CN102925746A - High-performance Cu-Ni-Si system copper alloy, and preparation method and processing method thereof - Google Patents
High-performance Cu-Ni-Si system copper alloy, and preparation method and processing method thereof Download PDFInfo
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Abstract
The invention relates to a high-performance Cu-Ni-Si system copper alloy, and a preparation method and a processing method thereof, belonging to the field of nonferrous metal processing. The high-performance Cu-Ni-Si system copper alloy comprises the following components by weight percent: 2.2%-4.2% of Ni, 0.25%-1.2% of Si, 0.05%-0.3% of Mg, and the balance of Cu, wherein (a) the content of Ni/Si is more than or equal to 4 and less than or equal to 6; and (b) the content of the impurity is less than or equal to 0.5%. The tensile strength Sigma b of the copper alloy is 730-820MPa, the plastic percentage elongation delta of the copper alloy is 8-10%, the conductivity of the copper alloy is 40-50% IACS (international annealed copper standard), and the mean grain size of a cast blank is 100-150mum. The copper alloy can be widely applicable to occasions such as elastic reeds, electric contacts, spot welding poles, anti-explosion tools, electrical contact components, the plug-in component blanks.
Description
Technical field
The present invention relates to a kind of high-performance Cu-Ni-Si series copper alloy and preparation and fabrication method thereof, belong to the non-ferrous metals processing field.
Background technology
Along with the needs of day by day raising of living standards of the people, development of modern industry and national defense construction, the high-performance copper alloy material range of application is increasingly extensive, and demand continues to increase.High-performance copper alloy material has the good characteristics such as intensity height, good springiness, antifatigue, elastic lag be little, corrosion-resistant, be widely used in electronics, aerospace, instrument, instrument and automatically control in the industry, for the manufacture of various elastic springs, electrical contact, spot welding limit, explosion-proof instrument etc., and owing to its stable performance, long service life are widely used in particular component in the important military project such as Aeronautics and Astronautics, weapons, boats and ships, the radar system department, are mainly and electrically contact components and parts, patch components and parts and relay device etc.In the industries such as computer, high-grade household electrical appliance, explosion-proof instrument, chemical industry, coal, its huge potential market is arranged also.
C7025 is the Cu-Ni-Si series copper alloy, and this alloy has excellent over-all properties, and its tensile strength is 750 ~ 850MPa, and specific conductivity is 35 ~ 45%IACS.Domestic still under test for C7025, and in order to adapt to domestic present industry for the demand of material, the present invention is studied and develops Cu-Ni-Si series copper alloy and less energy-consumption preparation and fabrication method thereof on the basis of C7025 alloy.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of high performance Cu-Ni-Si series copper alloy is provided, its performance can substitute or surmount the C7025 alloy.
For achieving the above object, the present invention takes following technical scheme:
A kind of high-performance Cu-Ni-Si series copper alloy, according to weight percent, its basic ingredient comprises: Ni 2.2%～4.2%, Si 0.25%～1.2%, Mg 0.05%～0.3%, and all the other are Cu, and the composition in the described copper alloy need to satisfy: (a) 4≤Ni/Si≤6; (b) impurity content≤0.5%.
A kind of preferred version according to weight percent, comprises Ni 2.4%～3.0%, and Si 0.4%～0.75%, Mg0.1%～0.2%, and all the other are Cu, the composition in the described copper alloy need to satisfy: (a) 4≤Ni/Si≤6; (b) impurity content≤0.5%.
Further, in described copper alloy, add following element: be selected from boron (B), the vanadium (V) one or both, and manganese (Mn), zirconium (Zr) and titanium (Ti) in one or more, its weight percent content is boron (B): 0.01 ~ 0.02%, vanadium (V): 0.01 ~ 0.02%, manganese (Mn): 0.001 ~ 0.01%, zirconium (Zr): 0.001 ~ 0.01%, titanium (Ti): 0.001 ~ 0.01%, total amount should satisfy 0.01%≤B+V+Mn+Zr+Ti≤0.05%.
Wherein, the content that adds element in described copper alloy can further be selected boron (B): 0.01 ~ 0.015%, vanadium (V): 0.01 ~ 0.015%, manganese (Mn): 0.001 ~ 0.005%, zirconium (Zr): 0.001 ~ 0.005%, titanium (Ti): 0.001 ~ 0.005%, total amount satisfies 0.01%≤B+V+Mn+Zr+Ti≤0.05%.
