1530 results about "Smooth surface" patented technology

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

A method of additive manufacturing a structure having integrated passages is provided. In one aspect, the method includes forming first and second parts, each part having a near net shape. The first and second parts are formed by moving a friction stir tool configured to deposit a filler material. An inner surface of each part can be machined to form a generally smooth surface. The first and the second parts are joined to form a structure. The structure is machined to form a generally smooth outer surface. The method includes machining a plurality of grooves extending into the generally smooth outer surface of the structure. A tube is placed into each of the plurality of grooves and a layer of material is deposited to secure the tubes within the plurality of grooves. The method can include machining the outer surface to a predetermined shape.

The invention belongs to the technical field of two-dimensional materials, and particularly relates to a preparation method of a corner heterojunction. According to the preparation method, when the two-dimensional material sheet is prepared, based on the characteristics of smooth surface and high viscosity of the hydrophilic polymer layer, a large-area two-dimensional material can be stripped from the silicon substrate with the hydrophilic polymer film layer, the stripping process is clean, and the two-dimensional material is not damaged; when the corner heterojunction is prepared, an intermediate two-dimensional material or an active interface does not contact any polymer in the whole transfer process by adjusting the shape and size of a transfer medium based on a Van der Waals force pickup transfer method, so that the pollution of a heterogeneous interface is greatly reduced; the efficient and fast preparation of the Van der Waals heterostructure without polymer residues and bubbles on the interface is realized.

The embodiment of the utility model discloses a diffraction optical waveguide and near-eye display equipment, the diffraction optical waveguide comprises at least one layer of waveguide sheet, the waveguide sheet comprises a first surface and a second surface which are parallel to each other along the thickness direction of the waveguide sheet, and the first surface and / or the second surface at least comprises a coupling-in grating and a coupling-out grating; the coupling-in grating is used for coupling image light rays emitted by an optical machine into the waveguide sheet, so that the image light rays are totally reflected to the coupling-out grating in the waveguide sheet and are coupled out of the waveguide sheet through the coupling-out grating; an optical resin material layer is at least arranged in the area where the coupling-out grating is located, the optical resin material layer completely fills a grating groove of the coupling-out grating, and a flat and smooth surface is formed on the side, away from the waveguide sheet, of the optical resin material layer. The diffraction optical waveguide provided by the utility model is light in weight, thin in thickness and good in safety performance.

The invention relates to a fiber composite material, and discloses a preparation method of a para-aramid and natural rubber high interface performance composite material, which comprises the following four steps: preparing a chloroform solution of natural rubber, preparing a nano para-aramid-natural rubber composite mixing material, preparing impregnated para-aramid, and mixing and vulcanizing. According to the preparation method, the para-aramid is effectively connected with the matrix through the'bridge 'effect of the para-aramid nanophase by a method for constructing the para-aramid nanophase in the matrix material, so that the interfacial acting force of the para-aramid is enhanced, and the high performance of the para-aramid in the composite material is fully exerted; the problems of poor interfacial compatibility with a base material, low binding force and the like caused by smooth surface and chemical inertness of the para-aramid at present are effectively solved, and the para-aramid nanophase can also remarkably improve the strength and toughness of the base material.

An optical element has a light guide made of a light-transmitting material. The light guide has an incident portion where an external light enters, an exit portion which includes a surface where light incident from the incident portion first reaches, in which a protruding prism portion and a flat surface are arranged alternately, and a smooth surface opposite to the exit portion as parallel to the flat surface. The exit portion and the smooth surface are opposite to each other in an X direction. The light guide further has a reinforcing portion that protrudes or is recessed in the X direction from the flat surface or the smooth surface.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention discloses a high-stability sodium-ion battery manganese-based composite positive electrode material and a preparation method and application thereof, and belongs to the technical field of sodium-ion battery positive electrode materials. The chemical general formula of the positive electrode material is NaxNiaMnbTicM1-a-b-cO2, x is more than or equal to 0.6 and less than 0.8, a is more than or equal to 0 and less than 0.5, b is more than or equal to 0.3 and less than 0.8, c is more than or equal to 0 and less than 0.3, and M is any one or a combination of more of Li, Mg, Cu, Al, Ca or Zn. Spherical-structure precursor particles with uniform components can be obtained through a coprecipitation method, element replacement and doping are carried out through solid-phase sintering, the structural proportion is designed in a customized mode, and then the positive electrode material is obtained. The manganese-based positive electrode material prepared by the invention has a P2 / O3 composite layered structure, is smooth in surface appearance and uniform in size, has very good structural stability in a wide voltage range of 2.2-4.3 V, and shows excellent rate and long cycle stability.

