic cell high current density, high heat transmission and high frequency time discharge and recharge, accordingly Connector material is towards characteristics such as high intensity, high-yield-ratio, high connductivity, good stress relaxation-resistant characteristic and thermal conductivity.
Tensile strength and hardness:Tensile strength and hardness are connector material resistance to deformation under external force and destruction The reflection of ability.Tensile strength and the proportional relation of hardness under certain condition.Could protect only when material meets some strength The carrying out of the follow-up such as punch forming process of card, and be conducive to improving the security and service life of connector product.
Yield tensile ratio:Yield tensile ratio refers to the ratio of material yield strength and tensile strength, and yield tensile ratio is high to represent the anti-of material Deformability is stronger, is not susceptible to plastic deformation.Improve yield tensile ratio to be conducive to improving the plug number of times of connector, extend connector Service life.
Electric conductivity:Electric conductivity refers to complexity of the electric current by conductor, and conductance is typically represented with %IACS, its It is worth the resistivity specified for International Annealed Copper Standard and 100% is multiplied by the ratio of same units sample resistivity.Electric conductivity is higher, The resistivity of surfacing is lower, the Joule heat produced when under certain current condition by conductor is lower, therefore material is led Thermal effect and electric conductivity have certain contact.
Stress relaxation-resistant characteristic:Stress relaxation be at certain temperature and stress condition, with the prolongation of time, stress by The phenomenon for gradually reducing.Stress relaxation-resistant characteristic represents that material is being held in load, temperature and the answering after the time of regulation with % Power relaxation rate.The material of stress relaxation-resistant excellent can greatly improve security reliability when battery connector is used.
Exploitation has the R&D direction that the acid bronze alloy of above-mentioned performance characteristics is connector-copper base alloy material in recent years concurrently.Mesh Front connector material conventional both at home and abroad mainly has beryllium copper, tin-phosphor bronze, cupro-nickel silicon and copper and iron phosphorus system alloy etc..Beallon As the king of elastomeric material, with high-yield-ratio, good electric conductivity, but stress relaxation-resistant and high temperature resistance softening power compared with Difference, and beryllium and its compound have toxicity, have a strong impact on health, are only applied to special dimension;Tin-phosphor bronze has higher Intensity, good ductility and anti-fatigue performance, but its elasticity is poor, and its conductance only has 12~17%IACS, it is difficult to Meet the requirement that modern couplers material leads elastomeric property to height;Corson alloy (such as C70250) is a kind of high-end lead frame Frame and connector material, but this alloy needs in process of production special quenching aging technique and outfit, technique road Line is complex, and product quality is unstable, and production cost is higher, affects the series alloy industrialization production and application;Copper and iron Phosphorus alloy (such as C19210, C19400) has outstanding electric conductivity, but intensity and yield tensile ratio are relatively low, can not meet large-scale company Demand of the device to the strength of materials is connect, it is limit and is further used.Therefore, it is badly in need of a kind of novel movable of excellent combination property of exploitation Power battery connector acid bronze alloy, meets the demand of new-energy automobile industry development.
The content of the invention
The main object of the present invention is to meet the power electric of the characteristics such as high current, high frequency time, high-power quick transmission The growth requirement of pond connector material, the present invention carries out composition design on Cu-Fe-P alloys basis and alloy system optimizes, and one The addition of aspect trace element can increase substantially alloy strength, significantly improve the stress relaxation-resistant characteristic of alloy, and by being Influence of the system research internal organizational structure to material overall characteristic, obtains the multicomponent alloy body led with high-yield-ratio height System;Influence of the another aspect system research processing technology system to material overall characteristic, to expect to obtain a kind of resistance to stress Relaxation property is excellent, the novel high-performance electrokinetic cell copper alloy for connector use Strip of high yield ratio and high conductivity.
In order to achieve the above object, the present invention is realized in:
A kind of electrokinetic cell connector polynary copper alloy Strip, it contains the chemical composition of following percetage by weight: Sn:0.2~1.0%, P:0.01~0.15%, Fe:0.1~0.4%, Zn:0.1~0.7%, Mg:0.1~0.5%, B:0.01 ~0.1%, Cr:0.01~0.1%, Gd:0.01~0.1%, remaining is Cu.
