24 results about "Composite element" patented technology

The invention relates to the technical field of computer-aided material design, in particular to a material chemical formula generation method based on performance sensitivity self-adaptive stratified sampling, which comprises the following steps: inputting an element list; querying a performance sensitivity knowledge base to obtain a sensitivity level and an adjustment factor; analyzing the composite elements, extracting multi-dimensional element features, and quantitatively calculating element combination complexity; based on the element number, the sensitivity and the complexity, a corresponding sampling strategy is adaptively selected, and the sampling amount is dynamically allocated; generating a chemical formula and de-weighting; and outputting a chemical formula list and full-process metadata. Through innovation of resource allocation driven by performance sensitivity, composite element atomic-scale analysis, feature space clustering and the like, on the premise that sampling representativeness and chemical rationality are guaranteed, the calculation efficiency is improved by dozens of times to hundreds of times, the response time is reduced to the second level or the minute level, and the method has the advantages of being traceable, extensible and high in universality and has wide application prospects. And the material screening and discovery process is effectively accelerated.

The present application relates to the technical field of metal-based gradient composite materials, and particularly relates to a Fe-doped modified W-Ti gradient composite material and a preparation method and application thereof. The method comprises the following steps: preparing casting elements with different components by a casting method, wherein the casting elements at least comprise W-Ti-Fe composite elements and W-Ti composite elements; stacking the casting elements according to a preset gradient structure, removing glue, and hot-pressing sintering to obtain a Fe-doped W-Ti gradient composite material. The material has a six-layer gradient structure, which comprises a W-Fe layer, a W-20Ti-Fe layer, a W-40Ti-Fe layer, a W-60Ti layer, a W-80Ti layer and a Ti layer in sequence, wherein the first three layers are doped with 0.4% to 1% of Fe by layer mass. The present application effectively solves the problem of insufficient densification at the high-W end by doping a small amount of Fe at the high-W end with a high W content, and the obtained composite material has high density, uniform gradient structure and clear interface, and the quasi-isentropic loading path is highly consistent with the theoretical design, and can be used in the fields of national defense and military industry, aerospace, deep sea exploration and the like.

The present invention relates to an intermediate composite element (200) comprising at least one molded part (300) comprising a mass of reinforcing fibers embedded in a thermosetting polymer matrix, and at least one dry stack (400) of reinforcing fiber layers comprising at least one porous polymer layer interposed between two successive reinforcing fiber layers, characterized in that the molded part (300) is applied to the surface of the stack and bonded to it, and the thermosetting polymer penetrates from the surface of the dry stack (400) to which the molded part (300) is applied through part of the thickness of the dry stack (400), thereby providing a bond between the dry stack (400) and the molded part (300). The present invention also relates to a process for its production, a process for producing a composite part using such an element, and the resulting composite part.

A composite element (2, 2a) with a sound-reducing effect is provided. The composite element (2, 2a) comprises: a substrate (4), a lacquer layer (6) bonded to the substrate (4) and containing cork powder (12), and a top layer (14) bonded to a side of the lacquer layer (6) facing away from the substrate (4).

This invention provides an ultrasonic bonding apparatus that reduces the probability of slippage between chips and workpieces, and between workpieces, thereby improving the quality of bonding. [Solution] The excitation operation of the ultrasonic composite element is controlled according to an amplitude instruction Qcmd that maintains the amplitude Q at an initial amplitude Qint = 0th designated amplitude Q0, while the translational operation of the ultrasonic bonding tip is controlled so that the translational speed V decreases while maintaining the translational speed V at the ith designated speed Vi (0≦i≦n) from the 0th designated speed V0 to the nth designated speed Vn (n=1). The excitation operation of the ultrasonic composite element is controlled according to an amplitude instruction Qcmd that maintains the amplitude Q at an initial amplitude Qint = 0th designated amplitude Q0, while the translational operation of the ultrasonic bonding tip is controlled so that the translational speed V increases while maintaining the translational speed V at the jth designated speed Vi (n≦i≦m) from the nth designated speed Vn to the mth designated speed Vm (m=2) as the final speed Pend.

The invention relates to the field of graphite-phase-like carbon nitride materials, and discloses modified graphite-phase carbon nitride and a preparation method and application thereof, and the modified graphite-phase carbon nitride contains carbon defects and nitrogen defects. On the basis of the total content of all elements in the modified graphite phase carbon nitride, the molar ratio of the content of the carbon defects to the total carbon content is (0.2-0.4): 1, and the molar ratio of the content of the nitrogen defects to the total nitrogen content is (0.3-0.4): 1. According to the method, only urea is used as a raw material for synthesizing graphite phase carbon nitride, more doping and composite elements are not introduced, graphite phase carbon nitride is modified only through the high-temperature pyrolysis process and the pyrolysis additive, the modified graphite phase carbon nitride product with the large specific surface area is obtained, and the method has the advantages that the raw materials are easy to obtain, the cost is low, and the preparation process is simple.

