30 results about "Shear field" patented technology

The application discloses a graphene directional arrangement super-corrosion-resistant coating and a preparation method thereof, and relates to the field of coating preparation.The preparation method comprises the following steps: mixing and defoaming graphene slurry, a resin matrix and an additive to obtain a coating; adjusting the temperature of a metal substrate to be higher than that of a scraper to form a temperature difference, and adjusting the gap between the metal substrate and the scraper to form a vertical thermal gradient field; transferring the coating to the preheated metal substrate, then moving the metal substrate relative to the scraper to allow the coating to be coated, and forming a wet film under the vertical thermal gradient field and a shear field; transferring the metal substrate with the wet film into a heat preservation cavity, and heating the back of the metal substrate; then, heat treating the wet film, and forming the graphene directional arrangement super-corrosion-resistant coating on the metal substrate after cooling. The coating obtained by the application not only eliminates the weak links caused by uneven orientation, but also synergistically strengthens the adhesion and corrosion resistance, and finally realizes the protection effect of super-corrosion resistance.

According to the underwater emergency cable cutting device, a movable cutter is hydraulically driven to be matched with a fixed cutter to form a shearing pair, the shearing mechanical performance is optimized, the cutting efficiency of a composite cable is improved, a gradual closed shearing force field can be formed during shearing due to the design of an arc-shaped cutting edge of a crescent cutter head, and acting force is evenly distributed along the section of a cable; the cable is especially suitable for a composite cable structure in which an outer sheath and inner tensile fibers are mixed. The guide mechanism forcibly restrains the motion trail of the moving cutter head, it is ensured that the cutting edge is closed along a preset path all the time in the shearing process, precise shearing path control is achieved, and secondary damage is avoided; the self-adaptive cable diameter guide-hydraulic linkage control and guide chute integrated pressure feedback module adjusts the output pressure of the hydraulic system in real time. The limitation of a traditional disposable gunpowder or pull pin type device is broken through, and a modularized shearing unit and a quick reset oil cylinder are designed.

The application provides an anti-settling structure and stirring device for nano slurry, and belongs to the technical field of nano material preparation, which comprises a tank body assembly, a central rotating drum assembly, an ultrasonic vibration rod, an anti-settling lifting mechanism, a dynamic material distributing assembly, a lifting type stirring mechanism and a scraper assembly; the central rotating assembly is located at the bottom of the main tank body and generates a centrifugal shear field through rotation; the ultrasonic dispersion assembly is arranged on the rotating disc and utilizes high-frequency vibration to break the particle agglomeration; the scraper assembly is attached to the anti-settling lifting mechanism and can be lifted along with the stirring process; the high-activity anti-settling area is formed in the center of the tank body through the cooperation of the rotating disc rotation and the ultrasonic wave, and the flow dead zone is eliminated; meanwhile, the scraper assembly can be lifted flexibly according to the process requirement, and only contacts the bottom wall of the main tank body for cleaning when needed, so that the abrasion and energy consumption caused by continuous scraping are avoided, the micro-deagglomeration and macro anti-settling of the nano slurry are realized, and the dispersion stability of the slurry and the coating quality are significantly improved.

The present application provides a kind of surface polishing device for wooden door panel, it is related to wooden door polishing technical field, including base, workpiece clamping lifting mechanism, by the longitudinal feed mechanism driven by first motor, by the transverse reciprocating scanning mechanism driven by second motor and two multi-ring polishing components installed below scanning mechanism, wherein the multi-ring polishing component is driven by third motor precision gear transmission system, with the hard first polishing grinding wheel in the center, a plurality of alternately arranged annular hard second polishing grinding wheel and flexible carding ring realize concentric and independent reverse rotation, so that the hard grinding wheel of high-speed forward rotation and the flexible carding ring of reverse rotation form dynamic micro shear field on the surface of door panel, so that by multi-ring shear polishing, the polishing ring group of soft and hard alternation, opposite rotation direction produces synergistic cutting, shearing and carding effect, thereby efficiently and high quality complete the polishing treatment to wooden door panel.