The effect of institute's addition element:
Sn:Because tin atom differs larger with the radius of copper atom, when being solid-solution in Copper substrate, larger crystalline substance can be caused Lattice distort, and effectively hinder dislocation motion, are a kind of alloying elements that can significantly improve copper alloy intensity and yield tensile ratio.Because Sn exists Diffusion coefficient in Cu is less, if Sn too high levels, alloy can produce microsegregation in solidification, need to move back through repeatedly homogenization Fire could eliminate segregation with processing.Additionally, Sn element solid solutions are to the copper-based middle conductance that can significantly reduce alloy.Consider, It is preferred that Sn contents are 0.2~1.0%.
Fe:Generally can jointly exist with P element, form iron phosphide, the intensity of material be improved, additionally, Fe elements can be refined Alloy grain, is effectively improved alloy melting and casting character, but excessive Fe reduces alloy conductive by solid solution and Copper substrate Rate.P is the good deoxidier of copper alloy, by increasing capacitance it is possible to increase mobility during alloy casting.But the P of excess can significantly reduce copper alloy Electric conductivity, and with Cu formed Cu3P phases, easily cause Hot rolling craccking.Therefore Fe and P content are respectively preferably 0.1~0.4% He 0.01~0.15%.
Zn:Solution strengthening can be played a part of, while the addition of Zn contents can be conducive to improving the resistance to stress pine of alloy Relaxation characteristic, but Zn contents can excessively increase the tendentiousness of alloy stress corrosion cracking, therefore preferably Zn contents are 0.1~0.7%.
Mg:Micro Mg elements can play good deoxidation, while be solidly soluted into the Mg atoms of Copper substrate can have Effect hinders dislocation motion, therefore can not only put forward heavy alloyed intensity and can also improve the stress relaxation-resistant characteristic of alloy.But Content of magnesium is too high, can produce the second phase, substantially reduces alloy processing characteristics.Therefore Mg contents are preferably 0.1~0.5%.
B、Cr、Gd:The addition of three kinds of trace alloying elements can put forward heavy alloyed intensity, hardness and plasticity with crystal grain thinning. The addition of wherein B element is mainly crystal grain thinning, significantly improves alloy yield strength, especially significantly improves alloy yield tensile ratio;Cr In copper alloy, its Age-prrcipitation Phase is richness Cr particles to element solid solution, further increases the intensity and electric conductivity of alloy; The addition of Gd elements then can form high melting compound with the impurity element in copper, form tiny particle and be uniformly distributed and crystal grain It is interior, crystal grain thinning, while the Enhancing Nucleation Density of precipitated phase can be effectively improved and suppress growing up for precipitated phase.Relative to other rare earths Element, after micro Gd elements are added in the alloy, can significantly improve the stability of the crystal grain thinning of alloy, improve grain size Uniformity, effectively improves the yield tensile ratio of alloy and ensures that alloy has good plasticity, and electrokinetic cell connector is improved then to be made With stability and security reliability.
For achieving the above object, technical scheme below is taken:
A kind of electrokinetic cell connector preparation method of polynary copper alloy Strip, including following technological process:A. press According to mass percent carry out dispensing, feed intake, melting and casting, b. hot rollings, c milling faces, d. breaking down, e. trimmings, f. intermediate annealings, g. Pickling, rolls in h., i. high temperature on-line solutions, j. finish rolling, k. aging anneals, l. pickling, m. stretch-bending straightenings, n. sub-cuts warehouse-in.
In step a, the particular order that feeds intake is:Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature is added Zinc ingot metal (Zn), pure tin (Sn), add Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu-Cr), copper after all melting Phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1220~1280 DEG C, casting temperature is controlled at 1160~1220 DEG C.
In step b, 900~950 DEG C of strand hot rolling heating-up temperature, 9 passes, hot rolling total deformation is 85~90%, And carry out on-line solution Quenching Treatment.
In step c, hot rolling blank milling face is processed, about 0.65mm is measured in upper and lower milling face, the main superficial oxidation skin and thin of removing Small rut defect.
In step d, the ingot blank behind milling face is carried out into cold rolling cogging, total deformation is 75~85%.
