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79 results about "High energy beam" patented technology

Binding-phase-free hard alloy and preparation method thereof

The invention relates to the technical field of powder metallurgy materials, and discloses a binding-phase-free hard alloy and a preparation method thereof.The binding-phase-free hard alloy comprises, by mass, 75-80 parts of WC; 8 to 12 parts of TiC; 5 to 8 parts of TaC; 3 to 5 parts of ZrC; 1.5 to 2.5 parts of HfC; 0.8 to 1.2 parts of rare earth oxide; the preparation method comprises the five key steps of core-shell structure composite powder preparation, high-energy beam melting gradient accumulation, microwave-magnetic field composite field activation, multi-stage pressure plasma sintering and staged variable-rate gradient cooling. And component gradient design is cooperated with a multi-field coupling process. Through collaborative design of a core-shell structure hard phase and a gradient composite phase, and in combination with a multi-field coupling activated sintering and gradient cooling process, the problem of obdurability balance of the non-binding-phase hard alloy is solved, the microstructure stability is optimized, and the comprehensive performance and the process controllability are improved.
Owner:SHANDONG RUIXIN TUNGSTEN CO LTD

A method for manufacturing a large-scale aluminum alloy vacuum chamber by using a universal semiconductor

The application discloses a kind of general semiconductor large-scale aluminum alloy vacuum chamber high-efficiency high-energy beam manufacturing method, which comprises the following steps: S1, the opening of each component of vacuum chamber is handled, and each component of vacuum chamber is fixed by argon arc welding by splicing welding;S2, the welding area of vacuum chamber is preheated by oxyacetylene flame spray gun, and the preheating area is cleaned by laser by pulse laser cleaning machine;S3, the inside and outside of vacuum chamber are deep fusion welded by laser-MIG composite welding;S4, the weld of the completed vacuum chamber is inspected.The application is preheated to 100-120 DEG C by flame spray gun to workpiece, the preheating area is cleaned by laser by pulse laser cleaning machine simultaneously, and the moisture and oil dirt and other impurities in the welding area are removed, so that the manufacturing of large-scale aluminum alloy vacuum chamber can be met, the manufacturing efficiency is greatly improved, and the welding deformation is reduced.
Owner:上海同芯构技术有限公司

Online laser annealing device for welding seam of silicon steel sheet on strip steel production line

The utility model relates to the technical field of strip steel processing equipment, and discloses a strip steel production line silicon steel sheet weld joint on-line laser annealing device which comprises a strip steel processing table and a sliding frame, the strip steel processing table comprises two sets of supporting frames and a front-back adjusting seat, and the two sets of supporting frames are symmetrically arranged on the two sides of the bottom of the strip steel processing table; the front-back adjusting base is arranged on one side of the top of the supporting frame, and the sliding frame comprises a moving trolley and a laser gun. Strip steel can be clamped and fixed through the pressing hydraulic cylinder, the pressing plate, the strip steel machining table and the anti-skid table, the position of the laser gun can be moved through the sliding frame and the moving trolley, and laser is emitted to the upper surface and the lower surface of a welding seam through the connecting optical fiber, the laser generator and the laser gun. The directional reconstruction of the weld structure is realized through the high-energy beam heat source, so that the stability of the strip steel weld quality is improved, the phenomenon of strip steel weld fracture is reduced, the production cost is greatly reduced, and the production efficiency is improved.
Owner:WUHAN BAOHAN WELDING EQUIP

Manufacturing method of micro porous structure additive added with thermal expansion graphite

