82 results about "Metal coating" patented technology

The application discloses a kind of electrochromic device preparation methods for inhibiting reversible electrodeposition silver dendrite growth, comprising: S1: providing the first transparent conductive substrate and the second transparent conductive substrate of different surface square resistance;S2: silver salt, supporting electrolyte, dendrite inhibitor are mixed and prepared into electrolyte solution with organic solvent;S3: two substrates are oppositely arranged, and high surface square resistance side is connected to power negative as deposition electrode, low surface square resistance side is connected to positive, and electrolyte solution is injected to package electrochromic device;S4: the periodic bipolar pulse voltage waveform is applied, including the positive deposition, reverse dissolution and relaxation stage in turn circulation.This method of the application not only realizes the accurate control of electrodeposition kinetics and the improvement of large-area deposition uniformity, but also realizes the effective inhibition of dendrite growth and the significant improvement of metal coating quality, which can meet the stringent requirements of intelligent windows, anti-glare rearview mirror and display devices on long cycle life and high reliability.

Provided are metal detectable plastic bags, method of making and methods of using such bags for preventing product contamination when used to collect and retain samples of product. The metal detectable plastic bag includes a flexible body including an opposed front wall and back wall sealed together around the periphery of the walls to form an internal collection space including two side seal areas, a top seal area and a bottom seal area, a bag opening mechanism located proximate a top edge of the flexible body and below the top seal area. The bag opening mechanism includes one or more perforations, scores or cuts in the one or two side seal areas and optionally the front and back wall to form a removable tear strip. At least a portion of the removable tear strip is surface printed with a metallic based ink or surface coated with a metallic based coating.

The application discloses a heat exchange tube for a vanadium liquid flow battery and a preparation method and application thereof, and belongs to the technical field of liquid flow battery heat exchange. The base material of the heat exchange tube for the vanadium liquid flow battery is any one of an industrial pure titanium tube, a titanium alloy tube or a nickel-based alloy tube; the outer surface of the heat exchange tube is covered with a protective layer, and the protective layer is a polymer coating or a metal coating; wherein the outer surface of the polymer coating has a micro-crease structure. The heat exchange tube for the vanadium liquid flow battery has excellent corrosion resistance and thermal cycle stability, avoids the problem that metal ions in the base material are easily dissolved out, leading to ion pollution of an electrolyte, and thus the safety and stability of the vanadium liquid flow battery are effectively improved.

The manufacturing method of the glass protective film of the present invention includes: forming a metal coating layer on a first side of a base film; forming a scratch-resistant layer on the metal coating layer; forming an anti-ultraviolet layer on a second side of the base film; and forming a peelable layer on the anti-ultraviolet layer. The protective film obtained by the present invention has good film-substrate adhesion, heat insulation, scratch and abrasion resistance, and ultraviolet protection. This manufacturing method is simple, easy to implement, and low-cost, making it suitable for widespread application.

Fire protection layer (1) comprising a multilayer structure: a first stack (50) comprising alternating polymer film layers (10) and glass fiber-comprising layers (20); and a second stack (50) comprising alternating polymer film layers (10) and glass fiber-comprising layers (20); and a steel foil (15), wherein the polymer film layers (10) are metallically coated on both sides.

An electronic device includes a substrate having substrate upper side and a conductive structure. An electronic component is coupled to the conductive structure. A vertical interconnect is coupled to the substrate upper side. An encapsulant covers the electronic component, the vertical interconnect, and the substrate upper side of the substrate. A first metallic coating includes a first metallic coating top side, a first metallic coating sidewall; and a first metallic coating thickness and a second metallic coating includes a second metallic coating thickness. The vertical interconnect is exposed from the encapsulant top side; and is coupled to the first metallic coating. The first metallic coating top side is over the encapsulant top side and over the encapsulant lateral side. The second metallic coating is over the encapsulant top side and the first metallic coating top side is interposed between the encapsulant top side and the second metallic coating.

The application discloses an antioxidant composite ceramic aerogel and a preparation method thereof, and belongs to the technical field of composite ceramic aerogels.The main body of the antioxidant composite ceramic aerogel is a silicon nitride aerogel, the nanostructure of the silicon nitride aerogel is one of one-dimensional silicon nitride nanowires and two-dimensional silicon nitride nanobands or a combination of the two nanostructures, and a mullite coating and a copper-nickel metal coating are sequentially coated on the nanostructure of the silicon nitride aerogel from inside to outside.The application can solve the technical problem that the prior art cannot prepare silicon nitride ceramic aerogels which can stably serve in a high-temperature oxygen environment at low cost and in batches.

