404 results about "Titanium plate" patented technology

The invention relates to the technical field of nondestructive testing, and particularly discloses an automatic detection system and method based on a titanium plate welding part, and the method comprises the steps: obtaining an original physical field signal of a to-be-detected part under the excitation of a single energy field, and extracting a space energy attenuation gradient and time phase lag distribution through wavelet packet decomposition and Hilbert transform; constructing a dynamic propagation model for describing a signal propagation path evolution rule, and performing space-time registration and vector difference calculation with a preset ideal reference model to generate a difference evolution graph; high-dimensional topological feature mapping, density clustering and multi-scale persistence analysis are carried out on the atlas, and a stable abnormal mode caused by defects is identified and confirmed; and backtracking a dynamic evolution path of an abnormal mode, extracting defect core parameters, and completing three-dimensional positioning, type classification and security level evaluation in combination with process information.

The invention provides a titanium plate performance analysis method and system, and relates to the technical field of metal material detection.The method comprises the steps that an optical scanner is adopted to establish a three-dimensional structure on the surface of a titanium plate, and test areas are divided; synchronously acquiring stress, hardness and conductivity data of a test point by using a multi-probe collaborative detection device; constructing a dual-branch feature extraction network, wherein the dual-branch feature extraction network comprises a surface topography feature branch and a physical feature branch; performing statistical integration on the features in the test area, calculating distribution features and determining a weight coefficient; and generating a performance analysis result through feature fusion and a multi-task output layer, and finally determining the performance grade of the titanium plate. According to the method, deep fusion of morphology information and physical characteristics is realized, and the accuracy and reliability of titanium plate performance evaluation are improved.

The invention discloses a preparation method of an ultra-thin copper foil with a carrier, and belongs to the technical field of copper foil manufacturing. The method comprises the steps that S1, a titanium plate is adopted as a cathode, an iridium-plated titanium plate is adopted as an anode, the washed titanium plate is immersed in a copper electroplating solution at the temperature of 30-70 DEG C, and after electro-deposition is conducted, a carrier copper foil is prepared; s2, immersing the carrier copper foil prepared in the step S1 into an organic solution containing ionic liquid for adsorption to obtain a carrier copper foil with a stripping layer; and S3, taking the carrier copper foil with the stripping layer prepared in the step S2 as a cathode, carrying out water washing treatment, then immersing the carrier copper foil into another copper electroplating solution at the temperature of 30-70 DEG C, and carrying out electro-deposition by taking an iridium-plated titanium plate as an anode, so as to prepare the ultra-thin copper foil. The ultrathin and uniform single organic stripping layer is prepared in an organic adsorption mode, the method is simple in preparation process, and the stripping layer enables the ultrathin copper foil to be stably and completely stripped from the carrier copper foil by regulating and controlling the binding force between the carrier copper foil and the ultrathin copper foil.

The invention discloses an ultra-thin titanium plate electric auxiliary tension and compression cyclic loading device and a test method, the device comprises two outer side samples used in cooperation with an ultra-thin titanium plate sample, the two outer side samples are fixed on the two sides of the ultra-thin titanium plate sample, the two outer side samples and the ultra-thin titanium plate sample form a composite tension and compression sample, the ends of the ultra-thin titanium plate sample extend out of the ends of the outer side samples, and the outer side samples are fixed on the two sides of the ultra-thin titanium plate sample. The two sides of the composite tension and compression sample are fixed through the clamping assemblies and then are applied with lateral force; the two pairs of electric auxiliary clamps are clamped at the two ends of the composite tension and compression sample respectively, each pair of electric auxiliary clamps comprises two oppositely-arranged chucks, the clamping faces of the chucks are provided with conductive structures, the conductive structures are connected with an external power source, and when the composite tension and compression sample is clamped on the chucks, the conductive structures make contact with the composite tension and compression sample. The chuck is connected with the loading end part of the universal testing machine, and the ultrathin titanium plate sample can be prevented from being distorted and deformed in the testing process.