The invention discloses a micro-porous structure additive manufacturing method with thermal expansion graphite added, and belongs to the technical field of micro-porous structure additive manufacturing. According to the method, thermal expansion graphite powder is added into additive manufacturing powder as a high-efficiency pore-forming agent, and thermal expansion graphite with certain initial expansion temperature, particle size, complete expansion temperature and expansion multiplying power is selected according to the difference of the particle size of matrix powder, the additive manufacturing temperature and the internal pore size and porosity of a part; the method comprises the following steps: preparing thermal expansion graphite, uniformly mixing the thermal expansion graphite with matrix powder according to a certain proportion for additive manufacturing, melting the matrix powder by using an external high-energy beam under a certain temperature condition, expanding the volume of the thermal expansion graphite, and directly processing a target part with a micro porous structure. According to the method provided by the invention, the design and control of the pore size and porosity of the final workpiece are realized, the technical vacancy of the additive manufacturing technology in the field of micro porous structure part preparation is made up, and the method has remarkable technical advantages and wide application prospects.
Owner:SHENYANG AEROSPACE UNIVERSITY

Bonding interface defect elimination module, method, and semiconductor device processing apparatus

PendingCN122180407ADevice materialPulse energy
This invention provides a method for eliminating bonding interface defects, a module for eliminating bonding interface defects, a semiconductor device processing apparatus, and a computer-readable storage medium. The method for eliminating bonding interface defects includes the following steps: locating at least one bubble defect on the bonding interface of a grain-wafer bond; and applying a pulsed high-energy beam from the grain side of the bonding interface to the at least one bubble defect to form at least one venting micro-via penetrating the corresponding grain above the bubble defect, wherein the peak power of the pulsed high-energy beam is not less than 10 kW, and its single-pulse energy is not greater than 1 mJ.
Owner:PIOTECH (HAINING) SEMICON EQUIP CO LTD

A method for in-situ generation of TiC-TiN ceramic material on a titanium-containing substrate by means of atmosphere-assisted high-energy beam

This invention relates to the field of metal surface strengthening technology, specifically a method for in-situ generation of TiC-TiN ceramic materials using a titanium-containing substrate and an atmosphere-assisted high-energy beam. This method utilizes the titanium-containing substrate itself as a titanium source. Under a specific atmosphere, high-energy beam irradiation causes the Ti element in the substrate to react in-situ with C and N elements in the atmosphere, generating a TiC and / or TiN ceramic strengthening layer on the substrate surface. Specifically, the method includes: pretreating the titanium-containing substrate; placing it in a reaction chamber and introducing an auxiliary gas containing C and / or N; scanning and irradiating the substrate surface with a high-energy beam, controlling process parameters to allow Ti to react with C and N, generating a 0.5-1.2 mm thick metallurgically bonded strengthening layer. The advantages are: this invention eliminates the need for additional titanium powder or carbon powder, resulting in a simple and low-cost process; the strengthened layer exhibits high bonding strength with the substrate with no risk of detachment; and it significantly improves the surface hardness, wear resistance, and corrosion resistance of the substrate, making it widely applicable in military, aerospace, and marine equipment fields.
Owner:CHINA COAL ZHANGJIAKOU COAL MINING MACHINERY +1

Resist composition and patterning process

To provide a non-chemically amplified resist composition excellent in sensitivity and limiting resolution in photolithography using a high energy beam, and a pattern forming method using the resist composition.SOLUTION: The resist composition comprises a polymer containing a repeating unit having a hypervalent iodine structure represented by formula (1), a carboxy group-containing compound, and a solvent.SELECTED DRAWING: None
Owner:SHIN ETSU CHEMICAL CO LTD

A fast energy modulation system for proton therapy and a proton therapy device

The application discloses a kind of fast energy regulation system and proton radiotherapy device for proton radiotherapy, belong to medical equipment technical field, including first quaternary iron, energy switching device and momentum cooling device sequentially arranged on energy beam transmission line, energy switching device includes sequentially connected first impact magnet, second quaternary iron, second impact magnet, energy switching energy reducer, third impact magnet and fourth impact magnet, first impact magnet is connected with first quaternary iron, fourth impact magnet is connected with momentum cooling device, energy switching energy reducer is one-piece wedge structure, it includes low-energy beam energy reduction zone, ideal beam energy reduction zone and high-energy beam energy reduction zone.It is simple in structure, energy switching time is short, transmission efficiency is high, and it can safely and efficiently transmit energy divergence less than 15%, energy is 70-230MeV proton, and transmission efficiency can reach 5%.
Owner:SICHUAN UNIV