The application discloses an antibacterial composite metal coating based on protective area etching and galvanic corrosion and a preparation method and equipment thereof, and the method comprises the following steps: 1) forming a composite coating by vapor depositing a metal transition layer with a standard electrode potential higher than silver, a silver island intermediate layer and electrochemically depositing a silver layer on the surface of a pretreated titanium-based equipment; 2) performing isolation line etching on the outside of the coating area boundary of the equipment surface by laser; 3) preparing a hydrophobic protective coating on the surface of the reserved coating area; 4) filling paraffin in the isolation line groove to form a temporary hole sealing layer; 5) immersing the equipment in an acidic electrolyte to selectively dissolve the coating in the to-be-stripped area in a sectional stripping mode; 6) removing the paraffin in the isolation line groove and performing trimming by laser; and 7) obtaining the coating material after mechanical polishing, cleaning, drying, vacuum packaging and radiation sterilization. The high-strength coating can realize efficient sterilization through the galvanic corrosion effect and prevent coating abrasion during use.

The application discloses a kind of surface coating low melting point conductive metal's conductive basalt fiber and preparation method thereof, belong to basalt fiber modification technical field.The conductive basalt fiber is made of basalt fiber matrix and the low melting point conductive metal coating combined on its surface by melt impregnation process.The preparation method includes: the pretreatment of defatting, cleaning, drying to basalt fiber matrix;Low melting point conductive metal is melted into homogeneous melt under the protection of inert gas;Through the continuous process of impregnation-drawing-coating-cooling, uniform, dense metal coating is formed on the surface of fiber.The volume resistivity of the fiber obtained by the application is as low as 10 ‑4 ~10 ‑2 Ω·cm, the tensile strength retention rate is greater than or equal to 90%, and the cost is low, the environment is friendly, and it is especially suitable for high-end fields such as electromagnetic shielding, intelligent textiles, etc.

A frontside-illuminated photodiode device is provided. The frontside-illuminated photodiode device includes a substrate, a mesa structure formed on an upper surface of the substrate and including a light absorption layer absorbing incident light irradiated through an upper side thereof, and a metal coating layer of a non-plane structure formed on a lower surface of the substrate and reflecting incident light, which is not absorbed by the light absorption layer, to be again absorbed by the light absorption layer.

This application provides an optical gas sensor, which includes a housing, a light source, and a detection probe. The optical gas sensor has an optical chamber and a metal coating. The housing includes an inner wall and an outer wall, with the metal coating at least partially attached to the inner wall. The housing has a first through-hole communicating with the optical chamber and with external gas. The housing comprises a first housing and a second housing, which are separately configured and then fitted together. This method simplifies the metal coating process, ensures uniform coating distribution, and improves the reflection of light emitted by the light source from the inner wall of the housing, thereby enhancing the detection accuracy of the optical gas sensor. A method for manufacturing an optical gas sensor involves electroplating metal onto the inner wall of at least one of the first and second housings, and then assembling the first and second housings.

This invention discloses a wetting agent for water-based coatings and its preparation method. The wetting agent is a comb-like nonionic surfactant, which is an allyl polyether modified polysiloxane polymer. It can reduce interfacial surface tension and has excellent wetting properties. It has broad application prospects in architectural coatings, wood coatings, metal coatings and other fields. The development of environmentally friendly coatings today has put forward higher requirements for product odor. This invention solves the product odor problem through a new process and broadens the application scenarios.

The present invention relates to a waveguide arrangement (1) for a radar sensor (16, 19a, 19b, 19c, 19d), comprising a circuit board (2) having at least one high-frequency component with at least one element for directly radiating or receiving radar signals, an antenna (3) having one or more individual antennas for transmitting and / or receiving radar signals with a definable wavelength, wherein the antenna (3) comprises at least one waveguide (4a, 4b) which is bounded by several side walls, and at least one side wall is formed by the circuit board (2) and the side walls comprise a metal layer, in particular a metal coating, wherein at least one recess (5) is provided in at least one side wall of the waveguide (4a, 4b), and a fence structure (6) is provided which is arranged around the recess (5).