The invention provides a preparation method of a porous copper foil with a regular polygonal hole array, which comprises the following steps of: grinding and polishing a titanium plate until the titanium plate is matte, punching holes with the regular polygonal hole array in the titanium plate by laser, finely trimming vertex angles of the regular polygonal holes by laser, and polishing and grinding the titanium plate to obtain the porous copper foil with the regular polygonal hole array. The method comprises the following steps: preparing a titanium plate, cleaning with pure water and alcohol to obtain a clean titanium plate, preparing a copper sulfate electrolyte, adding a proper amount of a brightener, a wetting agent and a high resistance agent into the electrolyte, mixing, pouring the mixed solution into an electrolytic bath, putting the clean titanium plate and a carbon plate into the electrolytic bath, and carrying out electrolytic foil generation by taking the titanium plate as a cathode and the carbon plate as an anode; and after foil generation is finished, the copper foil is stripped from the surface of the titanium plate, and the porous copper foil with the regular polygon holes is obtained. According to the method, the holes of the titanium plate are the regular polygon holes, and the vertex angles of the regular polygon holes are finely trimmed, so that the copper foil of the electrolytic raw foil is not easy to adhere to the titanium plate during stripping, and the production yield of the copper foil is further improved.

The invention relates to the technical field of titanium-steel composite plates, and particularly discloses a high-thermal-conductivity titanium-steel cold-rolled composite plate and a preparation method thereof.The preparation method comprises the steps that plasma etching treatment is conducted on a titanium plate, a TiB2-graphene heat conduction layer is arranged on the etched surface in a laser cladding mode, and an aluminum oxide whisker layer is deposited on a stainless steel plate through plasma electrolysis; the preparation method comprises the following steps: spraying nano-copper slurry on the surface of aluminum oxide whiskers, curing, carrying out composite rolling on a modified titanium plate and a stainless steel plate, and carrying out annealing and tempering treatment after rolling to obtain the high-thermal-conductivity titanium steel cold-rolled composite plate.

The invention discloses a preparation method and application of a nickel-doped lead dioxide ozone catalytic anode, a titanium substrate is used as an anode, a titanium sheet is used as a cathode for anodic oxidation, an obtained titanium dioxide nanotube array is used as an anode, a titanium sheet is used as a cathode for secondary anodic oxidation, and the nickel-doped lead dioxide ozone catalytic anode is obtained. And putting the obtained titanium dioxide nanotube array electrode of the new oxide layer into a tubular furnace, calcining in an air atmosphere, taking the titanium dioxide nanotube array electrode of the transition layer as a cathode, taking a titanium plate as an anode, and performing electrochemical reduction in a formic acid solution to obtain the titanium dioxide nanotube array electrode of the transition layer. The obtained electrode with the high-conductivity titanium dioxide nanotube array transition layer serves as an anode, a titanium sheet serves as a cathode, electrodeposition is carried out in an acid electrodeposition solution to obtain a beta-PbO2 layer, and finally the Ti / TNAs / Ni-PbO2 anode is prepared, the anode is high in stability and long in service life and can work for a long time without affecting the catalytic activity of the anode, and the application range of the Ti / TNAs / Ni-PbO2 anode is wide. The method has a certain application prospect in the aspect of electro-catalytic ozone treatment of organic wastewater.

The present invention relates to a tapered stack absorber capable of perfect light absorption in the spectral range of 0.5 [mu] m to 10 [mu] m. The structure is formed by periodically arranging conical unit structures in the horizontal direction, the bottommost layer of each unit structure is a square titanium (Ti) plate with the thickness of d and the width of p, and the square titanium (Ti) plate is used for preventing transmission of electromagnetic waves. On the basis of a Ti plate, 18 TiN / VO2 disc composite layers are stacked from bottom to top, the radius size is decreased by delta t every time, the radius of the bottom composite layer is D1, and the radius of the top composite layer is D2. The upper layer of the composite layer is a TiN layer with the height of h, and the lower layer of the composite layer is a VO2 layer with the height of h. The structure can realize perfect absorption from visible light to a middle infrared band (0.5-10 [mu] m).

