167 results about "Titanium metal" patented technology

The invention provides an oblique coil electromagnetic classificator for separating weak magnetic impurities from strong magnetic concentrate, which comprises a separation cylinder, an ore feeding device and a flushing device, an ore feeding pipe of the ore feeding device extends into the separation cylinder from the top end of the separation cylinder, the flushing device is arranged below the ore feeding pipe, and an oblique coil is arranged on the outer side of the separation cylinder, so that the weak magnetic impurities can be separated from the strong magnetic concentrate. Magnetic lines of force are obliquely distributed, magnetic linkages formed by magnetic particles are oblique, the whole magnetic linkages can be efficiently impacted in cooperation with vertical component force Fz of water flow of the flushing device, and scattering of magnetic aggregates is facilitated; the tail control flat coil and the concentrate gathering flat coil at the upper end and the lower end effectively control tailings and concentrates respectively, so that the separation efficiency of strong magnetic concentrates and weak magnetic impurities is improved, for example, in the iron-titanium separation operation of vanadium titano-magnetite ore dressing, ilmenite mixed into iron ore concentrates can be reduced, the grade of the iron ore concentrates can be improved, and titanium metal resources can be fully recycled.

The application provides a steam heating cooking device with a titanium inner container and belongs to the technical field of daily necessities. The steam heating cooking device solves the technical problems of poor safety, complex structure and poor heat preservation effect in the prior art. The steam heating cooking device comprises a pot body, the pot body comprises an inner container made of titanium metal or titanium alloy, an outer shell one made of metal is arranged on the periphery of the inner container, and a vacuum cavity is arranged between the inner container and the outer shell one. The inner container made of titanium metal or titanium alloy can improve the cleanliness, avoid the penetration of harmful substances during cooking and improve the safety.

A method for producing a metal-organic framework. The method includes: dissolving an acid compound having terephthalic acid as its main molecular structure, polyacrylic acid, and a silver-containing compound to produce an intermediate A; mixing a titanium-containing metal oxide cluster into the intermediate A to produce an intermediate B; heating the intermediate B to produce an intermediate C in a solid form; and repeatedly dissolving and centrifuging the intermediate C to produce a metal-organic framework.

A device includes a gate structure, a source / drain structure, a source / drain conductor, a barrier layer, and a dielectric liner layer. The gate structure is over a semiconductor structure and includes a gate dielectric layer and at least one titanium-containing metal layer over the gate dielectric layer. The source / drain structure is adjacent the gate structure and a sidewall of the semiconductor structure. The source / drain conductor is over the source / drain structure. The barrier layer warps around the source / drain conductor. The dielectric liner layer is on a sidewall of the barrier layer. Both the dielectric liner layer and the barrier layer extend into the source / drain structure.

The hydrophilic and lipophilic oil-water separation metal mesh is woven by titanium wires, the mesh aperture is 80-300 meshes, the diameter of the titanium wire is 80-300 microns, the surface of the titanium wire has a porous nanometer film with a thickness of 10-30 microns, the porous nanometer film is a porous structure with a pore size of 5-25 microns constructed by titanium nanowires, and the diameter of the titanium nanowire is 40-80 nm. The mechanism of the metal mesh for oil-water separation is that the titanium wire mesh soaked in an alkaline solution at high temperature can quickly form a water film when encountering water, and the oil will float on the surface of the water film. The water film allows water to continue to pass through the mesh holes of the titanium metal mesh, but can block the passage of oil liquids, thereby realizing the rapid separation function of oil and water. The metal mesh can realize rapid and efficient separation of oil and water, is low-carbon and environmentally friendly, the preparation method is simple and easy to operate, the preparation cost is low, and the mass efficient construction and preparation of the oil-water separation metal mesh can be realized.

