278 results about "Fiber orientation" patented technology

The invention discloses a melt spinning cooling system which comprises a spinning box, a cooling cylinder section, a first heating assembly, a second heating unit and a recovery part, the first heating assembly outputs trace hot nitrogen, anti-oxidation protection of melt trickles is achieved, the oxidation risk possibly caused by direct contact of a traditional cooling medium is avoided, and the cooling efficiency is improved. Meanwhile, the second heating unit is matched to regulate and control the temperature of the cooling cylinder section, so that the whole-process temperature accurate control from oxidation prevention to high-temperature natural cooling and the high-temperature natural cooling and cold air supply-free operation process are realized, and the solidification orientation length and process of the melt trickle can be actively lengthened by combining gradient process temperature control; different from the defect of insufficient orientation caused by too fast cooling in the prior art, key conditions are provided for optimization of a fiber orientation structure; due to the coaxially stacked cooling cylinder sections and nitrogen recovery operation, a stable cooling environment is constructed, fiber shaking is avoided, the nitrogen utilization rate and the environmental safety are improved, and the process stability and economical efficiency are balanced.

The invention provides a prepreg thickness uniformity analysis method based on deep learning, and the method comprises the steps: obtaining fiber orientation staggering data in a prepreg multi-layer lamination process, collecting a fiber angle distribution image, and generating a first fiber distribution diagram; extracting fiber orientation staggering characteristics from the first fiber distribution diagram, and separating different angle regions to obtain fiber angle distribution; analyzing the non-uniform resin flow condition according to the fiber angle distribution, and generating a resin flow distribution diagram containing the positions of resin extrusion tiny bulges; based on the resin flow distribution diagram, in combination with gradual adjustment data of lamination pressure of multiple layers of prepregs from low to high, simulating the influence of pressure change on the interlayer fitting degree, and generating a first fitting degree distribution diagram fused with resin flow information; based on the defect position and severity distribution map, combining real-time thickness measurement data to predict thickness distribution deviation caused by interaction of tiny protrusions and bubbles, and generating a first thickness distribution map;

The invention relates to the technical field of equipment processing, in particular to a ship board processing equipment control method and system.The method comprises the steps that the fiber rolling direction of a board to be processed is detected, and an initial processing track is generated in combination with a target contour; inputting the initial processing track into a fiber-track coupling model, and outputting a notch quality prediction parameter; and optimizing an initial processing track according to the cut quality prediction parameters, generating a tear-resistant processing track and controlling an execution mechanism to operate. According to the method, on the basis of coupling of material mechanical properties and machining dynamics, the prediction precision and the local response identification capability are remarkably improved, the notch quality defect caused by small-angle cutting, excessive curvature or vibration excitation is effectively avoided, a scientific basis is provided for trajectory optimization, and the method is suitable for large-scale popularization and application. And the stability and the flexible control capability in the machining process are improved, the cleanliness and the structural integrity of a final plate notch are remarkably improved, and the good industrial application value and the good popularization prospect are achieved.

The invention relates to the technical field of meat slitting optimization, in particular to an intelligent mutton slitting path optimization method and system.The method comprises the following steps that three-dimensional grids and muscle fiber data are obtained, geometry and fiber vectors are fused to calculate an optimal cutting vector field, cutting consistency areas are divided through K-means clustering, and then the optimal cutting vector field is obtained; and determining a regional reference attitude to optimize an internal path, and finally connecting each regional path by using spherical linear interpolation to generate a global cutting path. According to the method, a cutting vector field is generated through fusion of a three-dimensional surface grid and a muscle fiber tensor field and weighting of a geometric normal and a fiber direction, a shape and an internal structure are considered in planning, and continuous smooth transition is formed based on direction similarity clustering and attitude transition trajectory spherical interpolation. And direction coordination and movement coherence of global cutting are kept between areas, deviation and posture sudden change are reduced, the operation stability and slitting precision of a cutter are improved, and machining consistency and structural fidelity are enhanced.

