High-performance composite sheet material and preparation method and application thereof

Abstract

The application discloses a kind of high-performance composite board and its preparation method, application, belong to high-performance material technical field.The high-performance composite board of the application includes top plate, bottom plate and the aluminum honeycomb core being arranged between the top plate and the bottom plate, aluminum honeycomb core includes the following mass percentage of elements:Zn:4.3%~5.5%, Mg:2.0%~2.5%, Cu:0.8%~1.2%, Zr:0.15%~0.23%, Mn:0.02%~0.06%, rare earth element:0.12%~0.3%, Ti:0.02%~0.04%, Si:0.3%~0.7%, Fe≤0.15%, impurity element≤0.01%, the balance is Al.The board is prepared by the way of combining wood material and aluminum alloy material, not only maintains the appearance and performance of wood, but also has the high strength and corrosion resistance of aluminum alloy material, the overall mechanical property is more excellent, not easy to crack, can also improve the sound insulation effect of composite board, endow product with higher value.

Description

Technical Field

[0001] This invention relates to the field of high-performance materials technology, and more specifically, to a high-performance composite plate, its preparation method, and its application. Background Technology

[0002] Wood-based panels, as a fundamental material in furniture manufacturing and interior decoration, are widely used in various cabinets, door panels, wall decorations, and other fields. They are typically made from wood chips, fibers, or other wood-based materials through processing and pressing, and are characterized by uniform texture, standardized dimensions, and ease of processing. The emergence of wood-based panels has not only revolutionized the furniture manufacturing industry but also provided consumers with more diverse choices and more affordable prices. With advancements in technology and optimization of processes, the production technology of wood-based panels has continuously improved, with innovations not only in material formulation and production processes but also in surface treatment and functional enhancement. These improvements have significantly enhanced the strength, weather resistance, and aesthetics of wood-based panels, meeting the market demand for high-quality, multi-functional panels.

[0003] However, traditional pure wood doors and windows require high-quality timber when subjected to environmental stress or complex stress conditions. With increasing deforestation, high-performance timber resources are becoming increasingly scarce, leading to increased costs. Furthermore, pure wood doors and windows require regular maintenance during use. Due to insufficient mechanical properties, if the board structure is not robust, it can cause board deformation, cracking, or even overall structural failure, affecting not only the product's lifespan and safety but also potentially causing economic losses and resource waste. Pure aluminum alloy doors and windows, produced through casting and extrusion processes, are less prone to deformation. However, their manufacturing cost is high, and in completely exposed environments, organic acids from mold and other biological metabolic products can damage and corrode the molten aluminum, further impacting its lifespan. Therefore, research into combining wood and aluminum alloy materials, optimizing the structure and formulation, to obtain high-performance products with a long service life is of significant importance.

[0004] In existing technologies, for example, Chinese patent application CN104747004A discloses an aluminum alloy thin wood composite outward-opening door and window system. This system leverages the advantages of both aluminum alloy and pure wood doors and windows, enriching the variety of door and window types. It maintains the excellent oxidation resistance and weather resistance of aluminum alloy while ensuring the aesthetic appeal of wood on the interior side. Another example is Chinese patent application CN116494585A, which discloses a method for producing wood-plastic aluminum alloy door and window profiles. This invention uses a closed-mold casting method, employing polyurethane foam to produce wood-plastic aluminum alloy door and window profiles in a one-step process, eliminating the need for mechanical fixing and adhesive bonding. It can be made into various complex structures and carved patterns, possessing the effect of wood carving, precise dimensions, clear patterns, realistic textures, stable dimensions and shapes, and meeting the structural strength requirements for doors and windows. Furthermore, it significantly improves heat insulation, thermal insulation, and decorative effects. However, the mechanical properties and corrosion resistance of these materials for doors and windows still need improvement. Summary of the Invention

[0005] In order to solve one of the above problems, this invention provides a high-performance composite board, its preparation method, and its application. The specific technical solution is as follows:

[0006] A high-performance composite panel includes a top plate 1, an aluminum honeycomb core 2, and a bottom plate 3, wherein the aluminum honeycomb core 2 is disposed between the top plate 1 and the bottom plate 3;

[0007] The aluminum honeycomb core comprises the following elements by mass percentage: Zn: 4.3%~5.5%, Mg: 2.0%~2.5%, Cu: 0.8%~1.2%, Zr: 0.15%~0.23%, Mn: 0.02%~0.06%, rare earth elements: 0.12%~0.3%, Ti: 0.02%~0.04%, Si: 0.3%~0.7%, Fe≤0.15%, impurity elements≤0.01%, and the balance being Al.