The invention provides a method for forming a titanium / titanium nitride film. The method comprises the following steps of: depositing a titanium metal layer on a semiconductor substrate; and performing thermal annealing treatment on the semiconductor substrate deposited with the titanium metal layer in a nitrogen-containing atmosphere, so that the titanium metal layer reacts with the semiconductor substrate to form a metal silicide, and meanwhile, the titanium metal layer reacts with the nitrogen-containing atmosphere to generate a titanium nitride layer. The silicide contact layer and the titanium nitride barrier layer are formed at the same time through the in-situ reaction, and the technological process is simplified. The titanium nitride layer formed by the method is thin, stress distribution of the wafer is effectively improved, the problem of wafer warping caused by the fact that the titanium nitride layer is too thick in a traditional process is solved, meanwhile, it is guaranteed that a silicon interface reacts sufficiently, contact resistance is reduced, and consistency of electrical parameters of a device is improved.

The invention discloses a p-channel gallium nitride transistor and a preparation method thereof, and relates to the technical field of semiconductor devices. The p-channel gallium nitride transistor comprises a substrate; the barrier layer and the p-type gallium nitride layer are located on one side of the substrate; the p-type gallium nitride layer and the barrier layer form a hole heterojunction structure; the p-type gallium nitride layer comprises a first groove, and a first bulge and a second bulge which are positioned on two opposite sides of the first groove; the ratio range of the thickness L1 of the groove bottom of the first groove to the thickness L2 of the p-type gallium nitride layer at the first bulge and / or the second bulge is 1 / 14 < = L1 / L2 < = 3 / 14; a depletion layer located in the first groove; the depletion layer comprises a titanium metal layer and a titanium nitride layer which are laminated, and the titanium nitride layer is located between the titanium metal layer and the p-type gallium nitride layer; the source electrode and the drain electrode are located on the sides, away from the substrate, of the first protrusion and the second protrusion respectively; the grid electrode is located in the first groove and located on the side, away from the p-type gallium nitride layer, of the depletion layer. The stability and the electrical performance of the transistor are improved.

The invention discloses a titanium metal dental implant and a processing method thereof, and belongs to the technical field of medical instruments, the surface of an implant part of the implant is provided with a composite bioactive layer, and the composite bioactive layer is formed by compounding a first-stage micron hole layer formed by selective laser micro-melting and a second-stage submicron-nano mesh hole layer formed by micro-arc oxidation, and the secondary pore layer has gradient distribution of bioactive elements such as calcium and phosphorus. The processing method comprises the steps of matrix pretreatment, construction of a micron structure through selective laser micro-melting, synchronous construction of a nano structure through micro-arc oxidation, element gradient doping and post-treatment. The surface of the prepared implant has a unique micron-nano graded composite pore structure and gradient distribution of bioactive elements, the mechanical stability and the biological activity of the implant can be synergistically promoted, rapid and stable osseointegration is realized, the processing method is green and controllable, and the implant has a good application prospect.

The utility model discloses a middle frame assembly and electronic equipment, and relates to the technical field of electronic equipment. The middle frame assembly comprises a plurality of borders and a middle plate, the borders are titanium borders or titanium alloy borders, and the borders are opposite in an end-to-end mode to form an annular structure. The material of the middle plate is different from that of the plurality of frames, and the middle plate is located in the annular structure and is connected with the plurality of frames through plastic cement. The frame plays a main role in supporting the internal space of the whole electronic equipment, the frame is a titanium metal frame or a titanium alloy frame, certain structural strength is guaranteed while the weight is reduced, and the middle plate plays an auxiliary role in supporting the internal space of the whole electronic equipment. Compared with the frame, the electronic equipment can adopt the middle plate which is lighter in weight and weaker in structural strength and is made of other materials, so that the middle frame assembly is lighter in overall weight and higher in structural strength, and two parameters of strength and weight are considered.