The invention discloses a composite shell structure topology and fiber angle optimization and equal-interval path generation method. The invention relates to the field of topological optimization and continuous fiber reinforced composite material additive manufacturing, and aims to solve the problem that continuous, equidistant and manufacturable fiber paths are difficult to obtain for a composite shell structure in the prior art. According to the method, based on isogeometric analysis and a Riisner-mindlin shell theory, with flexibility minimization as a target, topology and fiber angle collaborative optimization is carried out on a curved surface shell structure, and a macroscopic topology form and unit fiber orientation are obtained. And extracting an optimized structure boundary and mapping the optimized structure boundary to a parameter space, constructing a grey-scale map through a density field to identify a parameter space boundary, performing fairing by adopting an NURBS curve, and then mapping the optimized structure boundary back to a physical space to form a smooth space boundary. And extracting a structural skeleton in the parameter space and mapping the structural skeleton to a physical space. And based on the smooth boundary and the skeleton, generating a space fiber path meeting the equidistant requirement.

The invention relates to the technical field of concrete electric pole manufacturing, and discloses a method and system for manufacturing a centrifugal electric pole based on high-performance steel fiber reinforced anti-crack concrete. The method comprises the following steps: collecting raw material performance index data including concrete rheological characteristics, steel fiber distribution and matrix strength data; an electric pole forming multi-scale coupling model is constructed through a material simulation platform; identifying fiber orientation characteristics according to steel fiber distribution data, comparing the fiber orientation characteristics with a fiber distribution-doping demand mapping table, judging whether to adjust a fiber doping strategy or not, and starting a manufacturing parameter decision process if the fiber doping strategy needs to be adjusted; stirring, centrifugal forming and maintenance parameters are extracted from preset rules in combination with performance index data, and details such as the fiber feeding time sequence, the rotating speed and the temperature and humidity gradient are determined; the model is used for simulating the whole manufacturing process, related indexes are output to evaluate the proportion, parameters and quality stability, an instruction optimization process is generated, and the manufacturing scientificity is improved.

The invention discloses a method for establishing a concrete in-situ mesoscopic finite element model based on a CT (Computed Tomography) scanning technology, which is applied to the technical field of mesoscopic simulation of a concrete structure. The method comprises the following steps: firstly, performing XCT scanning on a steel fiber ultra-high performance concrete test piece to obtain a two-dimensional sequence image of an internal structure of the steel fiber ultra-high performance concrete test piece; then, image processing is carried out through Avizo software, and three-dimensional space distribution information of a base body, steel fibers and pores is segmented and extracted; on the basis of the three-dimensional information, a Python program is utilized to generate a finite element mesh, an eight-node hexahedron unit is adopted in a model, and the established model can accurately reflect real mesoscopic characteristics such as fiber orientation, distribution and pore defects.

The invention provides a 4D printing path planning method based on fiber orientation and layering sequence, and relates to the technical field of intelligent additive manufacturing, and the method comprises the following steps: designing a two-dimensional plane precursor model according to a target three-dimensional structure, and dividing a deformation area and a non-deformation area; differentiated printing paths and material layouts are planned for different areas, material anisotropy is programmed by setting the movement angle of a printing spray head, and the stacking sequence and the thickness proportion of material layers are controlled; a multi-material composite printing process is adopted, PLA is deposited in the deformation area, and PETG is deposited in the non-deformation area; and finally, applying thermal stimulation at 70-75 DEG C to the component, so that the component is autonomously deformed into a three-dimensional functional component from a two-dimensional plane. Structural integrated manufacturing is achieved, deformation is accurate and controllable, interface combination is reliable, and the light weight and assembly efficiency is remarkably improved.

