78 results about "Titanium coating" patented technology

The invention belongs to the technical field of film coating, particularly relates to a low-temperature titanium nitride coating preparation device for a spinning crochet hook, and aims to solve the problems that manual intervention or carrying is mostly needed and the contact surface of the crochet hook and a placement rack cannot be uniformly coated in the process of putting in and taking out the existing placement rack. The inner wall of the bottom of the equipment body is rotationally connected with a rotating disc, a placing frame is placed at the top of the rotating disc, and the crochet hook bodies are placed in the placing frame; according to the device, the placement frame can be automatically put in and moved out, manpower is greatly saved, in the coating process, the crochet hook body can be driven to move up and down while rotating, the coating efficiency is improved, and the coating quality is improved. And during up-down movement, the crochet hook body is driven by the rotating table to rotate, so that the crochet hook body can be uniformly coated in an all-dimensional and dead-corner-free manner.

The invention relates to the technical field of seabed data centers, in particular to a shelter corridor sealing connection structure, an underwater data center and a shelter corridor sealing method. The shelter corridor sealing connection structure comprises a submarine corridor and a plurality of data shelters. A seabed pipe section and a sea surface pipe section which are integrated are formed on the seabed corridor, and a plurality of corridor butt joint parts are formed on the seabed pipe section. A shelter butt joint part is formed at the end of each data shelter, and the shelter butt joint parts are in sealed butt joint with the corridor butt joint parts. The data square cabin is a steel pipe, and the outer wall surface of the data square cabin and the outer wall surface of the seabed pipe section are compounded with a titanium coating. By the adoption of the method, equipment such as a server in the submarine data square cabin can be conveniently maintained, and meanwhile the corrosion resistance of the data square cabin and the submarine corridor is effectively improved.

The utility model discloses a diving fabric implanted with patterns. The diving fabric comprises a foamed chloroprene rubber sponge sheet, a graphene coating, a patch, a floral pattern layer and a titanium coating. The foamed chloroprene rubber sponge sheet subjected to compression treatment is used as a base material, the compressed sponge sheet is higher in apparent density, the internal hash molecular structure of the sponge sheet is tighter, the surface of the sponge sheet is smoother, printing materials such as printing ink can better permeate into the surface layer of the sponge sheet, and patterns and the sponge sheet are fused together; a layer of textile fabric does not need to be added between the floral patterns and the sponge sheet, the floral patterns can be better presented while environmental protection is achieved, and the service life of the floral patterns is prolonged. In addition, the titanium coating enables the floral patterns to be better in oxidation resistance and friction resistance, the floral patterns printed on the sponge sheet can be better protected, the corrosion resistance and abrasion resistance of the floral patterns in a seawater environment are improved, the service life of the floral patterns is prolonged, and the attractiveness of the floral patterns is improved.

The invention discloses a 420MPa-grade steel strip for a high-corrosion-resistance photovoltaic support based on Ti microalloying and low-aluminum high-magnesium coating synergistic reinforcement and a preparation method of the 420MPa-grade steel strip, and relates to the technical field of metal materials. Aiming at the requirements of a distributed photovoltaic bracket, a microalloy component taking a Ti element as a core is designed, and the microalloy component is matched with a low-aluminum high-magnesium micro-titanium coating system to prepare the 420MPa-grade steel belt for the high-corrosion-resistance photovoltaic bracket, which is based on Ti microalloying and low-aluminum high-magnesium coating synergistic reinforcement and has balanced performance and good corrosion resistance. And meanwhile, controlled rolling and controlled cooling and low-temperature annealing are adopted in the preparation process, so that the problem of poor formability of traditional steel is solved, energy consumption is reduced by utilizing a low-temperature rapid plating process, and the production efficiency is improved. While the alloy cost is reduced, balanced optimization of strength-corrosion resistance-forming-welding performance is achieved, and low cost and greenization of a photovoltaic support material are promoted.