In step f, the cold-reduced sheet after trimming is placed carries out intermediate annealing in bell-type annealing furnace, intermediate annealing heat treatment Temperature be 460~520 DEG C, temperature retention time be 5~8h.
In step h, will roll in the carrying out after pickling, it is described in roll total deformation for 55~75%.
In step i, the Strip after rolling by carries out high temperature on-line solution process, and solid solubility temperature is 800~875 DEG C, speed Spend for 2~4m/min, cooling velocity is 50~60 DEG C/s, solid solution back plate strip temperature is less than 150 DEG C.
In step j, the band after on-line solution is carried out into finish rolling, finish rolling total deformation is 25~45%.
In step k, the band after finish rolling is placed carries out aging anneal in bell-jar annealing, and annealing temperature is 420~460 DEG C, annealing time is 3~5h.
It is an advantage of the current invention that:Compared with other electrokinetic cell connector materials, the polynary copper alloy of the present invention is being bent Strong ratio, electric conductivity and the equal surface of stress relaxation-resistant characteristic aspect are excellent, while with good cold and hot working characteristic.The present invention is logical Cross and add in the material the trace alloying elements such as Fe, P, Sn, Zn, Mg, on the one hand play solution strengthening effect, improve alloy Tensile strength, yield tensile ratio and stress relaxation-resistant characteristic;On the other hand due to iron phosphide, the presence of richness Cr phases, not only act as Precipitating reinforcing effect, further improves the electric conductivity and softening resistant performance of alloy.Additionally, compared to directly processing hardening Production technology, the present invention adopt solid solution+cold deformation+aging technique, make the combination property of alloy more excellent, can meet modern times move Power battery high connductivity, high frequency time, the use demand of high power transmission.
The tensile strength of the electrokinetic cell connector polynary copper alloy of the present invention is 540~625MPa, and Vickers hardness is 160~215HV, yield tensile ratio be 0.87~0.95, elongation percentage be 7~11%, conductance be 60.0~63.5%IACS, 120 DEG C The stress relaxation rate of × 100h is 10~18%, with preferable combination property.
Below by specific embodiment, the present invention will be further described, but is not meant to the scope of the present invention Restriction.
Specific embodiment
The preparation technology of heretofore described Plate and strip of copper alloys is:A. dispensing is carried out, is fed intake, is melted according to mass percent Refining and casting, b. hot rollings, c milling faces, d. breaking down, e. trimmings, f. intermediate annealings, g. pickling is rolled in h., i. high temperature on-line solutions, J. finish rolling, k. aging anneals, l. pickling, m. stretch-bending straightenings, n. sub-cuts warehouse-in.
The alloy of the present invention adopts following raw material melting:Cathode copper, pure tin, copper-iron alloy, copper magnesium alloy, copper-phosphorus alloy, Pure zinc, pure gadolinium, Cu-B alloy, chromiumcopper.
Embodiment 1
The composition of alloy is shown in Table 1 embodiment 1.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1220 DEG C, casting temperature is controlled at 1180 DEG C.
2 hot rollings:Blank hot shuts out 915 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 90%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 85% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 460 DEG C, Temperature retention time is 5h.
6. roll in:55% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 875 DEG C, and speed is 2m/min, and cooling velocity is 60 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 25% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 420 DEG C, is protected Warm time 3h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 1 in 2.
Embodiment 2
The composition of alloy is shown in Table 1 embodiment 2.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1240 DEG C, casting temperature is controlled at 1190 DEG C.
2 hot rollings:Blank hot shuts out 921 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 88%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 85% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 480 DEG C, Temperature retention time is 6h.
6. roll in:65% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 3m/min, and cooling velocity is 56 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 30% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 420 DEG C, is protected Warm time 4h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 2 in 2.
Embodiment 3
The composition of alloy is shown in Table 1 embodiment 3.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1260 DEG C, casting temperature is controlled at 1200 DEG C.
2 hot rollings:Blank hot shuts out 932 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 89%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 85% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 520 DEG C, Temperature retention time is 8h.
6. roll in:75% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 825 DEG C, and speed is 4m/min, and cooling velocity is 52 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 45% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 460 DEG C, is protected Warm time 4h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 3 in 2.
