32results about How to "Guaranteed shielding effect" patented technology

The invention relates to a pipeline internal detection system and method based on particle ray detection imaging, and the system comprises a ray source and a plurality of detectors which are circumferentially and uniformly distributed around the ray source at intervals. The plurality of particle scattering rays are formed after a plurality of particle incident rays emitted by the ray source are scattered by the wall of the to-be-detected pipeline during detection. The method has the beneficial effects that the design is reasonable, rapid detection of pipeline wall defects, especially tiny defects, can be realized, the pipeline internal detection precision and defect adaptability are improved, and the technical problem of internal detection of tiny complex defects of the pipeline is solved.

The utility model relates to the technical field of medical treatment, in particular to a radiation shielding device and a boron neutron capture therapy system.The radiation shielding device comprises a first shielding layer used for shielding neutron beam scattering and a second shielding layer which has no shielding effect on neutron beams and is used for shielding gamma rays in the neutron beams. The first shielding layer and the second shielding layer are arranged in an attached mode, the first shielding layer is provided with a beam outlet hole allowing a neutron beam to penetrate through, and the position, corresponding to the beam outlet hole, of the second shielding layer is not provided with the beam outlet hole, so that the second shielding layer is kept complete. Wherein the radiation shielding device can effectively protect normal tissues of a patient from being damaged by scattered neutron beams and gamma rays, and the normal tissues are prevented from being damaged by radiation; the method does not need to adapt to body types of patients, is high in universality and does not need to be customized according to body type differences of the patients, cost is remarkably reduced, and economic burdens of the patients are smaller. And direct contact with a patient is not needed, so that the comfort of the patient is better while the shielding effect is ensured.

The invention discloses a network layout design method based on Samsung 4nm, and relates to the technical field of semiconductor layout design. Comprising the following steps: selecting two layers of topmetal to construct a power ground network; a power supply layer and a ground layer are overlapped, the power supply layer is connected with a power supply to form a low-impedance power supply network, and the ground layer is grounded to form a low-impedance ground network; uniformly distributed power supply ground voltage stabilizing capacitors are formed between the power supply layer and the ground layer, and the ground layer is connected with a ground network; according to the invention, the two layers of top metal are arranged in an overlapped manner, so that a low-impedance power ground network and a voltage stabilizing capacitor which are uniformly distributed are formed, a low-impedance grounding network is provided, and noise interference is effectively reduced; a power ground network is constructed, low impedance is achieved, a power ground with higher quality is provided, electromagnetic interference is better restrained through a large number of evenly-distributed shielding networks, and the circuit is protected against the influence of external electromagnetic interference.

This invention discloses a filtering device suitable for mobile phone shielding, comprising a connector, a tube, a first conductive element, a second conductive element, and a tubular ceramic capacitor. The connector includes a metal housing and a conductive core disposed within it. The tube is also made of metal, with its front end connected to the rear end of the connector housing. The first conductive element passes through the tube axially from within it, without contacting the tube. The front end of the first conductive element is connected to the conductive core of the connector. The second conductive element is disposed outside the tube, with its front end connected to the connector housing. The tubular ceramic capacitors are connected in series with the first conductive element, with at least one of them sealing the rear end of the tube. The casing of the tubular ceramic capacitor includes a conductive portion connected to the tube. Compared with existing technologies, this filtering device not only performs better in high-frequency filtering and electromagnetic shielding, but its structural design is also simpler and more practical.

A floating shielding cavity for an ultra-low board spacing connector is arranged between a main board and a daughter board which are connected through the connector and comprises a frame body with a solid structure and a shielding cavity defined by the frame body, and the connector needing to be shielded is located in the shielding cavity. The frame body is of a porous structure formed by winding and weaving metal wires, and intersection points of the metal wires are in contact to form a conductive net. According to the utility model, the axial compression capability in the length direction is realized, and the shielding performance reduction caused by elasticity attenuation can be avoided after long-time use, so that high isolation and shielding between low-spacing PCBs and between signals of small connector products become possible.

