CN113020263A - Method for rolling metal composite plate by double-crossed corrugated rollers - Google Patents
Method for rolling metal composite plate by double-crossed corrugated rollers Download PDFInfo
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- CN113020263A CN113020263A CN202110317478.7A CN202110317478A CN113020263A CN 113020263 A CN113020263 A CN 113020263A CN 202110317478 A CN202110317478 A CN 202110317478A CN 113020263 A CN113020263 A CN 113020263A
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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
- 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
- B21B45/004—Heating the product
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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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- 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
The invention relates to the technical field of metal composite plate preparation, in particular to a method for rolling a metal composite plate by double-crossed corrugated rollers, and aims to solve the technical problems of low interface bonding strength, severe warping and edge cracking and the like of the metal composite plate manufactured by the existing rolling method. The following technical scheme is adopted: the metal composite plate blank prepared by the conventional method is put into a corrugated roller mill for rolling, the upper roller and the lower roller of the corrugated roller mill are both crossed corrugated rollers, the reduction rate selection range is 30% -50%, the metal composite plate I with the upper surface, the lower surface and the bonding interface both being corrugated rollers is obtained, then a flat roller mill is used for two-pass rolling, the reduction rate selection range is 20% -40%, and the metal composite plate II with the upper surface and the lower surface being planes and the bonding interface being corrugated surfaces is obtained. The high-quality metal composite plate with high bonding strength, small residual stress, light plate warping and less edge cracking can be obtained.
Description
Technical Field
The invention relates to the technical field of metal composite plate preparation, in particular to a method for rolling a metal composite plate by double-crossed corrugated rollers.
Background
The metal composite plate is a composite material which is processed and overlapped by two or more layers of heterogeneous metals through a special process to realize interface metallurgical bonding. Some metal resources have the advantages of excellent corrosion resistance, oxidation resistance, high strength, wear resistance, good biocompatibility and the like, but the wide application of the materials is limited by the expensive price and the limited resources. To solve this conflict, metal clad plate processes have been developed. The metal composite plate compounds metals with different properties, integrates the advantages of different metals, avoids respective defects, and has incomparable excellent comprehensive properties compared with a single metal plate. The metal composite plate realizes the interconnection of dissimilar materials through interface metallurgical bonding, and can be processed in various modes such as stamping, bending, welding, machining and the like. In industrial production, in order to exert the advantages and properties of rare and precious metals and save resources, a rare and precious metal layer is often coated on the surface of a low-cost metal plate, so that a low-cost metal composite plate can be designed into various metal combinations according to the requirements of industrial environment, and the low-cost metal composite plate not only has different metal combinations, but also has different thickness combinations and different layer number combinations.
At present, the metal composite plate has more preparation methods and is widely applied by an explosion cladding method, a diffusion welding method, a rolling cladding method and the like. The explosion cladding method is to stack the metal layers to be clad after cleaning, lay explosive on the top layer of the metal plates, utilize the high temperature and shock wave generated by explosive explosion to extrude, deform, bond and diffuse the metal plates, and realize interface bonding. The diffusion welding method is characterized in that under the temperature lower than the melting point of the material, pressure is applied to enable the metal plate interface to be tightly attached and generate solid diffusion, metallurgical bonding of the interface is achieved, the surface of the metal plate is generally required to be cleaned, an oxide film is removed, then the metal plate is laminated together and subjected to pressure diffusion in a vacuum furnace, and the diffusion welding method has the advantages of being uniform in interface bonding, stable in strength, free of pollution, capable of compounding raw materials with large performance and size difference, high in size precision, small in deformation, limited in size, long in diffusion time, low in efficiency and low in interface strength. The rolling composite method is characterized in that the pressure of a roller is utilized to enable metal to generate severe deformation, mutual diffusion among metal atoms is promoted under the double action of temperature and pressure, and interface metallurgical bonding is realized, the method is the most common process means in industrial production, and the method has the advantages of continuous production, high efficiency, wide production range, no size limitation, uniform interface, stable strength and high surface quality, has the defects of interface anti-oxidation treatment before hot rolling composite, sealing welding in a vacuum environment for active metal, high-power rolling equipment for realizing single-pass large deformation for cold rolling, easy cracking of workpieces and the like, and particularly aims at rolling of metal composite plates, and has the problems of difficult firm composite due to different properties and different elongation of two metals, easy existence of larger residual stress in the rolled composite plates, severe warping and side cracking of the composite plates and the like, and restricts the large-scale preparation and application of the composite board.