The invention relates to an orthopedic implant surface treatment method based on femtosecond laser. The surface treatment method comprises the following steps: cleaning and drying the surface of the orthopedic implant base material; femtosecond laser treatment is carried out on the surface of the orthopedic implant base material, and regularly arranged microstructures are formed on the surface of the base material; the orthopedic implant base material comprises a metal base material, a biological ceramic base material and a high polymer material base material, the microstructure comprises one or more of a groove, a dot matrix or a grid; and performing plasma spraying of a biological coating on the surface of the orthopedic implant base material subjected to femtosecond laser treatment to finally obtain the surface-modified orthopedic implant. Wherein the biological coating comprises a titanium coating and a hydroxyapatite coating. Compared with the prior art, the bonding force between the plasma spraying biological coating and the orthopedic implant base material is remarkably improved, and the application variety of the orthopedic implant base material is widened.

The invention belongs to the technical field of lithium ion battery materials, and particularly relates to a surface titanium coated and modified lithium nickel manganese oxide positive electrode material, a preparation method and application. The invention discloses a preparation process of lithium nickel manganese oxide positive electrode powder with uniformly distributed nickel and manganese elements, elements are kept uniformly distributed in a solution, and the obtained powder is dispersed by ball milling, so that element segregation in the lithium nickel manganese oxide positive electrode powder is further inhibited; the titanium coating treatment improves the conductivity and ionic conductivity of the lithium nickel manganese oxide powder at the same time, so that the charge-discharge and rate capability of the button battery is improved. The preparation method disclosed by the invention has general applicability and can be applied to positive electrode materials such as lithium nickel manganese oxide and lithium nickel cobalt manganese oxide, so that the conductivity and the ion transmission performance of the positive electrode materials are improved.

The utility model relates to the field of medicament preparation, and discloses a reaction kettle for preparing a medicament for removing a titanium-containing coating, the reaction kettle comprises a preparation reaction kettle, a feeding pipe is fixedly mounted on the top surface of the preparation reaction kettle, a stirring mechanism is arranged in the preparation reaction kettle, and a circular pipeline is fixedly mounted in the preparation reaction kettle. A plurality of inclined mounting pipes are mounted on the outer surface, close to the bottom, of the circular pipeline at equal intervals in an array mode, and first cleaning nozzles are fixedly mounted on the outer surfaces of the inclined mounting pipes correspondingly, the mounting mode of the inclined mounting pipes of the device enables the first cleaning nozzles to be close to the inner wall of the preparation reaction kettle, and the second cleaning nozzles can be close to a stirring shaft; besides, the first cleaning nozzle and the second cleaning nozzle are mounted at a certain angle, so that cleaning liquid can be in better contact with the inner wall of the preparation reaction kettle and the stirring shaft when sprayed out, effective cleaning is realized, adhesion of chemicals is avoided due to the design, the service life of the reaction kettle is prolonged, and the preparation efficiency is improved.

The invention relates to the technical field of super-hard grinding tool manufacturing, in particular to a high-performance diamond grinding wheel and a preparation method thereof. A high-performance diamond grinding wheel comprises a diamond grinding wheel base body, a titanium coating and a WS2-TiSiN coating, the titanium coating and the WS2-TiSiN coating are sequentially arranged on the surface of the diamond grinding wheel base body, and the diamond grinding wheel base body is prepared from, by mass, 65-72 parts of diamond grinding materials, 5-7 parts of modified fibers, 20-24 parts of ceramic binding agents and 3-5 parts of binding agents. The high-performance diamond grinding wheel has the advantages of being compact in organization structure, excellent in heat conductivity and grinding efficiency, high in grinding precision, long in service life, good in mechanical property and good in oxidation resistance. The method is widely applied to titanium alloy grinding machining, and the problems occurring in the titanium alloy grinding process are effectively solved.

According to a first aspect of the present invention there is provided a method of coating a bipolar plate, comprising the steps of: providing a bipolar plate wherein at least an outer layer of the bipolar plate comprises metallic titanium; and performing laser nitridation on the bipolar plate so as to form a titanium nitride coating on the outer surface of the bipolar plate. The inventors have found that laser nitridation of a titanium bipolar plate results in a bipolar plate having a high stability TiN coating which has good conformality, chemical stability and / or high conductivity. Furthermore, the formation of the TiN coating by laser nitriding can be well integrated into a manufacturing process of a bipolar plate, such as a roll-to-plate process including a laser welding step, compared to a deposition method known in the prior art, and has the advantages of high efficiency and simplification. The TiN coating on the bipolar plate can be directly used for an electrochemical reactor or can be used as a substrate of a subsequent coating.