The invention discloses a vacuum mechanical arm, and relates to the technical field of semiconductor wafer transfer equipment, and the vacuum mechanical arm comprises a torque transfer mechanism which comprises at least two belt wheels, and the belt wheels are provided with peripheral surfaces surrounding the central axes of the belt wheels and end surfaces located on the two axial sides; a double opposed belt comprising at least two torque transmitting belts of different height levels; the containing groove is formed by sectioning from one end face of the belt wheel to the other end face of the belt wheel and penetrates through one of the two end faces, and an opening is formed in the peripheral face of the belt wheel; the anchor point is arranged on the wall surface of the accommodating groove; the end cover is arranged in the opening in an embedded mode, the side face, away from the belt wheel, of the end cover is a smooth face, and the smooth face is consistent with the outer circumferential face of the belt wheel in curvature; one part of the torque transmission belt is guided out of the containing space and then completely wraps the circumferential face formed by embedding and splicing the outer circumferential face of the belt wheel and the smooth face of the end cover. By the adoption of the scheme, the rotation angle of the joints in the mechanical arm is enlarged.

The invention relates to the technical field of arc-shaped microcrystalline panels, in particular to an arc-shaped microcrystalline glass plate and a preparation method and application thereof. The roughness of the inner and outer surfaces of the arc-shaped microcrystalline glass plate is less than or equal to 0.06 mu m; the radial unevenness A of the arc-shaped microcrystalline glass plate is less than or equal to 0.4%, and A = h / L * 100%; the axial unevenness B of the arc-shaped microcrystalline glass plate is less than or equal to 0.4%, and B = d / L * 100%. The arc-shaped microcrystalline glass plate provided by the invention has a flat and smooth surface, can avoid optical scattering, meets the visibility requirement, and has the advantages of good flatness, low radial unevenness and axial unevenness, no warping angle phenomenon and obvious visual distortion.

The invention belongs to the technical field of diamond preparation, and discloses a high-speed preparation method of a thick diamond film, which comprises the following steps of: uniformly spreading diamond particles on a substrate by using absolute ethyl alcohol, placing the substrate on a sample table in an MPCVD (Micro-Pressure Chemical Vapor Deposition) system, and introducing hydrogen, slowly heating the interior of the MPCVD system to a preset cleaning temperature so as to perform plasma cleaning on the surface of the substrate, and growing the substrate on the basis of the growth hydrogen flow, the methane gas flow, the growth power, the growth temperature and the growth air pressure through a segmented growth method, promoting the growth of nano-scale diamonds in gaps of the diamond particles on the surface of the substrate to connect the diamond particles to obtain a compact and uniform rough thick diamond film, and polishing the rough thick diamond film to obtain a thick diamond film with a smooth surface; the thick diamond film is grown on the substrate on which a layer of diamond particles are paved by using hydrogen and methane gas through a segmented growth method, so that the high-speed preparation efficiency of the thick diamond film is improved.

The invention relates to the technical field of enameled wires, and provides a manufacturing method of an enameled wire for painting after stranding of bare metal conductors in order to solve the technical problems that paint is difficult to fill uniformly and the surface performance is unstable due to the fact that lines and gaps exist on the surface of a stranded conductor. Comprising the following steps: S1, carrying out annealing softening treatment on a single-core metal conductor; s2, twisting the plurality of annealed conductors; s3, annealing the stranded conductor again; s4, the stranded conductor sequentially passes through a front furnace and a rear furnace to be painted, low-viscosity insulating paint is used in the front furnace, a felt method is used for coating, gaps are filled through pressurization, a furnace body is prolonged, and repeated coating and baking are carried out in a circulating mode; a rear furnace is coated with a high-viscosity insulating paint eye mold, the roundness is adjusted through a slightly large eye mold in the first four times, coating and baking are conducted multiple times through a conventional eye mold in the subsequent process, and a rear furnace body is shorter than the front furnace to prevent over-baking; s5, coating lubricating oil or wax; and S6, rolling a finished product. The stranded enameled wire is compact in structure, smooth in surface and excellent in flexibility and bending resistance.