Embodiment 4
The composition of alloy is shown in Table 1 embodiment 4.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1280 DEG C, casting temperature is controlled at 1220 DEG C.
2 hot rollings:Blank hot shuts out 936 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 90%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 480 DEG C, Temperature retention time is 6h.
6. roll in:60% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 875 DEG C, and speed is 2m/min, and cooling velocity is 58 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 25% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 420 DEG C, is protected Warm time 3h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 4 in 2.
Embodiment 5
The composition of alloy is shown in Table 1 embodiment 5.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1270 DEG C, casting temperature is controlled at 1220 DEG C.
2 hot rollings:Blank hot shuts out 930 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 85%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 520 DEG C, Temperature retention time is 8h.
6. roll in:70% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 825 DEG C, and speed is 4m/min, and cooling velocity is 52 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 45% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 460 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 5 in 2.
Embodiment 6
The composition of alloy is shown in Table 1 embodiment 6.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1260 DEG C, casting temperature is controlled at 1210 DEG C.
2 hot rollings:Blank hot shuts out 943 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 86%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 500 DEG C, Temperature retention time is 8h.
6. roll in:75% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 4m/min, and cooling velocity is 60 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 6 in 2.
Embodiment 7
The composition of alloy is shown in Table 1 embodiment 7.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1240 DEG C, casting temperature is controlled at 1180 DEG C.
2 hot rollings:Blank hot shuts out 928 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 87%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 80% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 480 DEG C, Temperature retention time is 6h.
6. roll in:65% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 4m/min, and cooling velocity is 58 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 4h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 7 in 2.
Embodiment 8
The composition of alloy is shown in Table 1 embodiment 8.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1220 DEG C, casting temperature is controlled at 1180 DEG C.
2 hot rollings:Blank hot shuts out 902 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 86%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 80% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 500 DEG C, Temperature retention time is 7h.
6. roll in:70% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 4m/min, and cooling velocity is 56 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 45% deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 460 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 8 in 2.
Embodiment 9
The composition of alloy is shown in Table 1 embodiment 9.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1250 DEG C, casting temperature is controlled at 1200 DEG C.
2 hot rollings:Blank hot shuts out 914 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 88%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 80% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 480 DEG C, Temperature retention time is 6h.
6. roll in:60% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 875 DEG C, and speed is 3m/min, and cooling velocity is 54 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 9 in 2.
Embodiment 10
The composition of alloy is shown in Table 1 embodiment 10.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1230 DEG C, casting temperature is controlled at 1190 DEG C.
2 hot rollings:Blank hot shuts out 926 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 89%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 80% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 460 DEG C, Temperature retention time is 7h.
6. roll in:55% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 875 DEG C, and speed is 4m/min, and cooling velocity is 50 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 25% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 420 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 10 in 2.
Embodiment 11
The composition of alloy is shown in Table 1 embodiment 11.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1260 DEG C, casting temperature is controlled at 1200 DEG C.
2 hot rollings:Blank hot shuts out 943 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 850%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 85% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 500 DEG C, Temperature retention time is 7h.
6. roll in:70% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 825 DEG C, and speed is 3m/min, and cooling velocity is 56 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 3h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 11 in 2.
Embodiment 12
The composition of alloy is shown in Table 1 embodiment 12.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1220 DEG C, casting temperature is controlled at 1170 DEG C.
2 hot rollings:Blank hot shuts out 909 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 86%
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 460 DEG C, Temperature retention time is 5h.
6. roll in:60% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 875 DEG C, and speed is 2m/min, and cooling velocity is 56 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 25% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 420 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 12 in 2.
Embodiment 13
The composition of alloy is shown in Table 1 embodiment 13.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1280 DEG C, casting temperature is controlled at 1210 DEG C.
2 hot rollings:Blank hot shuts out 945 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 90%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 500 DEG C, Temperature retention time is 7h.
6. roll in:75% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 3m/min, and cooling velocity is 58 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 3h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 13 in 2.
Embodiment 14
The composition of alloy is shown in Table 1 embodiment 14.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1220 DEG C, casting temperature is controlled at 1160 DEG C.