Disclosure of Invention
The invention aims to solve the technical problems of low bonding strength, serious warping and edge cracking and the like of the metal composite plate manufactured by the existing rolling method. To this end, a method for rolling a metal composite plate by double-crossed corrugated rolls is proposed.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method of rolling a metal composite plate with double cross corrugated rolls comprising the steps of:
s1, blank making: selecting a metal plate with relatively small deformation resistance as a base plate, and selecting a metal plate with relatively large deformation resistance as a composite plate; the thickness ratio of the base plate to the composite plate is 1-5, the surfaces of the base plate and the composite plate to be combined are polished by a steel wire brush, surface oxide layers and pollutants are removed, the surfaces of the two plates to be combined are oppositely stacked and fixedly connected at the edges (the base plate and the composite plate are ensured not to be dislocated or deviate when subjected to non-uniform tangential force in the rolling process), and a metal composite plate blank is obtained;
s2, one-pass rolling: when a cold rolling process is adopted, the metal composite plate blank prepared in the step S1 is directly sent into a corrugated roller mill for rolling, when a hot rolling/warm rolling process is adopted, the metal composite plate blank prepared in the step S1 is firstly put into a heating furnace to be heated to a proper temperature and then sent into the corrugated roller mill for rolling, the upper roller and the lower roller of the corrugated roller mill both adopt crossed corrugated rollers, the surface of each crossed corrugated roller is a curved surface formed by crossing transverse corrugations (namely the directions of the corrugations are vertical to the rolling direction) and longitudinal corrugations (namely the directions of the corrugations are parallel to the rolling direction), and the metal composite plate I with the upper surface and the lower surface being crossed corrugated surfaces and the bonding interface being a complex crossed corrugated surface is obtained through the processing of the process;
s3, two-pass rolling: when a cold rolling method is adopted, the metal composite plate I obtained in the step S2 is directly sent into a flat rolling mill for rolling, when a hot rolling/warm rolling method is adopted, the metal composite plate I obtained in the step S2 is sent into a heating furnace to be heated to a specified temperature and then sent into the flat rolling mill for rolling, the upper roller and the lower roller of the flat rolling mill both adopt flat rollers, and the metal composite plate II with a bonding interface of a crossed corrugated surface and upper and lower surfaces of a plane is obtained through the processing of the working procedure;
s4, annealing (namely adopting an annealing means common in the field, namely heating and cooling);
s5, finishing: and (5) straightening, cutting edges and preparing a finished product.
Further, in step S2, the working phase difference between the upper roller and the lower roller is 1/4-1/2 cycles, so as to ensure that the wave crests of the upper roller and the lower roller are staggered by a certain angle.
The invention has the beneficial effects that:
1) the crossed corrugated rollers are used on both sides of the base plate and the composite plate, so that the two plates are divided into a plurality of small areas according to the concave-convex structure specially designed on the surfaces of the rollers, the problems of large residual stress and serious warping of the composite plate caused by different elongation rates of the two metal plates are solved, and the shape of the composite plate can be controlled;
2) in one-pass rolling, the corrugation phase of the upper and lower crossed corrugated rollers is staggered by 1/4-1/2 periods, so that the situation that the wave crest is relatively thin locally to reduce the performance of the final composite plate is avoided, in addition, the corrugation phase of the upper and lower crossed corrugated rollers is staggered by 1/4-1/2 periods, materials at the joint interface of the base plate and the composite plate can generate a more violent kneading effect, the exposure of fresh and activated metal atoms in a larger range can be promoted, the metal atoms of the two materials are diffused, and the joint strength is further improved;
3) when the corrugated roller is used for rolling in one pass, the corrugated roller which is crossed up and down is adopted for rolling, and the concave-convex structure on the surface of the roller can generate strong and non-uniform rolling force action on the plate, so that the reduction rate required for reaching the same bonding strength is smaller, and the requirement on rolling equipment can be reduced;
4) the composite plate blank is rolled by adopting the upper and lower crossed corrugated rollers, so that the corrugated shapes corresponding to the crossed corrugated rollers can be generated at the edges of the base plate and the composite plate simultaneously, the generated local deformation provides allowance and space for material extension during two-pass flat rolling, and the edge crack phenomenon can be greatly avoided;
5) the blanking process is simple, and because the base plate and the compound plate are flat plates during blanking, the stability of the blanking process and the stability of the quality of the final composite plate can be more easily ensured by polishing and descaling the base plate and the compound plate.