Composition optimization method of high strength and toughness aluminum-lithium alloy for additive manufacturing with rare earth synergistic refinement

This invention relates to the field of metal material processing technology, specifically to a method for optimizing the composition of high-strength and high-toughness aluminum-lithium alloys for additive manufacturing using rare earth synergistic refinement. The method includes the following steps: obtaining aluminum-lithium alloy matrix powder, and separately obtaining CeH2 powder as a cerium source and ZrH2 powder as a zirconium source as reaction precursors; uniformly mixing the CeH2 powder, ZrH2 powder, and aluminum-lithium alloy matrix powder to form a composite powder raw material; during electron beam additive manufacturing, based on the ultra-high temperature and ultra-high cooling rate environment provided by the molten pool formed on the composite powder raw material by high-energy beam scanning, CeH2 and ZrH2 decompose into highly active Ce atoms and Zr atoms, and promote the in-situ synthesis reaction between the two and molten aluminum to generate a (Ce,Zr)Al3 nanocomposite phase. This invention achieves spatiotemporal synchronization of refined phase generation and solidification nucleation by using CeH2 and ZrH2 as precursors to generate the (Ce,Zr)Al3 nanocomposite phase.
Owner:HENAN UNIV OF SCI & TECH

High voltage pulse generator for high-energy beam kickers

A high voltage inductive adder is disclosed. An inductive adder may include a plurality of switch boards that each include a plurality of switch boards that include a plurality of solid state switches. These switch boards may be stacked one upon another. The inductive adder may include a transformer comprising a plurality of toroid-shaped transformer cores disposed on a corresponding one of the plurality of switch boards; and a transformer rod that extends through the plurality of switch boards and the plurality of transformer cores. The inductive adder may include an output electrically coupled with the transformer rod. And each of the plurality of circuit boards, for example, may include a tailbiter circuit electrically coupled in parallel with the output.
Owner:EHT VENTURES INC

Method of manufacture and apparatus therefor

A method of forming a plurality of components on a build-plate, the method comprising the steps of providing a forming system comprising a plurality of high-energy beam generators mounted on a common support and configured to direct energy onto the build-plate; the build-plate comprising at least one segregation zones segregating the build plate into a plurality of build zones, each build zone associated with one of the high-energy beam generators; forming within each build zone at least one datum from material melted by energy from its associated high-energy beam generator; and forming within each build zone at least one component from material melted by energy from its associated high-energy beam generator; cutting or machining the build plate at the segregation zone or segregation zones to separate the build zones.
Owner:ROLLS ROYCE PLC

Method and apparatus for holographic imaging

A method of forming two distinct images in a substrate includes controlling a high-energy beam to form a profile ridge in the substrate, and thereafter defining a first set of features on a first side of the profile ridge, the first set of features representing a first distinct image when the substrate is perceived by an observer from a first angle, as well as defining a second set of features on a second side of the profile ridge, the second set of features representing a second distinct image when the substrate is perceived by an observer from a second angle. Both the first set of features and the second set of features are positioned in a common vertical substrate space of the substrate.
Owner:HAZEN PAPER CO

High-energy beam surface modification cooling system utilizing the synergistic effect of a strong convective ultrasonic array

This invention provides a high-energy beam surface modification cooling system utilizing the synergistic effect of a strong convection ultrasonic array. The system comprises a strong convection ultrasonic generator, a high-energy beam modification system, and a modification atmosphere protection system. The strong convection ultrasonic generator is fitted onto a platform via a lower trapezoidal notch and houses an array of flow field generating devices and ultrasonic generators. The high-energy beam modification system includes a six-axis robotic arm, a high-energy beam generator, a high-energy beam transmission device, a high-energy beam modification nozzle, and an online monitor for the molten pool state. The modification atmosphere protection system includes an atmosphere protection chamber, temperature and humidity sensors, an air quality detector, a dust removal and purification system, an oxygen content detector, and a sealing port. This invention, through the synergistic effect of the strong convection ultrasonic array assisting the high-energy beam surface modification cooling system, couples the coolant flow field convection and the liquid ultrasonic cavitation effect, enabling online, controllable, and uniform temperature adjustment during the high-energy beam modification of heat-sensitive materials.
Owner:HARBIN ENG UNIV