This invention discloses a rapid modeling method for large-size composite structures with variable thickness solid meshes based on a yarn model, belonging to the field of finite element modeling of fiber-reinforced composite materials. Its core process includes: for a large-size component S to be analyzed, generating yarn models for each ply partition using composite material design software and batch-dividing triangular meshes; similarly, extracting smooth surface profiles from the three-dimensional geometry of the overall component S and generating a structured shell mesh as the base carrier; then, using a voxel hash-accelerated spatial Boolean intersection algorithm to automatically identify the element sets of each ply partition between each yarn mesh and the overall shell mesh, generating a stepped solid mesh through normal offset, ensuring interface compatibility through node merging, and finally assigning material properties and generating an analysis model that can be directly submitted for solution. This invention significantly reduces manual workload and error risk, providing an efficient and reliable preprocessing solution for the curing deformation and strength analysis of composite material structures.

The present description belongs to the technical field of battery materials. Disclosed are a single-crystal ternary positive electrode material, a preparation method therefor, a positive electrode sheet and a battery. The apparent factor of the single-crystal ternary positive electrode material is [Formula 1], wherein 1.1≤Z≤3, x=D90 / D10, 2≤x≤5; S(D90) is the number averaged circularity, the total number of target particles is n, and the number averaged circularity is defined as the sum of circularity values of all of the target particles divided by n. The area and circumference corresponding to a two-dimensional projection image of a single target particle are respectively S1 and l1, the circumference of a circle having the area S1 is l2}, and the circularity = l2 / l1. The D10' is the corresponding particle size of a material obtained by compacting the single-crystal ternary positive electrode material at 200 MPa, D10 does not exceed 2.4 μm, and D10' does not exceed 2.3 μm. The single-crystal ternary positive electrode material has smooth surfaces and rounded edges, which are beneficial for fabricating batteries having excellent electrochemical properties.

The invention discloses a multi-view three-dimensional reconstruction method for a slender object based on curve guidance. According to the method, geometric prior and a deep learning segmentation network are fused, two-stage foreground extraction, a curve-guided motion recovery structure (SfM) and a surface optimization module capable of differential Poisson reconstruction are provided, and a set of complete processing flow is established for the problem that a slender and weak-texture object is difficult to accurately reconstruct. The method comprises the following steps: acquiring a multi-view image through a consumer-level terminal and performing frame extraction to obtain an input data set; generating a high-quality foreground mask by utilizing depth estimation and semantic segmentation; performing curve-guided SfM initialization based on the foreground skeleton curve to realize joint estimation of the camera pose and the sparse three-dimensional curve; carrying out surface geometric optimization through a micro Poisson equation and differentiable grid rendering; and designing a multi-branch loss function fusing luminosity, mask, regularization and Gaussian rendering supervision to train the model. Finally, the method can output a three-dimensional reconstruction result of the slender structure with high geometric accuracy, strong structural integrity and smooth surface, and has good robustness and application value.

The invention relates to a method for regulating and controlling the performance of PeLEDs by waiting time before spin-coating, which comprises the following steps: step 1, dropwise adding a perovskite precursor solution to a zinc-magnesium-oxygen electron transport layer which is prepared in advance and has acetate on the surface, standing and waiting for 8-15 seconds on the electron transport layer, the perovskite precursor solution and the electron transport layer are subjected to a pre-reaction; 2, carrying out spin-coating film formation on the perovskite precursor solution subjected to the pre-reaction treatment, and then carrying out annealing treatment on the perovskite film; the perovskite thin film is an FAPbBr3 thin film; the perovskite precursor comprises FABr and PbBr2, and the molar ratio of the FABr to the PbBr2 is greater than 2: 1. According to the method, the perovskite thin film with a smooth surface is prepared by using specific waiting time before spin coating, so that local electric injection nonuniformity is inhibited, the efficiency roll-off of the device is reduced, and the brightness of about 590000 cd m <-2 > is finally realized.