This invention relates to a negative-electrode composite electrode, its preparation method, and an all-solid-state battery. The negative-electrode composite electrode includes a current collector, a metal coating on at least one side of the current collector, and a polymer electrolyte substrate on the surface of the metal coating. The negative-electrode composite electrode provided by this invention uses the polymer electrolyte substrate as a medium to separate the solid electrolyte from the metal coating, and can even directly replace the solid electrolyte, fundamentally avoiding the technical problem of conflict between the metal coating on the current collector and the solid-state battery in negative-electrode technologies. The provided all-solid-state battery can significantly improve the uniformity and reversibility of lithium metal deposition / stripping, fundamentally solving the problems of lithium dendrites, dead lithium, and low coulombic efficiency in negative-electrode batteries. The capacity retention and long-cycle stability of the all-solid-state battery are significantly improved.

The present application relates to the field of photovoltaic technology, and particularly relates to a solder strip preparation method, a solder strip and a solder strip preparation device. The solder strip preparation method comprises: stage-wise calendering a base material to form a first segment and a second segment on the base material, the first segment and the second segment being different in shape; wrapping a protective tape on the first segment; plating a tin-resistant metal coating on the second segment; removing the protective tape from the first segment, and plating a solder coating on the first segment, the melting point of the tin-resistant metal coating being greater than the melting point of the solder coating. The solder strip prepared by the solder strip preparation method does not have the phenomenon of tin accumulation at the bending part, avoids the contact between the solder strip and the film strip, avoids the micro-short circuit phenomenon of the photovoltaic module, and prolongs the service life.

This invention provides a method for forming a coating on a steel workpiece and a coated steel workpiece prepared using this method. Compared with conventional methods, the comprehensive and innovative method provided by this invention for developing amorphous metal coatings can significantly improve the service life, efficiency, and overall performance of steel workpieces such as cutting tools.

This invention discloses a highly conductive carbon fiber composite material and its preparation method. The highly conductive carbon fiber composite material includes a composite matrix and a conductive layer located on the surface of the composite matrix. The conductive layer is made of metal. The composite matrix is ​​obtained by sequentially laying a first ply and a second ply, followed by molding. The first ply includes at least one layer of first prepreg, and the second ply includes at least one layer of second prepreg. The first prepreg is made by mixing carbon fiber and conductive resin, and the second ply is made by mixing metallized carbon fiber and conductive resin. The metallized carbon fiber is carbon fiber with a metal coating on its surface, and the conductive layer is disposed on the surface of the second ply. The carbon fiber composite material of this invention uses metallized carbon fiber and conductive resin in the matrix, which significantly improves the conductivity to meet the requirements of electrostatic protection and lightning protection, while retaining the advantages of lightweight and high strength of carbon fiber composite materials. Furthermore, the materials are firmly bonded together, and the mechanical properties are stable and reliable.

The invention provides a method for detecting electrical parameters of a dielectric sheet by using a detection device, the method is used for detecting the dielectric sheet with a metal coating on one side, the detection device comprises a base and a top plate located on the base, the base is provided with a test cavity and a conductive sheet located at the bottom of the test cavity, and the test cavity is provided with an upper opening; the top plate is provided with a plurality of contact pins; the detection method comprises the following steps: S10, filling a conductive solution into a test cavity of a base without a top plate; s20, placing a dielectric sheet with a metal coating on one side at the upper opening of the test cavity in a manner that the metal coating is back to the base, and enabling the dielectric sheet to be in contact with the conductive solution; s30, the contact pin of the top plate is placed on the base in the mode that the contact pin faces the dielectric sheet, and the contact pin abuts against the metal coating; and S40, conducting the conductive sheet and the contact pin, and connecting a test instrument or a detection circuit to obtain the electrical parameters of the dielectric sheet. According to the method, the electrical parameters of the dielectric sheet can be accurately detected, and nondestructive detection can be realized.

The application discloses a metal coating corrosion peeling area prediction method and system, and the method comprises the following steps: synchronously collecting a rust distribution image of a coating surface and multi-point thickness data, generating a multi-dimensional coating state fusion image containing rust spot morphology characteristics and thickness distribution information; performing rust area segmentation and feature quantization on the multi-dimensional coating state fusion image, and constructing a coating state feature matrix containing multiple feature parameters; inputting the coating state feature matrix into a neural network prediction model, and outputting an interface bonding strength attenuation index; according to the interface bonding strength attenuation index, each area in the image is sorted and classified, and a potential failure area early warning sequence arranged according to peeling risk levels is generated. By using the embodiment of the application, the peeling risk area can be positioned and sorted early and accurately, and the objectivity of prediction and the initiative of maintenance are improved.