[0008] Furthermore, both the top plate 1 and the bottom plate 3 are made of wood.

[0009] Furthermore, the rare earth elements are composed of Eu, Pr and Nd in a weight ratio of (1~9):(1~8):(1~9).

[0010] Furthermore, the method for preparing the aluminum honeycomb core includes the following steps:

[0011] The raw materials for preparing aluminum honeycomb cores are added to a melting furnace for melting, followed by refining and degassing. Then, they are cast and rolled to a thickness of 1mm to 3mm, followed by solution treatment, and then further cold rolling to 0.1mm to 0.5mm to obtain thin aluminum alloy materials.

[0012] Based on the physical parameters of the aluminum honeycomb core, thin aluminum alloy materials are stacked and stretched to obtain the aluminum honeycomb core.

[0013] Furthermore, the smelting temperature is 720℃~740℃.

[0014] Furthermore, a mixed gas is introduced during the refining process, the mixed gas comprising nitrogen, argon and chlorine in a volume ratio of (55~60):(20~25):(15~25).

[0015] Furthermore, the time for introducing the mixed gas is 15-30 minutes, and the gas flow rate is 1.5 m³ / min. 3 / min~1.8m 3 / min.

[0016] Furthermore, the casting and rolling speed is 0.6 m / min to 1.0 m / min, the casting temperature is 680℃ to 700℃, and the rolling force is 850t to 900t.

[0017] Furthermore, the uncoiling tension value of the cold rolling process is set within the range of 1.0 kg / mm. 2 ~2.0kg / mm 2 The winding tension setting range is 1.5 kg / mm. 2 ~3.0kg / mm 2 The rolling speed setting range is 150m / min to 200m / min.

[0018] In addition, the present invention also provides a method for preparing a high-performance composite board, the method comprising the following steps:

[0019] Sand one side of the wood material of the top plate 1 and the bottom plate 3, wipe it clean, and air dry it to obtain the top plate 1 and the bottom plate 3 with friction surfaces.

[0020] According to the structural design of the high-performance composite board, the top plate 1 with friction surface, the bottom plate 3 with friction surface, and the aluminum honeycomb core 2 are assembled into a blank, and one end of the aluminum honeycomb core 2 is bonded to the friction surface of the top plate 1, and the other end of the aluminum honeycomb core 2 is bonded to the friction surface of the bottom plate 3 to obtain the blank.

[0021] The slab is placed in a cold press with a pressure of 0.3MPa to 0.5MPa for 3 to 5 minutes to pre-press, and then placed in a hot press with a temperature of 80℃ to 100℃ and a pressure of 1MPa to 2MPa for 10 to 15 minutes to cool naturally to room temperature to obtain a high-performance composite board.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. This invention prepares a board by combining wood and aluminum alloy materials, which retains the appearance and performance of wood while possessing the high strength and corrosion resistance of aluminum alloy materials. The overall mechanical properties are superior, thus extending its service life. Furthermore, the aluminum honeycomb core material is optimized in composition. The purpose of Zr is to refine the α-FeAlSi phase, suppress recrystallization during extrusion, maintain the deformable structure as much as possible, and improve mechanical properties. Specific components of Eu, Pr, and Nd are mixed as rare earth elements and added to the aluminum honeycomb core. Combined with process optimization, while ensuring the excellent impact strength of the honeycomb core, the toughness and corrosion resistance of the aluminum honeycomb core are significantly improved.

[0024] 2. This invention improves the overall physical and mechanical properties of the composite board by combining wood board material with aluminum honeycomb core through adhesive bonding and hot pressing. The lighter aluminum honeycomb core structure not only gives the board better mechanical properties and makes it less prone to cracking, but also improves the sound insulation effect of the composite board, giving the product higher value. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the high-performance composite plate prepared in Example 1 of the present invention;

[0026] Figure 2 This is a schematic diagram of the aluminum honeycomb core of the high-performance composite material prepared in Example 1 of the present invention.