The utility model discloses a control device of a mobile phone signal shielding device, which relates to the technical field of mobile phone signal shielding and comprises a mobile phone signal shielding device body and a control panel used for controlling the mobile phone signal shielding device body. According to the utility model, the telescopic end of the electric telescopic rod is controlled to stretch out and draw back, so that the rack is driven to move up and down in the box body, and the plurality of guide vanes are driven to swing up and down through the plurality of gears respectively, so that air flow which is formed by the micro fan and is blown to the control panel is guided, and the heat dissipation area of the micro fan to the control panel is increased; meanwhile, the inner wall of the mobile phone signal shielding device body is cooled, so that the cooling effect of the micro fan on the control panel is improved, it is ensured that the control panel is not prone to being heated and damaged in the process of controlling the mobile phone signal shielding device body, and then long-time normal use of the mobile phone signal shielding device body is ensured; therefore, the shielding effect of the mobile phone signal shielding device body on mobile phone signals is ensured.

The utility model relates to the technical field of control cables, in particular to an environment-friendly high-flame-retardant shielding control cable for special instruments, which comprises a plurality of mutually twisted control wire cores. The plurality of flame-retardant filling strips are filled in gaps among the control wire cores and are wrapped and fixed by a flame-retardant belt to form a cable core with a circular cross section; the outer wall of the cable core is coated with the composite shielding layer; and the outer sheath is extruded on the outer wall of the composite shielding layer. Through the combination of the copper strip shielding layer and the copper wire shielding layer in the composite shielding layer, respective advantages can be exerted on different frequency bands, a comprehensive shielding effect is provided, meanwhile, the elastic deformation space is increased by utilizing the convex structure of the copper strip, the overall flexibility of the cable is high, wiring in frequent bending and narrow space is facilitated, and the cable has a wide application prospect. And meanwhile, the aramid fiber braid layer is utilized to buffer and protect the copper wire braid layer, so that the probability that the copper wires are broken under the action of compression / tensile stress of the cable can be reduced, and the shielding performance of the cable is maintained.

The utility model discloses a wave recording device for recording faults of an electric power system, which comprises a shielding case, an equipment shell is fixedly connected to the outer side of the shielding case, a linkage mechanism is rotatably connected to the equipment shell through a hinge, the linkage mechanism comprises a protection plate, T-shaped plates are fixedly connected to the two ends of the protection plate, and the T-shaped plates are fixedly connected to the two ends of the protection plate. A handle is fixedly connected to the T-shaped plate, a switch button is arranged on the handle, and a hydraulic rod is rotationally connected to the other side of the T-shaped plate. Through the equipment, interference signals generated by external electronic equipment, power lines and other electromagnetic sources can be reduced, the influence on the performance and data quality of the wave recording device is avoided, the accuracy and reliability of the wave recording device are ensured, and under the cooperation of the fixing mechanism and the linkage mechanism, the operation of replacing the internal wave recording instrument is simple, and the working efficiency is improved. And the wire harnesses can be quickly plugged and arranged, so that the wire harnesses are prevented from being wound and the workload is reduced.

The application discloses a preparation method of superfine denier electromagnetic shielding functional chinlon and a product thereof. The chinlon is prepared by mixing 2-7% electromagnetic shielding functional chinlon master batch containing Fe3O4 nanoparticles and 93-98% pure chinlon chips, and then performing drying, melt extrusion, spinning cooling, oiling treatment, drafting setting and winding silk collection. In the preparation process, key parameters such as spinning temperature, filter mesh size, cooling parameter and drafting multiple are optimized, so that the problems of superfine denier fiber spinning breakage, product adhesion and uneven dispersion under high master batch content are solved. The chinlon monofilament fineness obtained by the application is 0.2-0.5 dtex, the breaking strength is greater than or equal to 3.0 cN / dtex, the electromagnetic shielding effectiveness reaches 40 dB in a frequency range of 2000 MHz, the thermal stability is better than that of pure chinlon, and the application is suitable for high-end application scenes such as high-grade clothes, home textiles, electronic protection and filtering materials.

The present invention discloses a radiation-proof curing agent and building materials, wherein the radiation-proof curing agent comprises the following raw materials: 220 to 400 parts of water, 90 to 255 parts of sodium silicate, 10 to 55 parts of sodium hydroxide, 0 to 300 parts of electromagnetic radiation shielding materials, and 0 to 300 parts of neutron shielding materials. The present invention comprehensively utilizes materials such as ilmenite, barite, polyethylene, and boron carbide, and evenly mixes the finely ground radiation shielding materials, activators, and soil materials to form radiation-proof building materials that take into account strength, density, and radiation protection capabilities. The present invention can save construction costs in strong radiation environments such as lunar bases while ensuring that personnel and equipment on the lunar surface are protected from radiation hazards.

