128 results about "Interfacial shear" patented technology

The invention relates to a glass fiber reinforced polyurethane composite material and a preparation process thereof, and belongs to the technical field of polymer composite materials. The formula of the glass fiber reinforced polyurethane composite material comprises the following components in parts by weight: 60-80 parts of thermoplastic polyurethane, 15-25 parts of modified glass fiber, 2-5 parts of an interface modifier, 1-2 parts of an antioxidant and 1-3 parts of a lubricant. A covalently bonded silane coupling agent-nano silicon dioxide composite transition layer is formed by mixing chopped glass fibers and continuous glass fibers to construct a synergistic enhancement system and combining argon-oxygen plasma activation and nano silicon dioxide sol coating processes, so that the interfacial shear strength is remarkably improved, the stress concentration is effectively relieved, and the service life is prolonged. The tensile strength and the impact strength of the material are obviously improved.

An experimental apparatus for planar interfacial shear of a hydrate-bearing sediment includes a planar interfacial shear box, a torsional and axial loading device, a nitrogen gas source, a methane gas source, a pressure-volume controller, a water bath device, a back pressure valve, a gas-water separator, a gas flowmeter, and a data acquisition system. The planar interfacial shear box includes an upper pressing plate, an upper adapter, an upper thermal insulation plate, a ram adapter, a lower ram, an upper base, a lower base, a lower thermal insulation plate, a lower adapter, and a lower pressing plate that are coaxially connected in sequence from top to bottom. The experimental apparatus offers a simple specimen preparation method, enabling in-situ formation of a hydrate-bearing sediment in the shear box. The experimental apparatus ensures uniform stress distribution during shearing, and can acquire the interfacial shear mechanical characteristic between the hydrate-bearing sediment and a structure.

The invention relates to the technical field of metal material fracture resistance testing, in particular to a prediction method for interface fracture toughness of a polar region ship composite steel plate, which comprises the following steps: S1, preparing a composite steel plate; s2, carrying out a three-point bending fracture test; s3, performing an interfacial shear strength test; s4, data analysis and model construction: performing fitting analysis on the obtained fracture toughness data of the large-size sample and the obtained shear strength data of the small-size sample, determining undetermined parameters, and constructing a mathematical model between the interface fracture toughness and the interface shear strength of the composite steel plate; and S5, verifying the accuracy of the model. According to the method, the mathematical model is established by analyzing the correlation between the shear strength measured by the small-size interface shear sample and the fracture toughness measured by the large-size fracture sample, and the model has the advantages of simplicity in construction, rapidness in use and the like, so that rapid prediction and evaluation of the fracture toughness of the composite steel plate are realized, the test process is greatly simplified, and the test efficiency is improved. And the research and production efficiency is improved.

The invention discloses a high-thermal-conductivity graphene fiber composite material based on conjugate interface adaptation and a preparation method thereof, and relates to the technical field of fiber composite materials. According to the method, a conjugated interface conformation adaptive design of an interface phase is realized by utilizing a functionalized phenylsilane coupling agent through active sites of topological wrinkles on the surface of a graphene fiber, and a molecular conjugated interface layer with an efficient heat conduction path and a strong mechanical interlocking effect is formed. According to the graphene fiber / epoxy resin composite material treated by the method, the interfacial shear strength can reach 90 MPa, the in-plane heat conductivity coefficient reaches up to 550 W / mK, and the performance retention rate exceeds 98% after 100 times of thermal shock cycles. By regulating and controlling the adaptability of the fiber surface wrinkle structure and the interface molecule conformation, the problem that a traditional carbon fiber modification method is insufficient in applicability on graphene fibers is solved, the thermal and mechanical property synergistic effect of the graphene fiber composite material is remarkably improved, and the graphene fiber composite material is suitable for a stable advanced thermal management system in an extreme thermal environment.

The invention relates to the technical field of polyaryletherketone composite materials, in particular to a modified carbon fiber reinforced polyaryletherketone composite material and a preparation method thereof.The preparation method comprises the following steps that S1, polybenzimidazole is attached to the surface of phosphorus-containing group functionalized carbon fiber; s2, in a protective atmosphere, preheating polyaryletherketone in a mold pressing mold, then uniformly laying the phosphorus-containing group functionalized carbon fibers treated in the step S1 on a preheated polyaryletherketone material, and carrying out stepped mold pressing forming, so as to obtain the modified carbon fiber reinforced polyaryletherketone composite material. The interface shear strength of the carbon fiber reinforced polyaryletherketone composite material is greatly improved through the action of surface modification of the phosphoric acid on the carbon fiber and interface transition of the polybenzimidazole.

