904 results about "High surface" patented technology

The invention belongs to the technical field of aerogel materials, and particularly relates to high-performance antistatic aerogel for 3D printing as well as a preparation method and application thereof. According to the invention, inorganic hollow nanoparticles are selected as a nucleating modifier for in-situ polymerization of aniline monomers in a polyamide solution, so that polyaniline-coated inorganic hollow nanoparticles are uniformly dispersed in polyamide, and the aerogel composite material with polyamide as a continuous phase and polyaniline-coated inorganic hollow nanoparticles as a conductive and reinforced phase is formed. The use of the hollow inorganic nanoparticles avoids the problem that the solid inorganic nanoparticles lose the characteristics of the inorganic nanoparticles due to high specific gravity and high surface energy, and easy agglomeration or adsorption with other substances in the preparation process of the solid inorganic nanoparticles. The inorganic hollow nanoparticles are adopted as a nucleating modifier, so that the problems of agglomeration of solid nanoparticles and dispersion in a polyamide matrix are well solved.

The invention relates to an antistatic PET (Polyethylene Terephthalate) base film for preparing a polaroid release film and a preparation method thereof, the release film base film is prepared by taking an optical-grade PET slice as a main body, adding modified PET with a specific structure and a modified SiO2 filler, and carrying out co-extrusion casting, a unique three-section stretching process and coating with a coating liquid. According to the invention, material modification and process improvement are carried out, specifically, an optical-grade PET slice is taken as a main body material, modified PET and a modified SiO2 filler with a specific structure are added, a film is prepared through co-extrusion casting and a unique three-section stretching process, and then the surface of the film is coated with a layer of antistatic coating liquid, so that the antistatic film is obtained. The finally prepared base film has low alignment angle, low transverse hot shrinkage rate and high surface adhesion, keeps the characteristics of high light transmittance and low haze of an optical-grade polyester film, endows the film with certain antistatic property, and is particularly suitable for being used as a release film of a high-end polaroid.

The invention discloses a quality detection system based on three-dimensional point cloud scanning and RGB image fusion, relates to the technical field of industrial automatic detection, and aims to solve the problem of high quality detection error rate caused by the fact that a detection result is easily interfered by visual angle change and illumination conditions in an existing detection method. According to the method, the color point cloud model under the unified coordinate system is constructed through space calibration and point pixel level registration, and the structural information and texture features of the workpiece are effectively reserved. Therefore, the problem that the quality detection error rate is high due to the fact that the detected object has curvature dramatic change, a strong reflection area or frequent shielding is solved. According to the method, the detection accuracy is improved, meanwhile, the robustness and the operation efficiency are high, the industrial workpiece detection requirements with complex curved surface structures and high surface quality requirements can be met, and the actual application requirements of an industrial site for an intelligent surface detection system are met.

The present invention relates to the technical field of ship lock concrete construction, and in particular to a material placing system and construction method for concrete pouring on a high surface of a ship lock. According to the present invention, a feeding belt conveyor is arranged in a line direction of the ship lock and used for conveying concrete materials from a bottom end to a high end, and then by means of a bidirectional telescopic material placing machine which is transversely arranged, the concrete materials are transversely conveyed to the side wall of the ship lock for concrete pouring; the pouring height is adjustable; the transverse extension and retraction length is adjustable, and the bidirectional telescopic material placing machine can extend and retract along the left side and the right side in the transverse direction; and the pouring range is large, and the construction efficiency is high.

The invention relates to the technical field of BOPP (biaxially-oriented polypropylene) films, in particular to a scratch-resistant adhesive-free matt film and a preparation method thereof, and the scratch-resistant adhesive-free matt film comprises a matt layer, a core layer and a thermal composite layer which are sequentially arranged, the matt layer comprises co-polypropylene, high-density polyethylene, 2.0-2.5 wt% of linear alkyl silicone (the weight-average molecular weight is 12-150 thousands, and the surface tension is 42-45 mN / m) taking maleic anhydride modified aziridine as a terminal group, and 2000-4000 ppm of spherical polymethyl methacrylate (the particle size D50 is 4.0-5.0 microns); the core layer comprises homo-polypropylene; and the thermal composite layer comprises an ethylene-vinyl acetate copolymer and 2000 to 4000 ppm of a spherical anti-blocking agent. According to the scratch-resistant adhesive-free matt film, through collaborative design of the components of the matt layer and the thermal composite layer, balance of scratch resistance, high surface tension (printing applicability) and winding and unwinding smoothness of the surface of the matt layer is achieved, and a solution for the scratch-resistant generality problem of the matt surface of the high-end BOPP matt film is provided.