Conductive assembly

The invention discloses a conductive assembly which comprises a conductor and a conductive connecting plate. The conductor and the conductive connecting plate are connected in a high-energy beam butt welding mode. The conductive connecting plate is provided with a bottom lateral protruding structure, and the bottom lateral protruding structure is arranged under the butt joint face of the conductor and the conductive connecting plate. The shape of the conductive connecting plate can be flexibly designed according to needs, and multiple purposes are achieved. The bottom lateral protruding structure of the conductive connecting plate is arranged under the butt joint face of the conductor and the conductive connecting plate, and the high-energy beam can be prevented from penetrating through the butt joint face in the welding process.
Owner:刘燕

A method for constructing a digital model of a high-energy beam pre-controlled projectile with random defects

This invention discloses a method for constructing a digital model of a high-energy beam pre-controlled projectile with random defects. The method includes: establishing a model of the high-energy beam pre-controlled projectile using TrueGrid software; outputting the node and element information of the mesh according to the format requirements of the finite element software; extracting node and element data from the mesh model file, dividing the element data into base element data and pre-controlled zone element data; obtaining element data of the defect-forming locations and the remaining element data in the pre-controlled zone according to a pre-defined ratio of defect formation locations and their volume in the pre-controlled zone; randomly deleting element data from the defect-forming locations; and merging the data to form a mesh model file that meets the requirements, thus obtaining the element data of the high-energy beam pre-controlled projectile with random defects. This construction method can generate controllable random defects in the pre-controlled zone, completing the defect characterization of the high-energy beam pre-controlled projectile.
Owner:BEIJING INST OF TECH

High-energy beam welding stress deformation simulation optimization method based on pinhole effect

The invention discloses a high-energy beam welding stress deformation simulation optimization method based on a pinhole effect, and aims to solve the problems of low simulation precision, poor calculation efficiency, difficulty in process optimization and the like in the prior art. Accurate simulation and efficient optimization are realized through three core modules: a dynamic molten pool behavior modeling module is coupled with energy interaction and dynamic evolution of metal steam in a small hole and a high-energy beam, and a dynamic heat source model is constructed; the stress simulation module is combined with a grain orientation model and a Newton-Raphson iterative algorithm, so that the stress calculation precision is improved; the welding structure rapid simulation module is based on a hybrid grid technology, and adopts an algebraic multi-grid algorithm to improve efficiency and balance precision and efficiency. According to the method, the welding stress deformation can be accurately predicted (the error is smaller than or equal to 10%), the simulation efficiency of a large structure is greatly improved (the simulation efficiency is improved by 1-2 orders of magnitude), the trial and error experiment cost is reduced by 30% or above, and the method is suitable for various high-energy beam welding processes and materials and can be widely applied to the high-end manufacturing fields of aerospace, weaponry and the like.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for depositing a metal material on a ceramic or mineral substrate using an application device

A method for depositing a metal material on a ceramic or mineral substrate uses an application device. A high energy beam from an energy source on the application device is directed onto a surface of the substrate. The metal material is applied to a region of the surface of the substrate and melted, at least in portions, by the high energy beam. After solidifying the metal material is deposited in the form of a material application on the surface of the substrate. The high energy beam impinging on the surface of the substrate defines a working region, a position of which can be modified by a relative displacement of the surface of the substrate and the laser device. In the working region, an indentation is made in the surface of the substrate, and the material is applied into the indentation.
Owner:PONTICON GMBH

Composition optimization method of high strength and toughness aluminum lithium alloy for additive manufacturing with rare earth synergistic refinement