[0027] Explanation of reference numerals in the attached figures

[0028] 1. Top plate; 2. Aluminum honeycomb core; 3. Bottom plate. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to its embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of protection of the invention.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0031] A high-performance composite board according to one embodiment of the present invention includes a top plate 1, an aluminum honeycomb core 2 and a bottom plate 3, wherein the aluminum honeycomb core 2 is disposed between the top plate 1 and the bottom plate 3;

[0032] The aluminum honeycomb core comprises the following elements by mass percentage: Zn: 4.3%~5.5%, Mg: 2.0%~2.5%, Cu: 0.8%~1.2%, Zr: 0.15%~0.23%, Mn: 0.02%~0.06%, rare earth elements: 0.12%~0.3%, Ti: 0.02%~0.04%, Si: 0.3%~0.7%, Fe≤0.15%, impurity elements≤0.01%, and the balance being Al.

[0033] In some embodiments, both the top plate 1 and the bottom plate 3 are made of wood.

[0034] In some embodiments, the rare earth elements consist of Eu, Pr, and Nd in a weight ratio of (1~9):(1~8):(1~9).

[0035] In some embodiments, the method for preparing the aluminum honeycomb core includes the following steps:

[0036] The raw materials for preparing aluminum honeycomb cores are added to a melting furnace for melting, followed by refining and degassing. Then, they are cast and rolled to a thickness of 1mm to 3mm, followed by solution treatment, and then further cold rolling to 0.1mm to 0.5mm to obtain thin aluminum alloy materials.

[0037] Based on the physical parameters of the aluminum honeycomb core, thin aluminum alloy materials are stacked and stretched to obtain the aluminum honeycomb core.

[0038] In some embodiments, the melting process is carried out at a temperature of 720°C to 740°C.

[0039] In some embodiments, a mixed gas is introduced during the refining process, the mixed gas comprising nitrogen, argon and chlorine in a volume ratio of (55~60):(20~25):(15~25).

[0040] In some embodiments, the time for introducing the mixed gas is 15 min to 30 min, and the gas flow rate is 1.5 m³ / min. 3 / min~1.8m 3 / min.

[0041] In some embodiments, the casting and rolling speed is 0.6 m / min to 1.0 m / min, the casting temperature is 680℃ to 700℃, and the rolling force is 850t to 900t.

[0042] In some embodiments, the uncoiling tension value of the cold rolling process is set in the range of 1.0 kg / mm² to 2.0 kg / mm², the coiling tension is set in the range of 1.5 kg / mm² to 3.0 kg / mm², and the rolling speed is set in the range of 150 m / min to 200 m / min.

[0043] In some embodiments, the solution treatment is performed by holding the solution at 90°C to 100°C for 4 to 8 hours, and then holding it at 100°C to 120°C for 12 to 24 hours.

[0044] In addition, the present invention also provides a method for preparing a high-performance composite board, the method comprising the following steps:

[0045] Sand one side of the wood material of the top plate 1 and the bottom plate 3, wipe it clean, and air dry it to obtain the top plate 1 and the bottom plate 3 with friction surfaces.

[0046] According to the structural design of the high-performance composite board, the top plate 1 with friction surface, the bottom plate 3 with friction surface, and the aluminum honeycomb core 2 are assembled into a blank, and one end of the aluminum honeycomb core 2 is bonded to the friction surface of the top plate 1, and the other end of the aluminum honeycomb core 2 is bonded to the friction surface of the bottom plate 3 to obtain the blank.

[0047] The slab is placed in a cold press with a pressure of 0.3MPa to 0.5MPa for 3 to 5 minutes to pre-press, and then placed in a hot press with a temperature of 80℃ to 100℃ and a pressure of 1MPa to 2MPa for 10 to 15 minutes to cool naturally to room temperature to obtain a high-performance composite board.

[0048] In some embodiments, a plurality of support plates may be provided between the top plate 1 and the bottom plate 3. When a plurality of support plates are provided, the aluminum honeycomb core is disposed within the cavity formed by the top plate 1, the bottom plate 3 and the plurality of support plates.

[0049] The composite panels prepared by the above method have significant applied mechanical properties, and the aluminum honeycomb core has excellent mechanical properties and corrosion resistance, which helps to extend the service life of the composite panels.

[0050] The implementation schemes of the present invention will now be described in detail with reference to specific embodiments.