The boron that adds in the described copper alloy (B), vanadium (V), manganese (Mn), zirconium (Zr) and titanium (Ti) join in the copper alloy with the form of insulating covering agent.Namely in copper alloy preparation, adopt one or more the insulating covering agent that contains one or both that be selected from boron (B), vanadium (V), manganese (Mn), zirconium (Zr) and titanium (Ti).All alloying element boron (B), vanadium (V), manganese (Mn), zirconium (Zr) and titanium (Ti) all use with the master alloy form that is melting into copper separately.
Add acting as of insulating covering agent element:
Boron and vanadium: when adding boron, in copper ferrophosphor(us) crystallisation process, generated BC4, this compound can be used as the forming core core of alloy, thereby crystal grain thinning, play the effect of alterant, Cu-B alloy has stronger deoxidizing capacity in addition, when boron content acquires a certain degree, can make about oxygen-content reduction 10ppm.The product of Cu-B alloy deoxidation is B
2O
3, 2Cu
2OB
2O
3, their density is little, low melting point is spherical liquid in copper liquid, be easy to assemble, come-up and removing, on the copper matrix without impact.Vanadium can generate the intermetallic compound particle with other impurity in the alloy, and these particles can be used as non-spontaneous nucleation core, play the effect of crystal grain thinning.The content of general boron and vanadium is suitable 0.01 ~ 0.02%.
Manganese, zirconium and titanium: these element solid solutions meeting segregation in melt hinders growing up of dendrite in the dendrite forward position of growing, thus crystal grain thinning; In addition, these elements can with matrix elements outside impurity element generate the particle of indissoluble, these particles can be used as non-spontaneous nucleation center, play the effect of crystallization nucleus, increase nucleus quantity, play the effect of refinement copper ferrophosphor(us), can also purify melt.
The insulating covering agent that forms with above-mentioned alloying element adds in the smelting furnace; energy smelting furnace solution surface forms the good protective layer of one deck of thickness 5 ~ 80mm; oxygen enters in the outer air of effective obstruct molten bath; avoided the oxidization burning loss of alloying element in fusion process; have insulation effect, and the crystal grain of energy refined cast structure.
The present invention also provides a kind of less energy-consumption preparation and fabrication method of above-mentioned high performance Cu-Ni-Si series copper alloy.
A kind of preparation and fabrication method of high performance Cu-Ni-Si series copper alloy, comprise that following technical process: a. prepares burden, feeds intake according to mass percent, b. semicontinuous casting, c. hot rolling, d. mill face, e. cold roughing, f. annealing, the g. pickling is rinsed and is scraped, h. roll in cold, i. continuous annealing+solution treatment, j. ageing treatment, the cold finish rolling of k..
Among the step a, the described concrete order that feeds intake is: add first Cu, after the fusing, add again Ni, Si, add insulating covering agent (charcoal), after fully degasification, removal of impurities, cover again the calcination charcoal, then add pure magnesium and the charcoal insulating covering agent that contains Cu-B, Cu-V, Cu-Mn, Cu-Ti and/or Cu-Zr alloy, carry out melting.
Configuration charcoal insulating covering agent, reaches Cu-Mn, Cu-Ti and/or Cu-Zr master alloy and mixes, and then mix with charcoal Cu-B and/or Cu-V according to weight percent, obtains the charcoal insulating covering agent.Master alloy Cu-B, Cu-V, Cu-Mn, Cu-Ti, Cu-Zr all adopt the powdered alloy after the grinding, and control its granularity below 800 μ m.
Among the step b, during semicontinuous casting, the temperature of casting is controlled at 1150～1250 ℃.It is that normal pulling rate is 90 ~ 100mm/min behind 70 ~ 80mm/min, the disengaging crystallizer that casting speed begins to be pulled.
Among the step c, hot-rolled temperature is 900 ~ 950 ℃, and the time is 1 ~ 10h, and finishing temperature is controlled at more than 650 ℃.
In the steps d, upper and lower surface is respectively milled 1mm.
Among the step e, the working modulus of described cold roughing is controlled at 40 ~ 85%.
