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289 results about "Coating deposition" patented technology

Metal plated additively manufactured plastic ACM housings with internal thermally adaptive structure

A method of forming a housing for an ACM, having steps of: forming a base: a first section adjacent to a seal of an ACM compressor rotor when installed; a second section that is fixed to an ACM forward frame member when installed; a third section adjacent to a bearing and sleeve disposed around an ACM compressor rotor shaft when installed, forming the base includes: printing thermoplastic polymer surfaces from thermoplastic polymers that are disposed against each other, the thermoplastic polymer surface having differing CTEs; forming a lower support section on the base by printing, layer by layer, along the plurality of discrete sections of the base a mixture of a third thermoplastic polymer and a catalyst formed with metal; and forming an upper support section on the housing by depositing on the lower support section, along each of the discrete sections, via electrolysis deposition, a metallic coating.
Owner:HAMILTON SUNDSTRAND CORP

Multi-layer vacuum coating method for enhancing surface of high-precision metal part

The invention relates to the field of metal surface treatment, and discloses a multi-layer vacuum coating method for enhancing the surface of a high-precision metal part, which comprises the following steps: S1, surface treatment: removing surface pollutants and oxide layers through plasma cleaning, and coarsening the surface of a base material through laser etching; s2, coating deposition is conducted, specifically, a metal transition layer and a multi-layer nano hard coating are deposited in an enhanced mode through plasma; s3, depositing a self-lubricating coating: depositing the self-lubricating coating by pulse laser; s4, post-treatment: carrying out ion beam assisted post-treatment; s5, heat treatment: performing low-temperature heat treatment to eliminate stress. Through the plasma enhanced PVD and pulse laser deposition technology, the multi-layer nano coating is deposited under the low-temperature condition, the problem of thermal deformation of a heat-sensitive metal base material caused by a traditional high-temperature process is solved, and it is ensured that the multi-layer coating with high hardness and high compactness can still be formed on the premise that the size precision of the base material is not affected; and therefore, the method can be widely applied to surface treatment of high-precision parts.
Owner:陈强

Zirconium alloy cladding high-temperature oxidation resistant composite coating for nuclear and preparation method of zirconium alloy cladding high-temperature oxidation resistant composite coating

The invention discloses a nuclear zirconium alloy cladding high-temperature oxidation resistant composite coating and a preparation method thereof, and belongs to the technical field of nuclear zirconium alloy coatings. According to the preparation method disclosed by the invention, through component gradient structure design, Cr ion pretreatment activation, deposition of a pure Cr inner coating, deposition of a Cr70Al30 intermediate coating and deposition of a Cr50Al50 outer coating are sequentially carried out on the surface of a nuclear zirconium alloy cladding, and the Cr-Cr70Al30-Cr50Al50 composite coating zirconium alloy cladding with a three-layer structure is obtained. According to the method, outward migration of the Al element is effectively limited while the excellent anti-oxidation characteristics of the Cr and Al elements are fully utilized, the coating has the excellent high-temperature oxidation performance, and the requirement for the service performance of the surface coating of the zirconium alloy cladding at the extremely high temperature is met.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Partitioned multifunctional metal double-cavity vacuum coating process and system

The invention discloses a partitioned multifunctional metal double-cavity vacuum coating process and system, and belongs to the technical field of material surface treatment. The process comprises the steps of base material pretreatment, double-cavity preparation, vacuum inspection, first cavity bottom layer deposition, vacuum transfer, second cavity functional layer deposition and cooling, the double cavities are provided with corresponding target materials respectively, and parallel operation and vacuum seamless transfer are supported; the system comprises double coating cavities, a vacuum transmission channel, a vacuum acquisition and control module, a coating deposition module, a workpiece bearing module and a process parameter regulation and control module, and each of the double cavities is provided with a multi-target mounting rack and carries a real-time monitoring unit and an intelligent control system. Integrated preparation of the composite film layer and synchronous production of multifunctional workpieces are achieved, operation gaps are eliminated, the compactness and adhesive force of the film layer are improved, parameter deviation and the reject ratio are reduced, and batch production requirements are met.
Owner:SUZHOU YANJIE HARDWARE TECHNOLOGY CO LTD