The invention relates to the technical field of high polymer material processing, in particular to a blow molding method of a composite toughened film, which comprises the following steps: step 1, preheating matrix resin in preheating equipment; 2, feeding the mixed raw materials into a double-screw extruder for melt blending; 3, feeding the dried composite particles into a hopper of a single-screw blow molding extruder; 4, adjusting the air volume and the air pressure of the cooling system according to the monitoring result; and 5, the formed film pipe is folded into a flat shape through a guide component and led out through a traction roller, the traction speed and the extrusion speed are coordinated to control the traction ratio, corona treatment is conducted on the surface of the thin film to improve the surface energy, then rolling tension is controlled for rolling, and the rolling tension is controlled according to the elasticity and thickness of the thin film to prevent excessive stretching or loosening. The uniform distribution and proper compatibility of the composite toughening component improve the toughness of the film, and maintain the strength and barrier property of the film.

The invention provides a solvent-free UV dielectric insulation protective coating as well as a preparation method and application thereof. The high-surface-energy and high-glass-transition-temperature UV-curable coating is prepared by combining flexible modified polyurethane acrylate, flexible acrylate, rigid acrylate with high glass transition temperature, a high-functionality acrylate cross-linking agent, methyl methacrylate with high dilutability and high glass transition temperature as well as a plurality of photoinitiators, auxiliaries, pigment and filler powder and the like. The invention relates to a dielectric insulation protective coating with high adhesive force. The prepared coating is a solvent-free 100% solid single component, is complete in mixing and dissolving, convenient to construct, high in light curing energy utilization rate, high in production efficiency and suitable for large-scale automatic large-scale flow line production, and compared with PSA back glue used for a traditional PET blue film, the outer surface of the coating has higher surface energy, and the coating has the advantages of being high in light curing energy utilization rate and high in production efficiency. And the film has considerable dielectric insulation performance and good edge covering protection performance, and meets the development requirements of a higher charging voltage platform of a fast-charging electric vehicle in the future.

The invention discloses an electron beam composite scanning filling melting forming method and device, and relates to the technical field of additive manufacturing. A melting forming method for electron beam composite scanning filling comprises the following steps that a three-dimensional digital model of a part to be printed is established and sliced and layered, and layered scanning data are obtained; dividing a contour edge area and an internal area of the section of the part based on the hierarchical scanning data; based on a random discrete point algorithm, generating a random discrete point scanning path of the contour edge area; generating a continuous line scanning filling path of the internal region based on a parallel equidistant line filling method; in the contour edge area, according to a random discrete spot scanning path, a pulsed electron beam is adopted for spot scanning, filling and melting; and in the internal area, according to a continuous line scanning filling path, a focused electron beam is adopted for line scanning filling melting, single-layer filling melting is completed, and then filling melting is completed layer by layer till the part is formed. According to the method, collaborative optimization of the surface quality and the printing efficiency is achieved, and the problem that at the present stage, the surface roughness of an electron beam powder bed printing part is too high is solved.

The invention belongs to the field of advanced scientific devices integrating optics, quantum mechanics, atomic physics and a vacuum technology, and particularly relates to a glass vacuum cavity and a manufacturing method thereof.The manufacturing method includes the steps that the inner surfaces of window pieces are machined firstly, an inner working face with high surface shape precision can be obtained, and after the inner surfaces are machined, the four window pieces are plated with films, and the working faces are plated with antireflection films; the optical cement surface is plated with an optical cement auxiliary film, and the diffraction film is rubbed after the optical cement surface is plated with the film, so that the optical cement strength is ensured to be optimal. After every two of the four window sheets are subjected to optical cement deepening, the outer surfaces are processed, and when the outer surfaces are processed, the inner surfaces are protected, so that the quality of a film layer is not damaged. By means of the method that optical processing, film coating and optical cement deepening are conducted on the inner surface alternately, and then optical processing, film coating and optical cement deepening are conducted on the outer surface alternately, the glass vacuum cavity which is high in window piece surface shape precision, high in window piece parallel precision, high in combination strength and good in air tightness, and the film layer surface quality is not prone to pollution or damage can be machined.