Drawings
FIG. 1 is a schematic illustration of a metal composite plate blank;
FIG. 2 is a schematic view of a cross corrugation roll configuration;
FIG. 3 is a schematic view of a process for cold rolling a metal composite plate with double crossed corrugated rolls;
FIG. 4 is a schematic view of a process for hot rolling a metal composite plate with double cross corrugated rolls;
FIG. 5 is a schematic view of a metal composite plate I;
FIG. 6 is a schematic view of metal composite plate II;
in the figure, 1 ┄ substrate; 2 ┄ double plates; 3 ┄ a metal composite plate blank; 4 ┄ heating furnace; 5 ┄ cross corrugation rolls; 6 ┄ Metal clad Panel I; 7 ┄ flat roll; 8 ┄ metal composite plate II.
Detailed Description
The first embodiment is as follows:
referring to fig. 1-6, a method of rolling a Mg/Al composite panel with double crossed corrugated rolls includes the steps of:
s1, blank making: selecting a 5052-grade aluminum alloy plate with relatively small deformation resistance as a base plate 1, selecting a magnesium alloy plate with 100mm, 50mm and 2mm in length, width and height, selecting an AZ 31-grade magnesium alloy plate with relatively large deformation resistance as a composite plate 2, selecting a 100mm, 50mm and 2mm in length, width and height, polishing the surfaces to be combined of the base plate and the composite plate by using a steel wire brush, removing a surface oxide layer and pollutants, relatively stacking the surfaces to be combined of the two plates, and fixedly connecting the surfaces at the edges to obtain a metal composite plate blank; the base plate 1 and the compound plate 2 are fixedly connected by common fixing means such as riveting and the like.
S2, one-pass rolling: putting the metal composite plate blank 3 prepared in the step S1 into a heating furnace 4, heating to 400 ℃, keeping the temperature for 15min, and then sending the metal composite plate blank into a corrugated roller mill for rolling, wherein the upper roller and the lower roller of the corrugated roller mill both adopt cross corrugated rollers 5, the surface of each cross corrugated roller 5 is a curved surface formed by crossing transverse corrugations and longitudinal corrugations, and the radial section line equation of each cross corrugated roller 5 is
Wherein R is the radius of the crossed corrugated roller 5, and t is more than or equal to 0 and less than or equal to 1; the equation of axial section is
T is more than or equal to 0 and less than or equal to 1, the average radii of the upper roller and the lower roller are both 75mm, the linear speeds of the upper roller and the lower roller are both 7.5m/min, the reduction rate is 40%, in other embodiments, 30% or 35% or 45% or 50% can be selected, the reduction rate is determined according to parameters such as different metal materials, different rolling amplitudes and the like, the adjustment of the reduction rate is realized by adjusting the roller spacing of a rolling mill, the metal plate cracks due to the fact that the reduction rate is too large, the corrugated joint surface cannot be formed due to the fact that the reduction rate is too small, and for common metals, the selection range of the reduction rate. Similarly, the parameters of the step such as the roll interval and the wave amplitude of the corrugated roll are selected according to the reduction ratio, the metal plate material and the likeAnd the adjustment of the stress is easily determined by a person skilled in the art, so long as the metal composite plate I with the upper surface and the lower surface being crossed corrugated surfaces and the bonding interface being a complex crossed corrugated surface is obtained by the processing of the working procedure.