This invention relates to a microcapsule modification method based on photocuring and a thermally insulating and corrosion-resistant metal coating prepared based on the microcapsules, belonging to the field of coatings. The microcapsule surface modification method of this invention completes the modification step and microcapsule preparation in one step, simplifying the process; the dispersibility of the modified microcapsules in the resin system is significantly improved. Based on the modification method of this invention, surface-modified microcapsules loaded with corrosion inhibitors and phase transition agents were successfully prepared, effectively improving the performance of the coating. Metal coatings with added bifunctional microcapsules retain their basic properties largely unaffected and exhibit excellent corrosion resistance. Simultaneously, the coating generates a thermal buffering effect, delaying the thermal response and demonstrating effective temperature regulation capabilities, reducing energy consumption, and showing broad application prospects.

The application discloses a bone implant device with a functional coating based on 3D dispensing and high-precision selective coating, and specifically relates to the following: 1) based on 3D scanning and modeling technology, a titanium-based bone implant device is digitally reconstructed, and in combination with finite element simulation analysis of the surface stress of the device in a service state, a stress concentration area is demarcated as a non-coating area; 2) after pretreatment of the device base, panoramic visual 3D dispensing of high-temperature-resistant UV curing glue, gradual photocuring shaping and baking operations are performed on the non-coating area to form stable shielding; 3) through mixed plasma cleaning, vapor deposition and / or electrochemical deposition technology, high-bonding-strength selective deposition of the functional coating is realized on the non-shielding area; 4) after glue removal, cleaning, drying, packaging and irradiation sterilization treatment, the finished product is obtained. The application fundamentally overturns the traditional local plating implementation paradigm of metal coating and has the remarkable advantages of high operation efficiency, convenient process and low cost.

This invention belongs to the field of ceramic substrate surface spraying technology, specifically relating to a transition coating suitable for ceramic cold spraying, its preparation method, and its application. The transition coating for ceramic cold spraying provided by this invention comprises 19.5–94.5 wt% glaze, 0.1–0.5 wt% carboxymethyl cellulose, and 5–80 wt% nickel powder. The key to this invention lies in using a specific ratio of glaze, carboxymethyl cellulose, and nickel powder as raw materials, and forming a transition coating on the surface of ceramic materials through heat treatment. This transition coating not only has good bonding performance with the ceramic material surface but also alters the surface properties of the ceramic material, enabling the ceramic surface with the transition coating to form a metallic coating through cold spraying. It also enhances the bonding strength between the metallic coating and the ceramic material surface, improving the reliability of the metallic coating. This provides a solution to the problem of difficulty in forming metallic coatings on ceramic surfaces through cold spraying and the poor reliability of such metallic coatings.

The application provides a high-voltage dry reed switch and a preparation method thereof. The preparation method comprises the following steps: die cutting a first nickel-iron material to obtain a static reed; welding one end of a second nickel-iron material after machining to a hollow tube to obtain a dynamic reed; forming a metal coating on the overlapping area of the dynamic reed and the static reed by coating; inserting one end of the dynamic reed containing the metal coating into one end of a glass tube, inserting one end of the static reed containing the metal coating into the other end of the glass tube, welding the two ends of the glass tube to the dynamic reed and the static reed respectively, sealing the overlapping area in the glass tube, and vacuum welding the end of the hollow tube to obtain the high-voltage dry reed switch. The application can significantly improve the high-voltage resistance and service life of the dry reed switch, and improve the production efficiency and product quality reliability.

The present disclosure provides a method for forming a coating on a steel workpiece and a coated steel workpiece prepared by the same. Compared to conventional methods, the comprehensive and innovative method for developing amorphous metal coatings would significantly enhance the lifespan, efficiency, and overall performance of steel workpieces such as cutting instruments.

This metal-coated liquid crystal polyester multifilament is characterized by having a metal layer formed of a metal around a single fiber of a multifilament formed of a liquid crystal polyester, and is characterized in that the arithmetic average roughness of the surface of the metal layer is 0.25 µm or less. The present invention addresses the problem of providing a metal-coated liquid crystal polyester multifilament which achieves improvement in adhesion between a coating metal and the multifilament when being bent and in single fiber slack during twisting of the multifilament, in which the metal coating is not easily detached, and from which a high-order processed product having fine quality is obtained.