Chemically treating ionically conductive sulfide glass solid electrolyte separators or separator layers can improve performance. In particular, treatment involving chemically etching a surface or surface region of the sulfide glass separator to blunt, lessen or remove edge defects or surface flaws, and / or to enhance surface smoothness is cost effective, reliable and well suited for high production environments compared to physical methods of removing scratches or smoothing surfaces, such as mechanical grinding and polishing.

The invention belongs to the related field of ultra-precision polishing technology, and discloses an ultrasound-piezoelectricity-photocatalysis assisted chemical mechanical polishing method which comprises the following steps: mixing a basic polishing abrasive, a piezoelectric material and a photocatalyst, calcining and grinding, and processing to obtain a modified abrasive; preparing a polishing solution containing a piezoelectric catalysis carrier and a photocatalysis carrier at the same time; the polishing process is completed through a chain of mechanical stress, a piezoelectric electric field, efficient carrier separation and more active species participating in reaction. The invention further discloses a matched polishing device. Compared with the prior art, the method has the advantages that the material removal rate can be effectively increased, the polishing time can be effectively shortened, the surface quality can be further improved, the subsurface damage can be reduced, in addition, a more environment-friendly polishing solution can be used, the waste liquid treatment cost is reduced, the environment is protected, and the method is suitable for industrial production. Therefore, the polishing device is especially suitable for various high-hardness materials to realize the polishing application occasions of low-damage and ultra-smooth surfaces of the high-hardness materials.

The invention discloses an efficient edge chamfering device and method for edges of a square stone plate, and belongs to the technical field of stone machining. The device comprises a machine table, a stone plate fixing assembly and a chamfering assembly. The fixing assembly triggers an air cylinder to conduct synchronous clamping through a contact sensor to achieve rapid positioning. The angle adjusting mechanism is linked with a rotating hand wheel through a worm gear reducer, and the inclination angle is accurately controlled to be 0.1 degree; the chamfering assembly is integrated with a binocular 3D vision camera to generate a three-dimensional model, and the self-adaptive grinding unit is driven to dynamically adjust the path and the feeding amount in combination with feedback of a pressure sensor. The controller realizes full-closed-loop control, and ensures that the edge error is small and the surface is smooth. And compared with a traditional process, the clamping time is shortened by 60%, the energy consumption is reduced by 30%, compatible machining of stone plates of multiple specifications is supported, the yield is high, and the method is suitable for high-precision machining of the stone.

The invention discloses a fuel oil and air crossed heat exchanger generated based on a three-period minimum curved surface Diamond cell element structure, belongs to the technical field of heat exchangers, is innovatively designed based on the three-period minimum curved surface structure, and has the characteristics of being smooth in surface, free of sharp edges and unique and complex in flow channel. The flow guide structure adopts a flow guide piece with a mapping porous structure, fluid distribution is optimized, flowing dead zones are reduced, resistance loss is reduced, and the purposes of high efficiency and energy conservation are achieved. In addition, due to the periodical design of the overall structure of the heat exchanger, the boundary effect problem caused by the fact that a rectangular coordinate system expresses a TPMS structure in the additive manufacturing process is solved, the fluid flowing uniformity is improved, and the performance is improved. The heat exchanger core body in modular design effectively avoids the problem that the 3D printing quality is reduced due to the overlarge size, and the manufacturing precision and the equipment performance are improved. The innovative design provides a brand new solution for the requirements of high-efficiency, light-weight and long-service-life heat dissipation equipment in the aerospace field, and has important engineering application value and wide market prospects.