Among the step f, the temperature of described annealing is 400～550 ℃, and the time is 1～10h, and the type of cooling is air cooling or furnace cooling.
Among the step h, described working modulus of rolling in cold is controlled at 40 ~ 85%.
In the step I, continuous annealing+solution treatment: in continuous annealing furnace, treatment temp is 750 ℃ ~ 900 ℃, and through-rate is 1min/m, and the type of cooling is processed for spray.
Among the step j, described aging temperature is 400 ~ 550 ℃, and the time is 1 ~ 6h, and the type of cooling is air cooling or furnace cooling.
Among the step k, the working modulus of described cold finish rolling is controlled at 20 ~ 40%.
The invention has the advantages that: compare with other copper alloy with high strength and high conductivity, high property copper alloy of the present invention also has good stress relaxation resistance simultaneously all being very good aspect intensity, electroconductibility or elasticity, corrosion-resistant, the processability.And the preparation process of this alloy material is fairly simple, and technical process is short, and energy consumption is low, and grain fineness number is little, pore or loose few, and lumber recovery is high.Realize preparation and the processing thereof of the less energy-consumption of high-performance Cu-Ni-Si series copper alloy, and excellent combination property.
The tensile strength sigma b of high-performance Cu-Ni-Si series copper alloy of the present invention can reach 730～820MPa, and plastic elongation rate δ is 8～10%, and specific conductivity is 40～50%IACS, and the strand mean grain size is 100 ~ 150 μ m.This copper alloy has snappiness, high strength, high fatigability, good heat resistance, has had both simultaneously the advantage of good electroconductibility.Can be widely used in various elastic springs, electrical contact, spot welding limit, explosion-proof instrument, electrically contact components and parts, patch the occasions such as first device blank.
Embodiment
Less energy-consumption preparation and the working method of the high-performance Cu-Ni-Si series copper alloy described in the present invention, comprise that following technical process: a. is according to the mass percent b. semicontinuous casting of preparing burden, feed intake, c. hot rolling, d. mills face, the cold roughing of e., f. annealing, g. pickling is rinsed and is scraped, and rolls i. continuous annealing+solution treatment during h. is cold, j. ageing treatment, the cold finish rolling of k..
Wherein, concrete feeding sequence is: the described concrete order that feeds intake is: add first Cu+Ni, add calcining charcoal covering → fusing+Si+ copper-magnesium master alloy (/ cobalt) → degasification → interpolation insulating covering agent.The temperature of casting is controlled at 1100～1200 ℃; Hot-rolled temperature is 900～950 ℃, and the time is 1～10h; The temperature of annealing is 400～550 ℃, and the time is 1～10h, and the type of cooling is air cooling or furnace cooling; Continuous annealing+solution treatment: in continuous annealing furnace, treatment temp is 750 ℃ ~ 900 ℃, and through-rate is 1min/m, and the type of cooling is processed for spray; Aging temperature is 400 ~ 550 ℃, and the time is 1 ~ 6h, and the type of cooling is air cooling or furnace cooling.
Charcoal insulating covering agent among the embodiment prepares by following method:, reach Cu-Mn, Cu-Ti and/or Cu-Zr master alloy and mix, and then mix with charcoal Cu-B and/or Cu-V according to weight percent, obtain the charcoal insulating covering agent.Master alloy Cu-B, Cu-V, Cu-Mn, Cu-Ti, Cu-Zr all adopt the powdered alloy after the grinding, and control its granularity below 800 μ m.
Embodiment 1
Alloy of the present invention adopts following raw material melting: electrolytic copper, pure nickel, pure silicon, pure magnesium, Cu-B master alloy and Cu-Mn master alloy.The composition of alloy sees Table 1 embodiment 1.
1. melting: adopt medium-frequency induction furnace to carry out melting.The addition sequence of alloy is: add first Cu, after the fusing, add Ni, Si again, add insulating covering agent (charcoal) insulation 5～10min, after fully degasification, removal of impurities, cover the thick calcination charcoal in the 10mm left and right sides again.The pure magnesium of rear adding and the charcoal insulating covering agent that contains Cu-B and Cu-Mn alloy, the temperature of melting is 1250 ℃, leaves standstill 10～15min behind the insulation 15min.
