CN114472520A - Method for preparing rolling assembly of aluminum/copper/aluminum bimetal composite plate - Google Patents
Method for preparing rolling assembly of aluminum/copper/aluminum bimetal composite plate Download PDFInfo
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- CN114472520A CN114472520A CN202111574693.1A CN202111574693A CN114472520A CN 114472520 A CN114472520 A CN 114472520A CN 202111574693 A CN202111574693 A CN 202111574693A CN 114472520 A CN114472520 A CN 114472520A
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 107
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 107
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000010949 copper Substances 0.000 title claims abstract description 94
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 90
- 239000002131 composite material Substances 0.000 title claims abstract description 71
- 238000005096 rolling process Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000000137 annealing Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000011282 treatment Methods 0.000 claims abstract description 17
- 238000004381 surface treatment Methods 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000005406 washing Methods 0.000 claims description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- 238000005498 polishing Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 6
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000005097 cold rolling Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 238000005253 cladding Methods 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 6
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical class [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 4
- 238000005219 brazing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910000765 intermetallic Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
-
- 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
-
- 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
- B21B2001/386—Plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate comprises the steps of selecting raw materials of an aluminum pipe and a copper plate; sequentially carrying out annealing treatment, surface treatment, rolling and assembling, rolling and post-treatment on the selected raw materials; the invention specifically provides a method for preparing a bimetal composite plate by adopting a cladding type assembly, blank body fitting, one-time cold rolling and homogenizing annealing comprehensive method; the pipe and the plate are adopted for cladding assembly, so that a low vacuum environment is formed, the problem of oxidation between component metal interfaces is solved, the surface of the bonding material is polished, and finally, homogenizing annealing is carried out, so that the bonding strength is obviously improved; the method for rolling and assembling the bimetal composite plate has the advantages of high bonding interface strength, uniform interface layer, higher tensile strength, simple and reliable preparation process, low cost and environmental friendliness.
Description
Technical Field
The invention belongs to the technical field of preparing layered composite materials, and particularly relates to a method for preparing an aluminum/copper/aluminum bimetal composite plate rolling assembly.
Technical Field
The connection of the bimetal composite plate refers to a process of connecting two different materials under a certain condition to form a complete structure. The bimetal composite board has wide application prospect in the fields of machinery, chemical engineering, petroleum, natural gas, electronics, medical equipment, aerospace and the like because the connection of the bimetal composite board can play the respective excellent performance of the materials. The physical and chemical properties of the components of the bimetal composite material are greatly different, and the problems of chemical incompatibility, uneven interface heating and the like are easily caused, so that the comprehensive mechanical property of the bimetal composite material is poor, and the requirement in practical application cannot be met
At present, the method for preparing the bimetal composite plate mainly comprises 3 methods, namely brazing, explosive welding and vacuum hot pressing.
Brazing: the bonding strength is not high, brazing filler metal is easy to cause unevenness in the process of laying the brazing filler metal, welding leakage and the like can occur, and the method is not suitable for direct welding of large-size composite plates.
Explosion welding: almost can realize the connection of any same or different metals, and the subsequent processing performance of the obtained composite board is good, but the method has difficult control on the board shape, is not suitable for continuous production, has low yield, can obtain the composite board with stable performance only by explosion welding twice when welding three layers of composite boards, and has low efficiency.
Vacuum hot pressing: compared with the traditional hot rolling method, the method has the advantages that the composite plate interface is always in high vacuum, and the interface in the heating process is hardly oxidized, so that the interface bonding performance is greatly improved. However, the method has the defects of complicated process, complex operation and incapability of processing thicker composite plates.
At present, a cold rolling method for preparing the bimetal composite plate is not applied in a large quantity, and besides some problems in the preparation process, the bimetal composite plate is characterized in that materials are always exposed in the air in the rolling process, the mechanical bonding degree is weak after the cold rolling, and the oxidation problem exists in the subsequent heat treatment. The invention improves the material preparation, the rolling assembly and the rolling process, and solves the problems of the common process.
