744 results about "Heat effect" patented technology

The invention relates to the field of abrasion morphology determination and abrasion loss calculation, and discloses an abrasion morphology and contact stress analysis and prediction method and system based on a rough contact surface, a medium and equipment, and the method comprises the steps: constructing a dynamic contact model, and obtaining an accurate movement rule and a stress analysis result of a moving mechanical component; constructing a three-dimensional rough surface digital twinborn model conforming to an actual contact surface; establishing a contact stress field multi-physical field analysis model to obtain elastic deformation and a friction heat effect; based on the contact stress distribution and the local wear rate which are obtained in real time, carrying out dynamic reconstruction on the wear morphology, and establishing a nonlinear iteration relation between the wear loss and the contact stress distribution; determining an accurate boundary condition based on an accurate movement rule and a stress analysis result of the moving mechanical component, and constructing a failure criterion based on contact stress gradient mutation and surface roughness evolution; key parameters are calibrated through experiments, and a mapping relation database of wear rate-stress state-morphological characteristics is established so as to carry out friction wear analysis.

The invention relates to the technical field of connector monitoring, in particular to a method and a system for monitoring faults of a connector in real time. The method comprises the following steps: acquiring object data of a connector, acquiring operating environment parameters including temperature, humidity, current, voltage and vibration conditions, and comprehensively evaluating the operating state of the connector; the mechanical toughness deterioration trend of the connector is detected, the gradual change failure condition of the contact interface is further analyzed, and the dynamic power attenuation degree of the connector is predicted; analyzing an internal component loss condition caused by the heat effect, and detecting a fatigue aggravation condition in the connector; and the aging trend of the assembly is evaluated according to the fatigue aggravation degree, the overall stability degradation degree of the connector is further evaluated, accurate monitoring of the connector fault is finally realized, and connector fault data is obtained. According to the invention, the connector fault identification is optimized, so that the connector fault identification is more accurate.

The invention discloses a control method and system of a servo press, and relates to the field of press control, a force displacement curve is obtained in real time from a current punching period, a key feature vector of the force displacement curve is extracted, the key feature vector is compared with an ideal golden feature vector, and a multi-dimensional deviation vector is obtained. Particularly, a deviation decoupling method based on morphological analysis is introduced, and the total deviation can be accurately decomposed into a thermal drift compensation amount caused by the thermal effect of equipment and a material characteristic compensation coefficient caused by plate performance fluctuation by analyzing translation and zooming differences of a current curve and a gold curve in form. Therefore, independent and accurate compensation can be carried out for a physical source, the problems of information aliasing and compensation failure caused by the fact that disturbance sources cannot be distinguished in the prior art are effectively solved, intelligent and feed-forward type cooperative compensation for the next stamping period is achieved, and long-term stability and high precision of the production process are ensured.

The invention discloses an HDI micro blind hole laser drilling processing method and system, and relates to the field of HDI drilling processing, CO2 laser drilling is firstly carried out on a plate, then UV laser shaping is carried out, finally quality detection is carried out, and the core is that a plurality of local datum points distributed in a matrix mode are preset on the HDI plate to be processed. In the CO2 laser drilling process, the drilling task and the positioning action of the local datum point are executed alternately through a control program. By periodically measuring the actual position of the adjacent local datum point in the machining period, the dynamic position offset generated in the area due to the heat effect can be captured in real time, and the machining coordinates of the follow-up target drilling point in the area can be corrected in real time through the offset. The continuous local dynamic compensation effectively overcomes the dynamic thermally induced deformation problem which cannot be handled by the traditional single global correction, so that the drilling precision in the large-size and high-density machining process is ensured.

The invention relates to the technical field of graphene, and discloses a deep skin anti-wrinkle beauty instrument applying a graphene electrothermal effect and a control method, the method comprises the following steps: pre-activating a graphene electrothermal film to obtain a negative temperature coefficient resistance characteristic parameter; performing contact state detection and multi-parameter analysis on the target area to obtain personalized temperature control parameters; pWM sectional power control is carried out on the graphene electrothermal film based on the personalized temperature control parameters and the negative temperature coefficient resistance characteristic parameters, and a staged heating temperature output strategy is obtained; real-time feedback adjustment is carried out based on a staged heating temperature output strategy, and a stable temperature control signal is obtained; the graphene electrothermal film is subjected to gradual cooling power adjustment according to the stable temperature control signal, meanwhile, the safe stop state of the beauty instrument is confirmed, the unique characteristic that the resistance value is reduced when the temperature of the graphene material rises is utilized, and compared with a traditional linear resistance material, the temperature control precision and the response speed are higher.

The invention relates to the technical field of numerical control machining, in particular to an automatic input system and method for geometric parameters of a numerical control tool. The method comprises the following steps of obtaining point cloud data and material characteristics of a tool, removing abnormal points to clean the data, extracting the edge contour of the tool, performing geometric parameter mapping through the edge contour, determining geometric characteristics of the tool, reconstructing a tool framework, obtaining a numerical control machining task, and performing cutting load simulation on the reconstructed tool. Analyzing the initial wear data, performing heat effect prediction based on cutting load, calculating the thermal deformation degree of the cutter, performing deformation compensation on the initial wear data, generating geometric deformation data, drawing a deformation-time curve, performing time sequence tracking parameter compensation according to the change process of the cutter, and realizing real-time recording and updating. According to the method, the management efficiency and the machining precision of the numerical control tool are integrally improved, and the stability and predictability of the production process are enhanced.