The invention relates to an intelligent water pressure control method and system for a spunlace non-woven fabric production line, and belongs to the technical field of non-woven fabric production. The method comprises the steps that a fiber web surface image, a fiber web operation speed value, a water flow temperature value and a water pressure fluctuation signal are collected; extracting a fiber distribution density characteristic value and a fiber orientation angle characteristic value according to the fiber web surface image; based on the fiber-water pressure characteristic mapping database, extracting a reference pressure set value; performing frequency domain analysis on the water pressure fluctuation signal, calculating a water flow dynamic viscosity compensation coefficient according to the water flow temperature value, and outputting a comprehensive disturbance compensation vector; inputting the data and a pressure data sequence of a historical preset time period into a long short-term memory neural network model, and outputting a pressure predicted value sequence; and solving an optimal pressure set value, calculating a deviation absolute value according to the optimal pressure set value and an actual pressure detection value, and generating a corresponding water pressure adjusting instruction. The water pressure self-adaptive adjusting device can realize water pressure self-adaptive adjustment in the production process of spunlace non-woven fabrics.

The invention relates to the technical field of curved surface forming of fiber composite materials, in particular to a fiber composite material curved surface multi-point flexible gas-assisted hot pressing pressure control method and system.The method comprises the steps that the fiber direction is obtained by obtaining a design mold, and a deformation mismatching area is determined according to the fiber direction and the obtained airbag deformation direction; according to the method, a deformation mismatch area is obtained, a mismatch dynamic control network is constructed to carry out adaptive adjustment on the deformation mismatch area, local pressure compensation is carried out according to obtained adaptive adjustment feedback, and finally, the mismatch dynamic network is controlled by collecting a mold gap and a gap fitting standard. The problem of deformation mismatch caused by elasticity modulus difference in the primary and secondary directions of the fibers is effectively solved, and the direction and position accuracy of the fibers in the forming process is ensured through dynamic adaptive adjustment of a deformation mismatch area, so that the structural integrity and the mechanical property of a formed object are improved, the pressure can be more accurately controlled, and the production efficiency is improved. The requirements of complex mold curved surfaces and fiber layout are met, and the forming precision is improved.

The invention provides a composite material fan blade bending fracture forecasting method and device based on near-field dynamics and a storage medium, and belongs to the technical field of composite material structural mechanics and computational mechanics, and the method comprises the steps that a dangerous fan blade section under a preset load is determined; fan blade curves are integrated, an initial plane grid is created, polynomial fitting is carried out on discrete points, plane bending is carried out on transition area smoothing, meanwhile, error control is carried out at the large number position of the blade end, fan blade parameterized modeling is achieved, and the laying layer fiber direction is set; boundary conditions are applied, meshless discretization is carried out based on near-field dynamics, a material point motion equation is obtained, a near-field neighborhood is constructed, a family of each material point is searched, and a family member list is formed. The method is applied to bending deformation simulation of a large structure such as a fan blade section and damage simulation caused by deformation, modeling of the laminated plate is simplified by taking a single-layer material point as a laying layer, and natural crack propagation simulation is realized in combination with critical bending angle damage characteristics.

The invention belongs to the technical field of structure optimization design, and particularly relates to a fiber composite failure safety topological optimization design method and system under a dynamic load, and the method comprises the steps: defining a design domain and related design parameters based on the stress working condition and geometric characteristics of a to-be-optimized structure; carrying out transient dynamic analysis and constructing an equivalent static load for topological optimization, constructing a multi-local failure working condition by taking material density, angle subinterval selection and a fiber angle as design variables, introducing an equivalent directional stiffness matrix continuously related to the fiber angle, and aggregating a multi-working-condition flexibility target by adopting a normalized KS function; failure safety topological optimization iteration and internal and external circulation convergence judgment are carried out in combination with a moving asymptote method, and collaborative optimization of structural topology and fiber orientation is achieved under the dynamic load condition. The problem that it is difficult to consider structural redundancy, failure safety and fiber orientation collaborative design in fiber reinforced composite topological optimization under the dynamic load is solved, and structural safety redundancy and local damage resistance are improved.

