CN114101327A - Method for rolling 1050 aluminum/08 AL steel composite plate - Google Patents
Method for rolling 1050 aluminum/08 AL steel composite plate Download PDFInfo
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- CN114101327A CN114101327A CN202111144067.9A CN202111144067A CN114101327A CN 114101327 A CN114101327 A CN 114101327A CN 202111144067 A CN202111144067 A CN 202111144067A CN 114101327 A CN114101327 A CN 114101327A
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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
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0269—Cleaning
- B21B45/0275—Cleaning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B47/00—Auxiliary arrangements, devices or methods in connection with rolling of multi-layer sheets of metal
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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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
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
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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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
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Abstract
The invention provides a rolling method of 1050 aluminum/08 AL steel composite plates, which comprises S1), respectively placing rolled aluminum coils and steel coils on two uncoilers for uncoiling; s2), uncoiling, and cleaning by adopting HCl and NaOH solutions respectively; s3), mechanically processing the surface to be combined of the aluminum plate and the steel plate for 10-15S by a rotary wire brush method; s4), placing the aluminum plate and the steel plate in an acetone solution for ultrasonic cleaning for 2-3 min; s5), pre-stretching or pre-compressing the surface-treated aluminum plate or steel plate, S6), welding the edges of the pre-stressed aluminum plate or steel plate; s7), carrying out preheating treatment on the welded steel aluminum plate before rolling; s8), and then annealing treatment is carried out in a continuous annealing furnace, the invention combines the metal aluminum plate and the steel plate together by hot rolling and rolling, the interface shear strength is more than or equal to 90MPa, and the repeated bending times is more than or equal to 10 times.
Description
Technical Field
The invention relates to the technical field of composite plates, in particular to a rolling method of a 1050 aluminum/08 AL steel composite plate.
Background
With the rapid development of science and technology, a new technical revolution is actively carried out in the world based on three basic disciplines of information, life and materials, which promotes the human material culture to a new development stage, and the material discipline as one of the three basic disciplines can bear an important and new historical mission.
Research and preparation of composite materials is an important trend in the development of the material industry in recent years. With the continuous development of science and technology, the requirements of each industry on the comprehensive performance of materials are gradually increased, and a single material cannot meet the requirements of high index and high performance. The layered metal composite material is a novel material prepared by utilizing a composite technology to realize firm metallurgical bonding of two or more metals with different physical, chemical and mechanical properties on an interface. Although each layer of metal still keeps the respective original characteristics, the physical, chemical and mechanical properties of the layered metal composite material are much better than those of single metal, and the obtained composite plate has comprehensive properties which cannot be possessed by any component.
With the technological progress, they are not only increasingly used in a wide range of applications, but also break through the traditional knowledge in the combination and optimized utilization of material properties. The effective combination of electrical conductivity, thermal conductivity, corrosion resistance and mechanical property not only improves the comprehensive performance of the material, but also provides better conditions for reasonably selecting the material and reducing the cost. Due to its specific properties, bimetallic composite materials are attracting more and more attention, and are widely used in the fields of aviation, aerospace, national defense, traffic, electronics, communication and the like.
The composite material of steel and aluminum is developed at home and abroad in recent years, the kitchenware products made of the material not only keep the beautiful appearance of the steel products, but also greatly improve the heat-conducting property and light weight, and the composite material integrates the advantages of high strength and easy cleaning of the steel, light weight, low price, excellent electric conductivity, heat conductivity and the like of the aluminum, thereby being widely applied in various fields, more and more widely applied in various fields such as industry, civil use and the like, and having excellent market prospect. Rolling and compounding are a preparation and processing method for large-scale production of steel/aluminum composite plates with great potential.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rolling method of a 1050 aluminum/08 AL steel composite plate, and the plate prepared by the method has high interface strength.
