CN110340173A - A kind of preparation method of 6061 aluminium alloy and the laminated composite plate of T2 copper - Google Patents
A kind of preparation method of 6061 aluminium alloy and the laminated composite plate of T2 copper Download PDFInfo
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- CN110340173A CN110340173A CN201910585721.6A CN201910585721A CN110340173A CN 110340173 A CN110340173 A CN 110340173A CN 201910585721 A CN201910585721 A CN 201910585721A CN 110340173 A CN110340173 A CN 110340173A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/026—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
- C22C21/02—Alloys based on aluminium with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
- C22F1/043—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with silicon as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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Abstract
A kind of preparation method of 6061 aluminium alloy and the laminated composite plate of T2 copper, is related to layered metal composite board preparation technical field.The invention aims to solve existing roll-bonding method presence, energy consumption is high, the production cycle long problem with high production cost and the Solder for Al-Cu Joint Welding laminated composite plate overall mechanical properties difference of preparation.Method: one, 6061 aluminium alloy plates and T2 copper sheet are subjected to cold rolling, again by after cold rolling 6061 aluminium alloy plates and T2 copper sheet carry out hot rolling in a certain temperature conditions, it is air-cooled to after room temperature again to 6061 aluminium alloy plates and T2 copper sheet progress cold rolling after hot rolling, the length and width of 6061 aluminium alloy plates and T2 copper sheet after cold rolling is finally sawed into identical size, obtains the laminated composite plate of 6061 aluminium alloys Yu T2 copper.The present invention is suitable for providing the preparation method of a kind of 6061 aluminium alloys and the laminated composite plate of T2 copper.
Description
Technical field
The present invention relates to layered metal composite board preparation technical fields.
Background technique
Aluminium and copper all have good conductive, heating conduction, are the basic materials in power transmission and heat transfer engineering.With
Copper resource is increasingly short, has become inexorable trend for copper with aluminium section copper.Compared with copper, the surface contacted resistance of aluminium is big, Hen Duoling
Component is directly also had any problem with aluminium for copper.Directly in the compound one layer of copper of aluminium surface, the Solder for Al-Cu Joint Welding laminated composite plate of preparation can improve
The contact resistance of aluminium surface improves welding performance, has many advantages, such as that price is low, light-weight.Conductive industry, thermally conductive industry and
Decoration industry is widely used.For example, many important spare parts in heat exchanger, power transmission and electrical engineering and electric apparatus equipment, including
Cooling fin, thermal-collecting tube and transition plates etc. are all made of Solder for Al-Cu Joint Welding laminated composite plate to manufacture.
The method of domestic and international industrialization preparation Solder for Al-Cu Joint Welding laminated composite plate is mainly roll-bonding method, mainly because it is with skill
The advantages that art difficulty is lower, process window is wider, composite quality is more stable and scale mass production easy to accomplish.Roll-bonding method
Add diffusion annealing method etc. including method hot rolling method and cold rolling, the high-temperature heating temperature of method hot rolling method is high, the time is long, leads to energy consumption
It is larger, production cycle length and high production cost.And cold rolling+diffusion annealing method through a long time diffusion annealing not only reduces aluminium base
The overall mechanical properties of laminated composite plate, the intermetallic compound deterioration interface bond strength easily generated at compound interface, and lead
Enable consumption is larger, production cycle length and high production cost, simultaneously because rolling reduction ratio is big, to the more demanding of milling train.
Summary of the invention
The invention aims to solve existing roll-bonding method presence, energy consumption is high, production cycle length and high production cost
And the problem of the Solder for Al-Cu Joint Welding laminated composite plate overall mechanical properties difference of preparation, and the layer of a kind of 6061 aluminium alloys and T2 copper is provided
The preparation method of shape composite plate.
A kind of preparation method of 6061 aluminium alloy and the laminated composite plate of T2 copper, is completed according to the following steps:
One, by 6061 aluminium alloy cast ingot sawings, obtain length be 4000mm~5000mm, width be 1200mm~
1400mm, 6061 aluminium alloy plates with a thickness of 400mm~450mm, then by 6061 aluminium alloy plates milling face to a thickness of 385mm~
6061 aluminium alloy plates behind milling face are kept the temperature 20min~40min by 395mm under the conditions of 440 DEG C~460 DEG C of temperature, and same
Etc. the thickness of 6061 aluminium alloy plates is hot-rolled down to 2mm~10mm under the conditions of temperature；It is 4000mm that T2 casting in bronze ingot, which is sawed into length,
~5000mm, width be 1200mm~1400mm, with a thickness of 400mm~450mm, obtain T2 copper sheet, by T2 copper sheet 480 DEG C~
Under the conditions of 500 DEG C of temperature keep the temperature 20min~40min, and under the conditions of same temperature by the thickness of T2 copper sheet be hot-rolled down to 2mm~
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is finally sawed into identical size by 10mm；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, 6061 aluminium alloy plates
Annealing temperature is 400 DEG C~460 DEG C, keeps the temperature 2h~3h, and 480 DEG C~520 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 1h~2h；It will
6061 aluminium alloy plates and T2 copper sheet after annealing are air-cooled to room temperature, then that 6061 aluminium alloy plates and T2 copper sheet are successively carried out surface is clear
It washes, polish, assembly and riveting；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction be 55%~65%, then will
6061 aluminium alloy plates and T2 copper sheet after cold rolling are heated to 420 DEG C~450 DEG C, keep the temperature 10min~60min, then 420 DEG C~
Hot rolling is carried out to 6061 aluminium alloy plates and T2 copper sheet under the conditions of 450 DEG C of temperature, hot rolling drafts is 45%~60%, is air-cooled to
After room temperature again to after hot rolling 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold rolling drafts be 10%~15%, most
The length and width of 6061 aluminium alloy plates and T2 copper sheet after cold rolling is sawed into identical size afterwards, obtain 6061 aluminium alloys with
The laminated composite plate of T2 copper.