The invention aims at disclosing a forming process and a hot rolling device of a high-thermal-conductivity titanium-aluminum composite plate, and relates to the technical field of titanium-aluminum composites.The forming process comprises the following steps that S1, laser texturing is conducted on the surface of a TC4 alloy titanium plate so as to remove an oxide layer on the surface of the TC4 alloy titanium plate, and the roughness of the surface of the TC4 alloy titanium plate is textured to Ra2.0 micrometers to Ra3.0 micrometers through laser; s2, the TC4 alloy titanium plate and the high-strength aluminum plate are prepared into a composite plate through a hot rolling composite technology, and the titanium face of the composite plate faces the ground; s3, the hot-rolled composite plate passes through a guide roller in an upward inclined mode and then is discharged in an inclined downward mode; s4, the discharged composite plate is cut into a plurality of plates with the same size according to the set size, and the plates are arched; the method has the beneficial effects that oxides on the surface of the TC4 alloy titanium plate are removed through laser texturing, new titanium alloy is exposed, metal bonding and mechanical meshing of a titanium-aluminum interface are remarkably enhanced, and the heat conduction performance and bonding strength of the composite plate are fundamentally improved.

The invention belongs to the technical field of special alloy hot rolling, and particularly relates to a refined subsection cooling method and device for a titanium plate hot mill roller. Comprising the steps that S1, a temperature field distribution function of a roller during rolling and a temperature field distribution function of the surface of the roller during cooling are obtained; s2, a heat exchange coefficient distribution function of the heat exchange coefficient required by the roller in the axial direction of the roller is obtained; s3, a distribution function of the cooling water flow in the axial direction of the roller is obtained; s4, according to the distribution function of the cooling water flow in the axial direction of the roller, the roller is divided into a plurality of cooling sections in the axial direction of the roller, and different cooling sections correspond to different cooling water flow difference threshold values; and S5, a non-contact temperature sensor is arranged at the center position of each cooling section, an independent roller cooling mechanism is configured for each cooling section, and the flow of cooling water is adjusted. Independent cooling control over different cooling sections of the roller is achieved, and the plate shape quality of a titanium plate is improved.

The invention discloses a preparation method of a novel mixed metal oxide coating titanium electrode, and relates to the technical field of electrode preparation, the method comprises the following specific steps: titanium substrate pretreatment: a titanium plate is sequentially subjected to gradient polishing with 120-800-mesh abrasive paper, the polished titanium substrate is subjected to hydrochloric acid solution etching, argon plasma surface activation and drying treatment, and a titanium substrate is obtained; obtaining a clean substrate surface with proper roughness; through the low-temperature plasma treatment, pulsed bias magnetron sputtering and laser-induced atomic layer deposition (LA-ALD) combined technology, the binding force of the coating and the titanium substrate is remarkably improved, high-energy particles are used for bombarding the surface of the titanium substrate in the low-temperature plasma treatment, residual impurities are effectively removed, the surface roughness and active sites are increased, and the surface hardness of the titanium substrate is improved. In the pulsed bias magnetron sputtering process, the surface of the substrate is further cleaned through periodic ion bombardment, atomic diffusion and mixing between the coating and the substrate are promoted, a transition layer structure is formed, and therefore the binding force is greatly enhanced.

The invention relates to the technical field of intelligent manufacturing and supply chain management, in particular to an intelligent management system for titanium plate inventory and production plan collaboration. Comprises: a multi-source data fusion center for a supply chain management system to obtain operation data and generate a collaborative situation original data set; the situation quantitative analysis unit is used for receiving the collaborative situation original data set and generating a market agility demand score and an inventory liquidity current situation score; the collaborative conflict evaluation unit is used for calculating a collaborative conflict index and determining a collaborative conflict situation level; the evolution trend prediction unit is used for generating an evolution sequence of future collaborative conflict indexes; and a dynamic decision management unit for generating an immediate conversion policy in response to the collaborative conflict context level and generating a predictive inventory structure pre-configuration decision. According to the method, the accuracy and objectivity of decision making are remarkably improved, and enterprises can deeply insight into operation core contradictions.