The invention provides an unmanned aerial vehicle body electromagnetic shielding evaluation method, which belongs to the technical field of unmanned aerial vehicle electromagnetic shielding, and comprises the following steps: constructing a shielding attenuation calculation model according to the thickness and relative conductivity of a shielding structure, and analyzing the attenuation of electromagnetic shielding of materials with different thicknesses; the material thickness of the unmanned aerial vehicle fuselage shielding structure is adjusted according to the attenuation analysis result; an energy self-adaptive surface is constructed, a periodic grid structure is constructed to realize selective shielding of incident waves, and selective shielding effects of different materials are analyzed; and shielding the effect according to the selectivity. The method has the advantages that the content of high-frequency electromagnetic waves is concerned and focused on screening of shielding objects in the use environment of the unmanned aerial vehicle, the shielding effect of the electromagnetic shielding mechanism of the unmanned aerial vehicle for each frequency domain can be accurately judged through frequency domain shielding effect evaluation, optimization for weak frequency domains is facilitated, and a frequency domain optimization direction is provided.

The utility model discloses a conductive wire mesh based on a non-metal base material, which belongs to the technical field of conductive materials and comprises a wire mesh structure formed by weaving non-metal wires, the non-metal wires are made of carbon fibers, and a conductive layer is arranged on the surface of the wire mesh structure. According to the conductive wire mesh based on the non-metal base material provided by the utility model, the carbon fiber wire mesh structure is compounded with the conductive layer, so that the conductive wire mesh has the advantages that the surface is smoother and not easy to deform while excellent conductivity and electromagnetic shielding performance are obtained.

The application relates to the technical field of residual magnetism detection, and particularly relates to an array type magnetic flux gate arrangement tool which is arranged in a cylindrical magnetic shielding cylinder and comprises a base, a guide rail and a residual magnetism detection component. The base is arranged in the magnetic shielding cylinder and is in contact with the inner wall of the magnetic shielding cylinder, is used for bearing the tool, has two contact parts which are in close contact with the inner wall of the magnetic shielding cylinder, and a main body part is arranged between the two contact parts. The guide rail is arranged on the base and is fixedly connected with the base. The residual magnetism detection component is arranged on the guide rail and cooperates with the guide rail, a plurality of magnetic flux gates are arranged on the residual magnetism detection component, and the residual magnetism of a material to be detected is detected. The application provides a magnetic flux gate arrangement tool which is specially arranged in the magnetic shielding cylinder, the position of a plurality of magnetic flux gates can be synchronously adjusted, the consistency of the positions of the magnetic flux gates before and after adjustment is ensured, and the residual magnetism gradient of the material to be detected can be conveniently detected.

The application discloses a wide-band FSIW-like dual-band filter, which comprises a top metal layer, a middle metal layer, a bottom metal layer, a dielectric layer, a first array of metallized through holes, a second array of metallized through holes, a third array of metallized through holes and an input / output port. The first and second modes of the FSIW-like rectangular cavity are used to construct the first and second passbands of the filter respectively. The width of the rectangular gap at the folding position of the FSIW-like rectangular cavity is changed, so that the resonant frequency of the second mode can be adjusted, and the resonant frequencies of the first and third modes are not changed, thereby effectively improving the stopband bandwidth of the dual-band filter while the frequency of the second passband is independently adjustable.

The utility model provides a graphene composite shielding layer which comprises an installation substrate, an installation groove is arranged on the upper surface of the installation substrate, a partition plate is arranged in the installation groove, a graphene shielding net is arranged on the surface of the partition plate, a heat conduction structure is arranged on the side portion of the installation groove, and a protection cover is arranged on the top of the installation groove. The protecting cover is in contact with the heat conducting structure; by means of the detachable partition plates and the graphene shielding nets, different layers of graphene shielding nets can be installed according to actual requirements, so that the shielding effect is ensured, heat generated by the electronic component can be rapidly transmitted to the outside through the heat conduction structure, and therefore stable operation of the electronic component is ensured.