Beneficial effects of the present invention:
1, the preparation method of the laminated composite plate of a kind of 6061 aluminium alloys of the present invention and T2 copper, to 6061 aluminium alloy plates and T2
Copper sheet successively carries out compound cold rolling, method hot rolling and cold rolling combined processing, and the stratiform of 6061 obtained aluminium alloys and T2 copper is multiple
Plywood, while there is the light weight of the highly conductive of copper, high thermal conductivity, low contact resistance and aluminium, the characteristics such as corrosion-resistant, cheap
And advantage, and the laminated composite plate of 6061 aluminium alloys and T2 copper prepared has good interface shearing bond strength.
2, the laminated composite plate of prepared by the method 6061 aluminium alloy and T2 copper, overcomes middle high strength alumin ium alloy and copper
Compound technical problem realizes the industrialization large-scale production of aluminum-copper composite board, is applied to electronics, electric appliance, electric power, metallurgy
Equipment and each technical field such as automobile mechanical manufacture and the energy.
The present invention is suitable for providing the preparation method of a kind of 6061 aluminium alloys and the laminated composite plate of T2 copper.
Detailed description of the invention
Fig. 1 is 6061 aluminium alloys and T2 copper that compound, method hot rolling and cold rolling combined processing obtain through cold rolling of the present invention
Laminated composite plate interface cohesion figure.
Specific embodiment
Specific embodiment 1: the preparation method of the laminated composite plate of present embodiment 6061 aluminium alloys of one kind and T2 copper,
It completes according to the following steps:
One, by 6061 aluminium alloy cast ingot sawings, obtain length be 4000mm~5000mm, width be 1200mm~
1400mm, 6061 aluminium alloy plates with a thickness of 400mm~450mm, then by 6061 aluminium alloy plates milling face to a thickness of 385mm~
6061 aluminium alloy plates behind milling face are kept the temperature 20min~40min by 395mm under the conditions of 440 DEG C~460 DEG C of temperature, and same
Etc. the thickness of 6061 aluminium alloy plates is hot-rolled down to 2mm~10mm under the conditions of temperature；It is 4000mm that T2 casting in bronze ingot, which is sawed into length,
~5000mm, width be 1200mm~1400mm, with a thickness of 400mm~450mm, obtain T2 copper sheet, by T2 copper sheet 480 DEG C~
Under the conditions of 500 DEG C of temperature keep the temperature 20min~40min, and under the conditions of same temperature by the thickness of T2 copper sheet be hot-rolled down to 2mm~
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is finally sawed into identical size by 10mm；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, 6061 aluminium alloy plates
Annealing temperature is 400 DEG C~460 DEG C, keeps the temperature 2h~3h, and 480 DEG C~520 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 1h~2h；It will
6061 aluminium alloy plates and T2 copper sheet after annealing are air-cooled to room temperature, then that 6061 aluminium alloy plates and T2 copper sheet are successively carried out surface is clear
It washes, polish, assembly and riveting；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction be 55%~65%, then will
6061 aluminium alloy plates and T2 copper sheet after cold rolling are heated to 420 DEG C~450 DEG C, keep the temperature 10min~60min, then 420 DEG C~
Hot rolling is carried out to 6061 aluminium alloy plates and T2 copper sheet under the conditions of 450 DEG C of temperature, hot rolling drafts is 45%~60%, is air-cooled to
After room temperature again to after hot rolling 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold rolling drafts be 10%~15%, most
The length and width of 6061 aluminium alloy plates and T2 copper sheet after cold rolling is sawed into identical size afterwards, obtain 6061 aluminium alloys with
The laminated composite plate of T2 copper.