The invention provides a brazing method suitable for a medical implantable ceramic tube shell. The brazing method comprises the steps that a zirconia ceramic workpiece is cleaned; performing vacuum magnetron sputtering on the surface of the cleaned zirconia ceramic workpiece, and sequentially depositing a bottom metal layer and a surface metal layer to form a metalized layer; performing vacuum heat treatment on the zirconia ceramic workpiece with the metalized layer so as to eliminate the internal stress of the metalized layer; acid pickling is conducted on the surface of the pure titanium metal piece to remove an oxidation film, and drying treatment is conducted; placing a gold solder between the metallization layer and the pure titanium metal piece, and assembling an assembly to be welded; according to the method, a to-be-welded assembly is placed in a vacuum brazing furnace to be brazed, preset heating, heat preservation and cooling procedures are executed, and high-strength, high-airtightness and excellent-biocompatibility connection between zirconia ceramic and pure titanium is achieved through an optimized surface metallization process, stress relief treatment and a strictly-controlled full-process vacuum brazing process.

The utility model belongs to the technical field of fireproof monitoring devices, and particularly relates to a titanium metal fireproof monitoring device based on a wireless network, which comprises an explosion-proof shell seat, an explosion-proof shell is in threaded connection with the explosion-proof shell seat, a double-layer mounting plate is arranged in the middle of the explosion-proof shell seat, and a circuit assembly is mounted on the upper layer of the double-layer mounting plate. A temperature sensor probe and a smoke sensor probe are mounted on the lower layer of the double-layer mounting plate, the circuit assembly comprises a circuit board and a storage battery which are mounted on the upper layer of the double-layer mounting plate, and a control chip and a battery charging adapter are arranged on the circuit board; four circular through holes are formed in the middle of the explosion-proof shell seat and are respectively positioned in the side parts of the double-layer mounting plate; a first voltage sensor and a second voltage sensor are arranged on the circuit board, the first voltage sensor is used for measuring the voltage of the total power line, and the second voltage sensor is used for measuring the voltage of the storage battery. According to the utility model, automatic charging can be carried out when the storage battery built in the fireproof monitoring device is under-voltage.

The utility model discloses a titanium alloy composite board processing is with pretreatment device relates to the field of composite metal material manufacturing, including base, the upper surface mounting of base has dust removal polishing chamber, the inner wall rotation of dust removal polishing chamber is connected with first polishing roller, second polishing roller and third polishing roller. The utility model drives first L shape pole and hollow cylinder whole in a pair of first arc plate to move back and forth under the action of concave-convex annular groove, drives hot drying pipe and second L shape pole whole in a pair of second arc plate to move back and forth, and multiple water outlets flow out to the surface of first sponge cover and immerse, and first sponge cover rubs the opposite surface of titanium metal plate and steel metal plate, removes dust, and the electric heating tube heating hot drying pipe is installed in hot drying pipe, and second sponge cover rubs the opposite surface of titanium metal plate and steel metal plate, removes the moisture of first sponge cover adhesion, and carries out the pretreatment operation to the pre-composite rolling operation.

This invention discloses a thermal shock-induced catalytic electrode, its preparation method, and its application in wastewater treatment, belonging to the field of wastewater treatment technology. The catalytic electrode comprises a titanium metal substrate and a mixed metal oxide catalytic layer formed on the surface of the titanium metal substrate. The mixed metal oxide catalytic layer has a hydroxylation-rich surface, high specific surface area, and large pore volume, and its microstructure is a uniform mud-crack-like porous structure containing nanoscale grains. The preparation method includes first laser shock strengthening of the titanium metal substrate to form a mesoscale array structure; then loading the mixed metal oxide precursor using an immersion-pulling-space flow method; subsequently performing annealing; rapidly immersing the annealed electrode in a hydrogen peroxide solution for thermal shock quenching; and finally performing low-temperature tempering to eliminate internal stress and reduce resistance. The catalytic electrode of this invention achieves a balance between catalytic activity, conductivity, and stability, and its preparation process is simple and easy for large-scale industrial production.

The present invention relates to a chitosan-titanium composite, a preparation method and use thereof, and more particularly, a chitosan-titanium composite capable of effectively adsorbing and desorbing 68Ge / 68Ga by combining small molecular chitosan with titanium metal oxide to increase adsorption reactivity to 68Ge and 68Ga desorption reactivity, and a preparation method and use thereof.