The utility model relates to a kind of wet method mixed granulator, belong to granule mixing technical field, including granule mixing box and the inner box of fixedly connected to granule mixing box inner bottom wall, the inside of granule mixing box is equipped with the mixing assembly for granule mixing, the mixing assembly includes the fixed plate of fixedly connected to granule mixing box inner rear wall, the bottom of fixed plate is fixedly connected with motor box, the inside of motor box is fixedly connected with drive motor, the output shaft of drive motor is fixedly connected with connecting rod, the bottom end of connecting rod is fixedly connected with mounting frame body.This wet method mixed granulator, by mixing assembly generates forced convection and high shear field, make material realize uniform mixing in three-dimensional space, and by arranging ultrasonic transducer in four directions, utilize coupling layer to efficiently conduct vibration energy to inner box wall surface, utilize the microjet and wall high-frequency microvibration generated by ultrasonic cavitation effect, realize the peeling of adhering object, avoid resource waste.

The utility model relates to the technical field of production of soil amendment from solid waste, and particularly discloses a device for producing soil amendment from industrial solid waste, which comprises an upper tank body and a lower tank body, an activation mechanism is arranged in the upper tank body, the activation mechanism comprises two symmetrically distributed rotating shafts which penetrate through and are rotatably connected to the upper end of the upper tank body, spiral blades with sawteeth are fixedly connected to the outer walls of the two rotating shafts, gears are fixedly connected to the outer walls of the two rotating shafts, the two gears are meshed with each other, and supporting rings are fixedly connected to the interiors of the upper tank body and the lower tank body; a strong shearing force field is formed through meshing transmission of two reversely-rotating sawtooth spiral blades and a gear, the cavitation effect of an ultrasonic generator is matched, the silicate crystal depolymerization time is shortened, heavy metal is stabilized and strengthened, an annular drainage pipe and a flow guide pipe form double-layer atomization covering, and the heavy metal is converted into stable sulfide; and the risk of heavy metal migration is fundamentally blocked.

The utility model discloses an efficient dispersing device for preparing waterline color paste, relates to the field of waterline color paste preparation, and aims to solve the problems that color paste is difficult to disperse and stir uniformly only through a stirring paddle, the color paste is easy to agglomerate during stirring, and the uniformity of color paste preparation is influenced in the prior art. L-shaped stirring rods are fixedly connected to the two sides of the lower end of the stirring shaft and located in the upper tank body, the lower end of the stirring shaft extends into the conical lower tank body and is fixedly connected with a spiral lifting blade, and a plurality of dispersing discs are fixedly connected to the lower end of the dispersing shaft and located in the upper tank body at equal intervals. The outer wall of each dispersion disc is fixedly connected with a plurality of inclined rectangular pieces in an annular array mode, global circulating stirring of materials is achieved through the L-shaped stirring rods and the spiral lifting blades, meanwhile, the multiple layers of dispersion discs and the inclined rectangular pieces of the dispersion discs form a high-strength shearing force field, and the problem that agglomeration is prone to being generated in a traditional single stirring mode is effectively solved.

The invention relates to the technical field of water-based ink dispersion control, in particular to a dynamic temperature field collaborative optimization method for a water-based ink dispersion process, which comprises the following steps: synchronously acquiring temperature field distribution data and shear field distribution data through a distributed fiber grating temperature sensor and an ultrasonic Doppler velocimeter; and constructing multi-dimensional field data with a unified timestamp and space coordinates. Calculating temperature field intensity gradient data and shear field intensity gradient data based on the multi-dimensional field data, analyzing and identifying a mismatch region through a field cooperation angle, establishing a dynamic coupling relation model in combination with a deep neural network, generating field cooperation optimization parameters, and performing field cooperation optimization. And forming a regional temperature compensation strategy by adopting rule engine analysis, a multi-objective optimization algorithm and a feasibility verification mechanism, and converting the regional temperature compensation strategy into a control instruction sequence of the multi-channel temperature control system. Through real-time monitoring and fuzzy PID dynamic adjustment, continuous cooperation of a temperature field and a shear field is realized, and the dispersion efficiency and the product stability are improved.