[0051] Example 1:

[0052] A method for preparing a high-performance composite board includes the following steps:

[0053] The aluminum honeycomb core is prepared according to the following elemental composition by weight percentage: Zn: 4.8%, Mg: 2.2%, Cu: 1.2%, Zr: 0.18%, Mn: 0.04%, rare earth elements: 0.23%, with the rare earth elements consisting of Eu, Pr, and Nd in a weight ratio of 0.07:0.07:0.09; Ti: 0.04%, Si: 0.3%, Fe ≤ 0.15%, impurity elements ≤ 0.01%, and the balance being Al. The raw materials for the aluminum honeycomb core are then added to a melting furnace and smelted at 740°C. After refining, a mixed gas is introduced during the refining process. This mixed gas comprises nitrogen, argon, and chlorine in a volume ratio of 55:20:25, and the gas flow rate is 1.5 m³ / min. 3 The gas is degassed at a speed of 0.8 m / min, then cast and rolled at a temperature of 680℃ and a rolling force of 850 t. After casting and rolling to a thickness of 2 mm, the mixture is held at 90℃ for 6 hours, then at 120℃ for 20 hours, followed by cold rolling with an uncoiling tension set at 1.5 kg / mm². 2 The winding tension setting range is 2.0 kg / mm. 2 The rolling speed is set to 150 m / min, and the material is cold-rolled to 0.5 mm to obtain thin aluminum alloy material.

[0054] Based on the physical parameters of the aluminum honeycomb core, thin aluminum alloy materials are stacked and stretched to obtain the aluminum honeycomb core.

[0055] Sand one side of the wood material of the top plate 1 and the bottom plate 3, wipe it clean, and air dry it to obtain the top plate 1 and the bottom plate 3 with friction surfaces.

[0056] According to the structural design of the high-performance composite board, the top plate 1 with friction surface, the bottom plate 3 with friction surface, and the aluminum honeycomb core 2 are assembled into a blank, and one end of the aluminum honeycomb core 2 is bonded to the friction surface of the top plate 1, and the other end of the aluminum honeycomb core 2 is bonded to the friction surface of the bottom plate 3 to obtain the blank.

[0057] The slab is placed in a cold press with a pressure of 0.5 MPa for 5 minutes for pre-pressing, and then placed in a hot press with a temperature of 80°C and a pressure of 2 MPa for 10 minutes. After natural cooling to room temperature, a high-performance composite board is obtained.

[0058] Example 2:

[0059] A method for preparing a high-performance composite board includes the following steps:

[0060] The aluminum honeycomb core is prepared according to the following elemental composition by weight percentage: Zn: 4.8%, Mg: 2.3%, Cu: 1.1%, Zr: 0.18%, Mn: 0.06%, rare earth elements: 0.25%, with the rare earth elements consisting of Eu, Pr, and Nd in a weight ratio of 0.08:0.08:0.09; Ti: 0.03%, Si: 0.4%, Fe ≤ 0.15%, impurity elements ≤ 0.01%, and the balance being Al. The raw materials for the aluminum honeycomb core are then added to a melting furnace and smelted at 730°C. After refining, a mixed gas is introduced during the refining process. This mixed gas comprises nitrogen, argon, and chlorine in a volume ratio of 55:20:25, and the gas flow rate is 1.6 m³ / min. 3 The gas is degassed at a speed of 1.0 m / min, then cast and rolled at a temperature of 700℃ and a rolling force of 850 t. After casting and rolling to a thickness of 3 mm, the mixture is held at 100℃ for 8 hours, then at 120℃ for 22 hours, followed by cold rolling with an uncoiling tension set at 2.0 kg / mm². 2 The winding tension setting range is 3.0 kg / mm. 2 The rolling speed is set to 150 m / min, and the material is cold-rolled to 0.5 mm to obtain thin aluminum alloy material.

[0061] Based on the physical parameters of the aluminum honeycomb core, thin aluminum alloy materials are stacked and stretched to obtain the aluminum honeycomb core.

[0062] Sand one side of the wood material of the top plate 1 and the bottom plate 3, wipe it clean, and air dry it to obtain the top plate 1 and the bottom plate 3 with friction surfaces.

[0063] According to the structural design of the high-performance composite board, the top plate 1 with friction surface, the bottom plate 3 with friction surface, and the aluminum honeycomb core 2 are assembled into a blank, and one end of the aluminum honeycomb core 2 is bonded to the friction surface of the top plate 1, and the other end of the aluminum honeycomb core 2 is bonded to the friction surface of the bottom plate 3 to obtain the blank.

[0064] The slab is placed in a cold press with a pressure of 0.4 MPa for 5 minutes for pre-pressing, and then placed in a hot press with a temperature of 100℃ and a pressure of 1 MPa for 12 minutes. After natural cooling to room temperature, a high-performance composite board is obtained.