The present application relates to the technical field of metal material processing, in particular to a rare earth synergistic refining high-strength and high-toughness aluminum-lithium alloy composition optimization method for additive manufacturing, comprising the following steps: obtaining aluminum-lithium alloy base powder, and respectively obtaining CeH2 powder as a cerium source and ZrH2 powder as a zirconium source as reaction precursors; uniformly mixing the CeH2 powder, the ZrH2 powder and the aluminum-lithium alloy base powder to form a composite powder raw material; in an electron beam additive manufacturing process, based on the super-high temperature and super-high cooling rate environment provided by the molten pool formed on the composite powder raw material by high-energy beam scanning, the CeH2 and the ZrH2 are decomposed into high-activity Ce atoms and Zr atoms, and in-situ synthesis reactions of the two with molten aluminum are promoted to generate (Ce, Zr)Al3 nanocomposite phases. By using CeH2 and ZrH2 as precursors, (Ce, Zr)Al3 nanocomposite phases are generated, and the spatial and temporal synchronization of refined phase generation and solidification nucleation is realized.
Owner:HENAN UNIV OF SCI & TECH

A method for simultaneous rapid carburizing during high-energy beam welding of molybdenum alloys

A method for simultaneous and rapid carburizing of molybdenum alloys during high-energy beam welding, belonging to the field of welding technology, includes the following steps: pretreating the molybdenum or molybdenum alloy welding interface; sputtering a thin carbon film onto the molybdenum or molybdenum alloy welding interface using magnetron sputtering technology; controlling relevant parameters; and welding the pretreated molybdenum or / and molybdenum alloy sample using high-energy beam welding. This allows for rapid and simultaneous carburizing of the weld joint while simultaneously welding molybdenum or / and molybdenum with a high-energy beam. This method achieves rapid and simultaneous carburizing during high-energy beam welding, significantly improving the mechanical properties of the molybdenum or / and molybdenum alloy joint.
Owner:BEIJING UNIV OF TECH

Wiring busbar of cluster type user line

The invention relates to the field of wiring busbars, in particular to a wiring busbar of a cluster type user line, which comprises a busbar body, a wiring terminal module and a heat dissipation shell, and is characterized in that a manufacturing method comprises the following steps: S1, preparing a copper-aluminum composite busbar base material by adopting a rolling composite method, and carrying out synchronous hot pressing bonding on multiple layers to form a layered structure; s2, conducting channels are etched on the surface of the busbar base material through laser, and multiple branch wiring areas are formed; s3, under the protection of inert gas, fixing the sectional wiring terminal module in the wiring area through high-energy beam welding; s4, performing surface treatment on the surface of the busbar to improve the protection property of the busbar; s5, adding a heat dissipation structure between the busbar body and the heat dissipation shell; s6, processing the wiring terminal module, and integrating a monitoring module in the wiring terminal module; and S7, jointing the heat dissipation shell with the sealing insulating cover, and performing waterproof treatment on the busbar. According to the invention, the wiring busbar is enabled to adapt to a vibration environment, and the problem of thermal expansion of a local area of the wiring busbar is solved.
Owner:HAIBEI POWER SUPPLY COMPANY STATE GRID QINGHAI ELECTRIC POWER +1

Integrated laser countermeasure device

1. The name of the design product: integrated laser anti-no device. 2. The use of the design product: used for detecting, tracking and emitting high-energy beams to damage low, slow and small unmanned aerial vehicles. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.
Owner:CHENGDU HENGAN POLICE EQUIP MFG