Among a large number of bimetal composite boards, the copper/aluminum bimetal composite board is mainly applied to electrolytic bath parts for zinc hydrometallurgy, and the selected materials are required to have excellent conductivity and certain corrosion resistance, but the connection of the copper/aluminum bimetal composite board still has the problems of generation of hard and brittle interface compounds, defects at the connection part and the like, the connection strength is not high, and the comprehensive performance is poor. Therefore, a new process is needed to prepare a high-performance copper/aluminum bimetal composite material. Copper/aluminum composite panels are exemplified in this invention.
Disclosure of Invention
The invention aims to provide a method for preparing a rolling assembly of an aluminum/copper/aluminum bimetal composite plate, which promotes reliable connection between bimetal by improving a rolling technology assembly mode so as to avoid the problem of connection between dissimilar metals, thereby meeting the actual requirement and simultaneously realizing a certain degree of intermediate process flow.
The technical scheme adopted by the invention is that the method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate is implemented according to the following steps:
step 1, selecting raw materials of an aluminum pipe and a copper plate;
step 2, annealing the raw materials in the step 1;
step 3, carrying out surface treatment on the annealed raw material;
step 4, rolling and assembling;
step 5, rolling;
and 6, carrying out post-treatment on the material rolled in the step 5.
The invention is also characterized in that:
wherein the aluminum pipe is 1060 pure aluminum, the copper plate is T2 pure copper, and the thickness and the length of the aluminum material are 2-10 mm larger than those of the copper plate;
in the step 2, annealing treatment is carried out on T2 pure copper at the temperature of 300-400 ℃ for 1-2 h, and annealing treatment is carried out on 1060 pure aluminum at the temperature of 200-250 ℃ for 2-4 h;
wherein the surface treatment in the step 3 comprises the following specific processes: putting the aluminum pipe in the step 2 into a 10% NaOH solution for alkali washing for 5-10 min, firstly polishing black oxides on the surface of the copper block in the step 2 by using a steel brush, then putting the copper block into a 10% nitric acid alcohol solution for acid washing for 10min, then putting the copper block into an ultrasonic cleaning instrument, adding alcohol for cleaning for 30min, and finally blowing the aluminum block to dry by using a blower;
the rolling and assembling process comprises the following steps: inserting the copper plate subjected to surface treatment in the step 3 into an aluminum pipe to obtain a combined aluminum-clad copper group blank, and laminating the combined aluminum-clad copper group blank by using a rolling mill, wherein the rolling rate is 0%, and the distance between two rollers is 2 multiplied by the thickness of the aluminum pipe and the thickness of the copper plate;
wherein the specific rolling process in the step 5 comprises the following steps: a one-pass rolling method is adopted, and the rolling rate is 60% -80%;
the post-treatment in the step 6 comprises the following specific processes: and (3) annealing the rolled composite material at 250-450 ℃ for 2-8 h, and then cutting edges and finishing the annealed material to obtain the aluminum/copper/aluminum composite material.
The invention has the beneficial effects that:
according to the method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate, the assembly mode ensures that the component interfaces are in a low vacuum state, the formation of an oxide layer in the rolling and heat treatment processes is reduced to a great extent, and the interface bonding strength is effectively improved; the finished composite board integrates the excellent properties of the component materials, the specific gravity of the composite board is reduced under the condition of reducing the cost, and the comprehensive properties are obviously improved; the process is simple, the three-layer composite board can be finished by only one-time rolling, the operation is simple, and the cost is low.