Typical commercial surface treatments for continuous carbon fibers are often unavailable for discontinuous fibers. As such, there is little variety of chopped fiber surfaces leading to non-ideal coating solutions which result in poor interfacial compatibility between fibers and a composite matrix. A method of applying a highly effective coating using a high throughput technique for chopped carbon fibers. The method provides the ability to tune both the coating thickness and chemical functionality using processing parameters. The coatings are evaluated using X-ray photoelectron spectroscopy (XPS) for uniformity and composition. Using this technique, thermoplastic composites are highlighted showing an increase in interfacial shear strength (IFSS) of 25 MPa. This process shows promise for increasing the throughput of surface treatment of chopped fiber on the industrial scale.

The invention discloses a composite material based on multiple synergistic modification and a gradient nanostructure and a preparation method of the composite material, and relates to the technical field of high-performance composite materials. The problems of weak interface bonding and insufficient load transmission efficiency of the composite material in the prior art are solved, the cohesiveness of the fiber surface and the matrix is greatly enhanced, the problem of high-temperature long-time curing of PAN / CNT grafting is avoided through microwave curing of the nano structure, rapid low-temperature curing is realized, the process period is shortened, and the production cost is reduced. The interface shear strength, the tensile strength and the bending strength of the composite material are obviously improved.

The invention provides an anti-aging resin core rod for a composite insulator and a preparation method of the anti-aging resin core rod, the anti-aging resin core rod comprises modified glass fibers and an epoxy resin sizing material, and the modified glass fibers are obtained by modifying glass fibers through imidazolium-phosphate; the epoxy resin sizing material comprises the following raw materials in parts by mass: 100 parts of epoxy resin, 70-90 parts of an anhydride curing agent and 0.1-1 part of a curing accelerator. An imidazolium-phosphate interface layer is introduced to the surface of the glass fiber and is matched with an anhydride cured epoxy resin system, so that the bonding performance of a fiber / resin interface can be remarkably improved, the shear bearing capacity of the interface is improved, and the attenuation of the interface strength in a humid and hot environment is effectively inhibited; and the core rod material can still keep higher interface bonding stability and mechanical bearing performance under a long-term hydrothermal condition.

The invention discloses a pile-soil interface shearing algorithm considering related characteristics of a soil body state. The pile-soil interface shearing algorithm is suitable for calculating pile side friction resistance after a pile foundation is driven in offshore engineering. The method mainly comprises the following steps: (1) transferring stress and strain tensors obtained by calculation of a constitutive model considering that rigidity and strength parameters of a soil body change along with the state of the soil body to a soil and structure interface shear model; (2) assuming that a soil and structure contact interface is in a simple shearing state, and iteratively solving the normal strain of the interface; and (3) calculating the normal stress and the interface tangential stress through the calculated normal strain, and considering the influence of the strength change of the pile-side soil body on the interface shear strength. According to the method, the soil constitutive model related to the state is introduced on the basis of traditional coulomb friction, constitutive responses of the soil in different confining pressure and shear strain states can be reflected, pile-soil interface mechanical behaviors are calculated, and the influence of soil characteristics on the interface behaviors is reflected more reasonably.

The invention discloses a method for adjusting mechanical properties of a carbon fiber composite material based on a strain rate effect, which comprises the following steps: acquiring static mechanical parameters of carbon fibers, strain rate sensitive parameters of a matrix material and dynamic shear characteristic parameters of a fiber-matrix interface, and constructing a fiber-matrix-interface ternary parameter set; based on the ternary parameter set, calculating the dynamic ultimate strength of the matrix by adopting a Cowper-Symonds model introduced with an interface shear correction term, and generating a corrected matrix dynamic performance parameter set covering a preset strain rate range; according to the corrected dynamic performance parameter set of the matrix, the performance of the composite material is calculated through a three-phase collaborative mixing rule, and a dynamic performance parameter set of the composite material is output; and comparing the dynamic performance parameter set of the composite material with multi-strain-rate experimental data, and constructing a strain rate-interface coupling performance model. According to the embodiment of the invention, the prediction precision of the dynamic mechanical property of the composite material can be improved.