The invention discloses an anode porous transmission layer for PEM water electrolysis hydrogen production and a preparation method of the anode porous transmission layer. The preparation method comprises the steps that firstly, a porous titanium plate and a titanium mesh are washed and dried after being subjected to acid pickling; secondly, absolute ethyl alcohol, polyvinyl butyral and titanium powder are evenly mixed to be prepared into slurry, and the slurry is sprayed to the two sides of the dried titanium mesh; and 3, stacking the porous titanium plate and the titanium mesh sprayed with the slurry, and forming metallurgical bonding through vacuum diffusion welding to obtain the anode porous transmission layer. The porous titanium plate and the titanium mesh are metallurgically bonded to prepare the anode porous transmission layer, the platinum plating amount is effectively reduced and the catalyst utilization rate is improved by regulating and controlling the thickness and the pore structure of the porous titanium plate and the plate-mesh stacking mode, and the gas-liquid transmission efficiency of the anode porous transmission layer is improved; and the anode porous transmission layer with strong mechanical support and high gas-liquid transmission efficiency is obtained, is suitable for PEM water electrolysis hydrogen production, and meets the development requirements of high efficiency and low cost of hydrogen production through renewable energy source and PEM water electrolysis coupling.

The invention provides a preparation method of 7N ultrahigh-purity copper, which comprises the following steps: taking 4N copper as an anode, placing the anode in a diaphragm bag, taking a first titanium plate as a cathode, taking a copper nitrate solution as an electrolyte, and carrying out pre-electrolysis; and after the pre-electrolysis is finished, a second titanium plate serves as a cathode, electrolyte circulating electrolysis is conducted, the section of the second titanium plate is in a trapezoid shape, the long edge of the trapezoid is close to the bottom of the electrolytic bath, and the 7N ultra-high-purity copper is obtained after electrolysis is finished. According to the preparation method provided by the invention, the overall purity of the electrolytic copper product obtained at the cathode can reach 7N or above, the purity and the component uniformity of the ultra-high-purity copper product are improved, and the problems of non-uniform copper purity and low yield caused by the fact that the purity of copper close to the bottom of an electrolytic bath in an existing electrolysis method does not reach the standard are solved; the yield of ultra-high pure copper products is improved to 100%, the material utilization rate and the production capacity are improved, and the product cost is reduced.

The invention discloses a preparation method of a titanium-steel composite plate and the titanium-steel composite plate, and belongs to the technical field of metal composite material preparation. The preparation method of the titanium-steel composite plate comprises the following steps: (1) carrying out titanizing treatment on the surface of a pretreated steel substrate to form a titanizing layer, so as to obtain a titanized steel substrate; (2) laminating the titanized steel substrate and the pure titanium plate, pre-pressing, and sequentially carrying out double-pass composite rolling and heat treatment to obtain a titanium steel composite plate; wherein asynchronous isothermal rolling is adopted for the first pass of double-pass composite rolling, and isothermal symmetric rolling is adopted for the second pass of double-pass composite rolling. The preparation method is simple, efficient and low in cost, a uniform and compact titanium layer is formed on the surface of the steel substrate through titanizing treatment, the binding force between the pure titanium plate and the steel substrate is enhanced, and generation of harmful metal compounds is avoided. Meanwhile, the composite rolling technology combining asynchronous isothermal rolling and isothermal symmetric rolling is adopted, and the internal organization structure and performance of the titanium steel composite plate are effectively improved by regulating and controlling rolling parameters.

The invention discloses a digital guide plate for oral cavity tumor excision and contemporaneous bone implantation and a preparation method, the digital guide plate comprises a tumor excision indication guide plate, an autogenous bone osteotomy indication guide plate, an implantation indication guide plate, an implantation reduction guide plate and an autogenous bone reduction guide plate, and the preparation method comprises the following steps: constructing a virtual model and determining a tumor excision range; oral implantation planning is conducted, the position and range of a reconstructed titanium plate are determined, a digital guide plate is printed in a 3D mode, and a temporary abutment is connected to an implantation reduction guide plate through model operation training. By applying the digital guide plate, tumor resection, autogenous bone resection, autogenous bone reduction and precise implant implantation can be achieved in the same operation process. The digitized guide plate is used for guiding the implant to be implanted, the position of the implant is used as a reference, autogenous bone reduction can be accurately guided, and the precision of implant repair can be remarkably improved. The technical problems that in the prior art, the implant position is judged according to experience of doctors, and the autogenous bone reduction precision is not ideal can be solved.