Preparation method and application of plasma etching resistant coating

The invention discloses a preparation method and application of a plasma etching resistant coating, and relates to the technical field of coatings. Comprising the steps that a yttrium oxide layer is prepared through a low-pressure plasma spraying method, the yttrium oxide layer comprises a relative porous layer (the porosity is 1%-3%) and a compact layer (the porosity is smaller than 1%) which are sequentially stacked, and the relative porous layer is used for making contact with a base body. By adopting low-pressure plasma spraying, the yttrium oxide layer with controllable coating morphology and thickness can be obtained, and the thermal expansion coefficient mismatch between the substrate and the compact layer can be effectively relieved through the relative porous layer close to the substrate; the compact layer on the surface is uniform in structure, low in porosity, excellent in cohesion strength and excellent in plasma etching resistance, plasma and a matrix can be isolated, and generation of particles in the etching process is avoided. The compact layer and the relatively porous coating are both prepared on the basis of the same powder material and by adopting the same coating deposition equipment, so that the production efficiency can be improved, and the production cost and the pollution risk caused by transfer between production steps can be reduced.
Owner:GUANGDONG INST OF NEW MATERIALS

Composite electrodes with multilayer coatings

A solid electrode includes particles of an electroactive material, a solid electrolyte comprising particles of an ionic conducting compound having at least one halogen element, a conductive carbon, and a coating deposited on the particles of the electroactive material, the particles of the solid electrolyte, or a combination thereof. The coating includes a metal halide, a metal sulfide, a metal phosphide, a metal oxide, a metal selenide, or a combination of two or more thereof. A method for preparing the solid electrode includes milling a mixture of the electroactive material, the conductive carbon, and the solid electrolyte to produce the coated solid electrode material comprising the coating derived from decomposition products of the ionic conducting compound, the coating deposited on the particles of the electroactive material, the solid electrolyte, or a combination thereof.
Owner:UCHICAGO ARGONNE LLC

Apparatus and method for coating substrates with washcoats

A washcoat showerhead for depositing a washcoat onto a face of a substrate comprises a housing having an inlet for receiving the washcoat, a showerhead plate and a baffle. The housing and showerhead plate define a showerhead cavity with the baffle located within the showerhead cavity. The showerhead plate has a plurality of nozzle apertures for discharging the washcoat towards the face of the substrate. The baffle comprises an impermeable central body and a plurality of arms extending from the impermeable central body, the plurality of arms defining a plurality of flow apertures circumferentially arranged around the impermeable central body.
Owner:JOHNSON MATTHEY PLC

Cutting tool and machining method for titanium alloy material

The invention discloses a titanium alloy material cutting tool and a machining method, and the machining method comprises the following steps: proportioning a hard phase WC, a binding phase and an additive according to a ratio, carrying out ball milling, spray drying and compression molding to obtain a tool blank, carrying out segmented sintering treatment, machining and molding to obtain the cutting tool, and then carrying out heat treatment to obtain the titanium alloy material cutting tool. Sequentially carrying out electromagnetic coupling strengthening treatment and surface coating plating treatment to form a TiN layer, a CrAlN layer, a CrAlSiN layer and a CrAlBN layer; the titanium-based alloy powder is added into the binding phase, so that the high-temperature strength, the heat resistance and the lightweight characteristic of the cutting tool can be enhanced; the modified CeO2 can improve the microstructure uniformity, the interface bonding force and the oxidation resistance of the cutter, so that the density and the crack resistance are improved; electromagnetic coupling strengthening treatment and multi-layer coating deposition treatment are carried out on the cutting tool, the hardness, wear resistance, oxidation resistance and high temperature resistance of the surface of the tool can be remarkably improved, and meanwhile coating stripping is effectively prevented.
Owner:HEYUAN FUMA CEMENTED CARBIDE CO LTD

Nanoparticle reinforced composite fiber membrane and preparation method thereof

The invention discloses a high-flux anti-pollution nanofiber membrane modified by a nanoparticle reinforced coating and a preparation method of the high-flux anti-pollution nanofiber membrane. The nanofiber membrane is prepared by doping hydrophilic nanoparticles into a spinning solution and coupling an electrostatic spinning process with a functional coating for modification. The hydrophilic nano-particles are selected from hydrophilic modified inorganic nano-particles, organic nano-particles, carbon-based nano-materials or metal organic framework materials. Nanoparticles, a membrane base material and a solvent are blended to form a uniform spinning solution, and functional coating deposition is performed after electrostatic spinning forming. The method is simple and efficient in preparation process, and the obtained nanofiber membrane has excellent hydrophilicity and anti-pollution performance. The introduction of the nanoparticles not only realizes hydrophilic modification of the membrane surface, but also significantly enhances the bonding strength of the coating and the matrix, so that the membrane material has excellent selective separation performance on oil substances (the rejection rate is greater than or equal to 99%) and macromolecular impurities while maintaining high flux (pure water flux is 3000-4000 L.m <-2 >. H <-1 >), and the transmittance on protein can reach 99%. The membrane material also has outstanding flux recovery rate (greater than or equal to 90%) and long-term operation stability, and has wide application prospects in the fields of sewage treatment, food processing and the like.
Owner:NANJING TECH UNIV +1