Present embodiment the utility model has the advantages that
1, the preparation method of the laminated composite plate of a kind of 6061 aluminium alloys of present embodiment and T2 copper, to 6061 aluminium alloy plates
Compound cold rolling, method hot rolling and cold rolling combined processing are successively carried out with T2 copper sheet, the layer of 6061 obtained aluminium alloys and T2 copper
Shape composite plate, while there is the light weight, corrosion-resistant, cheap etc. of the highly conductive of copper, high thermal conductivity, low contact resistance and aluminium
Characteristic and advantage, and the laminated composite plate of 6061 aluminium alloys and T2 copper prepared has good interface shearing bond strength.
2, using 6061 aluminium alloys of present embodiment preparation and the laminated composite plate of T2 copper, middle high strength alumin ium alloy is overcome
The compound technical problem with copper, realizes the industrialization large-scale production of aluminum-copper composite board, be applied to electronics, electric appliance, electric power,
Metallurgical equipment and each technical field such as automobile mechanical manufacture and the energy.
Specific embodiment 2: the differences between this implementation mode and the specific implementation mode are that: described in step 1 6061
The essential element and mass fraction that aluminium alloy cast ingot contains: Si is 0.2%~1.0%, Fe is 0.5%~1.0%, Cu is
0.15%~0.50%, Mn is 0.10%~0.50%, Mg is 0.04%~0.50%, Cr < 0.40%, Zn be 0.10%~
0.15%, Ti is 0.02%~0.04% and total impurities < 0.15%, surplus Al.
Other steps are same as the specific embodiment one.
Specific embodiment 3: present embodiment is with specific embodiment one or two differences: described in step 1
6061 aluminium alloy cast ingots are prepared according to the following steps:
(1) essential element and mass fraction contained by 6061 aluminium alloy cast ingots weigh fine aluminium ingot, pure magnesium ingot, pure zinc ingot,
Aluminium silicon intermediate alloy, aluminium manganese intermediate alloy, aluminum bronze intermediate alloy and aluminium titanium intermediate alloy；
(2) it by after fine aluminium ingot in part weighed in step (1) fusing, pours on the pedestal in crystallizer, then by step (1)
In weighed pure zinc ingot, aluminium silicon intermediate alloy, aluminium manganese intermediate alloy, aluminum bronze intermediate alloy, aluminium titanium intermediate alloy and remaining
Fine aluminium ingot is added in smelting furnace, is warming up to 740 DEG C~760 DEG C, is stirred and removes the gred after fusing, step is added after slagging-off
(1) weighed pure magnesium ingot in, and No. 1 coverture is added, then melting 15min~30min uses Ar-Cl2Gaseous mixture refining,
After standing 25min~30min, molten aluminium alloy is obtained；
Ar-Cl is used in step (2)2The volume that gaseous mixture is refined to hydrogen in every 100g molten aluminium alloy is less than 0.25mL；
(3) the ceramic filter filtering that molten aluminium alloy is successively passed through to 30 mesh and 50 mesh, is then injected into step (2)
In crystallizer, and aluminium Ti, B grain graining agent is uniformly added into the molten aluminium alloy of crystallizer through chute, be warming up to 710 DEG C~
It 730 DEG C, casts, obtains under conditions of hydraulic pressure is 0.045MPa~0.20MPa plus water speed is 22mm/min~60mm/min
6061 aluminium alloy cast ingots.
Other steps are the same as one or two specific embodiments.
Specific embodiment 4: one of present embodiment and specific embodiment one to three difference are: institute in step 1
The essential element and mass fraction that the T2 casting in bronze ingot stated contains: Bi be 0.001%~0.002%, Pb be 0.003%~
It is 0.001%~0.003%, As is 0.001%~0.002%, S < that 0.005%, Fe, which are 0.003%~0.005%, Sb,
0.005%, surplus Cu.
Other steps are identical as specific embodiment one to three.
Specific embodiment 5: one of present embodiment and specific embodiment one to four difference are: the step 2
Middle to be cleaned with surface of the organic solvent to 6061 aluminium alloy plates and T2 copper sheet, the organic solvent is dehydrated alcohol, step
It is polished in rapid two with surface of the angle grinder to 6061 aluminium alloy plates and T2 copper sheet.
Other steps are identical as specific embodiment one to four.
Specific embodiment 6: one of present embodiment and specific embodiment one to five difference are: institute in step 2
The step of assembly stated and riveting are as follows: 6061 aluminium alloy plates and T2 copper sheet are stacked together, and in 6061 aluminium alloy plates and T2
It punches and rivets with the direction perpendicular to plate face in the position at four angles of copper sheet.
Other steps are identical as specific embodiment one to five.
Specific embodiment 7: one of present embodiment and specific embodiment one to six difference are: institute in step (1)
The aluminium silicon intermediate alloy stated is Al-22%Si alloy, and aluminium manganese intermediate alloy is Al-10%Mn alloy, aluminum bronze intermediate alloy Al-
40%Cu alloy, aluminium titanium intermediate alloy are Al-5%Ti alloy.