The utility model provides an axial metal drum bag type brake structure which comprises a brake chamber and an annular brake unit arranged in the brake chamber, at least three independent elastic deformation units are distributed on the inner wall of the brake chamber, and expandable film layer structures are arranged in the elastic deformation units. During expansion, the periphery, the upper end face and the lower end face of the annular brake unit are extruded at the same time, axial space is fully utilized, uniform distribution and maximization of braking force are achieved, meanwhile, all the elastic deformation units are connected with the multi-channel gas circuit distributor, all the elastic deformation units are instantly driven through the multi-channel gas circuit distributor, explosive braking force is generated, and the braking effect is achieved. The extreme emergency braking requirement is met; the film layer structure is of a three-layer composite structure comprising an inner layer, a middle layer and an outer layer which are sequentially arranged from inside to outside, the braking effect is improved through the three-layer composite structure, further, a metal coating is arranged on the outer layer of the braking unit to optimize the friction characteristic, and the service life of the elastic deformation unit is further prolonged.

The present application relates to a kind of surface modified compressor cooling humidification guide vane stage, including blade, porous metal coating and annular vane stage liquid distribution ring, the blade is provided with cavity and liquid distribution hole inside, the cavity is connected with heating water source by liquid distribution hole outside blade, the blade is fixed on the vane stage liquid distribution ring, the cavity and porous metal coating constitute guide humidification structure, the number of guide humidification structure is multiple.Compared with prior art, the present application has the advantages of guiding pressure recovery and humidification to air simultaneously, humidification structure occupies small space and high humidification efficiency.

This invention belongs to the field of metal coating technology, and relates to a laser cladding ceramic particle-reinforced aluminum-based cladding layer and its preparation method. The preparation method includes: mixing nano-TiN particles with a pyrolysis initiator in a volatile solvent, followed by a first-stage spray granulation and low-temperature curing treatment to obtain energy-carrying ceramic particles; mixing aluminum-based alloy powder with the energy-carrying ceramic particles and a composite slurry, followed by a second-stage spray granulation to obtain spherical composite powder; cladding the spherical composite powder onto the surface of an aluminum alloy substrate that has undergone three-step chemical pretreatment; the composite slurry contains modified paraffin wax, polyvinyl butyral, and hexagonal boron nitride; the modified paraffin wax is prepared by heating and melting the paraffin wax, then adding petroleum resin and ethylene-vinyl acetate copolymer, and stirring and reacting under nitrogen protection. This invention solves the problem of simultaneously achieving high hardness, wear resistance, and crack resistance in aluminum-based cladding layers.

The utility model discloses a kind of connecting socket of cable, it is related to cable connection field, the outer periphery of socket body is provided with the annular step of protruding, the surface of annular step and the outer periphery of socket body are all provided with metal coating, conducting rubber ring is arranged between socket shell and socket body, metal coating is connected with ground wire by conducting socket shell and conducting rubber ring, avoid electric shock accident;Still provide a kind of straight cable tapping device, including the connecting plug and connecting socket of cable, the outer periphery of plug body is provided with outer shielding layer, inside is provided with inner shielding layer, ensure that connecting plug is stably connected with ground wire, improve the safety performance of connecting plug, plug body inside is further provided with plug stress cone, improve cable insulation shielding layer break-off place electric field concentration problem, prevent cable breakdown;The end of inner shielding layer towards conical interface is provided with connector insert, guarantee the connection strength between terminal and connecting plug.

This invention belongs to the field of metal coating technology, specifically relating to a gradient composite coating, its preparation method, and its application. The composite coating of this invention comprises a multilayer Al3BC / Al composite material coating, wherein the Al3BC content in the Al3BC / Al composite material is 0 wt.% to 80 wt.%, and the Al3BC content increases or decreases sequentially from the inside to the outside of the multilayer coating, wherein the multilayer comprises at least three layers. The gradient Al3BC / Al composite coating of this invention balances high reflectivity, ablation resistance, lateral heat dissipation, longitudinal heat insulation, and low internal stress in laser protection scenarios, as well as high surface hardness, low interfacial stress, and high bonding strength in wear-resistant scenarios. Furthermore, the preparation method of the gradient Al3BC / Al composite coating is simple, with controllable parameters, and suitable for mass production. This invention also provides applications of this coating in the fields of laser protection coatings and wear-resistant coatings.