The technical scheme of the invention is as follows: a rolling method of 1050 aluminum/08 AL steel composite plates comprises the following steps:
s1), respectively placing the rolled 1050 aluminum coil and 08AL steel coil on two uncoilers for uncoiling;
s2), cleaning the surface of the uncoiled 08AL steel plate by using 8-15% HCl solution, cleaning a 1050 aluminum plate by using 10-12% NaOH solution, removing residual HCl and NaOH solution on the surface and products in clean water, and squeezing water by using a squeezing roller;
s3), mechanically treating the to-be-combined surfaces of the 1050 aluminum plate and the 08AL steel plate processed in the step S2) for 10-15S by using a rotary wire brush method, wherein the grinding direction is along the rolling direction of the composite plate;
s4), then placing the 1050 aluminum plate and the 08AL steel plate processed in the step S3) into an acetone solution for ultrasonic cleaning for 2-3min, and blowing and drying the aluminum plate and the 08AL steel plate by hot air after coming out;
s5), pre-stretching or pre-compressing the 1050 aluminum plate and the 08AL steel plate after surface treatment according to the metal characteristics, wherein the stretching and compressing directions are along the rolling direction and the vertical rolling direction;
s6), welding the edges of the 1050 aluminum plate and the 08AL steel plate which are subjected to the pre-stress treatment in the step S5);
s7), performing preheating treatment before rolling on the welded 1050 aluminum plate and 08AL steel plate, wherein the preheating temperature is 400-500 ℃; 1050 aluminum plates and 08AL steel plates enter a rolling mill for hot rolling compounding after being discharged from a heating furnace, wherein the total reduction is 30-40%;
s8), then annealing treatment is carried out in a continuous annealing furnace, the annealing temperature is 650-.
Preferably, the 1050 aluminum roll comprises the following components:
Si 0.1-0.2wt％；
Cu≤0.05wt％；
Mg≤0.05wt％；
Zn≤0.05wt％；
Ti≤0.03wt％；
V≤0.05wt％；
Fe≤0.20wt％；
the balance of Al and inevitable impurities.
Preferably, the 08AL steel coil comprises the following components:
C 0.05-0.08wt％；
Si≤0.05wt％；
Mn0.2-0.4wt％；
P<0.015wt％；
S<0.010wt％；
AL0.025-0.06wt％；
the balance of Fe and inevitable impurities.
Preferably, in step S5), the stress type application principle is that the hard-to-deform metal applies tensile stress, the pre-stretching deformation amount is 2-5%, and the strain rate is 0.3-1.2 mm/min.
Preferably, in step S8), the interface shear strength of the 1050 aluminum/08 AL steel composite plate is not less than 90MPa, and the repeated bending times are not less than 10 times.
The invention has the beneficial effects that:
1. according to the invention, the metal aluminum plate and the steel plate are combined together through hot rolling and rolling, and the mutual diffusion among metal atoms is promoted through heat treatment after rolling, and other composite mechanisms are initiated, so that the combination strength of the composite plate is obviously enhanced;
2. the interface shear strength of the aluminum/steel composite plate is more than or equal to 90MPa, and the repeated bending times are more than or equal to 10 times;
3. the rolling technology of the invention is easy to realize large-scale industrial production, does not have the problem of environmental pollution caused by electroplating and physical and chemical method coating, is a preparation and processing technology of the aluminum/steel metal laminated composite material with very good development potential, reduces the production cost and saves social resources.
Detailed Description
The following further illustrates embodiments of the invention:
example 1
The embodiment provides a rolling method of a 1050 aluminum/08 AL steel composite plate, wherein a 1050 aluminum coil comprises the following components:
si is 0.15 wt%;
cu is 0.02 wt%;
mg is 0.03 wt%;
zn is 0.03 wt%;
ti is 0.01 wt%;
v is less than or equal to 0.03 wt%;
fe is 0.15 wt%;
the balance of Al and inevitable impurities.
The 08AL steel coil comprises the following components:
c is 0.05 wt%;
si is 0.02 wt%;
mn is 0.4 wt%;
p is 0.010 wt%;
s is 0.005 wt%;
al is 0.05 wt%;
the balance of Fe and inevitable impurities.
The method comprises the following steps:
s1), placing the rolled 1050 aluminum coil and the 08AL steel coil on two uncoilers respectively for uncoiling;
s2), cleaning the surface of the uncoiled steel plate by using a 10% HCl solution, cleaning an aluminum plate by using a 10% NaOH solution, removing residual HCl and NaOH solutions and products on the surface in clear water, and squeezing water by using a squeezing roller;
s3), mechanically processing the surface to be combined of the aluminum plate and the steel plate for 10S by using a rotary steel wire brush, wherein the grinding direction is along the rolling direction of the composite plate;
s4), then placing the mixture into an acetone solution for ultrasonic cleaning for 2min, and blowing and drying the mixture with hot air after the mixture is taken out;
s5), pre-stretching or pre-compressing the surface-treated aluminum plate and steel plate according to the metal characteristics, wherein the stretching and compressing directions are along the rolling direction and the vertical rolling direction; the pre-stretching deformation is 3 percent, and the strain rate is 0.3 mm/min;
s6), welding the edges of the aluminum plate and the steel plate which are subjected to the prestress treatment;
s7), before rolling and compounding, firstly, preheating the welded steel aluminum plate at the preheating temperature of 450 ℃; the steel aluminum plate is taken out of the heating furnace and then enters a rolling mill for hot rolling compounding, and the total reduction is 35%;
s8), annealing in a continuous annealing furnace at 650 deg.C for 6min, and flattening, finishing and inspecting the final product in a flattening machine set. The interface shear strength of the aluminum/steel composite plate is detected to be 105MPa, and the repeated bending times are 12 times.