Permanent magnet suppressed secondary electron high power heavy ion faraday cup

The application relates to the technical field of accelerator beam diagnosis, and provides a Faraday cylinder for high-power heavy ions with permanent magnet secondary electron suppression, which comprises a head and a moving device, the head comprises a collecting cup, a permanent magnet and a fixing support, the collecting cup is used for receiving beam particles and secondary electrons generated by beam electron bombardment; the permanent magnet is used for suppressing secondary electron escape; the fixing support is used for fixing the collecting cup and the permanent magnet according to the beam motion direction; the moving device is connected with the fixing support, and the moving device is used for driving the head to switch between a working state and a non-working state. The application receives beam particles and secondary electrons generated by beam electron bombardment through the collecting cup, suppresses secondary electron escape through the permanent magnet, fixes the collecting cup and the permanent magnet according to the beam motion direction through the fixing support, and the permanent magnet can effectively suppress high-energy electron escape, thereby greatly increasing the accuracy of high-energy beam current measurement.
Owner:INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI

Visual welding platform for high-energy beam welding

The invention belongs to the technical field of welding equipment, and particularly relates to a visual welding platform for high-energy beam welding, which comprises a base station, a shielding gas shunting assembly and a mounting assembly. A mounting groove is formed in the table top of the base table, and the two ends, in the extending direction, of the mounting groove penetrate through the side faces of the two opposite sides of the base table; the protective gas shunting assembly is accommodated in the mounting groove, and the mounting groove is filled with protective gas through the shunting pipe; the mounting assembly is used for fixedly mounting workpieces to be welded on the base station and enabling a welding seam to be welded formed by butt joint of the two workpieces to be correspondingly located above the mounting groove; wherein at least one mounting plate is a transparent observation window plate, the welding seam back forming process is observed in the direction parallel to the welding seam through the observation window plate, the dynamic state of a welding seam back molten pool, the welding seam forming state and possible defects are observed in real time, meanwhile, the shielding gas distribution assembly provides gas protection for the welding seam back, and the welding stability is guaranteed; the welding quality is improved.
Owner:CFHI DALIAN HYDROGENANT REACTOR +1

An electron beam rust removal and polishing metal vapor recovery device and rust removal and polishing method

ActiveCN117364097BPolishingVacuum chamber
This invention relates to the field of high-energy beam surface modification technology, and more particularly to an electron beam rust removal and polishing metal vapor recovery device and method. The Y-axis moving mechanism is mounted on the X-axis moving mechanism, and a worktable is mounted on the Y-axis moving mechanism. A platform is mounted on the worktable, and a condenser assembly for placing a metal sample to be treated is provided on the platform. A movable insert assembly for restricting the movement of the condenser assembly is provided on the outer periphery of the condenser assembly, and the movable insert assembly is detachably connected to the worktable. The advantages of this invention are: the condenser assembly can fully adhere rust layer vapor to the surface of the recovery plate, preventing contamination inside the vacuum chamber, and facilitating the movement of the metal sample placed inside the condenser assembly along the required path, thus facilitating electron beam rust removal and polishing of the metal sample.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Assembling and welding device and large-size titanium alloy spray pipe scalloped segment part overall assembling and high-energy beam welding method

The invention provides an assembling and welding device and an overall assembling and high-energy beam welding method for scalloped segment parts of a large-size titanium alloy spray pipe, and aims to solve the problems that in an existing welding and assembling method for the large-size titanium alloy spray pipe, due to the fact that all scalloped segment parts are sequentially assembled and welded, welding accumulated deformation exists; therefore, when the last two scalloped petal parts of the large-size titanium alloy spray pipe are closed, the opposite seam gap is difficult to meet the high-energy beam welding requirement, and the welding quality is difficult to guarantee. According to the overall assembling and high-energy beam welding method for the large-size titanium alloy spray pipe scalloped segment parts, a special assembling and welding device is designed, and it can be guaranteed that the butt seam gap and the wall staggering amount between the titanium alloy spray pipe scalloped segment parts are both within 0.1 mm; precise assembly is guaranteed, meanwhile, one-time overall welding of all scalloped segment parts of the large-size titanium alloy spray pipe is achieved without tire dismounting, welding deformation caused by multiple times of assembly and welding is avoided, then the welding quality of welding seams is guaranteed, and the assembly and welding efficiency is improved.
Owner:XIAN SPACE ENGINE CO LTD