The application relates to the technical field of fiber direction simulation, in particular to a composite material fiber direction simulation modeling method and system. The method comprises the following steps: collecting a fiber laying track, correcting the bending radius and unit tangent direction of a path point, and obtaining a fiber laying corrected track; constructing a first direction distribution map according to the tangent direction of each path point in the fiber laying corrected track; analyzing the coverage range of each path in the first direction distribution map on a component curved surface, identifying a curved surface overlapping and crossing area, and calculating an included angle adjustment amount of a direction vector; dividing the first direction distribution map into finite volume units, so as to obtain a second direction distribution map; and performing fiber direction simulation verification according to the second direction distribution map and in combination with preset material anisotropy properties, so as to obtain a fiber direction simulation result. The application is helpful to improve the spatial accuracy of fiber direction modeling and the consistency of simulation prediction.

Methods of performing a curve-wise flattening to determine a two-dimensional ply shape are presented. Curves are traced on a first tensor product spline representing a three-dimensional part surface. The curves are reparameterized onto a parametric domain representative of a two-dimensional space. The curves are mapped to a second tensor product spline representing a flat table space while maintaining lengths of the curves between the first tensor product spline and the second tensor product spline in the curve-wise flattening to form a flattened shape, such that resulting table-space flattened curves are parallel straight lines in a desired fiber direction.

The invention relates to an oriented carbon fiber composite material and a preparation method and application thereof, and the preparation method comprises the following steps: carrying out calendering orientation on a silicon rubber mixture containing carbon fibers to form a calendered film, carrying out primary curing, carrying out same-orientation laminated assembly, carrying out secondary curing, and cutting along a direction perpendicular to the orientation to obtain the oriented carbon fiber composite material. And the thickness of the calendering film is less than or equal to 600 microns. The orientation degree of the carbon fibers in the oriented carbon fiber composite material provided by the invention is high, and the heat-conducting property is good.

The invention discloses a preparation method of a PE bulletproof plate. The preparation method comprises the following steps: S1, preparing materials; s2, laminating and laying: pre-stretching or pre-heating the UHMWPE fiber non-woven cloth before laying by adopting a cross laying structure (1); (2) cleaning the mold, and laying a layer of demolding cloth; (3) a first layer of UHMWPE fiber non-woven cloth is laid, the fiber direction is set to be 0 degree, then a layer of resin film is laid, a second layer of UHMWPE fiber non-woven cloth is laid, the fiber direction is rotated by 90 degrees and is perpendicular to the first layer, and the steps are repeated; a multi-stage temperature-pressure curve is adopted in the hot press molding stage, the porosity can be effectively and remarkably reduced, the interlaminar shear strength (ILSS) is improved, the product size stability is extremely high, a cooling curve is designed according to the crystallization dynamic characteristics of resin during cooling, slow cooling is achieved in the crystallization temperature interval, and the product quality is improved. The resin is promoted to form a more perfect crystal structure with a more uniform size.

This invention discloses a method, system, and device for measuring the orientation of nonwoven fibers, belonging to the field of nonwoven fabrics. The method binarizes a color image of the nonwoven fabric to extract the fiber skeleton. Based on this, a T-shaped corner detection algorithm is used to determine the intersection points of the fiber skeleton. A fiber length constraint algorithm is used to limit the length of the skeleton segments, and a fiber projection algorithm is used to calculate the projected length of the skeleton segments, thereby determining the orientation of each length-constrained skeleton segment. The T-shaped corner detection algorithm used in this invention can accurately handle fiber skeleton intersection points, the fiber length constraint algorithm can effectively avoid interference from long fibers on orientation measurement, and the fiber projection algorithm can accurately calculate the projected length of the fibers. These three algorithms together make the measurement of nonwoven fiber orientation more accurate and efficient, and are applicable to various types of nonwoven materials.