The invention relates to the technical field of oral and maxillofacial surgery, and discloses an arc-shaped retractor for maxillofacial bone defect repair, which comprises a defective bone fixing assembly, the defective bone fixing assembly comprises two first titanium plates, the outer surfaces of the first titanium plates are integrally connected with first convex columns internally provided with screw holes, one ends of the first convex columns are connected with support plates through first medical screws, and the other ends of the first convex columns are connected with second convex columns through second medical screws; a plurality of rotating holes are formed in the outer surface of the support plate at equal intervals, rotating pins are rotationally connected into three of the rotating holes, and second medical screws are connected into the rotating pins in a threaded mode. The first titanium plate provides a reliable anchoring foundation for traction by means of biocompatibility and mechanical strength of titanium alloy, and the first convex column provides a supporting point for the traction assembly; a steel wire caulking groove and a limiting stop block ensure that the traction wire is stable and safe, and traction force is uniformly transmitted; the whole structure achieves accurate and controllable arc-shaped distraction osteogenesis, and the repair speed of the defective maxillofacial bone is increased.

The invention relates to the technical field of titanium plate machining, and discloses an annealed titanium plate surface impurity cleaning device which comprises a conveying frame, a liquid storage tank is arranged below the conveying frame, and an upper cleaning assembly and a lower cleaning assembly are arranged above and below the conveying frame correspondingly; through the arrangement of the upper cleaning assembly and the lower cleaning assembly, when a plate conveyed by the conveying frame passes through and enters a cleaning area, the top, the bottom and the periphery of the surface of the plate are comprehensively cleaned under the cooperation of an upper spray head, a lower spray head and a side spray groove, so that the phenomenon that when the surface of a conventional annealed titanium plate is cleaned, the cleaning efficiency is high is avoided. The problems that in the prior art, the top and the bottom, with the large surface area, of an annealed titanium plate are generally cleaned, the vertical impact force of water flow on impurities on the side face of the plate is almost zero, and the impurities such as oxide skin and stubborn oil stains tightly attached to the surface of the titanium plate are difficult to remove from the surface of the titanium plate are solved.

A plate for fixating bone, the plate comprising: a plurality of ribs defining a plurality of openings, wherein a first portion of the plurality of ribs define a lattice structure and a second portion of the plurality of ribs define at least four mounting holes. Another aspect of the present disclosure relates to a method for tailoring a plate for fixating bone. The method can include determining an initial design of the plate. The method can include analyzing radiation through the initial design. The method can include determining, based on analyzed radiation, if dosimetric characteristics are desirable. The method can include analyzing structural strength of the initial design. The method can include determining, based on the analyzed structural strength, if structural strength is sufficient.

The invention discloses a titanium-steel composite plate structure for ocean engineering and a preparation method of the titanium-steel composite plate structure, and belongs to the technical field of ocean engineering materials.The composite plate comprises a titanium plate, a steel sheet and a gradient functional layer arranged between the titanium plate and the steel sheet, and the gradient functional layer is composed of a titanium side MOF enrichment layer, a component gradual change transition layer and a steel side enhancement layer; the surface of a titanium plate is subjected to nanoscale rough oxidation treatment, a nano-pillar array structure is constructed on the surface of a steel sheet, high-strength combination of a heterogeneous metal interface and collaborative improvement of marine corrosion resistance are achieved, and a gradient coating technology of electrostatic spraying, aerosol spraying and slit coating is adopted in the preparation process; and the titanium-steel composite plate for ocean engineering is prepared by matching vacuum hot-pressing bonding and cooling technologies.

The utility model discloses a purification treatment device for cleaning wastewater after pickling of a hot-rolled titanium plate. The purification treatment device comprises a settling pond, a pipeline, a neutralizing mechanism and a filtering mechanism, a water inlet pipe and a second drainage pipe are arranged on the filtering mechanism, the water inlet pipe is used for wastewater transmission and drainage, the second drainage pipe is connected with the neutralization mechanism, and the pipeline is arranged between and connected with the neutralization mechanism and the sedimentation tank. According to the filtering mechanism, the filtering plates can be alternately used and replaced in time, so that the normal operation of the filtering process is ensured, and the normal operation of the subsequent treatment process is further ensured; meanwhile, a roller and a neutralizing tank are arranged in the neutralizing mechanism, a neutralizing agent in the roller is firstly mixed, and then neutralized wastewater in the roller is stirred and neutralized with wastewater in the neutralizing tank by taking neutralized wastewater in the roller as a source of the neutralizing agent; a conventional mixing mode that a neutralizing agent is added from the top of the tank and stirred in a point breaking mode is changed into a mode that neutralizing wastewater in the roller in the neutralizing tank and wastewater outside the roller are stirred and mixed in a face breaking mode, and the mixing and stirring efficiency is greatly improved.