Solventless photocurable liquid composition, cured product thereof, optical filler containing same, and display device including layer comprising said cured product

A photocurable liquid silicone composition, that has low viscosity that facilitates injection into a small gap, cures quickly by irradiating with a high energy beam such as ultraviolet light or the like, has a refractive index after curing that is high not only in a visible region but also in an infrared region, in which composition design is possible to provide an arbitrarily low dielectric constant, and is particularly useful as a material for a device using an infrared LED light source, is provided. The composition comprises: (A) one or more type of an organosilane or organopolysiloxane having on average one or more photoreactive functional groups and two or more monovalent functional groups selected from aromatic groups with 6 to 12 carbon atoms and aralkyl groups with 7 to 12 carbon atoms in a molecule and having 1 to 5 silicon atoms, and optionally further comprising (C) a curing catalyst.
Owner:DOW TORAY CO LTD

Co-modified branched organopolysiloxane, high energy ray-curable composition containing same, and use of same

Provided is a curing-reactive organopolysiloxane having favorable alkali solubility and a high energy beam-curable composition containing the same. Specifically, provided is a co-modified branched organopolysiloxane expressed by the following average unit formula (1): (A3SiO1 / 2)a(A2SiO2 / 2)b(RSiO3 / 2)c(SiO4 / 2)d where R represents a monovalent hydrocarbon group or the like; A is selected from the same group as R, specific phenolic hydroxyl group-containing organic groups M1 and specific carboxylic acid-containing organic groups M2; at least one of A is M1 and at least one is M2; and a, b, c, and d satisfy the following conditions: 0≤a, 0≤b, 0<(a+b), and 0<(c+d); and a use thereof.
Owner:DOW TORAY CO LTD

Optical platform and equipment for additive manufacturing and additive manufacturing method thereof

The invention relates to the technical field of additive manufacturing, in particular to an optical platform and equipment for additive manufacturing and an additive manufacturing method of the optical platform and the equipment. The light path output mechanism is used for outputting a high-energy beam; the at least one transparent blocking piece is arranged below the light path output mechanism and allows the high-energy beams to penetrate through, the transparent blocking pieces are arranged at the output end of the driving system, and in the additive manufacturing process, when pollutants such as material splashing and smoke dust are generated, the transparent blocking pieces can flexibly move under the action of the driving system, the pollutants are dynamically blocked, and the light path output mechanism is used for transmitting the high-energy beams. The probability that pollutants are directly deposited and attached to the surface of the light path output mechanism is effectively reduced, so that the situation that the normal laser propagation path is interfered after the surface of the light path output mechanism is polluted is avoided, the risk that the light path output mechanism is damaged due to pollution is reduced, and the stability and reliability of the whole additive manufacturing process are improved.
Owner:TAICANG WEIAN TECHNOLOGY CO LTD

Thermal-quenching integrated process and device for titanium alloy lattice structure

The invention belongs to the technical field of metal additive manufacturing, and particularly relates to a titanium alloy lattice structure heat-quenching integrated process and device, and the process comprises the following steps: under the vacuum condition, titanium alloy powder is used for printing a titanium alloy lattice structure in high-energy beam melting equipment; and after printing is completed, liquid nitrogen is introduced into the high-energy beam melting equipment, and the titanium alloy lattice structure is quenched by controlling the flow of the liquid nitrogen. According to the process, EBM forming and liquid nitrogen quenching treatment are integrated and completed in the same equipment, the workpiece oxidation risk is reduced, and the efficiency is improved; liquid nitrogen quenching is used for rapid cooling, formation of fine alpha'martensite in the titanium alloy can be promoted, a nitride layer can be formed on the surface of the titanium alloy, and the strength, hardness and wear resistance of a workpiece are improved; and a controllable liquid nitrogen injection system is utilized, so that the hardenability can be accurately controlled, and the consistency and the stability of the quality of workpieces are improved.
Owner:ZHONGBEI UNIV +1