This invention discloses a spheroidizing system and semiconductor filler material for preparing high-sphericity powders using a flame method. The spheroidizing system includes a feeding device, a material dispersing device, and a flame combustion device connected in sequence. The material dispersing device is configured to form a multi-stage airflow shear field internally. The flame combustion device includes a combined combustion nozzle and a throat sleeved outside the combined combustion nozzle. The feed end of the throat is connected to the material outlet of the material dispersing device. By applying an airflow shear field of a specific structure within a very short path or instant before the powder enters the high-temperature zone of the flame, the powder clusters in the conveying airflow are strongly, online, and instantly deagglomerated, maintaining their single-particle dispersion state until they enter the high-speed jet of flame, thereby improving the quality of the spherical powder.

The present application relates to the technical field of composite pipe production, and more particularly to a co-extrusion die, a formula and a preparation method of a multi-layer composite pipe, wherein the die comprises a die plate, a composite die body connected with the die plate, a die head connected with the composite die body, and at least three feeding ports arranged on the die plate; the composite die body comprises an inner layer die body, an intermediate spiral body, an outer layer die body and an outer die body; inner layer straight flow channels, a plurality of intermediate spiral flow channels and outer layer straight flow channels are respectively arranged between different die bodies; one end of each of the flow channels is communicated with the feeding ports, and the other end of each of the flow channels is communicated with a converging flow channel arranged in the die head; and the intermediate spiral flow channels gradually narrow from a feeding end to a discharging end. A gradient shear field is formed through the gradually deepening spiral flow channels, gradient dispersion of nano calcium carbonate and gradient orientation of molecules in the multi-layer composite pipe are realized, the flatness of the pipe can reach more than 70% under the condition that the amount of recycled material is 40-50%, and the comprehensive production cost is reduced by 22-28%.

The application discloses a kind of sludge hopper discharge port anti-blocking and unblocking device, comprising: hopper body, the hopper body includes cuboid section and is located at the lower end of cuboid section Cone section, the bottom of the cone section is equipped with discharge port;Electric plug valve is set at the discharge port of the bottom of the cone section, for controlling the opening and closing of discharge port;Vibration motor is set on the outer wall of the cone section, for generating vibration to break the bridging state of material;Air cannon body, the injection port of its injection pipe extends to the inside of the hopper body, for injecting high-pressure gas into the cone section to remove blocked material;And control unit.The application adopts multiple air cannon bodies arranged symmetrically and cooperates with specific angle injection port, so that high-pressure gas can form a global shear field focused on the center of discharge port, effectively destroying the bridging structure of high-viscosity sludge, solving the problem of poor unblocking effect of traditional single-point air cannon impact force dispersion.

The invention discloses a tire rubber material internal mixing method based on multi-parameter intelligent feedback, which comprises the following steps: acquiring different historical characteristic curves and corresponding historical characteristic ranges based on historical effective mixing data; the current mixing data in the mixing cavity in the mixing process is collected and obtained in real time, the current mixing data is compared with the corresponding historical data characteristic range, and whether the parameter abnormal condition exists or not is judged; if yes, judging an abnormal type and adopting a closed-loop feedback adjustment operation; if not, executing the current characteristic curve; the invention further discloses a tire rubber material internal mixing system based on multi-parameter intelligent feedback, and the tire rubber material internal mixing method is applied to the tire rubber material internal mixing system. Through dynamic variable-pressure mixing, a shear force field and a temperature field in a rubber material are optimized, and the mixing uniformity is improved; and through intelligent feedback closed-loop adjustment, automatic optimization of process parameters is carried out, energy consumption is reduced, the product quality consistency is remarkably enhanced, and the production intelligent level is improved.