The application belongs to the field of aluminum-based composite materials, and particularly relates to a kind of additive manufacturing high-performance aluminum-titanium metal composite material and a preparation method thereof. Micron-sized aluminum alloy powder and micron-sized titanium alloy powder are mixed uniformly by ultrasonic-assisted water bath stirring method for laser powder bed melting, wherein the mass fraction of the aluminum alloy powder and the titanium alloy powder is 85-98 wt.% and 2-15 wt.% respectively. The micron-sized titanium alloy powder is used to promote the formation of multi-scale layered structure of equiaxed crystal, core-shell structure, cellular substructure and nano precipitate phase, so as to simultaneously improve the strength and plasticity of the material and realize isotropic mechanical properties. The aluminum alloy-titanium metal composite material for additive manufacturing disclosed by the application has simple and easy-to-control process and low cost, and can be suitable for large-scale production.

The invention provides a mono-titanocene metal complex, a catalyst composition, a propylene and 5-vinyl-2-norbornene copolymer and a preparation method, and the mono-titanocene metal complex has a structure as shown in a formula (I). The mono-titanocene metal catalytic system provided by the invention has the characteristic of high catalytic activity; and the propylene and 5-vinyl-2-norbornene copolymer with high molecular weight, narrow molecular weight distribution and high glass transition temperature can be prepared.

The invention discloses a method for enriching and recovering titanium from titanium-containing blast furnace slag. The method comprises the following steps: treating the titanium-containing blast furnace slag by using mixed acid of hydrochloric acid and organic acid, heating, stirring, and filtering to obtain filter residues and filtrate; the obtained filter residues are continuously added into an alkali solution for impurity removal treatment, and Ti-enriched blast furnace slag is obtained; and adding an alkali solution into the filtrate, and adjusting the pH value of the filtrate to generate Ti (OH) 4 precipitate in the filtrate so as to recover the Ti-containing component in the filtrate. According to the method for enriching and recycling titanium from the titanium-containing blast furnace slag, stepped recycling of titanium resources in the titanium-containing blast furnace slag is achieved through a three-step synergistic process of mixed acid treatment, alkali liquor impurity removal and pH adjustment precipitation. The method is weak in corrosivity, low in equipment requirement, high in environmental friendliness and high in operation safety, impurities in the titanium-containing blast furnace slag can be effectively removed, enrichment of Ti-containing components is achieved, and the method is used for producing high-added-value products such as titanium alloys, titanium metal and photocatalysts.

The invention relates to a low-cost metal substrate thin film gallium arsenide solar cell and a preparation method thereof. The solar cell sequentially comprises an antireflection film and an upper metal electrode from top to bottom, the gallium arsenide epitaxial layer grows in an inverted mode; evaporating a metal titanium layer; evaporating a metal chromium layer; evaporating a metal nickel layer; and electroplating a metal nickel or nickel alloy layer. The preparation method comprises the steps of flip epitaxial growth, stress balance metal transition layer evaporation, metal substrate electroplating, temporary substrate bonding, original GaAs substrate removal and thin film solar cell device technology. The metal substrate thin film gallium arsenide solar cell prepared by the invention adopts cheap titanium, chromium, nickel and other metal materials and an electroplating method, and has the advantages of stress matching, low cost, light weight and the like compared with the existing thin film gallium arsenide solar cell.

The present invention relates to an implant having a nanopatterned shallow concave surface and a method for manufacturing the same, the method comprising: a step for forming titanium oxide nanotubes by anodizing an implant body made of titanium metal or a titanium alloy; and a step in which the titanium oxide nanotube is removed, thereby forming a shallow recess on the surface of the implant main body. Thus, the surface of the implant main body is anodized and then the anodized surface is removed to form a shallow recess on the surface of the implant main body, the anodized titanium oxide film is peeled off to prevent the titanium oxide film from falling into a living body, and impurities remaining on the surface can be effectively removed. Further, it is possible to maximize the surface area when transplanted into the inside of a living body by means of the use of titanium or a titanium alloy as a raw material for the implant main body and the dimples formed by surface anodic oxidation, thereby providing excellent biocompatibility, chemical stability, and mechanical stability.