S3, two-pass rolling: and (4) feeding the metal composite plate I obtained in the step (S2) into a heating furnace 4, heating to 400 ℃, keeping the temperature for 5min, and feeding the metal composite plate I into a flat rolling mill for rolling, wherein the upper roller and the lower roller of the flat rolling mill both adopt flat rollers 7, the sizes of the upper roller and the lower roller of the flat rolling mill in the step are the same, the reduction rate is selected to be 30%, and the metal composite plate II with a complex cross corrugated surface as a bonding interface and planar upper and lower surfaces is obtained by processing in the working procedure. The reduction rate is 30% in the present embodiment, and 20% or 40% in other embodiments, and for common metals, the reduction rate in the present step is selected in the range of 20% to 40%.
S4, putting the metal composite plate II after the flat rolling into the heating furnace 4 for annealing treatment, wherein the annealing temperature is 300 ℃, and the annealing time is 30 min.
S5, finishing: and (5) straightening, cutting edges and preparing a finished product.
Comparative example one:
a method for rolling Mg/Al composite plates by using crossed corrugated rollers comprises the following steps:
s1, blank making: selecting a 5052-grade aluminum alloy plate with relatively small deformation resistance as a base plate 1, selecting 100mm, 50mm and 2mm in length, width and height respectively, selecting an AZ 31-grade magnesium alloy plate with relatively large deformation resistance as a composite plate 2, selecting 100mm, 50mm and 2mm in length, width and height respectively, polishing the surfaces to be combined of the base plate 1 and the composite plate 2 by using a steel wire brush, removing a surface oxide layer and pollutants, relatively stacking the surfaces to be combined of the two plates, and fixedly connecting the surfaces at the edges to obtain a metal composite plate blank.
S2, one-pass rolling: putting the metal composite plate blank 3 prepared in the step S1 into a heating furnace 4, heating to 400 ℃, keeping the temperature for 15min, and then sending the metal composite plate blank into a corrugated roller mill for rolling, wherein the upper roller of the corrugated roller mill adopts a crossed corrugated roller 5, the lower roller of the corrugated roller mill is a flat roller 7, the surface of the crossed corrugated roller 5 is a curved surface formed by crossing transverse corrugations and longitudinal corrugations, and the radial section line equation of the crossed corrugated roller 5 is that
Wherein R is the radius of the crossed corrugated roller 5, and t is more than or equal to 0 and less than or equal to 1; the equation of axial section is
Wherein t is more than or equal to 0 and less than or equal to 1, the average radius of the upper roller is 75mm, the radius of the lower roller is 75mm, the linear velocity of the rollers is 7.5m/min, and the reduction rate is 40 percent.
S3, two-pass rolling: and (4) feeding the metal composite plate I obtained in the step (S2) into a heating furnace 4, heating to 400 ℃, keeping the temperature for 5min, and feeding the metal composite plate I into a flat rolling mill for rolling, wherein the upper roller and the lower roller of the flat rolling mill both adopt flat rollers 7, the sizes of the upper roller and the lower roller of the flat rolling mill in the step are the same, the reduction rate is selected to be 30%, and the metal composite plate II with a cross corrugated surface as a bonding interface and planar upper and lower surfaces is obtained by processing in the working procedure.
S4, putting the metal composite plate II after the flat rolling into the heating furnace 4 for annealing treatment, wherein the annealing temperature is 300 ℃, and the annealing time is 30 min.
S5, finishing: and (5) straightening, cutting edges and preparing a finished product.