The utility model belongs to the technical field of electromagnetic shielding, and particularly relates to an electromagnetic shielding door which comprises a shielding door frame, a shielding door leaf and an electromagnetic shielding effectiveness monitor. The electromagnetic shielding effectiveness monitor comprises a transmitting device and a receiving device, the transmitting device is embedded in the inner side of a shielding door leaf, the receiving device is embedded in the outer side of the shielding door leaf, and a clamping frame connected with the transmitting device and the receiving device is fixed in the shielding door leaf. The transmitting device and the receiving device are fixedly connected with the corresponding clamping frames through first bolts respectively; the outer end of the transmitting device and the outer end of the receiving device are each provided with a sealing strip sealed with a door leaf of the shielding door. The shielding effectiveness of the electromagnetic shielding door can be monitored online in real time, so that the shielding door can be rectified or replaced in time when the shielding effectiveness of the shielding door is reduced, and electromagnetic leakage of sensitive information in a machine room is avoided.

This invention discloses a method for preparing a high-density patch inductor blank, relating to the field of patch power inductors. In the prefabrication process, the patch inductor blank undergoes a first-stage pressing and a second-stage pressing. During the first-stage pressing, the current positions of the upper die head and the second lower die head are kept constant. The first lower die head is activated and controlled to press upwards at a first preset pressure. When the powder height on the periphery of the cavity is higher than a preset dimension of powder height at the center of the cavity, the second-stage pressing begins. During the second-stage pressing, the first lower die head continues to press at the first preset pressure, while the upper die head and the second lower die head are activated and controlled to press downwards and upwards respectively at a second preset pressure. When the powder height on the periphery of the cavity is equal to the powder height at the center of the cavity, the pressing pressure of the first lower die head is adjusted to the second preset pressure and held, resulting in a patch inductor blank. This method significantly improves the compaction density and permeability of the inductor blank.

The utility model provides a baffle structure of an air conditioner outdoor unit, which relates to the technology of electrical equipment and comprises a baffle main body, and the baffle main body is provided with a plurality of first mounting holes fixedly connected with a bottom plate and a front plate of the air conditioner outdoor unit respectively. The lower end of the baffle body is further provided with a clamping hook used for being clamped and matched with a flanging of a bottom plate of the outdoor unit of the air conditioner. The baffle main body is provided with at least one reinforcing rib, the baffle main body can replace a shielding part formed by a traditional condenser assembly, the structure is simple, the cost is low, the reinforcing ribs are integrally arranged, the supporting strength of the baffle main body can be further improved, and the overall strength of the air conditioner outdoor unit is further improved.

The utility model discloses a magnetic shielding case, which belongs to the technical field of electromagnetic shielding boxes and comprises a magnetic shielding case body, wiring holes are arranged at the upper end of the side wall of the magnetic shielding case body, a silicon steel plate is arranged on the surface of the magnetic shielding case body, a stainless steel plate is arranged at the bottom end of the silicon steel plate, and a permalloy plate is arranged at the bottom end of the stainless steel plate. A positioning mounting assembly is arranged in the magnetic shielding box main body; according to the utility model, the external part adopts silicon steel with higher saturation magnetic induction intensity to carry out pre-stage shielding, and the middle part adopts stainless steel magnetic insulation materials to carry out magnetic insulation on internal and external magnetic shielding materials, so that the shielding effect of the double-layer magnetic shielding structure is ensured, and the internal layer adopts permalloy with very high magnetic conductivity to carry out post-stage shielding; according to the high-voltage power distribution box, the whole shielding case can be ensured to have excellent shielding performance on an external high-intensity magnetic field, the high-voltage power distribution box can be conveniently and stably positioned and mounted by arranging the positioning and mounting assembly, the use convenience of equipment is improved, and the mounting stability is ensured.

The utility model discloses a high-shielding control cable, which comprises a conductor wire core, and the conductor wire core comprises a wire core body, an inner semi-conductive shielding layer, an insulating layer, an outer semi-conductive shielding layer and a cable protection layer. The outer side of the keel is provided with a conductor wire core, the outer side of the filler is wound with a wrapping tape, the outer side of the shielding layer is provided with a rubber sleeve layer, and the outer side of the inner protection layer is provided with a steel wire armor. According to the high-shielding control cable, the conductor wire core is composed of the wire core body, the inner semi-conductive shielding layer, the insulating layer, the outer semi-conductive shielding layer and the cable protection layer, the shielding effect of the conductor wire core is improved, the conductor wire core monomers can be conveniently fixed, the shielding layer can be conveniently used, and the shielding layer can be conveniently protected through the rubber sleeve layer outside the shielding layer; therefore, the shielding effect of the control cable is ensured, the steel wire armoring outside the inner protective layer enhances the compressive strength of the control cable, the control cable is convenient to use, and the outer protective layer is convenient to protect the steel wire armoring.