The present application relates to the technical field of computer-aided material design, in particular to a material chemical formula generation method based on performance sensitivity adaptive hierarchical sampling, which comprises the following steps: inputting an element list; querying a performance sensitivity knowledge base to obtain sensitivity levels and adjustment factors; analyzing a composite element and extracting multi-dimensional element features, and quantitatively calculating element combination complexity; based on the number of elements, sensitivity and complexity, adaptively selecting a corresponding sampling strategy and dynamically allocating a sampling amount; generating a chemical formula and removing duplicates; and outputting a chemical formula list and full-process metadata. Through the performance sensitivity driven resource allocation, composite element atomic level analysis, feature space clustering and other innovations, the present application improves the computing efficiency by tens to hundreds of times, reduces the response time to seconds or minutes, and has the characteristics of traceability, scalability and strong universality, effectively accelerating the material screening and discovery process.

The invention belongs to the technical field of vibration reduction of vibrating screens, and particularly relates to an elastic suspension damping system of a vibrating screen and a dynamic parameter analysis method of the elastic suspension damping system. The elastic suspension damping mechanism is connected between the whole screen vibration part and the whole screen base in a suspension manner; the elastic suspension damping mechanism comprises a supporting spring and a damper. According to the system, the damping element is introduced into the elastic suspension damping system, due to the addition of the damper, an original single linear element or a single nonlinear element is added into a composite element formed by combining the elastic element and the damping element, and the vibration reduction effect of the system is greatly improved.

A composite element with sound reduction effect is provided. The composite element comprises: a carrier plate, a lacquer layer joined to the carrier plate, which contains cork powder, and a covering layer which is joined to a side of the lacquer layer facing away from the carrier plate.

A composite element and a method of manufacturing the same. The composite element comprises a first skin plate and second skin plate, which are manufactured as separate pieces and are assembled in a separate phase. At least the first skin plate comprises several protrusions on an outer surface of the plate. The protrusions serve as local stiffeners and are further stiffened by means of one or more additional composite structures arranged inside the protrusions.

The invention discloses a selective light filtering liquid material, a preparation method and a light filtering element. The liquid material is a homogeneous-phase or semi-homogeneous-phase coatable dispersion system, and comprises the following components in parts by mass: 35-55 parts of a polyurethane flexible matrix, 15-25 parts of a polyether modified organic selective light absorption material, 8-15 parts of a nano titanium oxide dispersion phase, 10-20 parts of an acrylate-reinforced polyurethane hard film-forming component, 3-8 parts of a polyurethane bonding aid and the balance of a solvent. According to the invention, the polyether chain segment modified light absorption material and the surface-treated nano titanium oxide are compounded, so that the dispersion stability of functional components in a resin matrix is remarkably improved, and the problems of high haze, easiness in precipitation and poor mechanical property of a traditional filtering coating are solved. The light transmittance of the coated and cured composite element at the wave band of 200nm-505nm is less than or equal to 5%, the light transmittance at the wave band of 600nm-1000nm is greater than or equal to 80%, and the composite element has high hardness (greater than or equal to 2H), strong adhesive force and excellent damp-heat aging resistance, and is particularly suitable for red light windows of beauty instruments and photoelectric sensing equipment.

The invention relates to the technical field of fish marking and tracking, and discloses a scleroderma fish marking method based on multi-element composite marking. The method specifically comprises the following steps: marking the sclerobone fish for two or more times by adopting a plurality of marking elements, and introducing the marking elements into the sclerobone fish body, so as to form a composite element fingerprint spectrum formed by a plurality of marking peaks in the otolith of the sclerobone fish. And then, scanning along the growth axis of the otolith through electron probe microscopic analysis (EPMA), analyzing the position, intensity and width characteristics of a mark peak, and realizing high-resolution identification and tracking of an individual or a group. According to the method, the stable and recognizable compound element fingerprints can be formed in the otolith by reasonably designing element types, concentration gradients and processing time, and the method is suitable for multiple scenes such as fish population dynamic monitoring, fishery management and species protection.

The application relates to a preparation method of a high-abundance cerium magnet, and belongs to the technical field of rare earth permanent magnet materials. The method is used to solve at least one of the problems that the performance of the high-abundance cerium magnet prepared by the existing method is uneven, low cost and performance improvement cannot be simultaneously considered, the preparation process is unstable, the process is complex, and the production cost is high. In the application, the total amount of Ce / rare earth is controlled in a high proportion, and the component design of the composite element addition and the size of the rapid solidification casting piece and the particle size control of the fine powder are combined. The magnet prepared by the application can balance the cost and the performance, the controllable replacement of the typical praseodymium-neodymium element by the low-price high-abundance rare earth element is realized under the condition that the proportion of Ce is greater than or equal to 50%, the cost of the sintered magnet is maximally reduced, the formation of the soft magnetic impurity phase of the cerium magnet is inhibited through component optimization, the grain boundary phase structure is stabilized, and the high-abundance cerium magnet with high magnetic performance is obtained.