The invention discloses a perovskite thin film, a photoelectric device and a method for improving the surface quality of the perovskite thin film. The method for improving the surface quality of the perovskite thin film comprises the following steps: S1, preparing the perovskite thin film; s2, performing picosecond pulse laser surface polishing treatment; and S3, guanidine ion implantation and repair: applying a guanidine salt solution to the surface of the perovskite thin film, removing the redundant guanidine salt solution on the surface of the perovskite thin film after the guanidine ions are implanted into the surface of the perovskite thin film, and then carrying out annealing treatment. According to the method, the surface of the perovskite thin film is polished through the picosecond pulse laser, the roughness of the surface of the perovskite is effectively reduced, a surface layer rich in defects is removed, guanidine ions are selectively implanted again through a multi-A-site vacancy structure formed on the surface of the perovskite thin film subjected to laser polishing, multiple hydrogen bonds are formed through the guanidine ions and a perovskite framework, and the surface roughness of the perovskite thin film is effectively reduced. And deep and stable defect passivation and lattice strengthening are realized, and the high-quality perovskite thin film with smooth surface, low defect density and high stability is obtained.

The invention discloses a punching-free installation attendance machine, and belongs to the technical field of attendance machines, the punching-free installation attendance machine comprises a preassembled plate fixedly installed on the outer side of a smooth preset surface, a machine body is installed on the preassembled plate through a lifting assembly, and a detection module for monitoring the body type and position of a user is installed on the machine body; an adsorption assembly used for being adsorbed to the smooth surface is arranged at the center position of the pre-assembling plate, flexible adhesive patches bonded to the smooth surface are further evenly embedded and fixedly installed on the back face of the pre-assembling plate, an air blowing pipe is further installed on the adsorption assembly, a fixing base is fixedly installed on the back face of the machine body, and an air conveying assembly is arranged on the inner side of the fixing base. According to the attendance machine without punching installation, multi-mode matched positioning is adopted, the adsorption structure can be automatically adjusted in the follow-up using process, the adsorption stability is ensured, automatic cleaning of a working area can be achieved in the position height adjusting process, and the punching recognition precision is ensured.

The invention relates to a surface treatment method for a formed aramid fiber composite material, belongs to the technical field of fiber production equipment, and solves the problems of low polishing efficiency and poor polishing effect of a round end face after the aramid fiber composite material is cut in the prior art. The surface treatment method comprises the following steps: step 1, filling a composite material sample between a first rolling groove and a second rolling groove; s2, driving a first rolling groove to linearly move relative to a second rolling groove through a first driving device, and simultaneously driving the composite material sample to roll along the bottom surface of the second rolling groove; s3, starting a second driving device to drive a plurality of polishing discs to rotate to perform double-sided polishing on the composite material sample; s4, low-temperature polishing liquid is sprayed to the surface of the sample through spray heads arranged between the adjacent polishing discs at intervals; and S5, blanking is conducted. By means of the surface smoothing device, surface smoothing treatment on the cutting end face of the aramid fiber composite is achieved.

The invention discloses a PBO fiber reinforced bulletproof helmet and a preparation method thereof. The PBO fiber reinforced bulletproof helmet is provided with a shell, the shell comprises a resin matrix and reinforcing material layers, the reinforcing material layers are distributed in the resin matrix, and the adjacent reinforcing material layers are fixedly combined through the resin matrix; the reinforcing material layer comprises PBO fibers. According to the bulletproof helmet, the PBO fiber is adopted as a reinforcement body to prepare the bulletproof helmet for the first time, and the problems that an existing aramid fiber helmet is poor in bulletproof performance and an ultra-high molecular weight polyethylene helmet is poor in stability are solved; according to the preparation method provided by the invention, the hot pressing process is optimized, so that the problem of deviation caused by smooth surface of the PBO fiber and poor bonding property with the resin is avoided, and the PBO fiber reinforced bulletproof helmet with stable shape and excellent performance is prepared.

An alloy wheel is formed having a three dimensional configuration defining a face and recessed surfaces. The face of the wheel is machined providing a smooth surface at the face and defining an edge between the smooth surface of the face and the recessed surfaces. A nozzle element for projecting a plasma jet toward the wheel is provided. The plasma jet is projected toward the smooth surface of the face, the edge, and toward at least a portion of the recessed surfaces forming an alloy oxide at least on the face and the edge disposed between the face and the recessed surfaces. A first polymeric coating is applied over the face, the recessed surfaces and the edge disposed between the face and the recessed surfaces.