Other steps are identical as specific embodiment one to six.
Specific embodiment 8: one of present embodiment and specific embodiment one to seven difference are: institute in step (2)
No. 1 coverture stated is by mass fraction by 50%KCl, 26%NaCl and 24%NaAlF6Composition, the dosage of No. 1 coverture are step
Suddenly 0.4%~0.6% of molten aluminium alloy quality obtained in (2).
Other steps are identical as specific embodiment one to seven.
Specific embodiment 9: one of present embodiment and specific embodiment one to eight difference are: step (2) is described
Ar-Cl2Ar and Cl in gaseous mixture2Volume ratio be 96:4.
Other steps are identical as specific embodiment one to eight.
Specific embodiment 10: one of present embodiment and specific embodiment one to nine difference are: institute in step (3)
The aluminium Ti, B grain graining agent stated is Al-5%Ti-1%B alloy, with the speed of 300mm/min~600mm/min in step (3)
Aluminium Ti, B grain graining agent is uniformly added into the molten aluminium alloy of crystallizer through chute, time 70min~90min is added.
Other steps are identical as specific embodiment one to nine.
Beneficial effects of the present invention are verified using following embodiment:
One: 6061 aluminium alloy cast ingot of embodiment is prepared according to the following steps:
(1) essential element and mass fraction contained by 6061 aluminium alloy cast ingots weigh fine aluminium ingot, pure magnesium ingot, pure zinc ingot,
Aluminium silicon intermediate alloy, aluminium manganese intermediate alloy, aluminum bronze intermediate alloy and aluminium titanium intermediate alloy；
(2) it by after fine aluminium ingot in part weighed in step (1) fusing, pours on the pedestal in crystallizer, then by step (1)
In weighed pure zinc ingot, aluminium silicon intermediate alloy, aluminium manganese intermediate alloy, aluminum bronze intermediate alloy and aluminium titanium intermediate alloy and remaining
Fine aluminium ingot be added in smelting furnace, be warming up to 750 DEG C, be stirred and remove the gred after fusing, after slagging-off be added step (1) in claim
The pure magnesium ingot taken, and No. 1 coverture is added, then melting 30min uses Ar-Cl2It is molten that gaseous mixture is refined to every 100g aluminium alloy
The volume of hydrogen is that 0.2mL obtains molten aluminium alloy after standing 30min in liquid；
(3) the ceramic filter filtering that molten aluminium alloy is successively passed through to 30 mesh and 50 mesh, is then injected into step (2)
In crystallizer, and aluminium Ti, B grain graining agent is uniformly added into the molten aluminium alloy of crystallizer through chute, is warming up to 730 DEG C,
It is cast under conditions of hydraulic pressure is 0.20MPa plus water speed is 60mm/min, obtains 6061 aluminium alloy cast ingots；
The essential element and mass fraction that 6061 aluminium alloy cast ingots contain: Si 1.0%, Fe 1.0%, Cu are
0.45%, Mn 0.15%, Mg 0.25%, Cr 0.3%, Zn 0.15%, Ti are 0.03% and total impurities are 0.1%,
Surplus is Al；
Aluminium silicon intermediate alloy described in step (1) is Al-22%Si alloy, and aluminium manganese intermediate alloy is Al-10%Mn conjunction
Gold, aluminum bronze intermediate alloy are Al-40%Cu alloy, and aluminium titanium intermediate alloy is Al-5%Ti alloy；
No. 1 coverture is by mass fraction by 50%KCl, 26%NaCl and 24%NaAlF described in step (2)6Composition,
The dosage of No. 1 coverture is 0.5% of molten aluminium alloy quality in smelting furnace, Ar-Cl described in step (2)2Ar in gaseous mixture
With Cl2Volume ratio be 96:4；
Aluminium Ti, B grain graining agent described in step (3) is Al-5%Ti-1%B alloy, with 500mm/ in step (3)
Aluminium Ti, B grain graining agent is uniformly added into the molten aluminium alloy of crystallizer by the speed of min through chute, and time 80min is added.