The invention discloses a functional osteochondral repair material which comprises a cartilage layer, a transition layer and a bone layer which are sequentially connected, the cartilage layer takes hyaluronic acid, I-type collagen and chitosan as base materials, the transition layer takes hydroxyapatite and a polylactic acid-glycolic acid copolymer as base materials, and the bone layer takes hyaluronic acid, I-type collagen and chitosan as base materials. The bone layer takes beta-tricalcium phosphate, hydroxyapatite and a polylactic acid-glycolic acid copolymer as base materials, the invention relates to the technical field of medical biological materials, by designing the organic-inorganic composite transition layer, the gradient connection cartilage layer and the bone layer, and the interfacial shear strength is greater than or equal to 0.5 MPa, the problem of interlayer stripping of a traditional layered material is effectively solved, and the medical material has the advantages of high mechanical strength, high mechanical strength and high mechanical strength. According to the selective laser sintering 3D printing material, the shearing stress and the compression stress during joint movement can be borne, mature medical material production equipment such as freeze drying, compression molding and sintering is adopted in the preparation process, large-scale batch production can be achieved, meanwhile, personalized preparation of selective laser sintering 3D printing is supported, and the requirements of different clinical scenes are met.

The application discloses an automatic testing system for single-fiber interfacial shear strength, which comprises a single fiber with a resin drop, a clamp assembly for vertically fixing the single fiber and stretching the resin drop, and a testing system for detecting the single-fiber interfacial shear strength; the clamp assembly comprises a fixing frame for fixing two ends of the single fiber and movable along the direction of a single-fiber fixing shaft, and a pair of cutters located on both sides of the connection between the fiber and the resin drop; the testing system comprises a resin drop length acquisition module, a shearing force acquisition module, a motion control module and a calculation module. The application further provides an automatic testing method. The system provided by the application can effectively improve the detection accuracy and efficiency of the single-fiber interfacial shear strength.

The invention relates to a carbon fiber surface treatment method, which improves the interfacial compatibility of carbon fibers and a matrix material, improves the interfacial shear strength by 70-90%, and is simple and convenient to operate, easy to control and suitable for large-scale industrial production.

The present invention provides a hot-rolled steel sheet for building structures, comprising a base layer, a corrosion-resistant layer, and an interfacial transition layer located between the base layer and the corrosion-resistant layer. The hot-rolled steel sheet of the present invention has a yield strength of ≥350 MPa, a tensile strength of ≥490 MPa, a yield-to-tensile ratio of 0.71 to 0.80, an impact energy of ≥190 J at -40°C, a corrosion resistance rate of ≤0.006 mm / year from sea spray, an interfacial transition layer thickness of ≤10 μm, and an interfacial shear strength of ≥252 MPa, and can be used to manufacture structural components suitable for sea spray environments. The present invention also provides a method for manufacturing the hot-rolled steel sheet.

This invention discloses a high-performance wood-plastic composite frame structure for building doors and windows, belonging to the field of building materials technology. The frame structure includes a wood-plastic outer wall and an internal cavity. A continuous support mesh structure composed of an array of topological units is integrally formed within the cavity. The topological units are configured with a tensile geometry exhibiting a negative Poisson's ratio effect, including multiple load-bearing members and connecting nodes. When the wood-plastic outer wall experiences axial expansion tensile strain due to heat, the topological units compensate for this displacement through node rotation and member bending, thereby significantly reducing interfacial shear stress and suppressing the arching deformation of the frame. When external fasteners are subjected to axial pull-out force, the topological units undergo centripetal contraction deformation, enhancing the frictional gripping force on the fasteners. This invention resolves thermal stress through microscopic geometric reconstruction, effectively addressing the shortcomings of poor thermal stability and insufficient nail-holding power in wood-plastic profiles.

The invention relates to a composite material pressure vessel forming method which comprises the following steps: rigidly connecting a front joint and a rear joint to two ends of a positioning shaft to form a support frame body; the supporting frame body is vertically fixed, the 3D printer is driven to extrude fiber reinforced thermoplastic composite wires in the circumferential direction of the positioning shaft, and a printing layer is formed between the front connector and the rear connector; the supporting frame body with the printing layer is horizontally installed on a horizontal rotating support, a positioning shaft is driven to rotate, prepreg fibers are wound around the outer surface of the printing layer, and a fiber winding layer is formed; and after the front / rear skirt is mounted, curing to form an integral structure, and finally removing the horizontal rotating bracket and the positioning shaft. The printing layer is constructed through the 3D printing technology, then the prepreg fibers are wound on the outer surface of the printing layer, and the design precision, the forming efficiency and the bursting pressure of the container are guaranteed; and finally, the prepreg fibers are cured on the printing layer, the interfacial shear strength between the prepreg fibers and the printing layer is guaranteed, and demolding is not needed.