The characteristics and the performance of the Mg/Al composite plates rolled by the first embodiment and the comparative embodiment are observed and measured, and related items and parameters are shown in the following table:
| evaluation item | Example one | Comparative example 1 |
| Warping of sheet material | Is not obvious | Light and slight |
| Edge crack phenomenon | Is not obvious | Is not obvious |
| Pulling and shearing strength (rolling direction) | 42.83MPa | 35.21MPa |
| Pulling and shearing strength (horizontal) | 39.62MPa | 30.45MPa |
| Tensile strength (roll direction) | 328.62MPa | 273.14MPa |
| Tensile Strength (transverse) | 350.50MPa | 351.69MPa |
The experimental data in the above table are measured on a DNS200 electronic universal tester, and the other selection parameters are the same except for the rolling method used in processing, and the results are as follows: the bending of the plate produced by rolling the Mg/Al composite plate by the double-crossed corrugated rollers is very small, compared with the situation that the Mg/Al composite plate rolled by the single-crossed corrugated rollers is slightly bent, the edge cracks of the composite plate obtained by the two methods are not obvious, and the mechanical property test shows that the tensile strength and the shear strength of the Mg/Al composite plate rolled by the method are higher than those of the single-crossed corrugated rollers in both rolling direction and transverse direction, the rolling direction tensile strength of the Mg/Al composite plate rolled by the method is obviously better than that of the single-crossed corrugated rollers, the transverse tensile strength is close to that of the single-crossed corrugated rollers, and the analysis shows that the tensile strength is related to the special structure formed on the surface of the composite plate by the. In conclusion, the Mg/Al composite plate rolled by the method has better plate shape control capability, the bonding strength can be further improved, and the edge crack phenomenon can be effectively inhibited and eliminated.
The corrugated shapes of the transverse corrugations and the longitudinal corrugations on the surface of the crossed corrugated roller can adopt common corrugated shapes, preferably adopt sine curves, cosine curves, parabolas or triangles, and the structural parameters of the upper roller and the lower roller are preferably the same.
The working phase difference between the upper roller and the lower roller in the step S2 is 1/4-1/2 cycles, the wave crests of the upper roller and the lower roller are guaranteed to be staggered by a certain angle, the situation that the wave crests are relatively thin locally to reduce the performance of a final composite plate is avoided, in addition, the wave phase staggering of 1/4-1/2 cycles of the upper corrugated roller and the lower corrugated roller can enable materials at the joint interface of the base plate 1 and the composite plate 2 to generate a more violent kneading effect, the exposure of fresh and activated metal atoms in a larger range can be promoted, the metal atoms of the two materials are diffused, and the joint strength is further improved.
The present invention is not limited to the rolling of two-layer plates, but is also applicable to the rolling of three-layer plates, that is, in step S1, two clad plates 2 are provided, and the two clad plates 2 are stacked and placed directly above and directly below the base plate 1, respectively, and are compressed and the edges are fixedly connected to obtain the metal composite plate blank 3.
In step S2, the ratio of the amplitude of the surface of the cross corrugated roll 5 to the thickness of the thinner of the substrate or the clad sheet is 0.2 to 1. Specifically, it may be 0.2, 0.5, 0.8 or 1.
Specifically, in step S3, the flat rolling may be performed in multiple passes until the thickness of the composite sheet meets the design requirements.
The invention is not limited to the embodiments described, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.