2. semicontinuous casting: the temperature of casting is 1150 ℃.It is that normal pulling rate is 90 ~ 100mm/min behind 70 ~ 80mm/min, the disengaging crystallizer that casting speed begins to be pulled.
3. hot rolling: alloy heats, and Heating temperature is 900 ℃, and soaking time is 4h, and the hot rolling general working rate is 90%.
4. mill face: alloy respectively mills up and down 1mm.
5. cold roughing: will carry out through the sheet alloy that mills face 80% cold rolling.
6. annealing: will carry out 80% cold rolled sheet and anneal, annealing temperature is 400 ℃, and soaking time is 5h.
7. pickling is rinsed and scraped: the strip after will annealing is carried out pickling and is rinsed and scrape, and removes surface scale.
8. roll in cold: the strip of scraping is rinsed in pickling carry out cold rollingly, cold processing ratio is 75%.
9. continuous annealing+solution treatment: strip is put into continuous annealing furnace, and temperature is 750 ℃, and through-rate is 1min/m, subsequently spraying cooling.
10. ageing treatment: the strip after the solid solution is carried out ageing treatment, and aging temp is 500 ℃, and soaking time is 4h, and the type of cooling is air cooling.
11. cold finish rolling: with the strip after the timeliness carry out 30% cold rolling.
Through above melting, semicontinuous casting, hot rolling, mill the processing treatment such as face, hot rolling, cold roughing, annealing, pickling are rinsed and scraped, roll in cold, continuous annealing, solution treatment, ageing treatment, cold finish rolling after, its performance sees Table the embodiment 1 in 2.In the gained alloy, impurity content≤0.5%.
Embodiment 2
Alloy of the present invention adopts following raw material melting: electrolytic copper, pure nickel, pure silicon, pure magnesium, Cu-V master alloy and Cu-Mn master alloy.The composition of alloy sees Table 1 embodiment 2.
1. melting: adopt medium-frequency induction furnace to carry out melting.The addition sequence of alloy is: add first Cu, after the fusing, add Ni, Si again, add insulating covering agent (charcoal) insulation 5～10min, after fully degasification, removal of impurities, cover the thick calcination charcoal in the 10mm left and right sides again.The pure magnesium of rear adding and the charcoal insulating covering agent that contains Cu-V and Cu-Mn alloy, the temperature of melting is 1270 ℃, leaves standstill 10～15min behind the insulation 15min.
2. semicontinuous casting: the temperature of casting is 1200 ℃.It is that normal pulling rate is 90 ~ 100mm/min behind 70 ~ 80mm/min, the disengaging crystallizer that casting speed begins to be pulled.
3. hot rolling: alloy heats, and Heating temperature is 920 ℃, and soaking time is 4h, and the hot rolling general working rate is 92%.
4. mill face: alloy respectively mills up and down 1mm.
5. cold roughing: will carry out through the sheet alloy that mills face 78% cold rolling.
6. annealing: will carry out 78% cold rolled sheet and anneal, annealing temperature is 450 ℃, and soaking time is 6h.
7. pickling is rinsed and scraped: the strip after will annealing is carried out pickling and is rinsed and scrape, and removes surface scale.
8. roll in cold: the strip of scraping is rinsed in pickling carry out cold rollingly, cold processing ratio is 80%.
9. continuous annealing+solution treatment: strip is put into continuous annealing furnace, and temperature is 800 ℃, and through-rate is 1min/m, subsequently spraying cooling.
10. ageing treatment: the strip after the solid solution is carried out ageing treatment, and aging temp is 450 ℃, and soaking time is 5h, and the type of cooling is air cooling.
11. cold finish rolling: with the strip after the timeliness carry out 40% cold rolling.
Through above melting, semicontinuous casting, hot rolling, mill the processing treatment such as face, hot rolling, cold roughing, annealing, pickling are rinsed and scraped, roll in cold, continuous annealing, solution treatment, ageing treatment, cold finish rolling after, its performance sees Table the embodiment 2 in 2.In the gained alloy, impurity content≤0.5%.
Embodiment 3
Alloy of the present invention adopts following raw material melting: electrolytic copper, pure nickel, pure silicon, pure magnesium, Cu-B master alloy, Cu-Mn master alloy, Cu-V alloy and Cu-Ti master alloy.The composition of alloy sees Table 1 embodiment 3.