The invention discloses a multifunctional film collaborative coating device based on particle migration behavior regulation and control. The multifunctional film collaborative coating device comprises an upstream coating module, a downstream coating module, a wettability regulation and control substrate, a temperature regulation and control substrate, an upstream gasket and a downstream gasket. A multi-stage turbulent flow structure and a directional shear field regulation and control mechanism are introduced into an upstream coating module and a downstream coating module, and a controllable local shear flow field and a particle guide force field are established through a combined layout from an upstream first turbulent flow column to a downstream second turbulent flow column; the suspended particles are effectively driven to realize space migration, interface enrichment and layered arrangement in the flowing process, and the function integration level and interlayer interface definition of the multilayer film structure are remarkably improved. The controllable temperature gradient field between the lip area and the surface of the substrate is established, the curing rate, the interface adhesiveness and the particle distribution behavior of a particle system of each functional layer in the coating process are accurately adjusted, interface layer mixing or migration interference is avoided, and the structural stability and the functional layer collaboration of the multi-layer composite film are remarkably improved.

The invention discloses a shear plate design method based on generative topology and related equipment, and relates to the field of metal plate shearing. Comprising the following steps: acquiring a design condition, encoding the design condition into a condition vector, inputting the condition vector into a generative model, and generating a candidate topological configuration; geometric reconstruction and gridding processing are carried out on the candidate topological configuration, and energy consumption evaluation indexes such as a hysteretic curve area, an equivalent damping ratio and a rigidity degradation rate are calculated based on cyclic load finite element analysis; comparing the energy consumption evaluation index with a preset criterion, and determining a target shear plate structure in combination with a rollback optimization mechanism; and an additive manufacturing printing path is constructed based on the target structure, the printing path and process parameters are adaptively adjusted through thermal process prediction, a manufacturing file meeting temperature gradient constraints is output for forming manufacturing, and rapid generation of a shear plate topological structure, energy consumption performance closed-loop optimization and manufacturing process cooperative control are achieved.

The invention provides a bioreactor. The bioreactor comprises a tank body assembly; at least one lifting stirring device is arranged on the tank body assembly; the lifting stirring device comprises a mounting frame, a stirring device and a stirring device, wherein the mounting frame is arranged on the tank body assembly; the stirring assembly is arranged on the mounting frame, and the stirring end of the stirring assembly extends into the tank body assembly. According to the invention, traditional rotary stirring is replaced by lifting type stirring, and the stirring disc passively rotates in liquid flow, so that a strong shear field generated by high-speed mechanical stirring is avoided. The inclined hole design enables liquid flow to smoothly pass through, further disperses energy, is especially suitable for cells sensitive to shearing, can reduce cell death or morphological damage caused by shearing, and improves product yield.

The invention belongs to the field of oil and gas field underground tool manufacturing, and particularly relates to a corrugated piece for a degradable magnesium alloy bridge plug and a rolling preparation method, and the rolling preparation method comprises the steps of rolling equipment preparation and pretreatment, raw material pretreatment, special-shaped asynchronous hot rolling forming, stress relief annealing and finishing. According to the method, multi-pass asynchronous hole pattern rolling is carried out on the difficult-to-deform degradable magnesium alloy blank, and a strong cross shear field is introduced into a deformation area by utilizing the linear velocity difference of the lower concave roller and the upper concave roller, so that the plastic flowing capacity of the magnesium alloy is greatly improved, complex corrugated hole patterns can be accurately filled, and near-net forming is realized; and while a complete metal fiber flow line distributed in a tooth shape is reserved, coarse second-phase particles are effectively broken, non-basal plane slippage and sufficient dynamic recrystallization are induced, and therefore the basal plane texture is weakened. Finally, on the premise that the material utilization rate is greatly increased, collaborative improvement of the shear strength, the structural integrity and the uniform degradation performance of the corrugated piece is achieved.