Method for cold spraying of hard repair coating on 7xxx-series ultrahigh-strength aluminum alloy

The invention discloses a method for cold spraying of a hard repair coating on a 7xxx-series ultrahigh-strength aluminum alloy, and relates to a method for cold spraying of a repair coating. In order to improve the performance of a cold spraying repair coating of a high-strength aluminum alloy structural part, the invention provides a method for cold spraying of a hard repair coating of a 7xxx-series ultrahigh-strength aluminum alloy, the cold spraying coating deposition is assisted by utilizing the advantage of plasma rapid heating, online heat treatment is carried out on a matrix and the coating before, during and after particle deposition, and the cold spraying repair coating of the 7xxx-series ultrahigh-strength aluminum alloy is obtained. Deposited particles, a substrate and the surface of the coating are softened under the action of plasma arc light, so that particle deposition can reach critical heat and force conditions more easily, the metallurgical bonding proportion is increased, the bonding force and compactness of the coating are improved, online heat treatment is beneficial to regulation and control of the substrate and the coating structure, and the performance of the coating is improved.
Owner:HARBIN INST OF TECH

Method for improving corrosion resistance of coating through PVD and ALD composite preparation technology

The invention relates to the technical field of coating production, in particular to a method for improving the corrosion resistance of a coating through a PVD and ALD composite preparation technology, according to the method, the advantages of PVD and ALD preparation technologies are combined to deposit the coating, ALD intercalation layers are deposited at different positions of the coating prepared through PVD, and therefore the defects generated in the PVD coating deposition process are overcome. And analyzing the section and phase of the deposited coating by utilizing characterization equipment, and detecting electrochemical and corrosive wear properties in a 3.5 wt.% NaCl solution. The PVD coating is subjected to intermediate or surface treatment by adopting an ALD preparation technology, so that the electrochemical performance of the coating is effectively improved.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Rearview mirror lens coating production method, system and equipment

The invention relates to the technical field of automobile part production, in particular to a rearview mirror lens coating production method, system and equipment, and the method comprises the steps: sequentially depositing at least two functional film layers in the coating process, monitoring the thickness and uniformity of the film layers in real time, and generating a first film layer quality parameter set; based on the first film layer quality parameter set, predicting a deformation risk area of the lens in a subsequent calibration stage, and outputting a deformation risk level and a compensation suggestion parameter; according to the deformation risk grade and the compensation suggestion parameters, local driving force distribution of the deformable mold is adjusted in a self-adaptive mode, secondary forming processing is conducted on the lens, and actual shape deviation data are collected; and carrying out association analysis on the first film layer quality parameter set, the deformation risk level and the actual morphology deviation data, and dynamically optimizing a coating deposition path and a mold deformation compensation strategy for subsequent lens production. According to the invention, the problem of dynamic deformation of the rearview mirror lens caused by film layer stress accumulation in the film coating production process is effectively solved.
Owner:JIANGSU KESHENG AUTO PARTS CO LTD

Doped zirconia electrolyte and electrolyte supported SOC unit preparation method

The invention provides a preparation method of doped zirconia electrolyte powder, an electrolyte supporting SOC unit prepared by using the powder and a process method. An improved coprecipitation method is adopted to solve the problem of component segregation caused by huge difference of solubility product constants of composite precipitates, and uniformly doped electrolyte powder is obtained. Meanwhile, the electrolyte powder is utilized, a hydrogen electrode coating and an electrolyte supporting body are subjected to multi-layer tape casting, co-sintering, isolation layer magnetron sputtering, oxygen electrode silk-screen printing and co-sintering again, the sintering process after coating deposition is simplified, the sintering frequency and the sintering time are reduced, and the unit breakage rate is reduced. The method is applied to the field of electrolyte supporting SOC units and electrolyte supporting SOC stacks.
Owner:CHENGDU YUNHAI XINGHE TECHNOLOGY SERVICE CO LTD