The present invention provides a metal-doped titanium carbide composite material, its preparation method, and application, belonging to the field of electrode material technology. The present invention utilizes physical vapor deposition of a carrier material to form a single-layer carbon-containing titanium coating; electrochemical oxidation and plasma etching are then sequentially performed, and finally, electrodeposition is performed in an electrolyte containing a metal salt to obtain the metal-doped titanium carbide composite material. The metal-doped titanium carbide composite material prepared by the present invention effectively solves the problem of poor selectivity and activity of the two-electron oxygen reduction reaction in impure water conditions.

The application discloses a preparation method of titanium-coated diamond, and belongs to the technical field of diamond surface metallization treatment. The titanium powder is uniformly attached to the surface of diamond particles by means of an organic binder, and titanium-coated diamond with a titanium coating layer is obtained through subsequent heat treatment. First, a solvent, a dispersing agent and an organic binder are prepared into an organic carrier, then diamond powder and titanium powder are mixed and introduced into the organic carrier, and titanium / diamond coating slurry is obtained through high-speed stirring. Then, pre-prepared titanium-coated diamond is obtained through wet film casting, film drying, stripping, grinding and screening, and further sintering at 600-800 DEG C for 1 h to obtain titanium-coated diamond products. The particles obtained by the method are uniformly coated as a whole, the coating layer is complete, and the weight gain can be controlled within 30%-60%. The process flow is simple, the repeatability is good, and the method is suitable for batch preparation.

The invention relates to a method for reducing biological heart valve prosthesis calcification by adopting a titanium-containing coating in combination with ultraviolet irradiation. The invention relates to a method for treating a biological heart valve prosthesis with a titanium-containing coating, in particular a glutaraldehyde-immobilized pericardium, comprising the following steps: a) treating a biological heart valve prosthesis with a titanium-containing coating; and b) irradiating the treated biological heart valve prosthesis with light having a wavelength of 100 to 450 nm. In this way, the biological heart valve prosthesis with the uniform surface can be manufactured through the hypothesized polymer, and therefore the biological heart valve prosthesis with the uniform surface can be manufactured through the hypothesized polymer. Calcification of such a TAVI valve is significantly reduced, the life of the TAVI valve is increased, which increases the time interval at which such a TAVI valve must be replaced over the years.

The application belongs to the field of antibacterial coating, and particularly relates to an antibacterial composite coating and a preparation method and application thereof. The application first adopts an atmospheric plasma spraying technology to prepare a dense titanium coating on the surface of a metal substrate, then adopts a hydrothermal reaction method to convert the titanium coating into a barium titanate coating, and finally uses an in-situ chemical deposition technology to prepare a layer of polypyrrole on the surface of the barium titanate coating to obtain a polypyrrole-coated barium titanate nanostructure antibacterial composite coating. The antibacterial composite coating has high photocatalytic antibacterial effect, can effectively remove organic substances and bacteria, and prevent the organic substances and bacteria from adhering to the surface of equipment.

The utility model discloses an engine oil control valve sleeve with a wear-resistant coating. The engine oil control valve sleeve comprises a valve sleeve body, a valve element and a filtering assembly. A titanium nitride wear-resistant coating is arranged on the inner wall of the valve sleeve, the filter assembly comprises a filter screen sleeve embedded in the valve sleeve in a sliding mode, threaded parts of the inner walls of the two ends of the filter screen sleeve are connected with a filter screen with filter holes distributed from large to small, a blocking seat is arranged on the inner wall of the valve sleeve and abuts against the filter screen sleeve, and a valve cover is arranged at the input end of the filter screen sleeve and is in sliding fit with a sliding seat on the periphery of the valve sleeve through a positioning sliding rod. A top spring and a stop block are arranged in the positioning sliding rod to form a positioning assembly, and a pressing type unlocking assembly is arranged outside the valve sleeve. The valve cover is fixed through bolts and provided with an oil conveying pipe, and a fluororubber sealing ring is arranged between the filter screen sleeve and the blocking seat. Abrasion resistance of the valve sleeve is improved through the titanium nitride coating, efficient filtering is achieved through the grading filter screen, the modular structure facilitates replacement of the filter screen, the sealing ring and the positioning structure ensure that the vibration environment is stable, and durability, filtering efficiency and maintenance convenience of the engine oil control valve are effectively improved.