An imaging device provided by the utility model comprises a detector module, a shielding structure and a cooling structure used for transmitting a refrigerant to the detector module, the shielding structure comprises a shielding inner cylinder, a shielding outer cylinder and two shielding rings, and the detector module is arranged between the shielding inner cylinder and the shielding outer cylinder. The shielding ring is connected with the end part of the shielding inner cylinder and the end part of the shielding outer cylinder, and the cooling structure is used for cooling the detector module. According to the imaging equipment provided by the utility model, the cooling structure is used for cooling the detector module and rapidly taking out heat generated by electronic devices in the imaging equipment, so that the temperature of the imaging equipment is stable, the imaging performance is stable, the service life of the imaging equipment can be prolonged, and holes are not required to be formed in the surface of the imaging equipment in a larger area for air-cooled heat dissipation; and the shielding performance of the imaging equipment is effectively ensured.

The invention relates to the technical field of cables, in particular to a composite metal foil and a cable material. The composite metal foil comprises a base material layer and a shielding layer which are laminated, wherein the intrinsic viscosity eta of the material of the base material layer is 0.53 dl / g to 0.68 dl / g; the composite metal foil containing the base material layer material with specific intrinsic viscosity can have good elongation and tinning efficiency during welding.

The utility model discloses a shielding sleeve for a radio frequency connector, which belongs to the technical field of radio frequency connectors and comprises a connector body, one end of the connector body is clamped with a transmission line, the outer surface of the transmission line is rotatably connected with a sleeve body, the outer surface of the sleeve body is fixedly connected with a turntable, a limiting groove is arranged in the connector body, and the turntable is fixedly connected with the limiting groove. The outer surface of the sleeve body is fixedly connected with a limiting block, and an L-shaped plate is fixedly connected outside the connector body. According to the utility model, through the arrangement of the sleeve body, the rotating disc, the L-shaped plate, the connecting plate, the bolt and the nut, the shielding sleeve enables a transmission line to realize a rapid assembly function through the sleeve body and the connector body through the cooperation of the L-shaped plate, the bolt and the nut, thereby avoiding the loosening phenomenon in severe environments such as vibration, impact and the like; the shielding effect and the signal transmission quality are guaranteed, and the transmission line is convenient to disassemble and assemble subsequently, so that the subsequent maintenance cost and difficulty are reduced.

The utility model relates to the technical field of offshore photovoltaic panel connection cables, and discloses a special cable for offshore photovoltaic panel connection, which comprises a cable sheath, the cable sheath comprises a corrosion-resistant coating, a corrosion-resistant layer and a main body layer, and the corrosion-resistant coating is positioned on the outer surface of the corrosion-resistant layer. According to the utility model, the cable sheath can be fixed and limited through the arrangement of the fixing assembly, the cable sheath is composed of the corrosion-resistant coating, the corrosion-resistant layer and the main body layer, the strength of the cable sheath is ensured, the corrosion-resistant layer has good corrosion resistance and can resist seawater corrosion, the corrosion-resistant coating increases the corrosion resistance of the outside of the corrosion-resistant layer, and the service life of the cable sheath is prolonged. The main body layer ensures the characteristics of the cable sheath, the shielding layer, the loose tube and the heat-resistant layer are adopted to form the cable core protective sheath, the shielding property and the heat insulation property of the cable core protective sheath are ensured, certain pulling resistance is increased, and the pulling resistance core and the pulling resistance net are adopted to form the pulling resistance wire, so that the pulling resistance of the pulling resistance wire is greatly improved.

The invention discloses an anti-corrosion electromagnetic shielding coating as well as a preparation method and application thereof, and relates to the technical field of electromagnetic shielding. The coating comprises a conductive layer and a magnetic conductive layer, and the magnetic conductive layer is located on the conductive layer. The magnetic conductive layer is prepared on the conductive layer, the thickness of the conductive layer is smaller than that of the magnetic conductive layer, and the electromagnetic wave shielding effect is achieved through the synergistic effect of reflection attenuation of the conductive layer on electromagnetic waves and absorption loss of the magnetic conductive layer on the electromagnetic waves.