Example 2
The embodiment provides a rolling method of a 1050 aluminum/08 AL steel composite plate, wherein a 1050 aluminum coil comprises the following components:
0.12 wt% of Si, 0.03 wt% of Cu, 0.02 wt% of Mg, 0.03 wt% of Zn, 0.01 wt% of Ti, less than or equal to 0.03 wt% of V, 0.16 wt% of Fe, and the balance of Al and inevitable impurities;
the 08AL steel coil comprises the following components:
0.06 wt% of C, 0.03 wt% of Si, 0.2 wt% of Mn, 0.010 wt% of P, 0.005 wt% of S, 0.025 wt% of AL, and the balance of Fe and inevitable impurities.
The method comprises the following steps:
s1), placing the rolled 1050 aluminum coil and the 08AL steel coil on two uncoilers respectively for uncoiling;
s2), cleaning the surface of the uncoiled steel plate by using a 12% HCl solution, cleaning an aluminum plate by using an 8% NaOH solution, removing residual HCl and NaOH solutions and products on the surface in clear water, and squeezing water by using a squeezing roller;
s3), carrying out mechanical treatment on the surface to be combined of the aluminum plate and the steel plate for 12S by using a rotary steel wire brush, wherein the grinding direction is along the rolling direction of the composite plate;
s4), then placing the mixture into an acetone solution for ultrasonic cleaning for 3min, and blowing and drying the mixture with hot air after the mixture is taken out;
s5), pre-stretching or pre-compressing the surface-treated aluminum plate and steel plate according to the metal characteristics, wherein the stretching and compressing directions are along the rolling direction and the vertical rolling direction; the pre-stretching deformation is 5 percent, and the strain rate is 0.8 mm/min;
s6), welding the edges of the aluminum plate and the steel plate which are subjected to the prestress treatment;
s7), before rolling and compounding, firstly, preheating the welded steel aluminum plate at the preheating temperature of 400 ℃; the steel aluminum plate is taken out of the heating furnace and then enters a rolling mill for hot rolling compounding, and the total reduction is 30%;
s8), annealing in a continuous annealing furnace at 680 ℃ for 5min, and flattening, finishing and inspecting the finished product in a flattening machine set. The interface shear strength of the aluminum/steel composite plate is detected to be 100MPa, and the repeated bending times are 11 times.
Example 3
The embodiment provides a rolling method of a 1050 aluminum/08 AL steel composite plate, wherein a 1050 aluminum coil comprises the following components:
0.18 wt% of Si, 0.01 wt% of Cu, 0.03 wt% of Mg, 0.03 wt% of Zn, 0.02 wt% of Ti, less than or equal to 0.03 wt% of V, 0.15 wt% of Fe, and the balance of Al and inevitable impurities;
the 08AL steel coil comprises the following components:
0.05 wt% of C, 0.03 wt% of Si, 0.3 wt% of Mn, 0.010 wt% of P, 0.005 wt% of S, 0.06 wt% of AL, and the balance of Fe and inevitable impurities.