The present application relates to a kind of humidity response actuator and its preparation method and application, belong to actuator technical field.The humidity response actuator of the present application is double-layer film structure, including humidity response active layer and humidity response inert layer;The humidity response active layer is made into nanofiber membrane by electrospinning technology to hydrophilic polymer material, the nanofiber membrane has orientation structure;The humidity response inert layer is non-hydrophilic polymer film adhesive tape.The humidity response actuator of the present application due to the orientation structure of fiber, the deformation of humidity response actuator only occurs in fiber orientation direction, so it can be designed fiber orientation direction and the relative change of shape direction of humidity response actuator, realize the design and programming of humidity response actuator deformation mode.

The application provides a continuous fiber reinforced composite material additive manufacturing stiffened structure impact resistance design method, B-spline parameterization characterization is performed on a macroscopic topological distribution pseudo-density field and a microscopic fiber orientation fiber direction field, and B-spline control parameters are used as optimization design variables; impact resistance topology optimization based on an equivalent static load method is adopted, dynamic nonlinear analysis is performed through external circulation, and the stiffened topology and the fiber direction are cooperatively optimized under the equivalent static load through internal circulation, so that the stiffened structure topology distribution and the fiber direction distribution are obtained; then, the B-spline parameter field is mapped to a physical space reconstruction grid, and the topological and fiber direction representation of the physical space is obtained; finally, a continuous path planning algorithm based on a vector field is used to generate a one-stroke continuous printing path. The application solves the problem that the existing method is difficult to consider dynamic impact response modeling, fiber path continuity control and additive manufacturing process constraints, and cooperatively improves the impact resistance performance and manufacturability.

The invention discloses a two-stage annealing heat treatment process method for a PA6-CF short fiber reinforced nylon fused deposition forming part, which is used for obtaining better fiber orientation consistency and better crystallinity and improving the tensile property of the forming part. The method specifically comprises the following steps that firstly, a PA6-CF additive part is annealed for 5 h at the temperature of 150 DEG C; and then, the workpiece subjected to first-stage annealing is annealed at 200 DEG C for 7 h. Through the two-stage annealing treatment, the tensile modulus of the workpiece can reach 9.0 GPa and is remarkably improved compared with that of single-temperature annealing treatment, and the surface of the workpiece is smooth and free of remelting deformation. According to the method, the influence of fiber orientation and the crystallization rate on the tensile property is effectively integrated, the tensile modulus of the part is effectively improved within the annealing time range, and a better solution is provided for annealing treatment of the PA6-CF additive part.

The invention relates to an assembly (1) comprising at least a first composite component (2) made of a ply (4) of unidirectional fibre layers (41, 42, 43, 44, 45) in a thermoplastic or thermosetting matrix, the component (2) being intended to be connected to a second component (3) by means of a connection region (21), the support edge (22) of the component (2) being in contact with the support edge (32) of the second component (3), the assembly (1) comprises means (5) for connecting the first part with the second part. In the vicinity of the connecting area, the first part is composed of a laying layer (4), the laying layer is formed by stacking one-way layers (41, 42, 43, 44 and 45), and the fiber orientation angles of every two adjacent one-way layers are different. At least one cavity (6) is arranged in the first part in the vicinity of the connecting region, is parallel to the contact surface and is arranged in a direction perpendicular to the direction of the unidirectional layer (41, 42, 43, 44, 45); according to the invention, at least one hole (7) perpendicular to the contact surface is provided, starting from its supporting edge (22) and opening into the cavity (6) for receiving a threaded element (51), while the cavity and the second part (3) serve as a support for fastening elements (52, 53). The hole (7) can also be drilled along an axis inclined relative to the contact surface.