Preparation method of optical fiber insulator

The invention discloses a preparation method of an optical fiber insulator, and relates to electrical equipment and insulator technologies, and the preparation method comprises the steps: carrying out spiral groove cutting on a composite core rod, and sequentially carrying out phosphating treatment, plasma activation and nano coating deposition treatment; performing fitting treatment on the optical fiber and the treated composite core rod; the surface of the composite core rod is wrapped with a prepared sheath, the sheath is of a microphase separation structure formed by mixing liquid crystal polymer LCP and hydrogenated nitrile rubber HNBR as base materials according to the specified mass ratio, injection molding is conducted through a magnetic field induction orientation technology, the axial thermal expansion coefficient of the sheath is reduced to 28 * 10 / K to be close to that of the core rod, and the core rod is made of a composite material. The radial thermal expansion coefficient is kept at 90 * 10 / K and is close to the umbrella skirt; the outer side of the sheath is provided with umbrella skirts, and the two ends of the composite core rod are provided with hardware fittings. According to the method, self-adaptive regulation and control of the thermal expansion coefficient of the sheath material can be realized, and the anchoring stability, the interface durability and the electrical reliability of the optical fiber are remarkably improved.
Owner:BEIJING KERUITE TECHNOLOGY CO LTD +1

High-performance multilayer coating based on magnetron sputtering technology and preparation method thereof

The invention relates to the technical field of coating preparation, and particularly discloses a high-performance multi-layer coating based on a magnetron sputtering technology and a preparation method thereof.The preparation method comprises the steps that pretreatment is conducted on a base material, specifically, cleaning, polishing and ion cleaning are conducted on the base material; a transition layer, a functional layer and a protective layer are sequentially deposited on the surface of a base material through the magnetron sputtering technology, a multi-layer alternating structure is formed, after each coating is deposited, the surface of the coating is cleaned and activated through the ion bombardment technology, the transition layer adopts a Ti target material, the functional layer adopts a CrAlN target material, and the protective layer adopts an Al2O3 target material; and low-temperature annealing treatment is conducted on the multi-layer alternating structure to eliminate internal stress and improve the compactness of the coating, and the high-performance multi-layer coating is prepared. Through multi-layer coating structure design and ion bombardment treatment, the interlayer binding force is remarkably improved, and the problems of coating stripping and cracking are solved.
Owner:GUANGDONG SHICHENG PLASTIC MACHINERY

Small series-parallel spraying robot trajectory planning method and system for local area of surface of special equipment

The invention discloses a small hybrid spraying robot trajectory planning method and system for a local area of the surface of special equipment, and the method comprises the steps: S1, task shunting: determining a scene of visual shunting when a target area does not meet a repetitive or standardized repair condition, S2, point cloud acquisition and segmentation: segmenting a plane point cloud and a curved surface point cloud, and storing the segmented points; s3, deposition modeling: mapping the plane coating deposition model to a curved surface point cloud corresponding area according to a geometrical relationship to obtain a deposition model suitable for a free-form surface; s4, parameter joint optimization: establishing a deposition superposition model of a single track and an adjacent track, and solving the distance between the adjacent tracks and the running speed of the spray gun in a joint manner by taking the minimum coating thickness variance as a target; and S5, track generation: in a visual shunting scene, applying the optimal parameter pair output in the step S4 to set a path spacing and a speed, and generating an execution track. According to the method, in-situ repairing of the special equipment is achieved, adaptability is high, and precision is high.
Owner:HEFEI UNIV OF TECH

Preparation method of graphite for large semiconductor

The invention discloses a preparation method of graphite for a large semiconductor, and belongs to the technical field of graphite for semiconductors. The method comprises the steps of raw material pretreatment, forming process, graphitization, purification and post-treatment, wherein needle coke and a carbon-based functional material are mixed, and a carbon-based dispersing agent is added under the action of a gradient magnetic field for dispersion to obtain a pretreated raw material; filling the mixture into a carbon-based mold, carrying out cold isostatic pressing molding through cooperation of gradient pressure and a gradient magnetic field, and absorbing stress through a carbon-based buffer material to obtain a molded green body; placing the green body in a large graphitization furnace, regulating and controlling a magnetic field in sections, introducing mixed gas, strengthening the reaction through a carbon-based catalytic material, and prolonging the reaction time of a core part by utilizing gas backflow to complete graphitization and purification; and finally, carrying out plasma surface activation, boron nitride coating deposition and annealing treatment to obtain a graphite product for a large semiconductor. The problems that the purity of a large green body is out of control, the impurity removal gradient difference is large and the stress is large can be effectively solved, and the product performance is excellent.
Owner:AOTONG CARBON (NEIJIANG) TECH CO LTD