The method comprises the following steps:
s1), placing the rolled 1050 aluminum coil and the 08AL steel coil on two uncoilers respectively for uncoiling;
s2), cleaning the surface of the uncoiled steel plate by using a 15% HCl solution, cleaning an aluminum plate by using a 12% NaOH solution, removing residual HCl and NaOH solutions and products on the surface in clear water, and squeezing water by using a squeezing roller;
s3), mechanically processing the surface to be combined of the aluminum plate and the steel plate for 10S by using a rotary steel wire brush, wherein the grinding direction is along the rolling direction of the composite plate;
s4), then placing the mixture into an acetone solution for ultrasonic cleaning for 2min, and blowing and drying the mixture with hot air after the mixture is taken out;
s5), pre-stretching or pre-compressing the surface-treated aluminum plate and steel plate according to the metal characteristics, wherein the stretching and compressing directions are along the rolling direction and the vertical rolling direction; the pre-stretching deformation is 2 percent, and the strain rate is 0.6 mm/min;
s6), welding the edges of the aluminum plate and the steel plate which are subjected to the prestress treatment;
s7), before rolling and compounding, firstly, preheating the welded steel aluminum plate at the preheating temperature of 500 ℃; the steel aluminum plate is taken out of the heating furnace and then enters a rolling mill for hot rolling compounding, and the total reduction is 40%;
s8), annealing in a continuous annealing furnace at 700 ℃ for 3min, and flattening, finishing and inspecting the finished product in a flattening machine set. And detecting that the interface shear strength of the aluminum/steel composite plate is 110MPa, and the repeated bending times are 12 times.
Example 4
The embodiment provides a rolling method of a 1050 aluminum/08 AL steel composite plate, wherein a 1050 aluminum coil comprises the following components:
0.18 wt% of Si, 0.02 wt% of Cu, 0.03 wt% of Mg, 0.03 wt% of Zn, 0.01 wt% of Ti, less than or equal to 0.03 wt% of V, 0.12 wt% of Fe, and the balance of Al and inevitable impurities;
the 08AL steel coil comprises the following components:
0.05 wt% of C, 0.02 wt% of Si, 0.3 wt% of Mn, 0.012 wt% of P, 0.006 wt% of S, 0.04 wt% of AL, and the balance of Fe and inevitable impurities.
The method comprises the following steps:
s1), placing the rolled 1050 aluminum coil and the 08AL steel coil on two uncoilers respectively for uncoiling;
s2), cleaning the surface of the uncoiled steel plate by using a 12% HCl solution, cleaning an aluminum plate by using a 10% NaOH solution, removing residual HCl and NaOH solutions and products on the surface in clear water, and squeezing water by using a squeezing roller;
s3), carrying out mechanical treatment on the surface to be combined of the aluminum plate and the steel plate for 15S by using a rotary steel wire brush, wherein the grinding direction is along the rolling direction of the composite plate;
s4), then placing the mixture into an acetone solution for ultrasonic cleaning for 2min, and blowing and drying the mixture with hot air after the mixture is taken out;
s5), pre-stretching or pre-compressing the surface-treated aluminum plate and steel plate according to the metal characteristics, wherein the stretching and compressing directions are along the rolling direction and the vertical rolling direction; the pre-stretching deformation is 2 percent, and the strain rate is 1.2 mm/min;
s6), welding the edges of the aluminum plate and the steel plate which are subjected to the prestress treatment;
s7), before rolling and compounding, firstly, preheating the welded steel aluminum plate at 480 ℃; the steel aluminum plate is taken out of the heating furnace and then enters a rolling mill for hot rolling compounding, and the total reduction is 36%;
s8), annealing in a continuous annealing furnace at 680 ℃ for 4.5min, and flattening, finishing and inspecting the finished product in a flattening machine set. The interface shear strength of the aluminum/steel composite plate is detected to be 105MPa, and the repeated bending times are 11 times.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (5)
1. A rolling method of 1050 aluminum/08 AL steel composite plates is characterized by comprising the following steps:
s1), respectively placing the rolled 1050 aluminum coil and 08AL steel coil on two uncoilers for uncoiling;
s2), cleaning the surface of the uncoiled 08AL steel plate by using 8-15% HCl solution, cleaning a 1050 aluminum plate by using 10-12% NaOH solution, removing residual HCl and NaOH solution on the surface and products in clean water, and squeezing water by using a squeezing roller;
s3), mechanically treating the to-be-combined surfaces of the 1050 aluminum plate and the 08AL steel plate processed in the step S2) for 10-15S by using a rotary wire brush method, wherein the grinding direction is along the rolling direction of the composite plate;
s4), then placing the 1050 aluminum plate and the 08AL steel plate processed in the step S3) into an acetone solution for ultrasonic cleaning for 2-3min, and blowing and drying the aluminum plate and the 08AL steel plate by hot air after coming out;
s5), pre-stretching or pre-compressing the 1050 aluminum plate and the 08AL steel plate after surface treatment according to the metal characteristics, wherein the stretching and compressing directions are along the rolling direction and the vertical rolling direction;
s6), welding the edges of the 1050 aluminum plate and the 08AL steel plate which are subjected to the pre-stress treatment in the step S5);
s7), performing preheating treatment before rolling on the welded 1050 aluminum plate and 08AL steel plate, wherein the preheating temperature is 400-500 ℃; 1050 aluminum plates and 08AL steel plates enter a rolling mill for hot rolling compounding after being discharged from a heating furnace, wherein the total reduction is 30-40%;
s8), then annealing treatment is carried out in a continuous annealing furnace, the annealing temperature is 650-.