[0065] Example 3:

[0066] A method for preparing a high-performance composite board includes the following steps:

[0067] The aluminum honeycomb core is prepared according to the following elemental composition by weight percentage: Zn: 5.5%, Mg: 2.0%, Cu: 0.8%, Zr: 0.23%, Mn: 0.06%, rare earth elements: 0.3%, with the rare earth elements consisting of Eu, Pr, and Nd in a weight ratio of 0.1:0.1:0.1; Ti: 0.04%, Si: 0.7%, Fe ≤ 0.15%, impurity elements ≤ 0.01%, and the balance being Al. The raw materials for the aluminum honeycomb core are then added to a melting furnace and smelted at 740°C. After refining, a mixed gas is introduced during the refining process. This mixed gas comprises nitrogen, argon, and chlorine in a volume ratio of 55:20:25, and the gas flow rate is 1.8 m³ / min. 3 The gas is degassed at a speed of 1.0 m / min, then cast and rolled at a temperature of 700℃ and a rolling force of 850t. After casting and rolling to a thickness of 3 mm, the mixture is held at 100℃ for 7 hours, then at 105℃ for 24 hours, followed by cold rolling with an uncoiling tension set at 1.8 kg / mm². 2 The winding tension setting range is 2.5 kg / mm. 2 The rolling speed is set to 150 m / min, and the material is cold-rolled to 0.5 mm to obtain thin aluminum alloy material.

[0068] Based on the physical parameters of the aluminum honeycomb core, thin aluminum alloy materials are stacked and stretched to obtain the aluminum honeycomb core.

[0069] Sand one side of the wood material of the top plate 1 and the bottom plate 3, wipe it clean, and air dry it to obtain the top plate 1 and the bottom plate 3 with friction surfaces.

[0070] According to the structural design of the high-performance composite board, the top plate 1 with friction surface, the bottom plate 3 with friction surface, and the aluminum honeycomb core 2 are assembled into a blank, and one end of the aluminum honeycomb core 2 is bonded to the friction surface of the top plate 1, and the other end of the aluminum honeycomb core 2 is bonded to the friction surface of the bottom plate 3 to obtain the blank.

[0071] The slab is placed in a cold press with a pressure of 0.5 MPa for 5 minutes for pre-pressing, and then placed in a hot press with a temperature of 100℃ and a pressure of 1.3 MPa for 15 minutes. After natural cooling to room temperature, a high-performance composite board is obtained.

[0072] Comparative Example 1:

[0073] The difference between Comparative Example 1 and Example 3 is that the aluminum honeycomb core of Comparative Example 1 does not contain Zr element, while the rest is the same as Example 3.

[0074] Comparative Example 2:

[0075] The difference between Comparative Example 2 and Example 3 is that the aluminum honeycomb core of Comparative Example 2 does not contain Eu element, while the rest is the same as Example 3.

[0076] Comparative Example 3:

[0077] The difference between Comparative Example 3 and Example 3 is that the aluminum honeycomb core of Comparative Example 3 does not contain Pr element, but is otherwise the same as Example 3.

[0078] Comparative Example 4:

[0079] The difference between Comparative Example 4 and Example 3 is that the aluminum honeycomb core of Comparative Example 4 does not contain Nd element, but is otherwise the same as Example 3.

[0080] Comparative Example 5:

[0081] The difference between Comparative Example 5 and Example 3 is that Comparative Example 5 did not undergo solution treatment, but otherwise it was the same as Example 3.

[0082] Comparative Example 6:

[0083] The difference between Comparative Example 6 and Example 3 is that Comparative Example 6 uses a solid aluminum plate instead of an aluminum honeycomb core, while the rest is the same as Example 3.

[0084] The performance of the aluminum honeycomb core samples in Examples 1-3 and the comparative aluminum honeycomb core samples in Comparative Examples 1-5 was tested, and the results are shown in Table 1 below.

[0085] Table 1: Performance Test Results of Aluminum Honeycomb Core

[0086]

[0087] Analysis of the data in Table 1 shows that by optimizing the composition and component ratio of the aluminum honeycomb core, this invention can obtain an aluminum honeycomb core with excellent mechanical properties and corrosion resistance, which can be applied to the preparation of the high-performance composite material of this application. Comparative Example 1, lacking Zr, has coarse grains, resulting in significantly worse corrosion resistance than Example 3; Comparative Example 2, lacking Eu, weakens the synergistic effect of rare earth elements, leading to a decrease in overall corrosion resistance; Comparative Example 3, lacking Pr, has insufficient grain boundary strengthening, resulting in worse corrosion resistance than Example 3; Comparative Example 4, lacking Nd, has coarse grains, leading to poorer corrosion resistance; and Comparative Example 5, without solution treatment, exhibits element segregation, resulting in decreased corrosion resistance.