Method for producing a cutting tool

A method for producing a cutting tool including a tool body including a hard coating, the method comprising: applying the hard coating to the tool body at least in an area of a cutting edge, a flank, and a chipping surface; depositing the hard coating on a surface of the tool body, of the cutting tool in an area of the cutting edge, of the flank adjacent to the cutting edge, and of the chipping surface adjacent to the cutting edge; sharpening the cutting edge that is provided with the hard coating and that forms a dull rounded edge by partially removing the hard coating in the area of the flank of the cutting edge by laser machining to form a sharpened cutting edge so that an angle δ is enclosed between a first geometric plane in which a surface of the tool body extends.
Owner:ROLLOMATIC SA

Manufacturing method of container floor with enhanced wear resistance

The manufacturing method comprises the following steps that a basalt fiber / graphene modified epoxy resin base plate is prepared, a tungsten carbide reinforced titanium alloy honeycomb layer is formed through selective laser melting (SLM), the titanium alloy honeycomb layer is compounded to the surface of the base plate through vacuum diffusion welding, and the wear resistance of the container floor is enhanced. Gradient silicon nitride ceramic laser cladding is carried out on the surface of the composite substrate, and bionic micro-groove laser etching and diamond-like carbon (DLC) coating deposition are carried out on a cladding layer. According to the manufacturing method of the container floor with the enhanced wear resistance, compared with a traditional steel floor, the weight is reduced by 50% or above, meanwhile, the bending strength is improved to be larger than or equal to 320 MPa, through silane coupling agent pretreatment (KH-550) of basalt fibers and the nanometer enhancement effect of graphene, the impact resistance of the base plate is remarkably improved, and the harsh working condition requirements of high-frequency forklift loading and unloading are met.
Owner:LINYI DINGLIXIN WOOD IND CO LTD

Improved cathode target external notch anode cap of magnetron sputtering device based on conventional column target discharge and use method of cathode target external notch anode cap

The invention discloses an improved cathode target external notch anode cap of a magnetron sputtering device based on conventional column target discharge and a use method. The method belongs to the field of surface treatment. The problem that effective adjustment of plasma energy is limited due to the fact that the target-substrate distance is small and an anode cannot be inserted in an existing method is solved. The anode cover is arranged outside the columnar cathode target material, and the columnar cathode target material, the anode cover and the slender pipe barrel part are coaxially arranged and can axially rotate. The whole circumference of the discharge surface is fixed to be a partially cylindrical plane with an axial section, meanwhile, the periphery of the columnar target is coated with the anode cover, the anode cover is a circular tube with an axial notch in the side face, the end face is arc-shaped, and the single side is open, so that the discharge distance from the target surface to the anode cover is increased, the discharge difficulty of the built-in columnar target is reduced, and the discharge efficiency of the built-in columnar target is improved. Plasma energy can be effectively regulated and controlled by an electric field; synchronous cleaning of the target surface and the inner wall of the slender pipe barrel part is achieved, and uniform and efficient coating deposition of the inner wall is achieved by rotating the slender pipe barrel part at a constant speed.
Owner:HARBIN INST OF TECH

High-hardness wear-resistant TiAlN / TiSiN superlattice coating and preparation method thereof

The invention relates to the technical field of preparation of superlattice coatings, and discloses a high-hardness wear-resistant TiAlN / TiSiN superlattice coating which comprises a multi-layer nano-layer structure, and the total thickness of the multi-layer nano-layer coating is 3.7-5.0 microns; the multi-layer nano-layer structure is formed by alternately depositing a TiAlN nano-layer and a TiSiN nano-layer which are of two face-centered cubic structures; the thickness ratio of the TiAlN nano layer to the TiSiN nano layer is 1: 1, and the thickness of a single layer is less than 10nm; the preparation method comprises the steps of substrate pretreatment and deposition treatment, wherein the deposition treatment comprises a substrate heating step, a substrate etching step, a target cleaning step, a nanometer multilayer coating deposition step and a cooling step. The operation method is simple, the deposition rate is high, the coating process is stable, the structure and performance of the coating can be precisely regulated and controlled, the TiAlN / TiSiN nano multilayer coating with the superlattice structure is obtained, the superhard level is achieved, and the hardness and wear resistance of the tool are effectively improved.
Owner:CHENGDU TOOL RES INST +1