Embodiment two: the preparation method of the laminated composite plate of the present embodiment 6061 aluminium alloys of one kind and T2 copper, by following step
It is rapid to complete:
One, the 6061 aluminium alloy cast ingot sawings for preparing embodiment one, obtain length be 4500mm, width 1300mm,
With a thickness of 6061 aluminium alloy plates of 430mm, then by 6061 aluminium alloy plates milling face extremely with a thickness of 390mm, by 6061 aluminium behind milling face
Alloy sheets keep the temperature 30min under the conditions of 450 DEG C of temperature, and by the thickness hot rolling of 6061 aluminium alloy plates under the conditions of same temperature
To 6mm；By T2 casting in bronze ingot be sawed into length be 4500mm, width 1300mm, with a thickness of 430mm, T2 copper sheet is obtained, by T2 copper
Plate keeps the temperature 30min under the conditions of 490 DEG C of temperature, and the thickness of T2 copper sheet is hot-rolled down to 3mm under the conditions of same temperature, finally
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is sawed into identical size；
The essential element and mass fraction that T2 casting in bronze ingot contains: Bi 0.0015%, Pb 0.004%, Fe are
0.004%, Sb 0.002%, As 0.0015%, S 0.003%, surplus Cu；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, 6061 aluminium alloy plates
Annealing temperature is 440 DEG C, keeps the temperature 2.5h, and 500 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 1.5h；By 6061 aluminium alloys after annealing
Plate and T2 copper sheet are air-cooled to room temperature, then 6061 aluminium alloy plates and T2 copper sheet are successively carried out surface clean, polishing, assembly and riveting
It connects；
Cleaning removal pollutant is carried out with surface of the dehydrated alcohol to 6061 aluminium alloy plates and T2 copper sheet in step 2；Use angle
Grinding machine polishes to the surface of 6061 aluminium alloy plates and T2 copper sheet, it is made to expose fresh metal gloss, and the disc of angle grinder is straight
Diameter is 100mm, and revolving speed is 1.1 × 104R/min, the granularity of louvre blade are 60 mesh；The step of assembly and riveting are as follows: by 6061 aluminium
Alloy sheets and T2 copper sheet are stacked together, and in the position at four angles of 6061 aluminium alloy plates and T2 copper sheet perpendicular to plate face
Direction electric drill is punched and is riveted, and 6061 aluminium alloy plates and T2 copper sheet is made not to deflect in rolling phenomenon；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction 56.7%, then by cold rolling
6061 aluminium alloy plates and T2 copper sheet afterwards are heated to 450 DEG C, 30min are kept the temperature, then to 6061 aluminium under the conditions of 450 DEG C of temperature
Alloy sheets and T2 copper sheet carry out hot rolling, and hot rolling drafts is 53.5%, are air-cooled to after room temperature again to 6061 aluminium alloys after hot rolling
Plate and T2 copper sheet carry out cold rolling, and cold rolling drafts is 12.7%, finally by 6061 aluminium alloy plates and T2 copper after cold rolling
The length and width of plate is sawed into identical size, obtains the laminated composite plate of 6061 aluminium alloys Yu T2 copper；
6061 aluminium alloys of preparation and the laminated composite plate of T2 copper, tensile strength reach 280MPa, and aluminum bronze interface cohesion is strong
Degree reaches 120MPa.
Embodiment three: the preparation method of the laminated composite plate of the present embodiment 6061 aluminium alloys of one kind and T2 copper, by following step
It is rapid to complete:
One, the 6061 aluminium alloy cast ingot sawings for preparing embodiment one, obtain length be 4600mm, width 1350mm,
With a thickness of 6061 aluminium alloy plates of 435mm, then by 6061 aluminium alloy plates milling face extremely with a thickness of 392mm, by 6061 aluminium behind milling face
Alloy sheets keep the temperature 35min under the conditions of 452 DEG C of temperature, and by the thickness hot rolling of 6061 aluminium alloy plates under the conditions of same temperature
To 5mm；By T2 casting in bronze ingot be sawed into length be 4600mm, width 1350mm, with a thickness of 435mm, T2 copper sheet is obtained, by T2 copper
Plate keeps the temperature 35min under the conditions of 495 DEG C of temperature, and the thickness of T2 copper sheet is hot-rolled down to 3mm under the conditions of same temperature, finally
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is sawed into identical size；
The essential element and mass fraction that T2 casting in bronze ingot contains: Bi 0.0015%, Pb 0.004%, Fe are
0.004%, Sb 0.002%, As 0.0015%, S 0.003%, surplus Cu；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, 6061 aluminium alloy plates
Annealing temperature is 445 DEG C, keeps the temperature 3h, and 505 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 2h；By after annealing 6061 aluminium alloy plates and
T2 copper sheet is air-cooled to room temperature, then 6061 aluminium alloy plates and T2 copper sheet are successively carried out surface clean, polishing, assembly and riveting；
Cleaning removal pollutant is carried out with surface of the dehydrated alcohol to 6061 aluminium alloy plates and T2 copper sheet in step 2；Use angle
Grinding machine polishes to the surface of 6061 aluminium alloy plates and T2 copper sheet, it is made to expose fresh metal gloss, and the disc of angle grinder is straight
Diameter is 100mm, and revolving speed is 1.2 × 104R/min, the granularity of louvre blade are 60 mesh；The step of assembly and riveting are as follows: by 6061 aluminium
Alloy sheets and T2 copper sheet are stacked together, and in the position at four angles of 6061 aluminium alloy plates and T2 copper sheet perpendicular to plate face
Direction electric drill is punched and is riveted, and 6061 aluminium alloy plates and T2 copper sheet is made not to deflect in rolling phenomenon；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction 57%, then will be after cold rolling
6061 aluminium alloy plates and T2 copper sheet be heated to 445 DEG C, keep the temperature 30min, then 6061 aluminium closed under the conditions of 445 DEG C of temperature
Golden plate and T2 copper sheet carry out hot rolling, and hot rolling drafts is 48%, be air-cooled to after room temperature again to after hot rolling 6061 aluminium alloy plates and
T2 copper sheet carries out cold rolling, and cold rolling drafts is 12%, finally by the length of 6061 aluminium alloy plates and T2 copper sheet after cold rolling
Degree and width are sawed into identical size, obtain the laminated composite plate of 6061 aluminium alloys Yu T2 copper；
6061 aluminium alloys of preparation and the laminated composite plate of T2 copper, tensile strength reach 300MPa, and aluminum bronze interface cohesion is strong
Degree reaches 100MPa.