2 hot rollings:Blank hot shuts out 911 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 87%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 85% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 460 DEG C, Temperature retention time is 5h.
6. roll in:60% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 2m/min, and cooling velocity is 54 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 420 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 14 in 2.
Embodiment 15
The composition of alloy is shown in Table 1 embodiment 15.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1230 DEG C, casting temperature is controlled at 1160 DEG C.
2 hot rollings:Blank hot shuts out 918 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 88%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 85% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 520 DEG C, Temperature retention time is 8h.
6. roll in:75% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 825 DEG C, and speed is 4m/min, and cooling velocity is 60 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 45% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 460 DEG C, is protected Warm time 4h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 15 in 2.
Embodiment 16
The composition of alloy is shown in Table 1 embodiment 16.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1260 DEG C, casting temperature is controlled at 1210 DEG C.
2 hot rollings:Blank hot shuts out 943 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 86%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 500 DEG C, Temperature retention time is 8h.
6. roll in:75% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 4m/min, and cooling velocity is 60 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 5h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 16 in 2.
Embodiment 17
The composition of alloy is shown in Table 1 embodiment 17.
1. melting:Melting is carried out using antivacuum electric induction furnace.Pure iron (Fe), copper (Cu) are initially charged, after fusing, then low temperature Zinc ingot metal (Zn), pure tin (Sn) are added, Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper (Cu- are added after all melting Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;The temperature of the melting is 1280 DEG C, casting temperature is controlled at 1210 DEG C.
2 hot rollings:Blank hot shuts out 945 ± 10 DEG C of furnace temperature, 9 passes, and hot rolling total deformation is 90%.
3. milling face:Milling face (each milling 0.65mm of upper and lower surface) is carried out to alloy.
4. breaking down:Alloy strip steel rolled stock behind milling face is carried out into 75% deformation process.
5. intermediate annealing:Band after will be cold rolling is fitted in Scale Bell-type Heat Treatment Furnace is annealed, and annealing temperature is 500 DEG C, Temperature retention time is 7h.
6. roll in:75% deformation process will be carried out through the alloy strip steel rolled stock of annealing.
7. on-line solution:Band after being rolled by using BA slick style annealing furnaces carries out high temperature on-line solution process, solid solution Temperature is 850 DEG C, and speed is 3m/min, and cooling velocity is 58 DEG C/s.
8. finish rolling:Band after on-line solution is carried out into 35% cold deformation.
9. aging anneal:The band of finish rolling is fitted in Scale Bell-type Heat Treatment Furnace carries out aging anneal, and temperature is 440 DEG C, is protected Warm time 3h.
Through above melting, hot rolling, milling face, breaking down, intermediate annealing, in roll, on-line solution, finish rolling, aging anneal etc. add After work process, its performance is shown in Table the embodiment 17 in 2.
The alloying component formula (wt.%) of table 1, embodiment 1-15
The alloy property table of table 2, embodiment 1-17
By above example as can be seen that the electrokinetic cell copper alloy for connector use of the present invention has higher-strength, height Yield tensile ratio, excellent electric conductivity and stress relaxation-resistant characteristic, disclosure satisfy that electrokinetic cell connector high connductivity, high frequency time and big The use demand of the characteristics such as power transmission.

Claims (11)

1. a kind of electrokinetic cell connector polynary copper alloy Strip, it is characterised in that:The weight percent of the alloy plate strip Than consisting of:Sn:0.2~1.0%, P:0.01~0.15%, Fe:0.1~0.4%, Zn:0.1~0.7%, Mg:0.1~ 0.5%, remaining is Cu.
2. electrokinetic cell connector polynary copper alloy Strip according to claim 1, it is characterised in that:The alloy sheets Band also contains B, Cr and Gd, and weight content is respectively B:0.01~0.1%, Cr:0.01~0.1%, Gd:0.01~0.1%; These three elements single can be added, and also can two-by-two mix or three kinds add simultaneously.
3. the preparation method of polynary copper alloy Strip of the electrokinetic cell connector described in claim 1 or 2, its feature exists In:Comprise the following steps:A. according to mass percent carry out dispensing, feed intake, melting and casting;B. hot rolling;C milling faces;D. breaking down; E. trimming;F. intermediate annealing;G. pickling;H. roll in;I. high temperature on-line solution;J. finish rolling;K. aging anneal;L. pickling;M. draw Curved aligning;N. sub-cut is put in storage.
4. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:Melting is carried out using antivacuum electric induction furnace;The addition sequence of alloy is:Copper (Cu) is initially charged, after fusing, pure iron is added (Fe), pure tin (Sn), add zinc ingot metal (Zn), Cu-B alloy (Cu-B), pure gadolinium (Gd), chromiumcopper are added after all melting (Cu-Cr), copper-phosphorus alloy (Cu-P) and copper magnesium alloy (Cu-Mg), are covered using calcining charcoal;Wherein, the temperature of melting is 1220~1280 DEG C, casting temperature is controlled at 1160~1220 DEG C.
5. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:900~950 DEG C of strand hot rolling heating-up temperature, 9 passes, hot rolling total deformation is 85~90%, and carries out on-line solution Quenching Treatment.
6. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:The total deformation of the breaking down is 75~85%.
7. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:The temperature of the intermediate annealing heat treatment is 460~520 DEG C, and temperature retention time is 5~8h.
8. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:The total deformation rolled in described is 55~75%.
9. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:The temperature that the high temperature on-line solution is processed is 800~875 DEG C, and annealing speed is 2~4m/min, cooling velocity is 50~ 60 DEG C/s, solid solution back plate strip temperature is less than 150 DEG C.
10. the electrokinetic cell connector according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:The total deformation of the finish rolling is 25~45%.
The 11. electrokinetic cell connectors according to claim 3 preparation method of polynary copper alloy Strip, its feature exists In:The temperature of the aging anneal is 420~460 DEG C, and annealing time is 3~5h.
CN201610874706.XA 2016-10-05 2016-10-05 Polybasic copper alloy plate and strip for power battery connector and preparation method thereof Pending CN106636729A (en)

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CN107160100A (en) * 2017-05-11 2017-09-15 太原晋西春雷铜业有限公司 A kind of method for solving copper alloy band surface chromatic aberration
CN107619964A (en) * 2017-09-18 2018-01-23 宁波兴业盛泰集团有限公司 A kind of combarloy silver tin evanohm Strip and its preparation processing method
CN107604202A (en) * 2017-09-18 2018-01-19 宁波兴业盛泰集团有限公司 A kind of high-performance phosphorus bronze band and preparation method thereof
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CN109930026A (en) * 2017-12-18 2019-06-25 北京有色金属研究总院 A kind of high-strength high conductivity, proof stress relaxation Copper Alloys for Lead Frame and preparation method thereof
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CN110306077A (en) * 2019-07-24 2019-10-08 宁波兴业盛泰集团有限公司 A kind of electric connector Vulcan metal and preparation method thereof
CN110306077B (en) * 2019-07-24 2021-12-03 宁波兴业盛泰集团有限公司 Corrosion-resistant copper alloy for electric connector and preparation method thereof
CN111020283B (en) * 2019-12-06 2021-07-20 宁波金田铜业(集团)股份有限公司 Copper alloy strip for plug-in and preparation method thereof
CN111020283A (en) * 2019-12-06 2020-04-17 宁波金田铜业(集团)股份有限公司 Copper alloy strip for plug-in and preparation method thereof
CN111112330A (en) * 2020-01-10 2020-05-08 江西理工大学 Processing method for improving strength of copper strip without causing anisotropy
CN111112330B (en) * 2020-01-10 2021-07-13 江西理工大学 Processing method for improving strength of copper strip without causing anisotropy
CN112170484A (en) * 2020-08-26 2021-01-05 宁波兴业鑫泰新型电子材料有限公司 Preparation method of copper-magnesium alloy strip for automobile relay
CN112708798A (en) * 2020-12-22 2021-04-27 厦门大学深圳研究院 High-strength high-toughness corrosion-resistant lead-free arsenic-free brass alloy and preparation method thereof
CN112708798B (en) * 2020-12-22 2022-03-22 厦门大学深圳研究院 High-strength high-toughness corrosion-resistant lead-free arsenic-free brass alloy and preparation method thereof

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