This utility model discloses a tangential rotor for an internal mixer, specifically relating to the field of internal mixer technology. It includes a rotor body with two long ridges and two short ridges. The two long ridges are a left long ridge and a right long ridge, and the two short ridges are a left short ridge and a right short ridge. The helix angle of the short ridges is 49 degrees. The long ridges include a first segment and a second segment connected together. The helix angle of the first segment is 49 degrees, and the helix angle of the second segment is 30 degrees. This utility model, by using two long ridges and two short ridges on the rotor body, combined with the 49-degree helix angle of the short ridges and the segmented helix angles of the long ridges, can create a complex shear field when material enters the rotor's working area. This design causes the flow direction and velocity of the material on the rotor surface to change multiple times, thereby significantly improving the mixing efficiency and dispersion uniformity of the material.

The utility model provides a kind of low temperature epoxy adhesive dewatering device, comprising: lifting tray and stirring subassembly, lifting tray is located inside dehydration equipment main body below, lifting tray inside upper side is placed with stirring bucket, stirring bucket inside is equipped with stirring subassembly, stirring subassembly includes transmission shaft and stirring part, stirring part includes a used to connect fixedly with stirring vane and connecting sleeve connecting plate, compared with prior art, the utility model has the beneficial effects as follows: by setting lifting tray and stirring subassembly, two groups of stirring subassembly are stirred to the low temperature epoxy adhesive liquid inside stirring bucket, lifting tray is pushed stirring bucket uniform motion repeatedly up and down under the up-and-down repeated movement of telescopic rod, in the case where transmission shaft and two groups of stirring subassembly position are inconvenient to keep, low temperature epoxy adhesive liquid moves up and down along with stirring bucket, provides a dynamic shear field, greatly increases the shear degree of stirring subassembly, improves dehydration efficiency.

The utility model discloses dendritic polymer network structure gel nano slurry preparation equipment belongs to the technical field of grinding equipment, including frame, stand, the frame is assembled with the grinding assembly that can grind dendritic polymer network structure gel into nano slurry, through adopting nanometer level partition spacing design, forms gradient shear field, can tear the gel network gradually and break, and the cooperation drive component can make the grinding roller reciprocating movement and grind the gel into nanometer level particle, has improved grinding efficiency and quality significantly, push part can push the gel after grinding evenly to the grinding area and grind again through the reciprocating motion of lifting plate and vertical board, ensures its full grinding.

The invention discloses an impact-resistant high-transmittance MBS (methyl methacrylate-butadiene-styrene) resin bulk synthesis process which comprises the following steps: S1, pre-polymerizing part of styrene, part of methyl methacrylate, all butadiene, a first initiator and a chain transfer agent at 60-85 DEG C to form a pre-polymerized solution containing a polybutadiene rubber chain and a grafted copolymer; s2, dispersing the pre-polymerized liquid and the residual monomers by a high-shear device to form rubber particles of 80-300nm; s3, performing post-polymerization at 90-140 DEG C, wherein the monomer conversion rate is greater than or equal to 98%; and S4, carrying out devolatilization and granulation on the melt to obtain the MBS resin. According to the process, the problems of transparency, water resistance and pollution of a traditional emulsion method are solved, and green continuous production of the high-purity resin is realized; through cooperation of a shear field and a reaction, an ideal core-shell structure is controllably constructed in a pure body system for the first time, high impact resistance and high transparency are synchronously realized, and an innovative scheme is provided for industrialization of high-performance transparent engineering plastics.