The utility model discloses an implantable medical equipment and preparation frock belongs to implantable medical device technical field, including casing and inductive coil, the inductive coil is wound in the outside of casing, the inductive coil is wound respectively along the X -axis, Y -axis and Z -axis direction of casing outside casing. The inductive coil is reasonably arranged in the outside of titanium metal casing or other alloy metal casing, can effectively avoid metal shield and eddy current loss, coats the biocompatibility coating outside the inductive coil, guarantees to human body non -toxicity and does not conduct electricity. Through the layout of the inductive coil of X -axis, Y -axis, Z -axis three directions, can further increase the capture efficiency to the external inductive magnetic field, thereby has improved wireless energy transmission efficiency significantly. The utility model also provides a frock for winding the above inductive coil, including upper and lower clamping plate and corresponding profiling position, to ensure that the coil is tightly attached to the casing when winding.

The application is a device for building multilayer annular block material from multiple solid metals, which comprises a rotating frame (1) capable of rotating around a central axis, the rotating frame (1) being a hollow cylinder, a cylindrical heat treatment column (2) being arranged at the axial position in the inner cavity of the rotating frame (1), two powder feeding pipes (3) being symmetrically arranged around the heat treatment column (2), the powder feeding pipes (3) being capable of rotating and moving up and down along the central axis of the rotating frame (1), in the use process, titanium-aluminum alloy powder particles are plastically deformed on the surface of a titanium metal ring, and the combination with the titanium metal ring base material is completed with the aid of a tangential force.

The application discloses a two-step rapid electrothermal preparation method of a nano-titanium dioxide photoanode and application thereof, and belongs to the field of new energy materials, and the preparation steps are as follows: titanium metal sheets are cut into rectangles, are sequentially cleaned with acetone, ethanol and distilled water through ultrasonic cleaning, are dried, are placed in an electrothermal device, are electrified under a voltage of 50 to 100 volts for 20 to 30 seconds, the first-step electrothermal treatment is completed, are naturally cooled, are continuously placed in the electrothermal device, are electrified again under a voltage of 50 to 100 volts for 20 to 30 seconds, the second-step electrothermal treatment is completed, and the nano-titanium dioxide photoanode is prepared.The application directly and rapidly grows the nano-titanium dioxide photoanode on the titanium metal sheets in a two-step electrothermal mode, has the characteristics of convenience and high efficiency, can greatly shorten the preparation time of the titanium dioxide photoanode, and can avoid excessive use of chemical reagents.

The invention belongs to the technical field of metallurgy, and particularly relates to a production method of a zinc-aluminum-magnesium-nickel-titanium-boron rare earth alloy. According to the method, by optimizing the adding mode of multi-element high-melting-point alloy elements, zinc sheets, batched aluminum ingots, zinc-nickel alloy, sponge titanium, rare earth lanthanum-cerium alloy, boron powder and magnesium ingots are sequentially added in a specific temperature interval and melted through electromagnetic stirring, and finally the zinc-aluminum-magnesium-nickel-titanium-boron rare earth alloy is obtained after slagging is conducted through a slagging constituent and casting is conducted. According to the method, through the steps of two-time aluminum melting and post magnesium adding, accurate heat management in the melting process is achieved, the burn-out rate of the magnesium element is reduced to 2.18%, nickel and titanium metal is replaced with the zinc-nickel alloy and the sponge titanium, rapid adding of high-melting-point elements is achieved, the melting time is shortened, energy consumption is reduced, and alloy components are more uniform. By using the novel slag former, the dual effects of physical covering and adsorption are achieved, the slag removal effect is effectively improved, and the metal direct recovery rate of the obtained seven-element alloy can reach 98%.

The invention relates to the technical field of high-temperature heat dissipation, and discloses a metal surface treatment method, surface modified metal and a heat flow component. The method comprises the steps that an active metal is adopted to conduct alloying treatment on a metal material to obtain an alloyed material, the metal material comprises at least one of aluminum metal, copper metal and titanium metal, and the adding amount of the active metal is smaller than or equal to 10 wt.% with the mass of the alloyed material as the standard; and the alloying material is subjected to dynamic surface treatment, and the temperature of the alloying material ranges from 50 DEG C to 200 DEG C or ranges from 300 DEG C to 600 DEG C. And dynamic preparation of the surface micro-nano structure can be realized.