Drawings
FIG. 1 is a three-dimensional schematic view of a method of making an aluminum/copper/aluminum bi-metal composite plate rolling assembly according to the present invention in a bi-metal rolling assembly manner;
FIG. 2 is a graph showing the interface morphology of the aluminum/copper/aluminum composite material in example 1 of the method of the present invention for producing a rolled assembly of an aluminum/copper/aluminum bi-metal composite plate;
FIG. 3 is a graph showing the morphology of intermetallic compounds in the Al/Cu/Al composite material in example 1 of the method of the present invention for preparing a rolled assembly of an Al/Cu/Al bimetallic composite plate;
FIG. 4 is a graph showing the morphology of intermetallic compounds in an Al/Cu/Al composite material in a method for manufacturing a rolled assembly of an Al/Cu/Al bimetallic composite plate by a conventional rolling method;
fig. 5 is a graph showing the tensile strength curve of the aluminum/copper/aluminum composite material in the embodiment of the method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to the invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a method for preparing an aluminum/copper/aluminum bimetal composite plate rolling assembly, which comprises the steps of firstly, carrying out annealing treatment on prepared component materials, and then carrying out surface treatment on the component materials by using a steel brush; then carrying out deoxidation surface treatment; then, assembling and rolling according to the sandwich structure; finally, carrying out homogenization annealing treatment on the rolled material;
the method specifically comprises the following steps:
step 1, selecting raw materials: 1060 pure aluminum tube, T2 pure copper plate;
step 2, annealing treatment: carrying out annealing treatment on T2 pure copper at the temperature of 300-400 ℃ for 1-2 h, and carrying out annealing treatment on 1060 pure aluminum at the temperature of 200-250 ℃ for 2-4 h;
step 3, surface treatment: putting the aluminum pipe in the step 2 into a 10% NaOH solution for alkali washing for 5-10 min, firstly polishing black oxides on the surface of the copper block in the step 2 by using a steel brush, then putting the copper block into a 10% nitric acid alcohol solution for acid washing for 10min, then putting the copper block into an ultrasonic cleaning instrument, adding alcohol for cleaning for 30min, and finally blowing the aluminum block to dry by using a blower;
step 4, rolling and assembling: inserting the copper plate subjected to surface treatment in the step 3 into an aluminum pipe to obtain a combined aluminum-clad copper group blank, and laminating the combined aluminum-clad copper group blank by a rolling mill as shown in fig. 1, wherein the rolling rate is 0%, and the distance between two rollers is 2 × the thickness of the aluminum pipe and the thickness of the copper plate;
step 5, rolling: a one-pass rolling method is adopted, and the rolling rate is 60% -80%;
and 6, post-treatment: and (3) annealing the rolled composite material at 250-450 ℃ for 2-8 h, and then cutting edges and finishing the annealed material to obtain the aluminum/copper/aluminum composite material.
The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to the invention is further explained in detail by the specific embodiment.
Example 1
A1060 pure aluminum tube with a length of 75mm and a wall thickness of 2mm was selected, and a T2 pure copper plate with a length, width and height of 60X 15X 1mm, respectively. T2 pure copper was annealed at 375 ℃ for 1.5h, and 1060 pure aluminum was annealed at 300 ℃ for 1 h. And (2) putting the aluminum block into a 10% NaOH solution for alkali washing for 10min, firstly polishing the surface oxide of the copper block by using a steel brush, putting the copper block into a 10% nitric acid alcohol solution for acid washing, performing acid washing for 10min, adding the copper block into alcohol, and washing for 30min by using an ultrasonic cleaner. The method comprises the steps of firstly laminating blanks in an aluminum-clad-copper assembly mode, rolling the laminated copper-aluminum composite blanks through a rolling mill, adopting a one-pass rolling method with the rolling rate of 60%, and annealing the rolled composite materials at the temperature of 450 ℃ for 4 hours to obtain the aluminum/copper/aluminum composite materials.
Observing the interface of the composite material by an electron microscope, wherein as shown in figure 2, the interface has no cracks and certain intermetallic compounds under the condition of 300 times; when the material is observed under magnification of 5000 times, as shown in fig. 3, the material prepared by the conventional method compared with that of fig. 4 is found to have smooth interface, uniform thickness and average thickness of 9.2 μm; finally, the tensile strength of the film was measured to be 123MPa, as shown in the curve of example 1 in FIG. 5; for comparative analysis, the appearance graph of the intermetallic compound of the aluminum/copper/aluminum composite material prepared by the common rolling method can obviously discover the generation of oxide at the interface, which is not beneficial to the combination of copper and aluminum bimetal, and the invention is beneficial to the copper and aluminum rolling and compounding in an oxygen-free environment.