The application provides a long-acting photocatalyst coating, a manufacturing method and application thereof. The long-acting photocatalyst coating comprises a substrate, an inorganic coating arranged on the surface of the substrate, and a nano-titanium oxide coating arranged on the surface of the inorganic coating. The preparation steps comprise: arranging the inorganic coating on the surface of the substrate; arranging the nano-titanium oxide coating on the surface of the inorganic coating when the inorganic coating is in a wet state; the nano-titanium oxide coating is a water or alcohol dispersion of nano-titanium oxide; the nano-titanium oxide coating is fused with the inorganic coating, dried, and the long-acting photocatalyst coating is obtained. The technical problem to be solved by the application is how to uniformly disperse nano-titanium oxide particles on the surface of an object, so that the long-acting photocatalyst coating has photocatalyst function and is durable and not easy to fall off, thereby being more suitable for practical use.

The utility model provides a spinning crochet hook low-temperature titanium nitride coating spraying jig, and relates to the technical field of spraying jigs, the spinning crochet hook low-temperature titanium nitride coating spraying jig comprises a working table, the working table is placed on the ground to support the whole, a shell is installed on the upper surface of the working table, a placing barrel is installed on the top of the shell, and the placing barrel is connected with the working table. The bottom of the containing barrel is provided with a spray head through a control valve, the spray head is located in the shell, the refrigeration equipment is installed in the shell and can reduce the temperature in the shell, the moving table is slidably connected to the upper surface of the workbench, and a limiting device is installed at the top of the moving table. Wherein the limiting device can limit the spinning crochet hook, the limiting device comprises a motor, the effect of fixing the spinning crochet hook is achieved through the limiting device, and the situation that normal spraying of the spinning crochet hook is affected due to the fact that the spinning crochet hook shakes when the spinning crochet hook rotates for spraying is avoided.

The present invention relates to a method for surface treatment of orthopedic implants based on femtosecond laser. The surface treatment method comprises the following steps: cleaning and drying the surface of the orthopedic implant substrate; performing femtosecond laser treatment on the surface of the orthopedic implant substrate to form regularly arranged microstructures on the substrate surface; wherein, the orthopedic implant substrate comprises a metal substrate, a bioceramic substrate and a polymer material substrate; the microstructures include one or more of grooves, dot matrices or grids; performing plasma spraying of a biological coating on the surface of the orthopedic implant substrate after femtosecond laser treatment to finally obtain a surface-modified orthopedic implant; wherein, the biological coating comprises a titanium coating and a hydroxyapatite coating. Compared with the prior art, the present invention significantly improves the bonding force between the plasma-sprayed biological coating and the orthopedic implant substrate, and broadens the types of applications of the orthopedic implant substrate.

The invention discloses a punch for processing a high-lock bolt driving groove, which comprises a limiting base (1), a purple titanium coating (2), a supporting rod (3), an abutting head (4) and a punch (5), and is characterized in that the limiting base (1) is arranged on the supporting rod (3); the outer surface of the punch (5) is covered with a purple titanium coating (2), the punch (5) and the supporting rod (3) are integrated, the supporting rod (3) and the abutting head (4) are integrated, and the purple titanium coating (2), the supporting rod (3), the abutting head (4) and the punch (5) penetrate into step-shaped holes formed in the limiting base (1). The device is small in abrasion and low in cost.

This invention discloses a steel-titanium composite material containing a niobium-iron interlayer and its preparation method, belonging to the field of metal protective coating technology. The steel-titanium composite material includes a steel substrate, and a niobium-iron interlayer and a titanium coating sequentially laminated on the surface of the steel substrate; the interfaces between the niobium-iron interlayer and the steel substrate surface, and between the niobium-iron interlayer and the titanium coating, are metallurgically bonded; wherein the iron content in the niobium-iron interlayer is 10-45% by mass. The preparation method involves laser cladding a niobium-iron interlayer onto a surface-treated steel substrate, removing impurities from the niobium-iron interlayer surface, and then laser cladding a titanium coating onto the niobium-iron interlayer surface. The steel-titanium composite material obtained by this invention utilizes the formation of a niobium-titanium solid solution between niobium and titanium. This niobium-titanium solid solution can inhibit the formation of Fe-Ti intermetallic compounds, and iron has good solid solubility in the niobium-titanium solid solution, effectively improving the mechanical properties of the composite material.