The invention provides a production method for preventing longitudinal stripes on the surface of a titanium-steel composite plate, and relates to the field of titanium-steel composite plate manufacturing, which comprises the following steps: S1, raw material preparation: the sizes of a titanium middle plate and a steel billet are determined, the width of the titanium middle plate is equal to the width of a finished product + 50mm, the width of the steel billet is equal to the width of the titanium middle plate + the broadening amount + the width of a frame * 2, the broadening amount y is equal to 8.83 * ln (x)-4.4, and x is a compression ratio greater than or equal to 5; s2, the single face of the titanium middle plate is coated with an isolating agent with the particle size smaller than or equal to 10 micrometers; s3, assembling: reserving a broadening space between the titanium middle plate and the frame, welding a positioning block to fix the titanium plate, and vacuumizing to be less than or equal to 1 * 10Pa; s4, heating to 850 to 950 DEG C; s5, during rolling, accumulative deformation is smaller than or equal to 30%, the front single-pass deformation is smaller than or equal to 15%, and side pressure is not applied in the whole process; and S6, board splitting and cutting. By reserving the broadening space and controlling the initial deformation amount, longitudinal stripes are prevented from being formed by frame extrusion when the titanium plate extends, the milling process is omitted, the surface quality and the yield are improved, and the problem that longitudinal stripes are formed on the surface of the titanium plate due to frame extrusion caused by deformation difference of titanium steel during assembly rolling can be solved.

This invention provides an automatic rolling method for titanium plates suitable for hot rolling mills, comprising: S1, starting the system; S2, zeroing the mill; S3, setting rolling parameters according to the incoming plate material; S4, performing reversible rolling; S5, automatically detecting the thickness of the rolled plate to obtain the actual plate thickness A; S6, rolling the plate with a small reduction amount according to the actual plate thickness A and the target plate thickness B until the rolling target requirement is met; S7, slitting and blanking. This invention, on the one hand, enables more precise correction and adjustment of plate thickness, improving the accuracy of titanium plate thickness control, and also helps to improve the plate thickness correction efficiency and plate production efficiency. On the other hand, it enables automatic and accurate adjustment of the reduction amount according to the actual plate thickness, which helps to improve the automation level of the hot rolling mill, making the quality of the finished plate more stable and helping to maintain the consistency and continuity of good product quality.

The present invention discloses an auxiliary evaluation method and device for a damaged mandible, comprising an image acquisition module for acquiring CT images of the damaged mandible; a mandibular fracture model construction module for constructing a mandibular fracture model based on the CT images; a numerical analysis model construction module for constructing a numerical analysis model based on the mandibular fracture model; a mathematical model construction module for the damaged mandible for constructing a mathematical model of the fixed position and angle of the titanium plate after mandibular fracture repair based on the numerical analysis model; and an evaluation module for evaluating the quality of mandibular fracture repair based on the mathematical model. The present invention can quickly construct a model of a damaged mandibular fracture, and the constructed evaluation model is accurate. The obtained titanium plate is installed in a reasonable and reliable position and angle on the mandible, avoiding stress concentration and secondary human damage after installation.

The objective of the present disclosure is to provide a titanium plate with excellent shapeability, by virtue of which a greater amount of lower-purity scrap can be used, thus increasing the recycling rate. A titanium plate according to an aspect of the present disclosure has a plurality of protrusions formed on each of a pair of surfaces that oppose each other in the thickness direction, the plurality of protrusions having a maximum height Rz between 5 μm and 50 um inclusive and a maximum length in a plan view between 100 μm and 1000 μm inclusive, with a pitch of 1 mm or less between adjacent protrusions on each of the surfaces.

