116 results about "High energy beam" patented technology

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.

The invention discloses a TC4 skin self-adaptive tailored blank laser welding method based on light beam scanning-pulse cooperation, and belongs to the technical field of high-energy beam precision welding. The problems that in the batch production process of the aerospace thin-wall titanium alloy standardized cabin, due to skin assembly gap fluctuation, plate thickness misalignment, V-shaped notches and other shape and position deviations, the shape of a molten pool is unstable, and welding seam forming consistency is poor are solved. A collaborative matching method of a scanning path and pulse energy parameters is adopted to improve the bridging efficiency of a molten pool and the form stability of a bridging liquid film, and meanwhile, self-adaptive response adjustment of welding parameters is achieved by combining workpiece form and position deviation changes and real-time monitoring feedback of dynamic bridging behaviors of the molten pool. According to the technology, continuous and stable welding seam forming under the assembly working condition of a gap of 0.2-0.4 mm, a misalignment of 0.3-0.6 mm or a V-shaped notch of 20-30 degrees is achieved for the specification of a skin with the thickness larger than or equal to 1.5 mm, the tensile strength of a welding seam reaches 95% or above of a base material, and meanwhile high welding heat efficiency is maintained. According to the method, the adaptability of the laser welding technology to the workpiece form and position deviation is remarkably improved through the multi-parameter synergistic effect and process monitoring feedback regulation and control, and key technical support is provided for solving the high-quality and stable welding problem of a new-generation spaceflight standard general cabin structure in the development and batch production process.

The invention provides a ceramic material or glass material and a manufacturing method thereof. The manufacturing method comprises the following steps: preparing a precursor of a ceramic material or a glass material; processing the precursor by using a high-energy beam to obtain a processed precursor; and converting the processed precursor into a ceramic material or a glass material. The ceramic material or the glass material provided by the invention is manufactured by the manufacturing method. The ceramic part or the glass part in the 3C product is manufactured by combining 3D / 4D and other additive manufacturing technologies with a subtractive manufacturing technology. The ceramic or glass material of the present invention has high resolution and complex shape.

The invention discloses an electron beam bunch superposition method and device, and the beam bunch energy of the head part and the tail part of an electron beam bunch is different by adopting a beam energy absorption effect. And then a plurality of alpha magnets are utilized, so that the movement path of the high-energy beam bunches at the head of the beam bunch string is long, the movement path of the low-energy beam bunches at the tail of the beam bunch string is short, and longitudinal superposition and compression of the beam bunch string are achieved. And the alpha magnet can simultaneously realize an achromatic function, so that the transmission envelope after the beam bunch is compressed and superposed is not greatly increased. And the obtained shorter pulse beam can be used for scientific research application such as nuclear data measurement.

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.

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.

The invention relates to a deep damage additive repairing method based on light beam-melt viscosity coupling regulation and control, and belongs to the technical field of additive manufacturing. According to the light beam-melt viscosity coupling regulation and control additive repairing technology, self-adaptive filling repairing is achieved through the high-viscosity melt, repairing can be completed without reducing the diameter of a beam spot or reducing the power of a high-energy beam, material filling is rapid, and repairing is efficient. In the series of steps, the energy of the high-energy beam is reasonably distributed, more energy is used for melting the raw materials, and the rest of energy is used for melting and repairing the surface, so that interface metallurgical bonding is guaranteed, and a heterogeneous interface is prevented from being excessively melted and burnt. Compared with an existing additive repairing technology, the method is easy and convenient to operate, the whole-process repairing process only needs manual intervention in the contour scanning process and the rule planning process, self-adaptive filling repairing is mainly conducted through high-temperature and high-viscosity melt after additive repairing is conducted, the application range is wide, and multiple defects can be rapidly responded and repaired.

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.

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.

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.

The present invention belongs to the technical field of surface treatment of rail reinforcement layers and provides a high-energy-density irradiation process for treating rail reinforcement layers. The high-energy-density irradiation process for treating rail reinforcement layers includes inspecting the rails, irradiating the reinforcement layer surface with high-density energy, heat preservation, and testing. This process can eliminate or reduce the tensile stress on the surface of the rail reinforcement layer and refine the coarse-grained structure on the surface of the rail reinforcement layer, thereby improving the toughness and fatigue resistance of the reinforcement layer structure, preventing the reinforcement layer from peeling off due to internal cracks during the external compressive stress cycle, and greatly extending the service life of the rails after being treated with high-energy instant quenching technology. This process plays a vital role in ensuring the quality and safety of the entire high-energy beam reinforced rail.

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

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%.

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.

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.

The present invention discloses a light-energy-focusing vacuum 3D printing melt forming device and method. The device includes a vacuum chamber system for providing a vacuum environment, a light-energy-focusing system for utilizing external light energy to form a fixed high-temperature light spot within the vacuum environment, a powder-laying printing system for laying powder layer by layer within the vacuum environment and utilizing the high-temperature light spot for 3D printing, and a control system for realizing automatic operation of the entire device. The vacuum chamber system includes a chamber body, a vacuum pump, a chamber door, a lens mounting seat, a vacuum detection element, and a vacuum valve. The light-energy-focusing system includes a focusing lens, a light source, and a light shield. The powder-laying printing system is disposed within the chamber body and includes a powder pool mechanism, a powder-laying mechanism, and a planar motion mechanism. The device combines high-energy beam 3D printing melt forming with vacuum 3D printing, and can complete the vacuum light-energy sintering 3D printing process under ground conditions.

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.

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.

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.

The invention belongs to the field of gear laser repairing, and provides a novel gear repairing device and method based on a high-energy beam, the device comprises a high-energy beam generator, a working head, a base, a powder feeder, an indexing mechanism and a three-axis moving mechanism; a three-axis moving mechanism is arranged on the base, the three-axis moving mechanism is connected with a working head, the output ends of the high-energy beam generator and the powder feeder are integrated on the working head, the working head faces a to-be-repaired gear, and the position of the working head is adjusted through the three-axis moving mechanism so that the output ends of the high-energy beam generator and the powder feeder can face a to-be-repaired area of the to-be-repaired gear; according to the laser high-energy beam repairing technology, the bonding strength of a cladding layer and a base body is high, and the wear resistance of the tooth surface of the gear is improved; during gear repairing, the geometric dimension of a workpiece is recovered, meanwhile, synchronous surface strengthening can be achieved, the comprehensive use performance of the gear is improved, and the service life of the gear is prolonged; and a heat affected zone and thermal deformation of a repaired part are small, and the metal performance of a workpiece matrix is not changed.

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.

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.

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.

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.

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.

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.

1. Name of the product in this design: Visual Coaxial Instrument. 2. Purpose of this design: To detect and calibrate the coaxiality between high-energy beams such as lasers and their exit nozzles. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

To provide a laminate in which a plurality of iron-based bodies and a plurality of oxide bodies are overlapped alternately by laminated molding.SOLUTION: A laminated molded object comprises a laminate in which a plurality of iron-based bodies and a plurality of oxide bodies are arranged while being overlapped alternately. For example, the iron-based body contains Si and / or Al, and the oxide body contains one or more of Fe, Si, Cr, Al, Mn, Mg, Ca, or Ti. As an example, the iron-based body is a soft magnetic material, and the oxide body is an insulator. Such a laminate is obtained, for example, when a molten pool formed by melting a raw material powder by irradiation with a high energy beam is separated into an iron-based liquid phase and an oxide liquid phase, the iron-based liquid phase solidifies to form the iron-based body, and the oxide liquid phase solidifies while surrounding the iron-based body to form the oxide body.SELECTED DRAWING: Figure 4A