The invention relates to the technical field of material surface engineering, and discloses a plastic surface treatment process to solve the problems that in the prior art, a plastic surface coating is poor in adhesive force and single in function, and a traditional treatment method is not environmentally friendly. The process sequentially comprises the following steps: pre-treating a base material, and obtaining a clean and stress-free base material through ultrasonic cleaning and thermodynamic stress elimination; performing low-temperature plasma surface activation, performing physical bombardment and chemical modification on the plastic surface by utilizing plasma of specific process gas in a vacuum environment, introducing a large number of active functional groups, and remarkably improving the surface energy; and preparing and applying the functional nano coating, namely forming firm covalent bonds by using the coupling agent in a coating solution containing functional nano particles and a coupling agent and the anchor points, so that the chemical coupling of the functional coating and the plastic substrate is realized.

The invention belongs to the technical field of satellite-borne optical remote sensing imaging, and relates to a multi-point flexible adhesive supporting structure of a large-aperture satellite-borne rectangular lens group and an integration method. The supporting structure comprises a rectangular mirror body, an integrated rectangular mirror frame and an anti-radiation back plate; the rectangular mirror body is embedded into the integrated rectangular mirror frame; the integrated rectangular mirror frame is detachably connected with the anti-radiation back plate; bonding ring assemblies are mounted on the periphery of the integrated rectangular mirror frame, and the four side faces of the periphery of the rectangular mirror body are fixedly connected with the bonding ring assemblies in a bonding mode; the lower side bonding ring assembly and the upper side bonding ring assembly are matched in a one-rigid-one-flexible mode, and the right side bonding ring assembly and the left side bonding ring assembly are matched in a one-rigid-one-flexible mode. And the one-rigid and one-flexible matching form is that one component adopts a rigid structure, and the other component adopts a flexible structure. The problems of high surface shape precision microstress, high stability, space radiation resistance, universality of a supporting structure and the like of an existing satellite-borne rectangular mirror body are solved.

The invention relates to the technical field of die-casting dies, in particular to a metal die-casting die with a material taking mechanism, which comprises a fixed die, a movable die, an ejection mechanism and a guide mechanism, the ejection mechanism and the guide mechanism are arranged on the movable mold; the ejection mechanism comprises an ejection plate and a linear driver, the ejection plate is arranged in a cavity of the movable mold, the linear driver is mounted on the movable mold, and the driving end of the linear driver is in transmission connection with the ejection plate; the guide mechanism comprises two guide plates movably arranged on the movable mold, and the two guide plates are located on the two sides of the cavity correspondingly. According to the die-casting die, the function of guiding the casting to fall off when the casting is ejected out is achieved, the situation that the casting collides with other objects or is clamped in the falling process is avoided, and the problem that the casting cannot fall off accurately in the taking process of a traditional die-casting die is solved. Casting ejection is conducted through the ejection plate, ejection work can be conducted on castings such as thin-wall shells or deep-cavity parts with the high surface smoothness requirement, local stress is reduced through large-area contact, and the casting quality is guaranteed.

The invention discloses a composite material hollow plate and a preparation method, and belongs to the technical field of composite material plate preparation. The composite material hollow plate comprises an outer plate and an inner plate, a plurality of corrugated supporting structures are connected between the outer plate and the inner plate, and a cavity is formed between every two adjacent corrugated supporting structures. A wear-resistant reinforcing agent is added into an outer plate material to improve the surface wear resistance, an epoxy-amine dual-core double-wall microcapsule is introduced into an inner plate material to enhance the crack repairing capacity, and a shape memory reinforcing agent is added into a corrugated supporting structure material to endow the material with the shape memory characteristic. The invention solves the technical problems of difficulty in consideration of strength and toughness, short service life, poor buffer performance, insufficient interface bonding strength and the like of the existing composite material hollow plate, and is particularly suitable for steel coil packaging and other application scenes requiring repeated use and high reliability.

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 embodiment of the invention provides a silicon wafer lifting method and a silicon wafer, and the method comprises the steps: completely cutting a crystal bar into silicon wafers through a cutting line, and controlling the silicon wafers to move upwards; and in the process of controlling the silicon wafer to move upwards, controlling the cutting line to alternately and circularly move in the positive and negative directions. According to the silicon wafer lifting method provided by the embodiment of the invention, the contact area of the silicon wafer clamping the cutting line is smaller by utilizing the characteristic that the wire bow of the forward and reverse routing is smaller than that of the one-way routing, so that the probability that the cutting line forms scratches on the surface of the silicon wafer in the lifting process can be reduced, the condition of wafer falling during lifting can be reduced, and the lifting efficiency of the silicon wafer is improved. The method has the advantages of fast speed increase, high surface quality of the prepared silicon wafer and small secondary damage.