1. melting: adopt medium-frequency induction furnace to carry out melting.The addition sequence of alloy is: add first Cu, after the fusing, add Ni, Si again, add insulating covering agent (charcoal) insulation 5～10min, after fully degasification, removal of impurities, cover the thick calcination charcoal in the 10mm left and right sides again.The pure magnesium of rear adding and the charcoal insulating covering agent that contains Cu-B, Cu-Mn, Cu-V, Cu-Ti alloy, the temperature of melting is 1230 ℃, leaves standstill 10～15min behind the insulation 15min.
2. semicontinuous casting: the temperature of casting is 1180 ℃.It is that normal pulling rate is 90 ~ 100mm/min behind 70 ~ 80mm/min, the disengaging crystallizer that casting speed begins to be pulled.
3. hot rolling: alloy heats, and Heating temperature is 920 ℃, and soaking time is 3h, and the hot rolling general working rate is 90%.
4. mill face: alloy respectively mills up and down 1mm.
5. cold roughing: will carry out through the sheet alloy that mills face 83% cold rolling.
6. annealing: will carry out 83% cold rolled sheet and anneal, annealing temperature is 450 ℃, and soaking time is 4h.
7. pickling is rinsed and scraped: the strip after will annealing is carried out pickling and is rinsed and scrape, and removes surface scale.
8. roll in cold: the strip of scraping is rinsed in pickling carry out cold rollingly, cold processing ratio is 85%.
9. continuous annealing+solution treatment: strip is put into continuous annealing furnace, and temperature is 900 ℃, and through-rate is 1min/m, subsequently spraying cooling.
10. ageing treatment: the strip after the solid solution is carried out ageing treatment, and aging temp is 500 ℃, and soaking time is 4h, and the type of cooling is air cooling.
11. cold finish rolling: with the strip after the timeliness carry out 35% cold rolling.
Through above melting, semicontinuous casting, hot rolling, mill the processing treatment such as face, hot rolling, cold roughing, annealing, pickling are rinsed and scraped, roll in cold, continuous annealing, solution treatment, ageing treatment, cold finish rolling after, its performance sees Table the embodiment 3 in 2.In the gained alloy, impurity content≤0.5%.
Embodiment 4
Alloy of the present invention adopts following raw material melting: electrolytic copper, pure nickel, pure silicon, pure magnesium, Cu-B master alloy, Cu-Mn master alloy, Cu-V master alloy, Cu-Ti master alloy and Cu-Zr master alloy.The composition of alloy sees Table 1 embodiment 4.
1. melting: adopt medium-frequency induction furnace to carry out melting.The addition sequence of alloy is: add first Cu, after the fusing, add Ni, Si again, add insulating covering agent (charcoal) insulation 5～10min, after fully degasification, removal of impurities, cover the thick calcination charcoal in the 10mm left and right sides again.The pure magnesium of rear adding and the charcoal insulating covering agent that contains Cu-B, Cu-Mn, Cu-V, Cu-Ti and Cu-Zr alloy, the temperature of melting is 1260 ℃, leaves standstill 10～15min behind the insulation 15min.
2. semicontinuous casting: the temperature of casting is 1200 ℃.It is that normal pulling rate is 90 ~ 100mm/min behind 70 ~ 80mm/min, the disengaging crystallizer that casting speed begins to be pulled.
3. hot rolling: alloy heats, and Heating temperature is 910 ℃, and soaking time is 4h, and the hot rolling general working rate is 92%.
4. mill face: alloy respectively mills up and down 1mm.
5. cold roughing: will carry out through the sheet alloy that mills face 78% cold rolling.
6. annealing: will carry out 78% cold rolled sheet and anneal, annealing temperature is 400 ℃, and soaking time is 5h.
7. pickling is rinsed and scraped: the strip after will annealing is carried out pickling and is rinsed and scrape, and removes surface scale.
8. roll in cold: the strip of scraping is rinsed in pickling carry out cold rollingly, cold processing ratio is 80%.
9. continuous annealing+solution treatment: strip is put into continuous annealing furnace, and temperature is 920 ℃, and through-rate is 1min/m, subsequently spraying cooling.