The present invention belongs to the technical field of metal composite plate preparation and relates to a high-bonding-strength bimetallic layered composite material and its preparation process, comprising the following steps: material preparation: cutting titanium alloy and cemented carbide as raw materials, cutting iron foil and vanadium foil as intermediate layer materials, and surface treating the raw materials and intermediate layer materials respectively; stacking the surface-treated raw materials and intermediate layer materials in the order of cemented carbide / iron foil / vanadium foil / titanium alloy to form a composite blank to be composited; placing the composite blank in a hot pressing furnace for hot pressing and diffusion composite bonding. After the hot pressing and diffusion composite bonding is completed, the blank is cooled to room temperature in the furnace and removed to prepare the bimetallic layered composite material. The use of the Fe / V composite intermediate layer material in the present invention can reduce interfacial residual stress and effectively avoid the formation of malignant brittle interlayer compounds. The resulting titanium alloy / hard alloy composite plate has high interfacial bonding strength, with an interfacial shear strength of at least 120 MPa.

This invention discloses a layered titanium / aluminum composite plate and its preparation method, belonging to the field of metal composite material manufacturing technology. During the rolling process, SiCp powder is sprayed into the titanium / aluminum composite plate, wherein SiCp particles with a size of 20 μm or less account for more than 95% of the powder. This invention uses pure titanium as the cladding layer and aluminum alloy as the substrate to prepare a Ti / Al layered composite plate, combining the characteristics of these two metals. It possesses both the lightweight and low cost of aluminum and the high strength and rigidity of titanium. Through reasonable process design, the SiCp powder is rolled together, significantly enhancing the bonding strength of the composite plate. The titanium / aluminum composite plate exhibits an interfacial shear strength ≥130 MPa, a tensile strength ≥280 MPa, and a bending resistance ≥10 times. Furthermore, it avoids the environmental pollution problems associated with electroplating and physicochemical coating methods. This is a titanium / aluminum metal layered composite material preparation and processing technology with excellent development potential, reducing production costs and saving social resources.

The invention relates to the technical field of fireproof heat-insulating materials, and particularly discloses a fireproof heat-insulating strip for steel doors and windows and a preparation process of the fireproof heat-insulating strip. The fireproof heat insulation strip is composed of a modified basalt fiber braided fabric and a resin material wrapping the surface of the modified basalt fiber braided fabric, and the resin material is formed by attaching a resin glue solution to the surface of the modified basalt fiber braided fabric and curing the resin glue solution. The resin glue solution is mainly prepared from the following raw materials; liquid phenolic epoxy resin, a curing agent and an organic silicon surfactant; the modified basalt fiber braided fabric is obtained by treating the basalt fiber braided fabric with sodium hydroxide, 3-(4-urea amino) propyl triethoxy silane and 3-(trimethoxysilyl) propyl 3-oxobutyrate. The fireproof heat insulation strip has the characteristics of high tensile strength, good bending strength and high interfacial shear strength, prolongs the service life, has good fireproof performance and heat insulation performance, meets the market requirements, and has commercial application prospects and economic values.

The invention discloses a cushion block composite layer for a semiconductor, a preparation method and a cushion block, the cushion block composite layer sequentially comprises a composite coating and a surface microstructure from a substrate close to beryllium copper to a position far away from the substrate, and the composite coating sequentially comprises a chromium transition layer, an alpha-diamond-like carbon layer and a self-lubricating layer doped with tungsten disulfide from a position close to the substrate to a position far away from the substrate. Hard metal carbide reinforced phase crystal grains are uniformly distributed in the alpha-diamond-like carbon layer; the surface micro-texture comprises a plurality of pits, and each pit is filled with a nano-particle solid lubricant; through the structure, the cushion block is compatible with the high process temperature, an additional cooling device is not needed, and the interface shear stress of the composite layer is reduced, so that the copper powder falling amount is greatly reduced, the hardness, the wear-resisting life, the wear-resisting particle penetrability and the high recognition accuracy of the cushion block are greatly improved, and the low friction coefficient of the surface is maintained; and the roughness is still kept at a lower level after the lead frame is carried for multiple times.