The invention belongs to the technical field of coated glass, and particularly provides a deposition method of a metal seed layer in TGV metallization and magnetron sputtering equipment. The invention aims to solve the problem of serious surface discharge phenomenon caused by low adhesive force between a metal film and a glass substrate, low metal coverage rate and step rate in a through hole and high accumulated charge on the surface of glass in the existing TGV metallization process. The independent and controllable ion source is introduced to assist deposition, the ion source is started at different stages of metal film deposition, and directional and high-energy positive ion flow generated by the ion source is utilized to bombard the surface of the glass substrate so as to assist the magnetron sputtering process, so that the surface of the glass substrate is subjected to magnetron sputtering. Through shallow ion implantation, enhancement of surface migration energy of deposited metal atoms and neutralization of negative charges accumulated on the glass surface, the adhesive force between metal and a glass substrate is improved, the metal coverage rate and the step rate in a through hole are improved, surface discharge is inhibited, and therefore the process stability is improved.

Hybrid 3D printing systems and methods that can embed continuous fibers in photosensitive resins to produce a dense, high surface quality, fiber reinforced component, including complex shapes. The system includes a nozzle system having a resin container and a fiber path therethrough, the nozzle system having an outlet for resin and a continuous fiber, and at least three light sources spaced around and each in close proximity to the outlet, with each of the at least three light sources independently controllable. In use, the light source behind the nozzle, when the nozzle is moving, is activated to cure the photosensitive resin. The continuous fiber can be a pre-impregnated, high density fiber bundle (e.g., 6K, 12K).

The invention relates to the field of sound insulation materials, in particular to an environment-friendly automobile interior sound insulation material and a preparation method thereof. An environment-friendly automobile interior sound insulation material comprises a mass layer and a sound absorption layer, the mass layer is made of PET and PP composite non-woven fabric, and the weight of the mass layer is 1500-1700 g / m; the sound absorption layer is made of PET non-woven fabric, and the weight of the sound absorption layer is 400-500 g / m. The mass layer is made of PET and PP composite non-woven fabric, the weight reaches 1500-1700 g / m, and by means of the high surface density and composite structure, transmission of low and medium frequency noise of an engine, a road surface and the like can be effectively blocked; the sound absorption layer is a PET non-woven fabric of 400-500 g / m, the porous structure of the sound absorption layer can absorb medium-high frequency noise, and full-band sound insulation is achieved through combination of the quality layer and the sound absorption layer.

The invention discloses a high-surface-quality invar alloy cold-rolled steel strip and a manufacturing method thereof.The manufacturing method comprises the working procedures of acid pickling, cold rolling and pre-pressing, coping, cold rolling and rolling, cleaning, annealing, leveling, shearing and packaging, the surface of an invar alloy hot-rolled steel coil is subjected to acid pickling through a mixed acid solution, cold rolling and pre-pressing are conducted through three-pass cold rolling and rolling, and the surface quality of the invar alloy hot-rolled steel coil is improved. At least three pairs of grinding heads are adopted for grinding, the grinding frequency is not less than 3 times, multi-pass cold rolling is carried out after grinding, the number n of rolling passes meets the condition that n is larger than or equal to 0.5 * m + 1, m is the thickness of the ground cold-rolled steel strip, and the unit is mm. According to the method, the technical problems that the surface quality of the invar alloy cold-rolled strip is difficult to control, the requirement is high and the like can be effectively solved, invar alloy products with high surface quality and high plate shape requirement are prepared, and the high-surface-quality use requirement of a user is met.

The present invention relates to a combined process of ultra-precision grinding and photochemical mechanical polishing of laser crystal slices. The process comprises the following steps: using a coarse-grained grinding wheel for rough grinding to achieve rapid thinning and determine the depth of the subsurface damage layer, providing a reference for the grinding wheel feed rate in the fine grinding stage; using a fine-grained grinding wheel for fine grinding to remove the damage layer introduced in the rough grinding stage, and obtaining higher surface / subsurface quality and surface accuracy by optimizing process parameters; using aluminum oxide (Al2O3) abrasives to prepare a special polishing liquid for photochemical mechanical polishing, and performing semi-fine polishing on the laser crystal slices to quickly remove the surface damage caused in the grinding stage; using zirconium oxide (ZrO2) abrasives to prepare a special polishing liquid for photochemical mechanical polishing, and performing fine polishing on the laser crystal slices to further optimize the surface quality and surface accuracy; and using an ultrasonic cleaner to clean the laser crystal slices, with anhydrous ethanol as the cleaning agent. The present invention can simultaneously achieve high surface integrity and high-efficiency processing of laser crystal slices.