[0088] In addition, the composite plate samples prepared in Examples 1-3 and the comparative composite plate samples prepared in Comparative Examples 1-6 were subjected to mechanical property tests, and the results are shown in Table 2 below.

[0089] The impact performance is referenced to GB / T23451-2009; the sound insulation effect method is as follows: an audio volume of 80dB is played at a distance of 50cm in front of the sample and the control sample respectively, and the received volume is measured at a distance of 50cm behind the sample and the control sample. The percentage of the reduction in volume at the receiving point relative to the original volume is calculated as the sound insulation effect.

[0090] Table 2: Performance Test Results of Composite Boards

[0091]

[0092] Analysis of the data in Table 2 shows that the high-performance composite board prepared by combining wood board material and aluminum honeycomb core in this invention not only has excellent impact resistance, with no cracks after 5 impact tests, but also has excellent sound insulation effect, has a wider range of application value, and is lighter than the product in Comparative Example 6.

[0093] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0094] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A high-performance composite board, characterized in that, It includes a top plate (1), an aluminum honeycomb core (2) and a bottom plate (3), wherein the aluminum honeycomb core (2) is disposed between the top plate (1) and the bottom plate (3), and both the top plate (1) and the bottom plate (3) are made of wood. The aluminum honeycomb core comprises the following elements by mass percentage: Zn: 4.3%~5.5%, Mg: 2.0%~2.5%, Cu: 0.8%~1.2%, Zr: 0.15%~0.23%, Mn: 0.02%~0.06%, rare earth elements: 0.12%~0.3%, Ti: 0.02%~0.04%, Si: 0.3%~0.7%, Fe≤0.15%, impurity elements≤0.01%, and the balance being Al; The rare earth elements are composed of Eu, Pr and Nd in a weight ratio of (1~9):(1~8):(1~9); The method for preparing the aluminum honeycomb core includes the following steps: The raw materials for preparing aluminum honeycomb cores are added to a melting furnace for melting, followed by refining and degassing. Then, they are cast and rolled to a thickness of 1mm to 3mm, followed by solution treatment, and then further cold rolling to 0.1mm to 0.5mm to obtain thin aluminum alloy materials. Based on the physical parameters of the aluminum honeycomb core, thin aluminum alloy materials are stacked and stretched to obtain the aluminum honeycomb core.

2. The high-performance composite board according to claim 1, characterized in that, The smelting temperature is 720℃~740℃.

3. The high-performance composite board according to claim 1, characterized in that, A mixed gas is introduced during the refining process. The mixed gas includes nitrogen, argon and chlorine in a volume ratio of (55~60):(20~25):(15~25).

4. The high-performance composite board according to claim 3, characterized in that, The time for introducing the mixed gas is 15-30 minutes, and the gas flow rate is 1.5 m³ / min. 3 / min~1.8m 3 / min.

5. The high-performance composite board according to claim 4, characterized in that, The casting and rolling process has a speed of 0.6 m / min to 1.0 m / min, a casting temperature of 680℃ to 700℃, and a rolling force of 850t to 900t.

6. The high-performance composite board according to claim 5, characterized in that, The uncoiling tension value for the cold rolling process is set within the range of 1.0 kg / mm. 2 ~2.0kg / mm 2 The winding tension setting range is 1.5 kg / mm. 2 ~3.0kg / mm 2 The rolling speed setting range is 150m / min to 200m / min.

7. A method for preparing a high-performance composite board, characterized in that, The preparation method is used to prepare the high-performance composite board according to any one of claims 1 to 6, and the preparation method includes the following steps: The wood materials of the top plate (1) and the bottom plate (3) are sanded and wiped clean to obtain the top plate (1) and the bottom plate (3) with friction surfaces. According to the structural design of high-performance composite board, a top plate (1) with a friction surface, a bottom plate (3) with a friction surface, and an aluminum honeycomb core (2) are assembled into a blank, and one end of the aluminum honeycomb core (2) is bonded to the friction surface of the top plate (1), and the other end of the aluminum honeycomb core (2) is bonded to the friction surface of the bottom plate (3) to obtain a blank; The slab is placed in a cold press with a pressure of 0.3MPa to 0.5MPa for 3 to 5 minutes to pre-press, and then placed in a hot press with a temperature of 80℃ to 100℃ and a pressure of 1MPa to 2MPa for 10 to 15 minutes to cool naturally to room temperature to obtain a high-performance composite board.

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