10. ageing treatment: the strip after the solid solution is carried out ageing treatment, and aging temp is 520 ℃, and soaking time is 3h, and the type of cooling is air cooling.
11. cold finish rolling: with the strip after the timeliness carry out 40% cold rolling.
Through above melting, semicontinuous casting, hot rolling, mill the processing treatment such as face, hot rolling, cold roughing, annealing, pickling are rinsed and scraped, roll in cold, continuous annealing, solution treatment, ageing treatment, cold finish rolling after, its performance sees Table the embodiment 4 in 2.In the gained alloy, impurity content≤0.5%.
Embodiment 5
Alloy of the present invention adopts following raw material melting: electrolytic copper, pure nickel, pure silicon, pure magnesium, Cu-B master alloy and Cu-Ti master alloy.The composition of alloy sees Table 1 embodiment 1.
1. melting: adopt medium-frequency induction furnace to carry out melting.The addition sequence of alloy is: add first Cu, after the fusing, add Ni, Si again, add insulating covering agent (charcoal) insulation 5～10min, after fully degasification, removal of impurities, cover the thick calcination charcoal in the 10mm left and right sides again.The pure magnesium of rear adding and the charcoal insulating covering agent that contains Cu-B and Cu-Ti alloy, the temperature of melting is 1250 ℃, leaves standstill 10～15min behind the insulation 15min.
2. semicontinuous casting: the temperature of casting is 1150 ℃.It is that normal pulling rate is 90 ~ 100mm/min behind 70 ~ 80mm/min, the disengaging crystallizer that casting speed begins to be pulled.
3. hot rolling: alloy heats, and Heating temperature is 900 ℃, and soaking time is 4h, and the hot rolling general working rate is 90%.
4. mill face: alloy respectively mills up and down 1mm.
5. cold roughing: will carry out through the sheet alloy that mills face 80% cold rolling.
6. annealing: will carry out 80% cold rolled sheet and anneal, annealing temperature is 400 ℃, and soaking time is 5h.
7. pickling is rinsed and scraped: the strip after will annealing is carried out pickling and is rinsed and scrape, and removes surface scale.
8. roll in cold: the strip of scraping is rinsed in pickling carry out cold rollingly, cold processing ratio is 75%.
9. continuous annealing+solution treatment: strip is put into continuous annealing furnace, and temperature is 750 ℃, and through-rate is 1min/m, subsequently spraying cooling.
10. ageing treatment: the strip after the solid solution is carried out ageing treatment, and aging temp is 500 ℃, and soaking time is 4h, and the type of cooling is air cooling.
11. cold finish rolling: with the strip after the timeliness carry out 30% cold rolling.
Through above melting, semicontinuous casting, hot rolling, mill the processing treatment such as face, hot rolling, cold roughing, annealing, pickling are rinsed and scraped, roll in cold, continuous annealing, solution treatment, ageing treatment, cold finish rolling after, its performance sees Table the embodiment 5 in 2.In the gained alloy, impurity content≤0.5%.
The alloying constituent prescription (wt%) of table 1, embodiment 1-5
Notes "---" are labeled as and do not add the alloy amount
The alloy property table of table 2, embodiment 1-5
The tensile strength of high-performance Cu-Ni-Si series copper alloy of the present invention can reach 730～820MPa, and the plastic elongation rate is 8～10%, and specific conductivity is 40～50%IACS, and the strand mean grain size is 130 ~ 150 μ m.Contrast C7025 alloy, alloy of the present invention has higher intensity and specific conductivity, and the grain fineness number of its strand also grain fineness number than C7025 strand is little.This copper alloy has snappiness, high strength, high fatigability, good heat resistance, has had both simultaneously the advantage of good electroconductibility.
Claims (10)
1. high-performance Cu-Ni-Si series copper alloy is characterized in that: according to weight percent, comprising: Ni2.2%～4.2%, and Si 0.25%～1.2%, and Mg 0.05%～0.3%, and all the other are Cu, wherein, (a) 4≤Ni/Si≤6; (b) impurity content≤0.5%.
2. high-performance Cu-Ni-Si series copper alloy according to claim 1, it is characterized in that: according to weight percent, comprising: Ni 2.4%～3.0%, and Si 0.4%～0.75%, and Mg 0.1%～0.2%, and all the other are Cu.