Claims (8)
1. A method for rolling a metal composite plate by double-crossed corrugated rollers is characterized by sequentially comprising the following steps of:
s1, blank making: selecting a metal plate with relatively small deformation resistance as a base plate (1), and selecting a metal plate with relatively large deformation resistance as a composite plate (2); the thickness ratio of the base plate (1) to the composite plate (2) is 1-5, the surfaces of the base plate (1) and the composite plate (2) to be combined are polished by a steel wire brush, surface oxide layers and pollutants are removed, the surfaces of the two plates to be combined are oppositely stacked and placed, and the edges of the two plates are fixedly connected to obtain a metal composite plate blank (3);
s2, one-pass rolling: when a cold rolling process is adopted, the metal composite plate blank (3) prepared in the step S1 is directly sent into a corrugated roller mill for rolling, when a hot rolling/warm rolling process is adopted, the metal composite plate blank (3) prepared in the step S1 is firstly put into a heating furnace (4) to be heated to a proper temperature and then sent into the corrugated roller mill for rolling, the upper roller and the lower roller of the corrugated roller mill both adopt crossed corrugated rollers (5), the surface of each crossed corrugated roller (5) is a curved surface formed by crossing transverse corrugations and longitudinal corrugations, and a metal composite plate I (6) with the upper surface and the lower surface being crossed corrugated surfaces and the bonding interface being a complex crossed corrugated surface is obtained through the processing of the process;
s3, two-pass rolling: when a cold rolling method is adopted, the metal composite plate I (6) obtained in the step S2 is directly sent into a flat rolling mill for rolling, when a hot rolling/warm rolling method is adopted, the metal composite plate I (6) obtained in the step S2 is sent into a heating furnace (4) to be heated to a specified temperature and then sent into the flat rolling mill for rolling, the upper roller and the lower roller of the flat rolling mill both adopt flat rollers (7), and the metal composite plate II (8) with a complex cross corrugated surface as a bonding interface and a plane upper surface and a plane lower surface is obtained through the processing of the working procedure;
s4, annealing;
s5, finishing: and (5) straightening, cutting edges and preparing a finished product.
2. A method of double cross corrugation rolling a metal composite sheet according to claim 1, wherein: in step S1, two clad plates (2) are provided, and the two clad plates (2) are stacked and placed directly above and below the substrate (1) respectively to compress and fixedly connect the edges, so as to obtain the metal composite plate blank (3).
3. A method of double cross corrugation rolling a metal composite sheet according to claim 1, wherein: in step S2, the corrugation shapes of the transverse corrugations and the longitudinal corrugations forming the surface of the cross corrugation roller (5) are sine curves or cosine curves or parabolas or triangles, and the upper and lower roll structure parameters are the same.
4. A method of double cross corrugation rolling a metal composite sheet according to claim 1, wherein: in step S2, the ratio of the amplitude of the surface of the cross corrugated roller (5) to the thickness of the thinner of the substrate or the composite board is 0.2-1.
5. A method of double cross corrugation rolling a metal composite sheet according to claim 1, wherein: in step S2, the working phase difference between the upper and lower rollers is 1/4-1/2 cycles, so as to ensure that the peaks of the upper and lower rollers are staggered by a certain angle.
6. A method of double cross corrugation rolling of metal composite plates according to any of the claims 1-5, characterized in that: in step S2, the rolling reduction is selected within a range of 30% to 50%.
7. The method of double cross corrugated roll rolling metal composite panels according to claim 6, wherein: in step S3, the rolling reduction is selected within a range of 20% to 40%.
8. A method of double cross corrugation rolling a metal composite sheet according to claim 7, wherein: in step S3, the flat rolling is performed in multiple passes until the thickness of the composite sheet meets the design requirements.
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| CN114850217A (en) * | 2022-07-05 | 2022-08-05 | 太原理工大学 | Rolling method of corrugated stainless steel/carbon steel composite plate with controllable bending radius |
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| CN114083103A (en) * | 2021-11-15 | 2022-02-25 | 太原科技大学 | Preparation method of reinforced phase distribution controllable aluminum-based composite material |
| CN114850217A (en) * | 2022-07-05 | 2022-08-05 | 太原理工大学 | Rolling method of corrugated stainless steel/carbon steel composite plate with controllable bending radius |
| CN114850217B (en) * | 2022-07-05 | 2022-10-04 | 太原理工大学 | Rolling method of corrugated stainless steel/carbon steel composite plate with controllable bending radius |
| CN115026129A (en) * | 2022-08-10 | 2022-09-09 | 太原科技大学 | Method for preparing magnesium/titanium layered waveform interface composite material based on rolling method |
| CN118002621A (en) * | 2024-03-14 | 2024-05-10 | 太原理工大学 | Flat rolling equipment and method for layered metal composite plate Shan Gunbo with large thickness ratio |
| CN118002621B (en) * | 2024-03-14 | 2024-06-18 | 太原理工大学 | Flat rolling equipment and method for layered metal composite plate Shan Gunbo with large thickness ratio |
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