The present invention relates to a magnetic device (11) configured to generate a uniform magnetic field in a specific region (115) having spatial components B along the X, Y, and Z axes of a Cartesian reference system. x B y and B z The magnetic field is adjustable in intensity and three-dimensional spatial direction. The magnetic device (11) is mounted on an additive manufacturing equipment to enable magnetically assisted 3D printing of composite components. The magnetic device (11) includes: a nested concentric inner Hellbeck cylindrical array (111) and an outer Hellbeck cylindrical array (112), which share a common rotation axis oriented along the Z-axis. Each inner Hellbeck cylindrical array (111) and outer Hellbeck cylindrical array (112) generates a uniform magnetic field of equal intensity B0. The inner Hellbeck cylindrical array (111) and outer Hellbeck cylindrical array (112) allow the generation of a composite magnetic field in the XY plane, which has a spatial component B. x and B y The inner Hellbeck cylindrical array (111) and the outer Hellbeck cylindrical array (112) are mounted to rotate about their common axis of rotation to achieve adjustability of both the strength and spatial orientation of the composite magnetic field in the XY plane; a solenoid (113), positioned within the core of the inner Hellbeck cylindrical array (111) and having a rotation axis aligned with the common axis of rotation of the inner Hellbeck cylindrical array (111) and the outer Hellbeck cylindrical array (112), generates and modulates the spatial component B along the Z-axis. z The magnetic field, the specific region (115) is located in the core of the solenoid (113).

The invention discloses a full-automatic production process of a GMOV composite element, and belongs to the technical field of automatic manufacturing of electronic elements. According to the method, lead forming and tinning, positioning and leveling, visual guiding element assembling, controllable atmosphere preheating and selective welding, AI intelligent detecting and sorting, cleaning and double-coating coating and full-process data tracing are sequentially carried out. According to the technology, through full-process automatic integration, the defects that in a traditional production mode, procedures are dispersed, manual operation is relied on, the positioning precision is low, and quality fluctuation is large are overcome, and high-precision assembly and high-reliability welding are achieved. And meanwhile, intelligent quality detection and cloud data tracing are combined, so that the production efficiency and the product consistency and reliability are remarkably improved, the full-life-cycle quality management of a single product is realized, and the method is suitable for large-scale and high-quality manufacturing requirements of GMOV elements.

1 / 1 ABSTRACT “METHOD FOR FORMING A COMPOSITE ELEMENT THAT HAS DISCONTINUOUS REINFORCEMENT FIBERS, DEPOSITION OF LAMINATED COMPOSITE STRUCTURE, AND APPARATUS FOR DEPOSITING A COMPOUND STRUCTURE†Interlaminar elements of a composite structure are deposited by placing and directing individual segments of chopped fiber pre-preg onto a substrate.

The invention relates to a facility (1) for the continuous manufacture of an elongate composite element (EF) comprising a multifilament fibre bundle impregnated with a composition based on a polymerisable material, the facility (1) comprising an impregnation chamber (14) filled with a composition based on a polymerisable material and configured to impregnate a multifilament fibre bundle (E0) with the composition and to form a first impregnated monofilament (E1). The impregnation chamber (14) comprises at least one pressure-varying device (17) configured to produce a pressure variation along the longitudinal axis (X-X') of the facility (1). The facility comprises a first radiation device (18) for pre-polymerising the first impregnated monofilament (E1) and forming a pre-polymerised monofilament (E2), and a second radiation device (18) for carrying out a final polymerisation of the pre-polymerised monofilament (E2).

A composite element (6), such as a wind turbine blade, is disclosed comprising a stack (20) of at least two fiber mats (13) consisting of oriented fibers (18) embedded in a matrix of a cured acid cleavable resin (14). The fibres (18) of each fibre mat (13) are fixed relative to each other by first fixing means (19) made of a first material, and the at least two fibre mats (13) are fixed relative to each other by second fixing means (16) made of a second material. The second material of the second fixture (16) is an acid cleavable material. The composite element (6) is highly recoverable by exposing the composite element (6) to an acid-containing release agent (11). The invention further relates to a method for producing such a composite element (6) and to a method for detaching such a composite element (6).

The invention relates to a method and a device for testing the optical properties of an optical composite component (1), wherein the composite component (1) comprises a plurality of interconnected transparent elements (8) and reflective layers (9), wherein the transparent elements (8) and the reflective layers (9) are arranged such that light coupled into a coupling section (4) in a first segment (3) of the composite component (1) with several transparent elements (8) is split into a plurality of first partial beams (41), which are guided along different paths in the composite element (1), and wherein the first partial beams (41) are partially reflected multiple times in a second segment (5), also with several transparent elements (8), such that several second partial beams (42) emerge from a side surface (11) by the partial reflection, wherein - the second partial beams (42) are detected by means of a detector (12), and - a quality factor is determined from the signals of the detector (12) for several second partial beams (42), and wherein - the several second partial beams (42), from whose signals the quality index is determined, are preferably selected according to an aggregation rule such that the quality index can be assigned to a specific part of the composite component (1).