Example 2
A1060 pure aluminum tube is selected, the length of which is 75mm, the wall thickness of which is 3mm, and a T2 pure copper plate is 60 multiplied by 15 multiplied by 2mm in length, width and height respectively. T2 pure copper was annealed at 375 ℃ for 1.5h, and 1060 pure aluminum was annealed at 300 ℃ for 1 h. And (2) putting the aluminum block into a 10% NaOH solution for alkali washing for 10min, firstly polishing the surface oxide of the copper block by using a steel brush, putting the copper block into a 10% nitric acid alcohol solution for acid washing, performing acid washing for 10min, adding the copper block into alcohol, and washing for 30min by using an ultrasonic cleaner. The blank is firstly jointed in an aluminum-clad-copper assembly mode, the jointed copper-aluminum composite blank is rolled by a rolling mill, a one-pass rolling method is adopted, the rolling rate is 70%, the rolled composite material is subjected to annealing treatment at the temperature of 400 ℃ for 4 hours, and the aluminum/copper/aluminum composite material is obtained, wherein the interface tensile strength of the aluminum/copper/aluminum composite material is 129MPa, as shown in the curve of an embodiment 2 in figure 5.
Embodiment 3
A1060 pure aluminum tube is selected, the length of which is 75mm, the wall thickness of which is 4mm, and a T2 pure copper plate is 60 multiplied by 15 multiplied by 3mm respectively. T2 pure copper was annealed at 375 ℃ for 1.5h, and 1060 pure aluminum was annealed at 300 ℃ for 1 h. And (2) putting the aluminum block into a 10% NaOH solution for alkali washing for 10min, firstly polishing the surface oxide of the copper block by using a steel brush, putting the copper block into a 10% nitric acid alcohol solution for acid washing, performing acid washing for 10min, adding the copper block into alcohol, and washing for 30min by using an ultrasonic cleaner. The method comprises the steps of firstly laminating blanks in an aluminum-clad copper assembly mode, rolling the laminated copper-aluminum composite blanks through a rolling mill, adopting a one-pass rolling method with the rolling rate of 75%, and annealing the rolled composite materials at 250 ℃ for 8 hours to obtain the aluminum/copper/aluminum composite materials, wherein the interface tensile strength of the aluminum/copper/aluminum composite materials is 145MPa, as shown in the curve of an embodiment 3 in fig. 5.
Example 4
A1060 pure aluminum tube is selected, the length of which is 75mm, the wall thickness of which is 5mm, and a T2 pure copper plate is 60 multiplied by 15 multiplied by 4mm respectively. T2 pure copper was annealed at 375 ℃ for 1.5h, and 1060 pure aluminum was annealed at 300 ℃ for 1 h. And (2) putting the aluminum block into a 10% NaOH solution for alkali washing for 10min, firstly polishing the surface oxide of the copper block by using a steel brush, putting the copper block into a 10% nitric acid alcohol solution for acid washing, performing acid washing for 10min, adding the copper block into alcohol, and washing for 30min by using an ultrasonic cleaner. The method comprises the steps of firstly laminating blanks in an aluminum-clad copper assembly mode, rolling the laminated copper-aluminum composite blanks through a rolling mill, adopting a one-pass rolling method with the rolling rate of 80%, and annealing the rolled composite materials at the temperature of 300 ℃ for 2 hours to obtain the aluminum/copper/aluminum composite materials, wherein the interface tensile strength of the aluminum/copper/aluminum composite materials is 156MPa, as shown in the curve of an embodiment 4 in fig. 5.
Claims (7)
1. The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate is characterized by comprising the following steps:
step 1, selecting raw materials of an aluminum pipe and a copper plate;
step 2, annealing the raw materials in the step 1;
step 3, carrying out surface treatment on the annealed raw material;
step 4, rolling and assembling;
step 5, rolling;
and 6, carrying out post-treatment on the material rolled in the step 5.
2. The method for preparing an aluminum/copper/aluminum bimetal composite plate rolling assembly as claimed in claim 1, wherein the aluminum pipe is 1060 pure aluminum, the copper plate is T2 pure copper, and the thickness and the length of the aluminum material are 2-10 mm larger than those of the copper plate.
3. The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to claim 1, wherein in the step 2, the T2 pure copper is subjected to annealing treatment at the temperature of 300-400 ℃ for 1-2 h, and the 1060 pure aluminum is subjected to annealing treatment at the temperature of 200-250 ℃ for 2-4 h.
4. The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to claim 1, wherein the specific process of the surface treatment in the step 3 is as follows: and (3) putting the aluminum pipe in the step (2) into a 10% NaOH solution for alkali washing for 5-10 min, firstly polishing black oxides on the surface of the copper block in the step (2) by using a steel brush, then putting the copper block into a 10% nitric acid alcohol solution for acid washing for 10min, then putting the copper block into an ultrasonic cleaning instrument, adding alcohol for cleaning for 30min, and finally blowing the aluminum block to dry by using a blower.