2. A method of rolling 1050 AL/08 AL steel composite plate as claimed in claim 1, wherein: the 1050 aluminum coil comprises the following components:
Si 0.1-0.2wt％；
Cu≤0.05wt％；
Mg≤0.05wt％；
Zn≤0.05wt％；
Ti≤0.03wt％；
V≤0.05wt％；
Fe≤0.20wt％；
the balance of Al and inevitable impurities.
3. A method of rolling 1050 AL/08 AL steel composite plate as claimed in claim 1, wherein: the 08AL steel coil comprises the following components:
C 0.05-0.08wt％；
Si≤0.05wt％；
Mn0.2-0.4wt％；
P<0.015wt％；
S<0.010wt％；
AL0.025-0.06wt％；
the balance of Fe and inevitable impurities.
4. A method of rolling 1050 AL/08 AL steel composite plate as claimed in claim 1, wherein: in the step S5), the principle of stress type application is that tensile stress is applied to the metal which is difficult to deform, the pre-stretching deformation amount is 2-5%, and the strain rate is 0.3-1.2 mm/min.
5. A method of rolling 1050 AL/08 AL steel composite plate as claimed in claim 1, wherein: in the step S8), the interface shear strength of the 1050 aluminum/08 AL steel composite plate is not less than 90MPa, and the repeated bending times are not less than 10 times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111144067.9A CN114101327A (en) | 2021-09-28 | 2021-09-28 | Method for rolling 1050 aluminum/08 AL steel composite plate |
| PCT/CN2021/126669 WO2023050510A1 (en) | 2021-09-28 | 2021-10-27 | Method for rolling 1050 aluminum/08al steel composite sheet |
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| CN202111144067.9A CN114101327A (en) | 2021-09-28 | 2021-09-28 | Method for rolling 1050 aluminum/08 AL steel composite plate |
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|---|---|---|---|---|
| JPH09235623A (en) * | 1996-02-28 | 1997-09-09 | Nippon Steel Corp | Production of hot rolled steel plate excellent in surface characteristic and acid pickling property by continuous hot rolling process |
| CN110695089A (en) * | 2019-10-23 | 2020-01-17 | 太原理工大学 | Rolling method of bimetal composite plate with good plate shape |
| CN112975277A (en) * | 2021-02-04 | 2021-06-18 | 燕山大学 | Steel-aluminum bimetal rolling compounding method for oxidation treatment before rolling |
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| CN1253257C (en) * | 2004-08-27 | 2006-04-26 | 东北大学 | Hot roller rolling method for stainless steel/aluminium composite plate |
| CN100382904C (en) * | 2005-01-14 | 2008-04-23 | 北京科技大学 | Process for preparing metal composite material |
| CN101590495B (en) * | 2009-07-07 | 2010-12-08 | 湖南华南煤矿机械制造有限公司 | Method for preparing particle reinforced aluminum-matrix steel-backed composite board |
| CN107346807A (en) * | 2016-05-08 | 2017-11-14 | 谢彦君 | Long-life soft-package battery heat control device |
| CN109127763B (en) * | 2018-07-23 | 2020-10-20 | 无锡银荣板业有限公司 | Production method of aluminum/stainless steel three-layer thermal composite material |
| CN112824551A (en) * | 2019-11-21 | 2021-05-21 | 上海梅山钢铁股份有限公司 | Steel substrate of steel-backed aluminum-based composite board for bearing bush and manufacturing method |
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| CN110695089A (en) * | 2019-10-23 | 2020-01-17 | 太原理工大学 | Rolling method of bimetal composite plate with good plate shape |
| CN112975277A (en) * | 2021-02-04 | 2021-06-18 | 燕山大学 | Steel-aluminum bimetal rolling compounding method for oxidation treatment before rolling |
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