3. high-performance Cu-Ni-Si series copper alloy according to claim 2, it is characterized in that: also comprise among B and the V one or both, and among Mn, Zr and the Ti one or more, weight percent content is B:0.01 ~ 0.02%, V:0.01 ~ 0.02%, Mn:0.001 ~ 0.01%, Zr:0.001 ~ 0.01%, Ti:0.001 ~ 0.01%, total amount are 0.01%≤B+V+Mn+Zr+Ti≤0.05%.
4. high-performance Cu-Ni-Si series copper alloy according to claim 3, it is characterized in that: weight percent content is B:0.01 ~ 0.015%, V:0.01 ~ 0.015%, Mn:0.001 ~ 0.005%, Zr:0.001 ~ 0.005%, Ti:0.001 ~ 0.005%.
5. high-performance Cu-Ni-Si series copper alloy according to claim 4, it is characterized in that: B, V, Mn, Zr and Ti join in the copper alloy with the form of insulating covering agent.
6. high-performance Cu-Ni-Si series copper alloy according to claim 5 is characterized in that: B, V, Mn, Zr and Ti are all to use with the master alloy form of copper separately.
7. the preparation and fabrication method of a high performance Cu-Ni-Si series copper alloy, comprise that following technical process: a. prepares burden, feeds intake according to mass percent, b. semicontinuous casting, c. hot rolling, d. mill face, e. cold roughing, f. annealing, the g. pickling is rinsed and is scraped, h. roll in cold, i. continuous annealing+solution treatment, j. ageing treatment, the cold finish rolling of k..
8. the preparation and fabrication method of high performance Cu-Ni-Si series copper alloy according to claim 7, it is characterized in that: during described feeding intake, add first Cu, after the fusing, add again Ni, Si, add the insulating covering agent charcoal, after fully degasification, removal of impurities, cover again the calcination charcoal, then add pure magnesium and the charcoal insulating covering agent that contains Cu-B, Cu-V, Cu-Mn, Cu-Ti and/or Cu-Zr alloy, carry out melting.
9. the preparation and fabrication method of high performance Cu-Ni-Si series copper alloy according to claim 7, it is characterized in that: during semicontinuous casting, the temperature of casting is 1150～1250 ℃, and it is 70 ~ 80mm/min that casting speed begins to be pulled, and pulling rate is 90 ~ 100mm/min behind the disengaging crystallizer; Hot-rolled temperature is 900 ~ 950 ℃, and the time is 1 ~ 10h.
10. the preparation and fabrication method of high performance Cu-Ni-Si series copper alloy according to claim 7, it is characterized in that: the working modulus of described cold roughing is controlled at 40 ~ 85%; The temperature of described annealing is 400～550 ℃, and the time is 1～10h, and the type of cooling is air cooling or furnace cooling; Described working modulus of rolling in cold is 40 ~ 85%; Continuous annealing+solution treatment: in continuous annealing furnace, treatment temp is 750 ℃ ~ 900 ℃, and through-rate is 1min/m, and the type of cooling is processed for spray; Described aging temperature is 400 ~ 550 ℃, and the time is 1 ~ 6h, and the type of cooling is air cooling or furnace cooling; The working modulus of described cold finish rolling is 20 ~ 40%.