The invention discloses an electrode material and a preparation method thereof, the preparation method comprises: providing initial carbon matrix powder, the initial carbon matrix powder comprising initial carbon matrix particles, the initial carbon matrix particles having a porous structure; silicon embedding treatment is conducted on the initial carbon matrix powder, carbon-silicon composite powder is obtained, the carbon-silicon composite powder comprises a plurality of carbon-silicon composite particles, and the carbon-silicon composite particles comprise the initial carbon matrix particles with nanometer silicon; the carbon-silicon composite powder is subjected to titanium coating treatment, the electrode material is obtained, the electrode material comprises a plurality of electrode material particles, and each electrode material particle comprises a carbon-silicon composite particle and a TiSi2 protection shell coating the carbon-silicon composite particle. The invention also discloses an electrode, a preparation method thereof and a lithium ion battery.

The invention provides an IC soaking sheet surface micro-texture forming method and device, and relates to the field of electronic equipment manufacturing. According to the method, aluminum alloy is put into a stamping die to be subjected to stamping forming, and a workpiece with a micro-texture on one face is obtained; the workpiece is transferred to a PVD cavity, vacuumizing is conducted, inert gas is introduced, a sputtering power source is turned on, and a titanium oxide coating and a PTFE-silicon dioxide coating are sequentially sputtered and deposited on the face, with the microstructure, of the workpiece; and turning off a sputtering power supply, and blanking to obtain the IC soaking sheet. Wherein the aluminum alloy comprises the following components in percentage by weight: 2%-3% of Si, 0.2%-0.4% of Cu, 0.05%-0.1% of Ti, 0.1%-0.5% of B, 0.03%-0.08% of Sc, 0.02%-0.05% of Sr, less than 0.1% of inevitable impurities and the balance of aluminum. The prepared IC soaking sheet is good in heat conduction performance, heat transfer can be accelerated, the heat dissipation effect is enhanced, the bonding force between the sputtering functional coating and the aluminum alloy workpiece is high, and stability is good.

A positive electrode active material includes: a lithium nickel-based oxide having a Ni content of about 60 mol % to 80 mol % among total metals excluding lithium; and a coating layer containing Ti and formed on a surface of the lithium nickel-based oxide. The lithium nickel-based oxide is of a single-particle-type including 50 or fewer nodules and has a thermal stability index (TSI) of about 42.5 or less as represented by Equation 1 according to the present disclosure. In Equation 1, the TSI is represented by “HFA×MPH / (T1−150),” and HFA, MPH, and Tl are values measured from a differential scanning calorimetry (DSC) analysis graph obtained by heating a lithium secondary battery fabricated using the positive electrode active material from 25° C. to 400° C. at a heating rate of 10° C. / min.

The application discloses a kind of corrosion-resistant alloy steel van body and preparation method, belong to van body technical field, first by to van body blank is carried out normalizing, quenching, tempering treatment after obtaining van body semi-finished product, again to van body semi-finished product is sequentially using picosecond laser and nanometer laser and is etched, after anodic oxidation treatment form porous and uniform oxide layer, by laser cladding method uniform vanadium carbide, titanium carbide coating is formed on surface, the porous structure of oxide film can improve the adhesion of subsequent coating, form oxide film plus coating composite protection system, increase the corrosion resistance of corrosion-resistant alloy steel van body, prolong the service life of corrosion-resistant alloy steel van body in slurry pump.

A wound-rotor electrical machine (100, Fig. 1) bearing 700A (also 130, Fig.1 and 230, Fig. 8) comprising electrically conductive rotor 320 and stator 310 parts, which act as terminals or plates of a capacitor, separated by a dielectric or an electrolyte. Each part has a connection which provides current, perhaps from an AC supply (250, Fig. 8), to the rotor through the capacitive bearing (230, Fig. 8). The bearing may include rotatable elements 330 such as balls or rollers in an axially central region (350, Fig. 4B), alongside distal regions (360, Fig. 4B). The central region may contain lubricant and be sealed (375, Fig. 4B) from the distal regions which contain electrolyte, or lubricant may be shared between regions (Fig. 4C). The rolling elements may: have a coating of a lubricant; be electrically insulating or have an insulating coating. The electrolyte may form a double layer supercapacitor (Fig. 5, 620 Fig. 6). The rotor and stator parts may have opposing surfaces 315, 325, of equal or unequal (Fig. 7B) areas. The surfaces may have: interlocking protrusions 317, 327; a non-corrosive coating, perhaps of titanium. The rotor may have a rectifier (240, Fig. 8) and permanent magnets (290, Fig. 9).