This invention provides a method for predicting the fiber orientation distribution of short-fiber reinforced resins, which enables structural analysis that simply considers the fiber orientation of the resin without performing flow analysis. [Solution] A method for predicting the orientation distribution of fibers contained in an injection-molded product of short fiber-reinforced resin having a skin layer and a core layer by simulation, comprising: an analysis model creation step of creating an analysis model for a virtual object using CAE analysis software based on the finite element method (S1); a step of performing a transient thermal analysis based on thermal analysis conditions including information on the gate position where the resin is injected, and predicting the flow direction of the resin from the heat flow direction obtained by the transient thermal analysis (S2, S3, S4); and a fiber orientation tensor calculation step of expressing the degree of flow direction orientation of the skin layer and the core layer with an algebraic relation, and calculating a fiber orientation tensor indicating the orientation state of the fibers by performing an algebraic operation based on the algebraic relation (S5).

To provide a three-dimensional modeling material that can enhance the mechanical properties of three-dimensional objects. [Solution] A three-dimensional modeling material 1 used for creating three-dimensional objects, comprising a thermosetting resin 2 in a liquid phase and reinforcing fibers 3 dispersed in the thermosetting resin 2, wherein the reinforcing fibers 3 have a release-restricting portion 3a on their surface, and the release-restricting portion 3a bites into the cured thermosetting resin 2, thereby restricting the release of the reinforcing fibers 3 in the fiber direction.

The invention provides a high-thermal-conductivity low-modulus graphene fiber heat-conducting gasket and a preparation method thereof. Graphene fibers are directionally wound and impregnated to prepare a prepreg, the prepreg is laminated and bonded to form a high-orientation fiber plate, and then the high-orientation fiber plate is directionally cut in the direction perpendicular to the fibers to obtain the heat-conducting gasket composed of continuous vertical fibers and organic silicon. The fiber is of an X-shaped crossed network structure, and is combined with an elastic silica gel matrix to form a hinge-like structure which can be highly deformed under the orientation of 0.5-10 degrees and-10--0.5 degrees, so that the compression resilience and durability are remarkably improved, and meanwhile, efficient heat conduction is kept. According to the structure, the problems of buckling, fracture and stress concentration which are easily caused by traditional vertical or random arrangement are avoided. A one-way felt impregnation lamination cutting method is adopted, the processing problem caused by high filler is solved, the fiber content can reach 85.1 wt%, and the array density is 2.4-195.9 mg / cm. The gasket has high thermal conductivity, low modulus and excellent rebound resilience, and is suitable for thermal management of high-power electronic equipment such as electronic base stations, communication radars, new energy automobiles, aerospace and the like.

The invention relates to the technical field of preparation of continuous oxide fiber strengthened and toughened oxide-based composite materials, and particularly discloses a preparation method of a chopped / continuous alumina fiber synergistically strengthened and toughened alumina-based composite material, which comprises the following steps: preparing chopped Al2O3 fibers; the Al2O3 fiber cloth and the chopped Al2O3 fibers are subjected to degumming treatment; the preparation method comprises the following steps: preparing Al2O3 slurry with low solid phase content and Al2O3 slurry containing chopped Al2O3 fibers; the preparation method comprises the following steps: dipping Al2O3 fiber cloth in Al2O3 slurry containing chopped Al2O3 fibers, and carrying out compression molding, drying and high-temperature sintering to obtain an Al2O3 (s, c) / Al2O3 composite material rough blank; and the Al2O3 (s, c) / Al2O3 composite material rough blank is subjected to low-solid-content Al2O3 slurry densification treatment and Al2O3 sol densification treatment, and the composite material is obtained. The chopped alumina fibers are introduced to toughen the alumina fiber reinforced alumina-based composite material, so that the composite material not only has excellent mechanical properties in the fiber direction, but also has excellent delamination resistance in the thickness direction.

The present invention relates to a sheet-like cosmetic composition that exhibits excellent powder transferability and dirt removal properties when wiped with a pressing motion. [Solution] A sheet-like cosmetic according to one embodiment of the present invention is a sheet-like cosmetic in which a liquid composition is impregnated into a sheet, wherein the surface is provided with an uneven structure consisting of linear recesses and protrusions located between the recesses, and when viewed from a direction perpendicular to the surface, the smallest angle among the angles in which the recesses intersect with the fiber CD (cross direction) direction is 35° or more and less than 60°, and when the entire circumference of the protrusions is not surrounded by the recesses, the length of the recesses per 100 mm along the fiber CD direction is 109 mm or more and 132 mm or less, and the number of recesses included in a rectangular area with a short side of 5 cm and a long side of 10 cm is 4 or more, and when the entire circumference of the protrusions is surrounded by the recesses, the perimeter of the protrusions is 29 mm or more, and the number of protrusions surrounded by the recesses included in the rectangular area is 7 or more.