The invention relates to the technical field of concrete fracture tests, in particular to a preparation method of a transparent resin-based imitation concrete material. Comprising the following steps: S1, weighing raw materials: weighing epoxy resin and a curing agent according to a mass ratio of 20: 1; s2, material mixing: pouring the epoxy resin and the curing agent into a stirring cup, placing the stirring cup in a planetary gravity stirrer, and performing high-speed mixing under a vacuum condition; s3, water bath cooling: putting the mixed liquid subjected to vacuum defoaming into cold water for water bath cooling; s4, pouring and forming: slowly pouring the cooled mixed solution into a mold, and standing and primarily curing at room temperature to form an initial setting body; s5, constant-temperature curing: transferring the mold containing the initial setting body into a constant-temperature drying oven, and continuously curing; and S6, demolding the test piece: after curing is completed, removing the mold to obtain the transparent imitation concrete resin test piece with a smooth surface and no bubbles inside. By adopting the transparent resin-based imitation concrete material, the damage characteristic can be directly observed, and an experimental basis is provided for high-pressure water jet stress wave cracking concrete.

The invention relates to a silicon nitride crystal based on high static nitrogen pressure and active nitrogen regulation and a growth method thereof. The silicon nitride crystal is prepared by the growth method, and the method adopts a physical gas phase transmission process and specifically comprises the following steps: introducing high static pressure nitrogen (1-3 bar) and trace NH3 / N2 mixed gas into source powder formed by mixing high-purity beta-Si3N4 and polycrystalline silicon, and dynamically maintaining the gas phase N / Si molar ratio to be (1.33 + / -0.1): 1, thereby inhibiting the decomposition of the source powder and stabilizing the crystal growth; carrying out spray granulation on the source powder, carrying out compression molding, placing the obtained product in a graphite crucible with the inner wall coated with TaC, and carrying out ordered epitaxial growth by controlling the temperature difference of a temperature zone at 1800-2000 DEG C and the axial temperature gradient; according to the method, the dislocation density and the carbon impurity content of the silicon nitride crystal can be remarkably reduced, then the high-purity silicon nitride crystal with a complete structure and a smooth surface is obtained, and the method is suitable for the fields of high-temperature electronic devices and deep ultraviolet light electronics.

A self-aligning jamb jack apparatus with a cylindrical threaded adjustment component that has adjustment component threads on the exterior wall and smooth surface on the interior walls, the cylindrical threaded adjustment component extending through a cylinder with a smooth exterior to a ball (or cut-off sphere), the smooth surface extending through the cylinder and the ball (or cut-off sphere). The jamb jack apparatus also has a platform base with a socket configured to encompass the ball (or cut-off sphere) such that the platform base pivots around the ball (or cut-off sphere). The self-aligning jamb jack apparatus is installed in a door or window jamb (or any other appliance) to connect and regulate the space between the jamb and the rough framing.

The invention provides a super-smooth antifouling surface with photo-thermal self-repairing performance as well as a preparation method and application of the super-smooth antifouling surface. The super-lubricity antifouling surface comprises a light response substrate and a lubricating layer formed on the light response substrate. Wherein the photoresponse substrate can trigger the photothermal conversion performance under the irradiation of near-infrared light, so that the temperature of the super-lubricity antifouling surface is rapidly increased, polyethylene wax and C12-C16 long-chain alkane in the lubricating layer can be in a molten state, the position, with defects, of the surface of coastal or marine common mechanical equipment is filled up, and after cooling, the surface of the mechanical equipment is not damaged. And a self-repairing function is realized. Compared with the prior art, by compounding the polyethylene wax and the C12-C16 long-chain alkane, a novel solid-state phase-change super-smooth surface can be provided, the stability and the antifouling property of the super-smooth antifouling surface are remarkably improved, and the problem that the antifouling property fails due to the fact that a traditional liquid-state super-smooth surface lubricating layer is poor in shear resistance is remarkably solved.