This invention discloses a semiconductor device, a fabrication method, a power module, a conversion circuit, and a vehicle. The semiconductor device includes: a semiconductor body comprising a well region and a first region; the first region being configured with a first conductivity type and located on a first surface, and the well region being configured with a second conductivity type and located on the side of the first region away from the first surface; the first surface having at least two trenches arranged at intervals; and at least one third region and at least one fourth region, both of the second conductivity type, and respectively located on the side of different trenches near the second surface; the distance from the third region to its corresponding trench is greater than the distance from the fourth region to its corresponding trench, and the distance between the third region and the fourth region is greater than zero; a gate located in a trench; a source located on the first surface; and a drain located on the second surface. The technical solution provided by this invention maintains low on-resistance and high cell density while suppressing electric field concentration at the bottom of the trench and reducing Miller capacitance.

The utility model belongs to shielding case technical field, concretely relates to a new energy automobile sensor shielding case, including the cover body of integrated structure, elastic buckle and support leg, material selection chooses white copper or tinplate, is made through blanking, bending process, has nickel on the surface electroplating, on the basis of nickel plating layer, electroplating has a layer of bright tin again, the side of cover body is equipped with the reserved hole, the part of cover body connection is shaped to have dovetail block, forms the dovetail groove between every two dovetail blocks, the dovetail block of cover body both ends is alternately distributed, and the elastic buckle is used for reinforcing sensor and cover body fixed strength, is located in the reserved hole, the support leg is L type, and the length end of a section is vertically arranged with cover body, the other section is parallel with cover body, and the lower end of the section of support leg parallel with cover body is equipped with the protruding part, and the vertical mounting hole is equipped in the support leg middle. Through the setting of above-mentioned component, not only shielding case shielding effect is good, and makes the installation fixed effect of shielding case and sensor good while the convenience of dismounting improves, reduces production cost simultaneously.

The present invention relates to the technical field of wiring harnesses for new energy vehicles, specifically to a photovoltaic energy storage high-voltage wiring harness with flame retardant properties and a preparation method thereof. The present invention uses silicon nitride, acetamide aluminum hydroxide ionic liquid, and dopamine hydrochloride as raw materials to prepare polydopamine-coated aluminum oxide / silicon nitride with excellent insulation and electromagnetic shielding properties, and applies it to the insulation layer of the high-voltage wiring harness of new energy vehicles. Compared with the traditional structure of two layers of insulation layer and one layer of shielding layer of the high-voltage wiring harness of new energy vehicles, the high-voltage wiring harness prepared by the present invention greatly simplifies the wiring harness structure and reduces the process flow while ensuring insulation and electromagnetic shielding performance, which is the future development direction of high-voltage wiring harnesses for new energy vehicles.

The application relates to the technical field of cables, in particular to a high-flexibility cable for robots and a preparation method thereof, which comprises a cable core, the cable core comprises a gear shaft, a gear ring, a gear set and a protective layer; the gear set comprises a plurality of signal wire core unit groups; the gear ring comprises a plurality of control wire cores and a reinforcing core which is distributed in the middle and is equally divided into three parts; the gear shaft comprises a rhombic support bracket, a main wire core which is distributed around the rhombic support bracket in a ring shape, and a disturbance layer; the two sides of the gear ring are in a ring interlocking mode with the gear shaft and the gear set and do not interfere with each other; the surfaces of the rhombic support bracket, the gear shaft, the gear ring and the gear set are uniformly coated with a release film; and the protective layer is formed by using a mutual fusion extrusion process. The signal wire core and the control wire core, the main wire core do not contact each other, the ring interlocking structure of the gear shaft, the gear ring and the gear set makes the cable have high flexibility, anti-torsion and bending fatigue resistance, and the cable also has excellent oil stain resistance, aging resistance and good heat dissipation performance, thereby providing a solid guarantee for stable operation of the robot.

The present invention belongs to the technical field of preparation of particle-reinforced aluminum-based composite materials, and specifically relates to a high-plasticity gadolinium-containing aluminum-based composite material, and its preparation method and application. The present invention transforms the crystal form of gadolinium oxide powder by powder pretreatment, refines the powder particles by ball milling, and then combines hot isostatic pressing and rolling hot deformation processes, thereby significantly improving the comprehensive mechanical properties of the composite material such as elongation while ensuring the thermal neutron shielding ability. The high-plasticity gadolinium-containing aluminum-based composite material (Gd2O3 / 6063Al) prepared by the method disclosed in the present invention has a density greater than 99.5%, a room temperature tensile strength greater than 200MPa, a yield strength greater than 140MPa, and an elongation of 10%-17%. It is a composite material with excellent comprehensive performance and has great application potential.