Manufacturing process and equipment of high-performance long-service-life cold working die

The invention discloses a manufacturing process and equipment of a high-performance long-service-life cold working die. The process comprises the following steps: quenching and tempering a cold-work die steel blank to obtain a tempered martensite structure; plasma nitrocarburizing is carried out to form a reinforced diffusion layer; the micro-pit array is machined through pulse laser, and an annular heat-affected softening zone is formed around the opening of the pit; depositing a hard coating, and forming a cantilever structure on the edge of the micro pit; wherein plasma nitrocarburizing is carried out in a low-pressure plasma atmosphere, laser processing and coating deposition are carried out in a vacuum or protective atmosphere, and transfer among the steps is not exposed to the atmosphere. The invention further provides corresponding manufacturing equipment which comprises a heat treatment cavity, a plasma nitrocarburizing cavity, a surface micro-texture machining cavity, a coating deposition cavity and a vacuum transfer cavity. According to the invention, the hardness mutation between the coating and the matrix is relieved, a hardness gradient transition structure is constructed, the fatigue stripping resistance of the coating is obviously improved, and the service life of a mold is prolonged.
Owner:浙江鑫哲模具有限公司

Electrostatic spray gun motion compensation method for eliminating aluminum material spraying male and female surfaces

The invention is suitable for the technical field of aluminum material spraying control, and particularly relates to an electrostatic spray gun motion compensation method for eliminating aluminum material spraying yin and yang surfaces, and the electrostatic spray gun motion compensation method for eliminating aluminum material spraying yin and yang surfaces comprises the following steps: obtaining aluminum material surface structure information; determining a first type of area and a second type of area based on the aluminum material surface structure information; generating a first spraying parameter based on the first type of region, and generating a second spraying parameter based on the second type of region; generating a parameter mutation feature based on the first spraying parameter and the second spraying parameter; and when it is detected that the spray gun moves from the first type of area to the second type of area, a spray gun motion compensation track is generated based on the parameter mutation characteristics, the spray gun is controlled to adjust the first spraying parameter to the second spraying parameter, and meanwhile the spray gun moves from the first type of area to the second type of area according to the spray gun motion compensation track. According to the method, the problems of coating deposition deviation and asynchronous movement and parameter adjustment caused by parameter mutation are effectively reduced, and the yin-yang surface phenomenon is remarkably improved.
Owner:JIANGXI YIXIANG ALUMINIUM CO LTD

Polycrystalline cubic boron nitride coated cutting tool as well as preparation method and application thereof

The invention relates to a polycrystalline cubic boron nitride coated cutting tool and a preparation method and application thereof.The polycrystalline cubic boron nitride coated cutting tool comprises a PCBN base body and a first coating formed on the PCBN base body, the PCBN base body is at least provided with a polycrystalline layer, the polycrystalline layer comprises cubic boron nitride, a first binder and a second binder, and the first coating is formed on the PCBN base body. The second binder is selected from a mixture of one or more of aluminum, titanium, cobalt, nickel, tungsten, niobium, tantalum and zirconium, and the ratio of the average particle size of the cubic boron nitride to the average thickness of the first coating is 0.5-2.5. The thermal expansion coefficient of the PCBN polycrystalline layer is matched with the thermal expansion coefficient of the coating by regulating and controlling the formula of the PCBN substrate (the type and proportion of the binder) and the formula of the coating, and the thermal stress between interfaces during cutting is reduced; and by regulating and controlling the thickness of the cubic boron nitride and the coating, the deposition nucleation of the coating is compact, and the hardness of the coating is matched with that of a polycrystalline layer.
Owner:SHENZHEN HAIMINGRUN SUPERHARD MATERIALS +1