The invention belongs to the technical field of compositions of high-molecular compounds, and discloses a polyester composite material and a production process thereof. The polyester composite material comprises a polyester matrix, a chopped glass fiber reinforced filler and a gradient interface layer between the polyester matrix and the chopped glass fiber reinforced filler, the gradient interface layer sequentially comprises a liquid crystal polyester layer with a matched structure and a dispersion layer containing a nano nucleating agent from inside to outside; the production process comprises the steps of gradient coating of the filler, melt blending and oriented induced crystallization forming under the synergistic effect of a shear field and an oscillation pressure field. According to the technical scheme, a high-orientation transverse crystal structure is formed in an interface area, and the mechanical property, the thermal deformation temperature and the long-term thermal oxidation stability of the material are improved.

The utility model discloses a kind of water-based graphene nanometer material hydrophilic high-density uniform dispersion devices, base, the base is provided with dispersion mixer, the dispersion mixer is provided with stirring shaft;The base is provided with fixed plate, the fixed plate is provided with moving plate, the moving plate is provided with stirring bucket, the stirring shaft is inserted into stirring bucket, the moving plate is provided with four groups of positioning components, the positioning component is cooperated with stirring bucket, so that stirring bucket is positioned on fixed plate;The beneficial effects of the utility model are: by moving plate driving stirring bucket reciprocating horizontal displacement, make fixed stirring shaft form dynamic stirring path in stirring bucket, the relative motion generates multidirectional shear field in nanometer material solution, effectively destroy graphene sheet layer aggregate, realize the high-density uniform dispersion of water-based graphene nanometer material, solve the problem of uneven dispersion caused by traditional static stirring.

This invention discloses a micro-damage particle agglomeration and dispersion device and method, comprising: a gas shear field generating unit and a dispersion device. The gas shear field generating unit is located at the top of the dispersion device. Gas is introduced into the dispersion device through the gas shear field generating unit to form a slow-flow shear field. The dispersion device includes: a dispersion device shell, a spiral tube inside the dispersion device shell, and a micro-energy ultrasonic array on the inner wall side of the dispersion device shell. The gas shear field generating unit and the micro-energy ultrasonic array are controlled by a controller to obtain optimal operating parameters, solving the technical problems of easy contamination, secondary damage, and poor dispersion effect in the agglomeration and dispersion process of the prior art.

The application provides a conductive composite material prepared by using a high shear field polymer incompatible system and a preparation method and application thereof, and belongs to the field of advanced material technology.The polymer-based conductive composite material is prepared by micro-injection molding processing and is prepared from a conductive filler and an incompatible resin system.The composite material can realize a substantial improvement in the conductive performance by adding a small amount of the conductive filler, can be used as an electronic material, and will not affect the mechanical performance and processing performance of the composite material.Meanwhile, the micro-injection molding processing technology can obtain a conductive functional micro device with higher precision and smaller size, and meets more use requirements.The polymer-based conductive composite material can be widely used in the fields of micro devices, micro-electro-mechanical systems, electronic communication, automobiles, aerospace, etc., and has a wide application prospect.

The present application belongs to the field of oil and gas field downhole tool manufacturing, and particularly relates to a corrugated piece for degradable magnesium alloy bridge plug and a rolling preparation method, which comprises the following steps: rolling equipment preparation and pretreatment, raw material pretreatment, special-shaped asynchronous hot rolling forming, stress relief annealing and finishing. The present application implements multi-pass asynchronous hole type rolling on the difficult-to-deform degradable magnesium alloy blank, utilizes the difference between the linear speeds of the lower and upper concave rollers to introduce a strong cross-shear field in the deformation zone, greatly improves the plastic flow capacity of the magnesium alloy, enables it to precisely fill the complex corrugated hole type, realizes near-net forming, effectively breaks the coarse second-phase particles while retaining the complete metal fiber flow lines of the compliant tooth profile distribution, induces non-basal plane slip and sufficient dynamic recrystallization, and thus weakens the basal plane texture. Finally, on the premise of greatly improving the material utilization rate, the shear strength, structural integrity and uniform degradation performance of the corrugated piece are synergistically improved.