Example IV: the preparation method of the laminated composite plate of the present embodiment 6061 aluminium alloys of one kind and T2 copper, by following step
It is rapid to complete:
One, the 6061 aluminium alloy cast ingot sawings for preparing embodiment one, obtain length be 4700mm, width 1370mm,
With a thickness of 6061 aluminium alloy plates of 440mm, then by 6061 aluminium alloy plates milling face extremely with a thickness of 395mm, by 6061 aluminium behind milling face
Alloy sheets keep the temperature 30min under the conditions of 450 DEG C of temperature, and by the thickness hot rolling of 6061 aluminium alloy plates under the conditions of same temperature
To 3mm；By T2 casting in bronze ingot be sawed into length be 4700mm, width 1370mm, with a thickness of 440mm, T2 copper sheet is obtained, by T2 copper
Plate keeps the temperature 35min under the conditions of 495 DEG C of temperature, and the thickness of T2 copper sheet is hot-rolled down to 3mm under the conditions of same temperature, finally
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is sawed into identical size；
The essential element and mass fraction that T2 casting in bronze ingot contains: Bi 0.0015%, Pb 0.004%, Fe are
0.004%, Sb 0.002%, As 0.0015%, S 0.003%, surplus Cu；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, 6061 aluminium alloy plates
Annealing temperature is 440 DEG C, keeps the temperature 2.5h, and 500 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 1.5h；By 6061 aluminium alloys after annealing
Plate and T2 copper sheet are air-cooled to room temperature, then 6061 aluminium alloy plates and T2 copper sheet are successively carried out surface clean, polishing, assembly and riveting
It connects；
Cleaning removal pollutant is carried out with surface of the dehydrated alcohol to 6061 aluminium alloy plates and T2 copper sheet in step 2；Use angle
Grinding machine polishes to the surface of 6061 aluminium alloy plates and T2 copper sheet, it is made to expose fresh metal gloss, and the disc of angle grinder is straight
Diameter is 100mm, and revolving speed is 1.1 × 104R/min, the granularity of louvre blade are 60 mesh；The step of assembly and riveting are as follows: by 6061 aluminium
Alloy sheets and T2 copper sheet are stacked together, and in the position at four angles of 6061 aluminium alloy plates and T2 copper sheet perpendicular to plate face
Direction electric drill is punched and is riveted, and 6061 aluminium alloy plates and T2 copper sheet is made not to deflect in rolling phenomenon；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction 55%, then will be after cold rolling
6061 aluminium alloy plates and T2 copper sheet be heated to 450 DEG C, keep the temperature 30min, then 6061 aluminium closed under the conditions of 450 DEG C of temperature
Golden plate and T2 copper sheet carry out hot rolling, and hot rolling drafts is 45%, be air-cooled to after room temperature again to after hot rolling 6061 aluminium alloy plates and
T2 copper sheet carries out cold rolling, and cold rolling drafts is 10.5%, finally by 6061 aluminium alloy plates and T2 copper sheet after cold rolling
Length and width is sawed into identical size, obtains the laminated composite plate of 6061 aluminium alloys Yu T2 copper；
6061 aluminium alloys of preparation and the laminated composite plate of T2 copper, tensile strength reach 310MPa, and aluminum bronze interface cohesion is strong
Degree reaches 90MPa.