5. The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to claim 1, wherein the rolling assembly comprises the following specific processes: inserting the copper plate subjected to surface treatment in the step 3 into the aluminum pipe to obtain a combined aluminum-clad copper group blank, and laminating the combined aluminum-clad copper group blank by using a rolling mill, wherein the rolling rate is 0%, and the distance between two rollers is 2 multiplied by the thickness of the aluminum pipe and the thickness of the copper plate.
6. The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to claim 1, wherein the rolling specific process in the step 5 is as follows: the rolling rate is 60-80% by adopting a one-pass rolling method.
7. The method for preparing the rolling assembly of the aluminum/copper/aluminum bimetal composite plate according to claim 1, wherein the post-treatment in the step 6 comprises the following specific processes: and (3) annealing the rolled composite material at 250-450 ℃ for 2-8 h, and then cutting edges and finishing the annealed material to obtain the aluminum/copper/aluminum composite material.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001252772A (en) * | 2000-03-10 | 2001-09-18 | Showa Denko Kk | Aluminum-copper clad material and method for manufacturing the same |
| CN1988059A (en) * | 2006-12-11 | 2007-06-27 | 蒋成卓 | Novel copper coated aluminum bus row and its preparing method |
| CN101645333A (en) * | 2008-08-05 | 2010-02-10 | 北京有色金属研究总院 | Rolling method for producing copper clad aluminum row |
| KR20140001290A (en) * | 2012-06-25 | 2014-01-07 | 현대모비스 주식회사 | Clad metal bus bar for film capacitor |
| CN104801858A (en) * | 2014-01-27 | 2015-07-29 | 上海却尘科技有限公司 | Manufacturing method for blank for producing copper-aluminum composite board |
| CN104985007A (en) * | 2015-07-24 | 2015-10-21 | 东北大学 | Prediction method for flaw length of Cu-Al sandwich rolling-bonded band head |
| CN109435371A (en) * | 2018-10-10 | 2019-03-08 | 北京科技大学 | A kind of high-strength Cu-Al-Cu Cladding Plate and preparation process |
| CN112318964A (en) * | 2020-10-30 | 2021-02-05 | 湖南三泰新材料股份有限公司 | Stainless steel clad steel plate and manufacturing method thereof |
| CN113414237A (en) * | 2021-06-21 | 2021-09-21 | 西安理工大学 | Method for preparing high-performance Al-Cu-Al composite material by rolling |
-
2021
- 2021-12-21 CN CN202111574693.1A patent/CN114472520A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001252772A (en) * | 2000-03-10 | 2001-09-18 | Showa Denko Kk | Aluminum-copper clad material and method for manufacturing the same |
| CN1988059A (en) * | 2006-12-11 | 2007-06-27 | 蒋成卓 | Novel copper coated aluminum bus row and its preparing method |
| CN101645333A (en) * | 2008-08-05 | 2010-02-10 | 北京有色金属研究总院 | Rolling method for producing copper clad aluminum row |
| KR20140001290A (en) * | 2012-06-25 | 2014-01-07 | 현대모비스 주식회사 | Clad metal bus bar for film capacitor |
| CN104801858A (en) * | 2014-01-27 | 2015-07-29 | 上海却尘科技有限公司 | Manufacturing method for blank for producing copper-aluminum composite board |
| CN104985007A (en) * | 2015-07-24 | 2015-10-21 | 东北大学 | Prediction method for flaw length of Cu-Al sandwich rolling-bonded band head |
| CN109435371A (en) * | 2018-10-10 | 2019-03-08 | 北京科技大学 | A kind of high-strength Cu-Al-Cu Cladding Plate and preparation process |
| CN112318964A (en) * | 2020-10-30 | 2021-02-05 | 湖南三泰新材料股份有限公司 | Stainless steel clad steel plate and manufacturing method thereof |
| CN113414237A (en) * | 2021-06-21 | 2021-09-21 | 西安理工大学 | Method for preparing high-performance Al-Cu-Al composite material by rolling |
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