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| CN115094258A (en) * | 2022-07-13 | 2022-09-23 | 浙江惟精新材料股份有限公司 | High-strength high-plasticity high-bending Cu-Ni-Si-Co alloy and preparation method and application thereof |
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| CN107716885A (en) * | 2016-08-12 | 2018-02-23 | 北京科技大学 | A kind of copper alloy with high strength and high conductivity band short-flow production method |
| CN107716885B (en) * | 2016-08-12 | 2019-09-10 | 北京科技大学 | A kind of copper alloy with high strength and high conductivity band short-flow production method |
| CN106399749A (en) * | 2016-10-05 | 2017-02-15 | 宁波兴业盛泰集团有限公司 | High strength and high elasticity copper, nickel and silicon system alloy material and preparation method thereof |
| CN106399748A (en) * | 2016-10-05 | 2017-02-15 | 宁波兴业盛泰集团有限公司 | Novel copper-nickel-silicon system alloy material for lead frame and preparation method of novel copper-nickel-silicon system alloy material |
| CN106399749B (en) * | 2016-10-05 | 2018-01-05 | 宁波兴业盛泰集团有限公司 | A kind of high strength and high flexibility cupro-nickel Si system alloy material and preparation method thereof |
| CN106756202A (en) * | 2016-11-23 | 2017-05-31 | 宁波兴业盛泰集团有限公司 | A kind of blaster fuse frame material complicated pluralism Cu alloy material and preparation method thereof |
| CN108193080B (en) * | 2016-12-08 | 2019-12-17 | 北京有色金属研究总院 | High-strength high-conductivity stress relaxation-resistant copper-nickel-silicon alloy material and preparation method thereof |
| CN108193080A (en) * | 2016-12-08 | 2018-06-22 | 北京有色金属研究总院 | High intensity, highly conductive proof stress relaxation corson alloy material and preparation method thereof |
| CN107326214A (en) * | 2017-07-03 | 2017-11-07 | 广东省材料与加工研究所 | A kind of method that continuous casting rolling efficiently shapes corson alloy band |
| CN108188362A (en) * | 2017-12-15 | 2018-06-22 | 中南大学 | CuNiSn systems alloy and made-up belt combination outfield horizontal casting preparation method and device |
| CN108188362B (en) * | 2017-12-15 | 2019-10-15 | 中南大学 | CuNiSn system alloy and made-up belt combination outfield horizontal casting preparation method and device |
| CN108220670A (en) * | 2018-01-11 | 2018-06-29 | 中北大学 | A kind of Cu-Ni-Si-Mg alloy sheet strips casting-rolling method and casting and rolling installation |
| CN108754368A (en) * | 2018-05-31 | 2018-11-06 | 太原晋西春雷铜业有限公司 | A kind of preparation method for eliminating corson alloy strip surface informal voucher defect |
| CN108642419A (en) * | 2018-05-31 | 2018-10-12 | 太原晋西春雷铜业有限公司 | A kind of corson alloy band and preparation method thereof that bending is excellent |
| CN109079116A (en) * | 2018-07-10 | 2018-12-25 | 浙江力博实业股份有限公司 | A kind of preparation method of electrode material corson alloy |
| CN110195170A (en) * | 2019-06-25 | 2019-09-03 | 太原晋西春雷铜业有限公司 | A kind of preparation method improving Cu-Ni-Si alloy obdurability |
| CN110195170B (en) * | 2019-06-25 | 2021-04-13 | 太原晋西春雷铜业有限公司 | Preparation method for improving toughness of Cu-Ni-Si alloy |
| CN110218903A (en) * | 2019-07-02 | 2019-09-10 | 西峡龙成特种材料有限公司 | A kind of ESP continuous cast mold narrow copper plate base material and its processing method, ESP continuous cast mold narrow copper plate |
| CN112226637A (en) * | 2020-09-25 | 2021-01-15 | 宁波金田铜业(集团)股份有限公司 | Preparation method of copper-iron intermediate alloy in any proportion |
| CN113215439A (en) * | 2021-04-16 | 2021-08-06 | 安徽绿能技术研究院有限公司 | High-strength copper alloy plate and production process thereof |
| CN115094258A (en) * | 2022-07-13 | 2022-09-23 | 浙江惟精新材料股份有限公司 | High-strength high-plasticity high-bending Cu-Ni-Si-Co alloy and preparation method and application thereof |
| CN115094258B (en) * | 2022-07-13 | 2023-02-17 | 浙江惟精新材料股份有限公司 | High-strength high-plasticity high-bending Cu-Ni-Si-Co alloy and preparation method and application thereof |
| CN115044801A (en) * | 2022-08-16 | 2022-09-13 | 凯美龙精密铜板带（河南）有限公司 | Copper-nickel-silicon alloy strip and preparation method thereof |
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| CN115652135B (en) * | 2022-10-26 | 2023-08-29 | 浙江惟精新材料股份有限公司 | High-strength high-precision copper-nickel-silicon alloy and preparation method thereof |
| CN117512395B (en) * | 2024-01-04 | 2024-03-29 | 宁波兴业盛泰集团有限公司 | High-strength middle-conductive copper nickel silicon tin phosphorus alloy strip foil and preparation method thereof |
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