Embodiment five: the preparation method of the laminated composite plate of the present embodiment 6061 aluminium alloys of one kind and T2 copper, by following step
It is rapid to complete:
One, the 6061 aluminium alloy cast ingot sawings for preparing embodiment one, obtain length be 4700mm, width 1300mm,
With a thickness of 6061 aluminium alloy plates of 440mm, then by 6061 aluminium alloy plates milling face extremely with a thickness of 390mm, by 6061 aluminium behind milling face
Alloy sheets keep the temperature 30min under the conditions of 450 DEG C of temperature, and by the thickness hot rolling of 6061 aluminium alloy plates under the conditions of same temperature
To 2mm；By T2 casting in bronze ingot be sawed into length be 4700mm, width 1300mm, with a thickness of 440mm, T2 copper sheet is obtained, by T2 copper
Plate keeps the temperature 30min under the conditions of 490 DEG C of temperature, and the thickness of T2 copper sheet is hot-rolled down to 3mm under the conditions of same temperature, finally
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is sawed into identical size；
The essential element and mass fraction that T2 casting in bronze ingot contains: Bi 0.0015%, Pb 0.004%, Fe are
0.004%, Sb 0.002%, As 0.0015%, S 0.003%, surplus Cu；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, 6061 aluminium alloy plates
Annealing temperature is 440 DEG C, keeps the temperature 2.5h, and 500 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 1.5h；By 6061 aluminium alloys after annealing
Plate and T2 copper sheet are air-cooled to room temperature, then 6061 aluminium alloy plates and T2 copper sheet are successively carried out surface clean, polishing, assembly and riveting
It connects；
Cleaning removal pollutant is carried out with surface of the dehydrated alcohol to 6061 aluminium alloy plates and T2 copper sheet in step 2；Use angle
Grinding machine polishes to the surface of 6061 aluminium alloy plates and T2 copper sheet, it is made to expose fresh metal gloss, and the disc of angle grinder is straight
Diameter is 100mm, and revolving speed is 1.1 × 104R/min, the granularity of louvre blade are 60 mesh；The step of assembly and riveting are as follows: by 6061 aluminium
Alloy sheets and T2 copper sheet are stacked together, and in the position at four angles of 6061 aluminium alloy plates and T2 copper sheet perpendicular to plate face
Direction electric drill is punched and is riveted, and 6061 aluminium alloy plates and T2 copper sheet is made not to deflect in rolling phenomenon；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction 54%, then will be after cold rolling
6061 aluminium alloy plates and T2 copper sheet be heated to 450 DEG C, keep the temperature 30min, then 6061 aluminium closed under the conditions of 450 DEG C of temperature
Golden plate and T2 copper sheet carry out hot rolling, and hot rolling drafts is 45%, be air-cooled to after room temperature again to after hot rolling 6061 aluminium alloy plates and
T2 copper sheet carries out cold rolling, and cold rolling drafts is 11%, finally by the length of 6061 aluminium alloy plates and T2 copper sheet after cold rolling
Degree and width are sawed into identical size, obtain the laminated composite plate of 6061 aluminium alloys Yu T2 copper；
6061 aluminium alloys of preparation and the laminated composite plate of T2 copper, tensile strength reach 320MPa, and aluminum bronze interface cohesion is strong
Degree reaches 80MPa.
Claims (10)
1. a kind of preparation method of the laminated composite plate of 6061 aluminium alloys and T2 copper, it is characterised in that the preparation method presses following step
It is rapid to complete:
One, by 6061 aluminium alloy cast ingot sawings, obtain that length is 4000mm~5000mm, width is 1200mm~1400mm, thickness
Degree is 6061 aluminium alloy plates of 400mm~450mm, then 6061 aluminium alloy plates milling face will be milled to a thickness of 385mm~395mm
6061 aluminium alloy plates behind face keep the temperature 20min~40min under the conditions of 440 DEG C~460 DEG C of temperature, and in same temperature condition
The lower thickness by 6061 aluminium alloy plates is hot-rolled down to 2mm~10mm；It is 4000mm~5000mm, width that T2 casting in bronze ingot, which is sawed into length,
Degree is 1200mm~1400mm, with a thickness of 400mm~450mm, obtains T2 copper sheet, the temperature by T2 copper sheet at 480 DEG C~500 DEG C
Under the conditions of keep the temperature 20min~40min, and the thickness of T2 copper sheet is hot-rolled down to 2mm~10mm under the conditions of same temperature, finally will
The length and width of 6061 aluminium alloy plates and T2 copper sheet after hot rolling is sawed into identical size；
Two, 6061 aluminium alloy plates for being sawed into identical size and T2 copper sheet are annealed respectively, the annealing of 6061 aluminium alloy plates
Temperature is 400 DEG C~460 DEG C, keeps the temperature 2h~3h, and 480 DEG C~520 DEG C of the annealing temperature of T2 copper sheet keeps the temperature 1h~2h；It will annealing
6061 aluminium alloy plates and T2 copper sheet afterwards are air-cooled to room temperature, then by 6061 aluminium alloy plates and T2 copper sheet successively carry out surface clean,
Polishing, assembly and riveting；
Three, by after riveting 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold roling reduction is 55%~65%, then by cold rolling
6061 aluminium alloy plates and T2 copper sheet afterwards are heated to 420 DEG C~450 DEG C, 10min~60min are kept the temperature, then 420 DEG C~450
DEG C temperature under the conditions of hot rolling is carried out to 6061 aluminium alloy plates and T2 copper sheet, hot rolling drafts is 45%~60%, is air-cooled to room
Wen Houzai to after hot rolling 6061 aluminium alloy plates and T2 copper sheet carry out cold rolling, cold rolling drafts be 10%~15%, finally
The length and width of 6061 aluminium alloy plates and T2 copper sheet after cold rolling is sawed into identical size, obtains 6061 aluminium alloys and T2
The laminated composite plate of copper.
2. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 1 and T2 copper, feature exist
In essential element and mass fraction that 6061 aluminium alloy cast ingot described in step 1 contains: Si is 0.2%~1.0%, Fe is
0.5%~1.0%, Cu is 0.15%~0.50%, Mn is 0.10%~0.50%, Mg is 0.04%~0.50%, Cr <
0.40%, Zn is 0.10%~0.15%, Ti is 0.02%~0.04% and total impurities < 0.15%, surplus Al.
3. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 2 and T2 copper, feature exist
It is prepared according to the following steps in 6061 aluminium alloy cast ingot described in step 1:
(1) essential element and mass fraction contained by 6061 aluminium alloy cast ingots weighs fine aluminium ingot, pure magnesium ingot, pure zinc ingot, aluminium silicon
Intermediate alloy, aluminium manganese intermediate alloy, aluminum bronze intermediate alloy and aluminium titanium intermediate alloy；
(2) it by after fine aluminium ingot in part weighed in step (1) fusing, pours on the pedestal in crystallizer, then will claim in step (1)
Pure zinc ingot, aluminium silicon intermediate alloy, aluminium manganese intermediate alloy, aluminum bronze intermediate alloy, aluminium titanium intermediate alloy and the remaining fine aluminium taken
Ingot is added in smelting furnace, is warming up to 740 DEG C~760 DEG C, is stirred and removes the gred after fusing, is added in step (1) after slagging-off
Weighed pure magnesium ingot, and No. 1 coverture is added, then melting 15min~30min uses Ar-Cl2Gaseous mixture refining, stands
After 25min~30min, molten aluminium alloy is obtained；
Ar-Cl is used in step (2)2The volume that gaseous mixture is refined to hydrogen in every 100g molten aluminium alloy is less than 0.25mL；
(3) molten aluminium alloy is successively passed through to the ceramic filter filtering of 30 mesh and 50 mesh, the crystallization being then injected into step (2)
In device, and aluminium Ti, B grain graining agent is uniformly added into the molten aluminium alloy of crystallizer through chute, is warming up to 710 DEG C~730
DEG C, it casts, obtains under conditions of hydraulic pressure is 0.045MPa~0.20MPa plus water speed is 22mm/min~60mm/min
6061 aluminium alloy cast ingots.
4. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 1 and T2 copper, feature exist
In essential element and mass fraction that T2 casting in bronze ingot described in step 1 contains: Bi is that 0.001%~0.002%, Pb is
0.003%~0.005%, Fe be 0.003%~0.005%, Sb be 0.001%~0.003%, As be 0.001%~
0.002%, S < 0.005%, surplus Cu.
5. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 1 and T2 copper, feature exist
It is cleaned in the step 2 with surface of the organic solvent to 6061 aluminium alloy plates and T2 copper sheet, the organic solvent is
Dehydrated alcohol is polished with surface of the angle grinder to 6061 aluminium alloy plates and T2 copper sheet in step 2.
6. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 1 and T2 copper, feature exist
The step of assembly described in step 2 and riveting are as follows: 6061 aluminium alloy plates and T2 copper sheet are stacked together, and 6061
It punches and rivets with the direction perpendicular to plate face in the position at four angles of aluminium alloy plate and T2 copper sheet.
7. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 1 and T2 copper, feature exist
The aluminium silicon intermediate alloy described in step (1) is Al-22%Si alloy, and aluminium manganese intermediate alloy is Al-10%Mn alloy, aluminum bronze
Intermediate alloy is Al-40%Cu alloy, and aluminium titanium intermediate alloy is Al-5%Ti alloy.
8. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 3 and T2 copper, feature exist
No. 1 coverture described in step (2) is by mass fraction by 50%KCl, 26%NaCl and 24%NaAlF6Composition, No. 1 covers
The dosage of lid agent is 0.4%~0.6% of molten aluminium alloy quality obtained in step (2).
9. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 3 and T2 copper, feature exist
The Ar-Cl described in step (2)2Ar and Cl in gaseous mixture2Volume ratio be 96:4.
10. the preparation method of the laminated composite plate of a kind of 6061 aluminium alloy according to claim 3 and T2 copper, feature exist
The aluminium Ti, B grain graining agent described in step (3) is Al-5%Ti-1%B alloy, in step (3) with 300mm/min~
Aluminium Ti, B grain graining agent is uniformly added into the molten aluminium alloy of crystallizer by the speed of 600mm/min through chute, and the time is added
70min~90min.
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