The present invention provides a titanium alloy anode plate and a preparation method thereof, belonging to the technical field of anode plates. Ti powder and Mn powder are mixed, ball-milled, and subjected to plasma spheroidization treatment to obtain spherical TiMn alloy powder, which is flame-sprayed on the surface of a titanium plate, followed by gradient manganese infiltration. After surface treatment, copper nanowire-deposited graphene@spherical TiMn alloy powder is evenly sprayed, dried, and a titanium alloy anode plate is prepared. The titanium alloy anode plate prepared by the present invention can be used in the production of electrolytic manganese dioxide, has anti-passivation performance, and under a current density of 100 A / m<supgt;2< / supgt> and normal industrial electrolysis conditions, the cell voltage can be stably within 2.3 - 2.4 volts. The product adheres well to the anode, without cracking or detachment phenomena, overcoming the defects of existing industrial anodes, and is an ideal anode for electrolytic manganese dioxide.

The present invention relates to the technical field related to titanium plate processing, specifically a hot rolling method capable of controlling the thickness accuracy of titanium plates, comprising the following steps: Step 1, first loading the titanium slab to be hot-rolled into a roller furnace for heating and heat preservation; Step 2, after reaching the temperature, taking the slab out of the furnace; Step 3, the roller conveys the heated titanium slab to a four-roll reversible hot rolling mill for reciprocating hot rolling and thinning; Step 4, when the titanium plate is rolled to a thickness close to that of the finished product, starting the variable speed rolling mode and dynamically adjusting the rolling force during the rolling process. The present invention creatively introduces variable rolling speed and variable rolling force control in the rolling process, achieving dynamic adjustment and compensation over the entire length of the titanium plate. This solves the technical problem of large deformation resistance and difficulty in deformation caused by excessively rapid temperature drop at the end, resulting in large rolling thickness difference.

The invention relates to the technical field of preparation of multi-layer metal composite boards, in particular to a preparation method and application of a multi-layer metal composite board, which comprises the following steps: S1, material selection and edge cutting: selecting two layers of food-grade stainless steel boards and a layer of titanium board or aluminum board, cutting according to the required size after selection, and knurling one by one after cutting; s2, surface treatment; s3, modification treatment is conducted, specifically, the cleaned stainless steel plate is subjected to surface modification treatment, the components and the antibacterial effect of the surface of the stainless steel plate are changed, the surface modified stainless steel plate is obtained, and the surface modification treatment is surface nanocrystallization treatment; s4, stacking and assembling are conducted; s5, hot rolling compounding; s6, diffusion annealing; and S7, precise cold rolling. The antibacterial performance and the self-cleaning capability can be improved, and the uniformity and the stability of the material are improved; and high-precision forming and performance adjustment can be conducted on the material, the advantages of the material can be fully played, and a high-quality metal composite plate product is obtained.

The application discloses a design method of an integrated titanium plate assembly for assisting midfacial suture distraction external support traction, comprising the following steps: scanning a target object by a medical scanning device to obtain a three-dimensional model of the internal structure and tissue of the target object, wherein the three-dimensional model at least comprises independently displayable bone structure and dental tissue; performing bone analysis on the bone structure of the target object based on the three-dimensional model to obtain the weak point of the bone structure; obtaining the tooth root position of the dental tissue of the target object based on the three-dimensional model; selecting the shape and size of an integrated titanium plate assembly model based on the bone analysis result, and determining the fixed hole position of the integrated titanium plate assembly model based on the tooth root position; and generating an integrated titanium plate assembly three-dimensional model based on the shape, size and fixed hole position of the integrated titanium plate assembly model. According to the individual differences of patients, the integrated titanium plate assembly for assisting midfacial suture distraction external support traction is designed to be more suitable for patients, and the postoperative traction effect is improved.

The application relates to an improved method for the crystallizer cover plate of an electron beam cold bed smelting furnace, which measures the length of the crystallizer (without an overflow port), the thickness of the cover plate, selects a titanium plate with the same length as the crystallizer, the same thickness as the cover plate and a suitable width, and replaces part of the steel cover plate. In order to solve the connection problem between the titanium plate and the steel cover plate, a plurality of small-sized titanium plates are first bolted to the cover plate, and then the plurality of small-sized titanium plates are welded to the titanium plate replacing part of the steel cover plate, so that a part-titanium cover plate is formed. The application is simple to operate, easy to realize, and can solve the problem that hot spots hit the cover plate during the edge scanning process, so that the molten steel flows into the crystallizer.