Coating deposition process for implant

The invention discloses a coating deposition process for an implant, and relates to the technical field of implant coating preparation, and the deposition process comprises the following steps: S1, base material pretreatment: placing a base material in a deionized water mixed solution for ultrasonic cleaning, adopting low-temperature plasma purification treatment, utilizing high-energy particles of plasma to bombard the base material, and using the high-energy particles of the plasma to bombard the base material; the preparation method comprises the following steps: removing surface and internal impurities, introducing active groups, forming a nanoscale rough interface with the surface roughness Ra of 50-200nm on the surface of a base material through a chemical etching process and femtosecond laser etching synergistic process, and carrying out vacuum drying on the base material; s2, metal gasification: placing a metal tantalum raw material in an upstream heating zone of the reaction chamber; the chemical vapor deposition (CVD) technology is adopted, osseointegration can be promoted, the infection risk can be reduced, the method is suitable for porous implantation instruments of the orthopedics department, the dental department and the like, the obtained coating technology is compatible with a complex base material structure, the clinical curative effect and the life quality of a patient are improved, large-scale production is supported, and development of a new material industry chain is promoted.
Owner:QINGDAO ADVANCED GRAPHITE MATERIALS CO LTD

Steel member surface coating thickness control system based on machine vision

The invention belongs to the technical field of industrial coating engineering and automatic control, and relates to a steel member surface coating thickness control system based on machine vision, which is characterized in that electromagnetic characteristics of a liquid coating are sensed in real time through a dielectric parameter detection module; the rheological and dynamic behaviors of the coating are analyzed by utilizing a microdynamics measurement module and combining impact force sensing and structured light imaging; a direct measurement result of the machine vision module on the three-dimensional morphology of the coating is fused, and the information and the pose data of the spray gun are synchronously packaged into a physical state vector by means of a multi-source data fusion module; matching an optimal strategy through a collaborative decision control module, and generating a control instruction; and finally, a controlled fluid resonance perturbation field is formed in the jet flow, so that in-situ and self-adaptive regulation and control of the coating deposition process are realized. The method solves the problems that a traditional spraying process lacks real-time, quantitative and self-adaptive control capability on the coating deposition process and guarantees the coating thickness uniformity and the process stability.
Owner:LONGYAN UNIV

Automatic electrostatic spraying parameter intelligent regulation and control method for special pipe surface treatment

The invention relates to a special-shaped pipe surface treatment technology, and provides an automatic electrostatic spraying parameter intelligent regulation and control method for solving the problem that the thickness of an electrostatic spraying coating of a special-shaped pipe is not uniform. Firstly, a special pipe three-dimensional geometric model is constructed by means of three-dimensional laser scanning, and an electrostatic field is simulated to obtain electric field distribution data. And then utilizing an improved genetic algorithm to optimize spraying parameters including spray gun voltage, current and the like. During spraying, parameters are monitored in real time through a sensor and are automatically adjusted after being compared with optimized values, and accurate regulation and control are achieved. According to the method, the accurate spraying process physical model and the coating deposition model are constructed, the uniformity and quality of the coating are effectively improved, material waste is reduced, the production efficiency is improved, an efficient and reliable solution is provided for special pipe surface treatment, and the method has good application prospects in the related industrial production field.
Owner:LIAOCHENG DEVELOPMENT ZONE QIANFENG PIPE IND CO LTD

Galvanized steel wire rope plastic coating device

The invention provides a galvanized steel wire rope plastic coating device, and relates to the technical field of steel wire ropes, the galvanized steel wire rope plastic coating device comprises a box body, a storage cavity, a circulating conveying mechanism, a fixed shell I, a plastic coating mechanism, a fixed shell II and an air drying mechanism; a complex assembly process is not needed, the early-stage investment and installation difficulty of an enterprise can be reduced, meanwhile, all the mechanisms are compact in layout and small in occupied space, and the device is suitable for production scenes of different scales and convenient to apply and popularize in industrial production; stable conveying of the plastic coating material is achieved through the circulating conveying mechanism, deposition and blockage of the plastic coating material can be avoided, uniform feeding of the plastic coating mechanism is guaranteed, the problem that feeding of existing equipment is unstable is solved, meanwhile, the conveying amount of the plastic coating material can be accurately controlled by adjusting the rotating speed of a motor, and the feeding reliability is further improved; the output blade of the plastic coating mechanism can enable redundant plastic coating materials to flow back to the storage cavity through the output port, recycling of the plastic coating materials is achieved, material losses are reduced, the production cost is reduced, and the problem that waste of the plastic coating materials of existing equipment is serious is solved.
Owner:BAOSTEEL GRP NANTONG WIRE PROD