An antibacterial implantable medical device or medical material. The surface of an implantable medical device or medical material has a titanium coating formed thereon. Titanium nitride nanowires are formed that extend from the titanium coating at a selected angle to exert a mechanical force on bacteria bilayer membranes sufficient to at least partially disrupt the bacteria bilayer membranes. In one aspect, the titanium nitride nanowires are formed from grown titanium dioxide nanowires by converting the titanium dioxide nanowires to titanium nitride in a heated nitrogen-containing environment. The titanium nitride nanowires are optionally charged to further enhance antibacterial properties.

The invention discloses a preparation method of acid and alkali resistant regenerated yarns, and relates to the technical field of textile fibers. According to the method, sodium sulfamate is used for dissolving waste cotton fibers under the shearing action, then phosphoric acid is added, cellulose is dissociated uniformly under the shearing force, the regeneration effect is achieved, then silicon dioxide sol, silicon carbide whiskers and regenerated cellulose are subjected to blending modification, secondary drafting is conducted in the spinning process, and the regenerated cellulose is obtained. The fibers are shrunk under the condition of internal acting force to form a compact structure, so that the acid and alkali resistance and mechanical properties of the fibers are enhanced, and finally, a complex is formed by sodium citrate and titanium ions, so that a metal titanium coating with relatively good binding force and compactness is formed on the rough surfaces of the fibers, and the corrosion resistance of the fibers is improved. The acid and alkali resistance and the mechanical property of the fiber are further improved.

The present invention belongs to the field of coating technology, and in particular, it is a device for preparing a low-temperature titanium nitride coating for textile crochet hooks. Aiming at the problems that in the process of putting in and taking out the existing placement racks, most of them require manual intervention or handling, and the contact surface between the crochet hooks and the placement racks cannot be evenly coated, the following solutions are proposed. It includes a device main body. A rotating disk is rotatably connected to the bottom inner wall of the device main body. A placement rack is placed on the top of the rotating disk. A plurality of crochet hook bodies are placed in the placement rack. The placement rack includes a chassis and fixed columns fixed thereon. A fixed disk is fixedly welded to the top of the fixed columns. In the present invention, the placement rack can be automatically put in and taken out, greatly saving manpower. And during the coating process, the crochet hook bodies can be driven to move up and down while revolving, and when moving up and down, the crochet hook bodies are driven to rotate by a rotating table, so that the crochet hook bodies can be evenly coated in all directions and without dead angles.

A low-cost preparation method for a planar high-thermal-conductivity graphite film reinforced metal-based composite material relates to a preparation method for a metal-based composite material. The purpose is to solve the problems of weak interfacial bonding and low thermal conductivity of the graphite film reinforced metal-based composite material. Method: Graphite film and metal film are taken, TiH2 powder is coated on both surfaces of the graphite film to obtain a titanium-coated graphite film multi-scale reinforcement, which is alternately stacked with the metal film in a graphite mold for pressure infiltration. The present invention uses microwave heating technology to in-situ grow a titanium coating on the surface of the graphite film. The titanium coating overlaps with the reinforcement and the matrix to form a three-dimensional heat conduction path, thereby improving the thermal conductivity of the composite material; the obtained composite material can be used to prepare heat dissipation for heat dissipation systems such as active digital control radars and hypersonic aircraft. The process is simple, low-cost, easy to operate, and can achieve the preparation of large-area high-thermal-conductivity composite materials, meeting the requirements of industrial production and application.

The invention relates to a method for recycling iridium metal on the surface of an anode plate, and belongs to the technical field of precious metal recycling. According to the method, the titanium coating in the anode plate is treated in an ultrasonic assistance and stripping agent solution synergistic treatment mode, the coating of the anode plate can be efficiently and selectively stripped, and preliminary enrichment of iridium in a material is achieved; and an iridium metal trapping agent with a core-shell structure, a slag former, a stabilizer and a precursor material are mixed, refined and purified, and the high iridium recovery rate is ensured.