1. Name of the designed product: watchband (titanium metal). 2. Use of the designed product: for watchband. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view.

The application provides a semiconductor device and a forming method, which comprises the following steps: providing a semiconductor substrate, the semiconductor substrate is provided with a first interlayer dielectric layer; forming a plurality of metal lines on the first interlayer dielectric layer, the metal lines are laid on the first interlayer dielectric layer, and gaps are formed between adjacent metal lines, the metal lines comprise a bottom titanium metal layer, an aluminum metal layer and a top titanium metal layer which are stacked in sequence; forming a dielectric antireflection layer on the top titanium metal layer, the dielectric antireflection layer covers part of the top titanium metal layer and exposes edges of the top titanium metal layer; forming a silicon nitride protective layer on the dielectric antireflection layer and the edges of the top titanium metal layer, the silicon nitride protective layer covers at least the top surface and the sidewall of the top titanium metal layer, and the silicon nitride protective layer on the adjacent metal lines has gaps; and depositing an oxide on the silicon nitride protective layer to form a second interlayer dielectric layer, the interlayer dielectric layer fills the gaps. The application reduces the probability of metal particles leading to interconnection between the metal lines.

High-performance metal matrix composites of copper, aluminum, and / or titanium are produced by embedding nanocarbon reinforcement into metal foil or sheet which is concurrently laminated into a multilayer structure to produce high-performance materials for thermal management, enhanced electrical conductivity, armor products and high-strength composite structures.

A composite metal porous body according to one aspect of the present invention has a skeleton having a three-dimensional network structure, in which the skeleton has a porous body base material and a metal film covering the surface of the porous body base material, and the metal film contains titanium metal or a titanium alloy as a main component.

The application discloses a nickel-titanium wire and metal sheet pressing device and a pressing riveting method, relates to the technical field of medical apparatuses, and comprises a metal spring sheet provided with a pre-bent V-shaped structure for passing through a nickel-titanium wire, a groove with a tapered section is arranged on the inner wall of the pre-bent V-shaped structure, and the cross-sectional width of the groove gradually decreases along the depth direction; a first pressing assembly comprising a lower pressing plate, an upper pressing plate and a pneumatic pressing machine, the upper pressing plate is used for preliminarily pressing the pre-bent V-shaped structure and the nickel-titanium wire; a second pressing assembly comprising a tight pressing block and a tight pressing plate, the tight pressing plate is used for reinforcing the pressing of the pre-bent V-shaped structure and the nickel-titanium wire; a tension control device comprising a wire wheel support, a wire wheel, a tension adjusting wheel, a guide wheel set and a tension meter, the wire wheel is used for winding a wire roll of the nickel-titanium wire, and the guide wheel set is used for guiding the nickel-titanium wire to pass through the pre-bent V-shaped structure. The device can make the connection between the nickel-titanium wire and the metal sheet more stable and reliable, has good conduction performance and stable quality.

This application relates to the field of non-stick titanium cookware technology, and in particular to a surface treatment method for an uncoated non-stick titanium cookware based on a multi-level micro-nano composite structure. The method includes the following steps: Step 1: After heating the raw material of the cookware body sheet, it is placed on an embossing machine. The embossing machine embosses the raw material of the cookware body sheet, creating different patterns inside the cookware. The embossed raw material is then stretched through a mold to form a preliminary shape of the cookware body. Then, a stamping machine is used to close the edges of the raw material and perform multiple embossing processes to create a layered texture, forming the cookware body. In this application, titanium metal makes the entire non-stick cookware lighter and easier to use. The pure aluminum intermediate layer increases heat conduction efficiency, improving the non-stick effect. Multiple polishing processes make the surface of the non-stick cookware smoother, enhancing its non-stick performance and appearance. Micropores are etched on the surface of the cookware body using an ultra-short pulse laser device, achieving the non-stick effect.