The invention discloses a modified PBO fiber reinforced epoxy resin composite material as well as a preparation method and application thereof. The composite material comprises matrix resin and modified PBO fibers, wherein the matrix resin is prepared from the following components in parts by mass: 100 parts of epoxy resin, 75 to 85 parts of methylhexahydrophthalic anhydride and 0.3 to 0.8 part of 2, 4, 6-tri (dimethylaminomethyl) phenol; the modified PBO fibers account for 1-4% of the modified PBO fiber reinforced epoxy resin composite material by mass. The preparation method effectively solves the problems of strong surface inertia and poor interface adhesion with epoxy resin of the PBO fiber, obviously improves the interface shear strength, mechanical properties, thermal stability and thermal conductivity of the composite material through synergistic physical etching and chemical bonding, keeps high breakdown strength, and has the advantages of mild and controllable process, small fiber damage and low cost. The method is suitable for manufacturing the extra-high voltage insulation core rod.

The invention discloses a fractured rock mass high-pressure grouting sample manufacturing device and an interface shear strength testing method.The sample manufacturing device comprises a permeable stone box body, a fixed rock block and a movable rock block, and the fixed rock block is installed in one side of the permeable stone box body in a sealed mode and fixed through a rigid fixing supporting body; the movable rock block is mounted in the other side of the permeable stone box body in a sliding and sealing manner and is supported by a spring group; the interface shear strength test method comprises the following steps: mounting a test part on a sample, and mounting an adjustable cushion block for adjusting the position of the sample relative to a shear gap at the bottom of the sample so as to adjust the shear position; different shearing positions of the multiple groups of samples are tested, and data are recorded respectively. According to the manufacturing device for the fractured rock mass high-pressure grouting sample, the in-situ dehydration process of slurry in the high-pressure grouting process is simulated, the slurry stone body strength in the sample and the interface bonding strength of the slurry and rock are close to the in-situ state, and non-negligible errors caused by test conditions are greatly reduced.

This application discloses a creep testing device for a fiber composite-steel interface. The device horizontally supports the specimen using a first support and a second support. A first loading mechanism applies a downward vertical force to the specimen, with the point of application located between the first end and a pre-fabricated crack. A second loading mechanism applies a downward vertical force to the specimen, with the point of application located between the second end and the pre-fabricated crack. The fiber composite-steel beam interface of the specimen primarily bears Type II interfacial shear stress caused by bending deformation, while the Type I peel stress approaches zero. This avoids the combined stress-shear + peel stress generated by direct tension in traditional lap joints, enabling the test results to accurately reflect the interface's durability under pure shear.

The invention provides a novel polyurethane composite material formula and a production process thereof, and relates to the technical field of polymer composite materials. The composite material formula is prepared from the following raw materials in parts by weight: 90 to 120 parts of YB-B2000 resin (20 to 30 parts of modified NDI isocyanate, 60 to 70 parts of PCL polyol and 10 to 20 parts of chain extender), 15 to 25 parts of reinforced fiber, 1 to 3 parts of inorganic nano color paste, 8 to 15 parts of functional additive, 3 to 9 parts of phenolic resin and 2 to 8 parts of epoxy resin. The modified NDI isocyanate is one of 1, 5-naphthalene diisocyanate and WANNATE (Wide ANNATE) 82681 modified polymerized isocyanate, and the modified NDI isocyanate is one of 1, 5-naphthalene diisocyanate and WANNATE 82681 modified polymerized isocyanate. The interface shear strength of fibers and a polyurethane matrix can be improved, the material is light and high in strength, the problem of color fading under ultraviolet irradiation is solved, long-term weather resistance and fastness are achieved, the acid and alkali resistance and corrosion and aging resistance of the material are enhanced, the service life is prolonged, stress concentration caused by thermal expansion and cold contraction is relieved through the structural design, and the structural stability is improved.

The invention relates to the technical field of geotechnical engineering test equipment, and provides a soil-lining interface constant pressure difference seepage-shear coupling performance test device and method.The device comprises a main controller, a sensor array used for monitoring the stress field distribution state, a data acquisition system, a shear box and a confining pressure box internally provided with a confining pressure cavity; the shear box is located in the confining pressure cavity, the bottom of the shear box is in sliding connection with the confining pressure box, shear loading devices are arranged on the top and the two opposite side faces of the shear box respectively, permeable stones are arranged on the inner top wall and the inner bottom wall of the shear box respectively, and the top and the bottom of one side of the shear box are connected with a water supply pipeline and a water drainage pipeline respectively. The communicating ends of the water supply and drainage pipelines and the shear box are respectively positioned on the opposite sides of the two permeable stones. According to the invention, independent loading and stable maintenance of normal pressure, interface shear force and constant seepage pressure difference across the interface direction are realized, and the problems that the functions of the existing test equipment are separated and constant pressure difference seepage and shear load coupling performance test cannot be realized are solved.