The invention discloses steel with high surface hardness for a battery shell and a preparation method. The steel comprises the following chemical components in percentage by weight: 0.004 to 0.007 percent of C, 0.01 to 0.03 percent of Si, 0.25 to 0.40 percent of Mn, 0.004 to 0.01 percent of P, less than or equal to 0.002 percent of S, 0.05 to 0.1 percent of Cr, 0.02 to 0.05 percent of Al, 0.035 to 0.055 percent of Ti, 0.001 to 0.003 percent of B, 0.02 to 0.04 percent of Nb and the balance of Fe and inevitable impurities. By optimizing the chemical components and the production process, the steel shows good deformation uniformity in the high-speed stamping process, the flat elongation is effectively improved, stamping defects are reduced, meanwhile, the surface hardness of the shell is remarkably improved, and the mechanical damage resistance of the battery shell is enhanced.

The invention relates to the technical field of metal material strengthening treatment, in particular to a micropitting-resistant wind driven generator gear carburizing and quenching composite strengthening process which comprises the following steps: S1, gear blank pretreatment and surface activation; s2, gradient carburizing strengthening treatment; s3, grain refinement annealing treatment; s4, step quenching strengthening treatment; s5, performing deep cooling and thermal cycle treatment; s6, directional tempering regulation and control treatment; s7, composite shot peening strengthening treatment is conducted; and S8, an antifriction composite film layer is deposited on the surface of the gear subjected to shot peening strengthening in the S7. According to the method, through a synergistic strengthening mechanism of gradient carburization, step quenching, structure regulation and control and surface functionalization, the residual stress distribution and tribological performance are optimized while the high surface hardness of the gear is kept, and the technical problems that in a traditional technology, the carburized layer is concentrated in stress, uneven in structure, single in surface performance and the like are solved.

The invention discloses a multi-element co-coated lithium ion ternary positive electrode material and a preparation method thereof, the multi-element co-coated lithium ion ternary positive electrode material comprises an inner core and a shell, the inner core is a high-nickel ternary positive electrode material NCM, the nickel content is greater than or equal to 80%, and the median particle size D50 of the powder is 6-12 [mu] m; the shell is a composite coating layer and coats the surface of the inner core, the composite coating layer comprises LATP, TiO2 and AlPO4, the total mass of the composite coating layer accounts for 0.5%-3% of the mass of the inner core, and the mass ratio of the LATP to the TiO2 to the AlPO4 is (80%-90%): (12%-6%): (8%-4%). The surface of the ternary material is simultaneously coated with a layer of LATP, TiO2 and AlPO4 spontaneously at one time through a hydrothermal method, so that the contact between the ternary material and an electrolyte is reduced, the surface lithium ion mobility is improved, the polarization is reduced, and the cycling stability and safety of the material are further improved.

The invention provides a 5G50 aluminum alloy plate strip for anodic oxidation and a preparation method of the 5G50 aluminum alloy plate strip. The 5G50 aluminum alloy plate strip for anodic oxidation comprises the following elements in percentage by mass: 0.01%-0.10% of Si element, 0.04%-0.15% of Fe element, 3.0%-4.0% of Mg element, 0.2%-1.2% of Mn element, less than or equal to 0.02% of inevitable impurity element in total content, less than 0.05 wt% of single impurity element and the balance of Al. Wherein after the aluminum alloy plate strip is subjected to anodic oxidation treatment, the surface of the aluminum material has no heterochromatic stripe defect, and the chromatic aberration E is less than 0.15. The 5G50 aluminum alloy plate strip for anodic oxidation can give consideration to both high surface quality and excellent mechanical performance, is widely applied to 3C consumer electronics, and can achieve the practical effects of falling resistance, light weight and attractive appearance of the product.