The application discloses a high-durability micro-nano structure carbon ceramic composite brake disc and a preparation method thereof. Gradient nanoparticle distribution is used to realize the synergistic optimization of surface protection and core Si infiltration efficiency. A high SiC concentration is used in the surface layer to inhibit the corrosion of molten Si through a double mechanism of physical blocking and chemical passivation, and the friction coefficient fluctuation is significantly reduced. A low SiC concentration is used in the outer layer to reduce the penetration resistance of molten Si, ensure the uniformity of Si infiltration, and reduce the difference in the thermal expansion coefficient. Meanwhile, the lamination needling process improves the performance through a double mechanism of mechanical interlocking and fiber orientation optimization. The needling density of 12-20 needles per unit area makes the barb of the needle penetrate the carbon fiber layer to form a physical anchor, the needling process optimizes the Si infiltration channel, the interlayer gradient structure and the three-dimensional network formed by needling disperse the braking stress, and the interface debonding risk is reduced. In the high-strength frequent braking scene, the crack initiation probability is reduced, the local stress of the brake disc is reduced, the wear rate is effectively reduced, and the braking process is more stable.

Resin structure (1), comprising: a resin element (10) having a through-hole that penetrates in an orthogonal direction perpendicular to a horizontal direction; and a collar (20) that is fitted into the through-hole, wherein the resin element (10) is formed by laminating several base materials in the orthogonal direction which are made of a resin containing reinforcing fibers, characterized in that the resin element (10) exhibits: an outer resin section (11) in which the reinforcing fibers are aligned in the horizontal direction; and an inner resin section (12) which is arranged in the horizontal direction between the outer resin section (11) and the collar; wherein a mean value of a fiber orientation angle of the inner resin section (12) with respect to a side surface (22) of the collar (20) is smaller than a mean value of a fiber orientation angle of the outer resin section (11) with respect to the side surface (22) of the collar (20), the resin element (10) can be produced by pressing the several base materials and causing the several base materials to flow to reach the side surface (22) of the collar (20), the inner resin section (12) has a boundary between the multiple base materials on a surface in the orthogonal direction of the inner resin section (12), the collar (20) has a flange section (24) which extends from an end section in an orthogonal direction in the horizontal direction, and the flange section (24) covers the boundary between the multiple base materials in an orthogonal direction.

The present application relates to a kind of orientation method of two-way plate fiber using magnetic film material, mainly a kind of two-way plate fiber control method using magnetic film material applied to maintenance formwork concrete curing forming device, including the magnetic adsorption layer of soft magnetic material such as magnetic film material / silicon steel sheet, curing formwork, power supply, magnetization generator and the like composition of curing forming device.The curing forming device passes through " magnetic film " structure, on the one hand, vertical fiber is turned over during insertion process, on the other hand, when power is connected, magnetization generator generates magnetism, so that magnetic film adsorption layer obtains magnetism, and then the part of steel fiber in mixed slurry is acted, the uniformity of steel fiber dispersion in construction process is improved, the consistency of orientation.The device is simple, the scope of application is wide, the operation method is easy to operate, and it can be reused, the method can improve the mechanical properties of UHPC, innovate UHPC construction technology, and has great promoting significance for large-scale promotion and application of UHPC.

The present invention relates to a device and a method for producing a nonwoven fabric with a non-isotropic fiber orientation, i.e., a fiber orientation that is directional, unlike classical random lay-ups where an isotropic fiber orientation prevails.