The present invention addresses the problem of providing a carbon fiber bundle and a method for manufacturing the same, wherein the interfacial shear strength (IFSS) of the carbon fiber bundle indicating adhesion to resin is high, and the 90° bending strength of a carbon fiber reinforced composite material can be increased without reducing the strand elastic modulus and strand strength. The crystallite size is 2.9 to 3.4 nm and the iPa on the carbon fiber surface is 0.30 μA / cm2 or greater. In a method for manufacturing a carbon fiber bundle including a flame-proofing step for heating a carbon fiber precursor fiber bundle in an oxidative atmosphere and a carbonization step for heating the flame-proof fiber bundle after the flame-proofing step in a non-oxidative atmosphere, a substantially untwisted carbon fiber precursor fiber bundle is used, and the elongation of the fiber bundle in a carbonization temperature region of 1,000°C or greater in the carbonization step is set to −2.7% or greater, and the maximum carbonization temperature is set to 1,800-2,200°C.

The invention provides a sizing agent for carbon fibers, a preparation method of the sizing agent and a method for sizing the carbon fibers, the sizing agent for the carbon fibers comprises 20-60 parts by weight of modified epoxy resin, 1-20 parts by weight of an emulsifier and 50-300 parts by weight of deionized water, the modified epoxy resin is prepared by reacting first epoxy resin with a curing agent and a first catalyst, the emulsifier is prepared by grafting epoxy resin with a hydrophilic chain segment PEG (Polyethylene Glycol). By adopting the sizing agent for the carbon fibers, the shear strength of a material interface can be improved.

This invention discloses an underwater cooling process that enhances the coupling properties of thermoplastic composites, belonging to the field of composite material processing technology. For thermoplastic composite parts that have just been removed from the mold and are in a high-temperature state, a specific cooling solution is used for jet cooling through an optimized nozzle system. The core of this process lies in the synergistic effect of forced convection, phase change cooling, and dynamic heat conduction. This rapidly reduces the overall temperature of the part (suppressing the formation of large-sized spherulites) while mitigating the temperature gradient in the interfacial region, promoting the full diffusion and entanglement of polymer chains to the surface of the reinforcing fibers within the viscous flow window, thereby optimizing interfacial bonding. By balancing crystallinity and residual stress, this process can increase the interfacial shear strength (IFSS) of the composite material by 15-20%.

The invention provides a carbon fiber composite material interface enhanced modulus decreasing interface transition layer construction method and a product, and relates to the technical field of composite material interface enhancement. According to the interface transition layer construction method, an aminated metal organic framework NH2-UIO-66 and a zeolite imidazole framework material ZIF-8 are introduced to serve as middle layers, and finally polyether amine PEA is grafted; a modulus decreasing interface transition layer of a three-layer structure is constructed and used for reinforcing the carbon fiber composite material; wherein from inside to outside, the first layer of the transition layer is NH2-UIO-66, the second layer of the transition layer is ZIF-8, and the third layer of the transition layer is PEA. According to the scheme, the interfacial shear strength between pure carbon fibers and epoxy resin is improved by 95.8%, and the performance of the carbon fiber composite material can be effectively improved.

This invention discloses an ultrathin plywood with thermo-mechanical modification, its manufacturing method, and apparatus. By introducing CNTs / Cu binary micro / nano fillers, the modification effect of carbon nanotubes (CNTs) on the thermoplastic resin matrix is ​​utilized to improve the interlayer shear strength, fracture toughness, and in-layer thermal conductivity of the ultrathin plywood (FMLs). Different contents and sizes of granular Cu powder fillers act as anchors between different plies, forming thermally conductive microchannels, thus improving both the interlayer shear properties and the thickness-based thermal conductivity of the ultrathin plywood (FMLs). Segmented heating and ultrasonic vibration-assisted hot pressing of the FMLs laminations simultaneously achieve synergistic modification of the interlayer interfacial mechanical and thermal properties during the preparation of the ultrathin plywood (FMLs) material. This effectively solves the problem of weak interlayer bonding and poor thickness-based thermal conductivity in ultrathin plywood (FMLs), which restricts its application range and serviceability, and enhances the structural and functional designability of components for specific service environments.