The friction pair comprises a fixing body, a rotating body and a sealing assembly, the fixing body is provided with a downwards-sunken testing groove, the testing groove is provided with a circular ring face, the bottom of the testing groove is provided with a plurality of protruding edges protruding upwards, and the protruding edges are evenly arranged in a radial shape with the circle center of the testing groove as the center; the rotating body can be embedded into the test groove and rotate; the sealing assembly is used for sealing an annular gap formed between the rotating body and the annular surface of the testing groove. According to the friction pair, high-viscosity fluid and powder materials can form a stable, continuous and concentrated shearing field in a friction test, the reliability of data acquisition is ensured, the performance evolution rule of the materials under the continuous shearing condition is truly reflected, and the accuracy and repeatability of data acquisition are improved.

This invention relates to the field of composite material technology and provides a metal matrix composite material with a macro- and micro-level alternating structure and its preparation method. The composite material consists of a ceramic phase skeleton and an impregnated metal phase bicontinuous interpenetrating network. Several parallel continuous ceramic lines form the overall skeleton, with gaps between adjacent lines, where the metal phase forms continuous macro-metal channels. Each ceramic line contains oriented short-cut ceramic fibers, which are discontinuously distributed along the axial direction of the ceramic line and overlap to form a porous network with the same orientation. The metal phase impregnates into the pores of the short-cut ceramic fibers, forming a "brick-and-mortar" ordered structure at the micro-level by coating the short-cut ceramic fibers, mimicking the nacreous layer of a seashell. This invention successfully constructs a "macro- and micro-level multi-level biomimetic structure" through advanced control methods of "shear field and freezing field" dual-field coupling, achieving cross-scale synergistic toughening and precise dual-field coupling control.

The present application relates to a kind of nanodiamond grinding fluid dispersion system and method, belong to superhard material grinding fluid preparation technical field, specifically related to a kind of high / low pressure jet shear impact diamond grinding fluid high-efficiency, pollution-free dispersion system and method.The present application has no wear and no pollution: using pure water as power medium, high-speed part is without solid particle, the outlet of the jet formed in water tank is using high-hardness material, and the service life is extremely long.There is no need for chemical additives in the whole physical dispersion, which ensures the high purity of the grinding fluid.The dispersion efficiency is high, and the quality is good: multiple jet design forms high-strength, multi-dimensional turbulent shear field, which has excellent crushing capacity for micron and submicron agglomerates, and the dispersion uniformity is far superior to traditional mechanical stirring.

The application belongs to the technical field of polymer compound, and discloses a polyester composite material and a production process thereof. The polyester composite material comprises a polyester matrix, a short-cut glass fiber reinforced filler and a gradient interface layer between the polyester matrix and the short-cut glass fiber reinforced filler. The gradient interface layer comprises a liquid crystal polyester layer and a dispersion layer containing a nano nucleating agent from inside to outside. The production process comprises filler gradient coating, melt blending and orientation-induced crystallization molding under the synergistic action of a shear field and an oscillation pressure field. Through the technical scheme, a high-orientation transcrystalline structure is formed in the interface region, and the mechanical properties, the heat distortion temperature and the long-term thermal and oxidative stability of the material are improved.

An in-situ detection system involving multi measurements coupling with a nucleation reactor includes a crystal nucleus transient evolution imaging system and a time-resolved detection system which are in-situ connected with a rotating micro-liquid film reactor. A micro negative pressure sampler is made to capture nucleation particles in high-speed shear field and enter the visible observation area. The sampler is in-situ connected with a high-speed camera and microscope objective to obtain instantaneous images of the nucleation process at the nanoscale and in-situ capture the transient evolution behavior of crystal nuclei. The sampler is used for capturing nucleation particles in a high-speed shear field, and is connected to a flow-through cell. The time-resolved detection system for microsecond full spectrum acquisition with in-situ coupling of nucleation reactors is constructed using a CMOS detector with large-diameter optical fiber, high-power light source, and fast acquisition rate, and low integration time fiber spectrometer.