The invention discloses a positioning racking system for coating a large-size optical element. The positioning racking system comprises a main body structure, a lifting mechanism, a rotary bearing platform, a movement mechanism and a safety protection mechanism. A main body structure adopts a rigid design of composite support of a tripod and a tailstock. The lifting mechanism drives double ball screws to move synchronously through a worm and gear speed reducer, and precise lifting of the bearing platform is achieved. The rotary bearing platform can freely rotate by 360 degrees and is provided with a balance weight groove to adjust the gravity center. And the movement mechanism realizes flexible movement and stable support of the system. The safety protection mechanism integrates inclination angle, overload and limiting detection. The problems that a large-size and high-surface-shape-precision optical element is difficult to mount and position and poor in operation safety in the coating process are solved, and auxiliary mounting and positioning of a tool are safely, conveniently and precisely completed outside a coating machine.

The present invention discloses a laser composite strengthening method with high surface hardness uniformity and its application. The laser composite strengthening method comprises: performing laser remelting along multiple remelting paths on the surface of a metal component to form a remelting layer, and there is overlap between adjacent remelting paths, and adjacent remelting spots in any remelting path overlap; performing multiple rounds of laser quenching along multiple quenching paths on the surface of the remelting layer to form a quenching layer, and in any round, there is overlap between adjacent quenching paths, and adjacent quenching spots in any quenching path are separated from each other, and for the quenching path, the spot positions between multiple rounds complement each other to form overlaps. The laser composite strengthening method provided by the present invention compensates for the thermal interference between the spots by performing laser quenching with a smaller spot size and smaller heat input on the surface of the remelting layer, and forming quenching paths with partial overlap through multiple rounds of complementarity, thereby forming a surface hardened layer with uniform hardness on the surface of the component.

The invention discloses a manufacturing method for efficiently rolling a high-surface-quality 355MPa-grade steel plate for an engineering structure, and belongs to the field of metal processing. The manufacturing method comprises the steps of casting blank heating, rolling, controlled cooling, straightening (hot straightening) and air cooling to the room temperature. The steel plate can meet the performance requirements of the steel plate without subsequent controlled rolling, and meanwhile, the steel plate reaches the D-grade standard after shot blasting. And the remarkable effects of improving the production efficiency, improving the surface quality and reducing the production cost are achieved.

The utility model discloses concrete 3D printing equipment which comprises a guide rail, a mechanical arm and a driving part for driving the mechanical arm to move along the guide rail, and a printing head set and an edge scraping part are arranged at the movable end of the mechanical arm. And the edge scraping part comprises two groups of scraping plates which are symmetrically arranged and is provided with an adjusting part, and the opening degree of the scraping plates is controlled through the adjusting part, so that the edge of the printed concrete is cleaned. The equipment further comprises a first linear module used for driving the edge scraping component to ascend and descend so as to adjust the edge cleaning mode in the printing process. The printing head set is composed of a fixed head and a movable head, the movable head is provided with a rotating part and a second linear module and used for adjusting the distance between the movable head and the fixed head, and therefore different printing requirements are met. The equipment can automatically adjust the position of the scraping part, accurately clean concrete edge residues, improve the printing quality and reduce manual intervention, and is particularly suitable for building projects with high surface quality requirements.

The invention belongs to the technical field of additive manufacturing, and particularly relates to a laser strengthening method for regulating and controlling surface and interface characteristics of additive repair, which comprises the following steps: S1, pretreating a base material; s2, coaxial powder feeding is carried out on the base material, and an additive repairing layer is prepared on the to-be-repaired interface of the base material; s3, laser interface gradient strengthening; and S4, carrying out subsequent treatment and performance detection on the base material. According to the method, a protective coating is not needed, and the technological process is simplified; for interface defects of the regulation and control table, accurate regulation and control on the characteristics can be realized according to specific application requirements; in the application of additive repair, higher surface / interface quality is expected to be realized; through a coating-free high-power-density laser strengthening technology and a composite regulation and control mechanism, remarkable effects are achieved in the aspects of surface and interface performance, process efficiency, applicability and the like, the interface bonding performance is remarkably improved, the microstructure and mechanical performance are optimized, the process efficiency and controllability are good, and the engineering application value is outstanding.

The invention relates to a polishing method of a semiconductor material, in particular to a chemical mechanical polishing method of an InP (Indium Phosphate) substrate, and aims to solve the problems of complex polishing solution formula, high cost, poor suitability of process parameters and InP materials and high surface defect rate in the conventional polishing method. The method comprises the steps of (1) preparing a polishing solution, (2) preparing a circular InP substrate, (3) setting technological parameters and polishing the circular InP substrate, and (4) carrying out acid treatment.The method has the advantages that the polishing solution is simple in formula and low in cost, the surface roughness Ra after polishing is extremely small, defects are few, the technological stability is good, and the method is suitable for industrial production.