The invention provides a photo-thermal super-hydrophobic energy storage material, a preparation method thereof and application of the photo-thermal super-hydrophobic energy storage material in anti-icing and deicing, and belongs to the technical field of anti-icing and deicing. The photo-thermal super-hydrophobic energy storage material provided by the invention comprises an energy storage coating and a photo-thermal super-hydrophobic layer which are sequentially arranged from bottom to top, the energy storage coating comprises the following components: first resin and phase change energy storage microcapsules distributed in the first resin; the components of the photo-thermal super-hydrophobic layer comprise second resin and a photo-thermal inorganic material distributed in the second resin; the surface of the photo-thermal super-hydrophobic layer is provided with a micro-nano structure. Efficient anti-icing / deicing is achieved through the synergistic effect of the photothermal effect, the energy storage characteristic and the super-hydrophobicity, and the result of the embodiment shows that the anti-icing duration of the coating prepared through the method reaches 1.5 times that of a traditional super-hydrophobic surface. Meanwhile, under the illumination condition, the temperature of the coating can be increased to about 50 DEG C within 2000 s, and ice can rapidly fall off from the surface of the coating.

The invention discloses a 3D printing path optimization method for a multi-joint industrial robot, and relates to the field of 3D printing path optimization. The method comprises the steps that a normalized torque load index is generated according to the joint torque of the mechanical arm, and a layer cutting thickness sequence is generated in combination with the model surface curvature; a vibration risk index is constructed through the joint angular acceleration, the attitude interpolation weight is dynamically adjusted, and an attitude interpolation trajectory is generated; according to the distribution characteristics of the temperature field around the path point, calculating a thermal coupling factor, generating a thermal avoidance path offset, and correcting the path point; calculating a collision risk score based on the minimum Euclidean distance between the path point and the obstacle model; and fusing the cutting layer thickness, the vibration risk, the thermal coupling factor and the collision risk score, and constructing a global path scoring function. Through comprehensive consideration of mechanical arm load, vibration risk, heat accumulation and collision risk, printing precision and quality are effectively improved, path smoothness is optimized, vibration and heat influences are reduced, material deformation is avoided, and stability of the printing process is ensured.

The invention discloses an ultraviolet laser enhanced plasma electrolytic polishing method for an aluminum-based silicon carbide composite material, which is characterized in that the conductive performance of a reinforced phase SiC material is locally improved by utilizing the synergistic effect of the local thermal effect and the photoelectric effect of ultraviolet laser, and meanwhile, uniform-speed polishing of a metal aluminum matrix and the reinforced phase SiC material is achieved by virtue of plasma discharge. And the machining efficiency is obviously improved, a machined surface with higher quality compared with traditional machining and single plasma electrolytic polishing is obtained, and further application and popularization of the aluminum-based silicon carbide composite material are facilitated.

The invention discloses a control method and system for enhancing repetition precision of a laser galvanometer, and the method comprises the steps: collecting laser power fluctuation and mirror surface temperature sequence data, obtaining a heat effect state vector through preprocessing, carrying out the noise interference updating of the heat effect state vector, inputting the heat effect state vector into a neural network model, and obtaining a preliminary thermal deformation predicted value; calculating an angle compensation parameter in combination with a preset compensation matrix to obtain a preliminary compensation signal; posterior state estimation correction is carried out, control parameters are adjusted, and enhanced compensation signals are obtained; then generating an instruction input sequence and carrying out iterative optimization to obtain an optimized angle compensation parameter; fusing position feedback to obtain a stable output track; and calculating the deviation between the angle compensation parameter and the real-time trajectory data, optimizing a heat effect state vector to obtain an optimized heat effect state vector, and recalculating the angle compensation parameter to obtain a final angle compensation parameter. According to the method, the track precision and stability of the laser galvanometer system under the complex heat effect can be remarkably improved.

The control device comprises a control module, an ice melting power supply module, a boundary switch, a short circuit switch and an ice melting switch, the boundary switch, the short circuit switch, the ice melting switch and a protection switch are arranged on a high-voltage cable, and the control module sequentially drives the boundary switch, the short circuit switch, the ice melting switch and the protection switch to execute state switching through action instructions. The conduction control of the ice melting loop is realized; the control module integrates a finite element algorithm function, collects current, voltage and temperature distribution parameters in an ice melting loop in real time, and dynamically corrects ice melting current parameters through three-dimensional electromagnetic-thermal coupling field simulation; setting a parametric modeling unit, and calculating an optimal voltage regulation gear based on a heat balance equation and a Joule heat effect to realize adaptive voltage regulation; the demarcation switch, the short circuit switch and the ice melting switch are arranged, the effect of cable short circuit heating ice melting is achieved by sequentially controlling the on-off states of all the switches, finite element real-time simulation and parameterization voltage regulation decision are combined, and the cable ice melting efficiency, reliability and safety are remarkably improved.

The invention relates to a light / heat / magnetic detachable high-strength polyurethane adhesive as well as a preparation method and application thereof. The light / heat / magnetic detachable high-strength polyurethane adhesive comprises a polyurethane adhesive and a functional filler. According to the light / heat / magnetic detachable high-strength polyurethane adhesive prepared by the preparation method disclosed by the invention, the colloid is black, and the adhesive has excellent light absorption performance and can realize rapid separation of an adhesive interface under infrared irradiation through a heat effect; meanwhile, the ferroferric oxide can be vibrated and heated under the action of an external magnetic field due to the magnetic response characteristic of the ferroferric oxide, so that fracture and separation of the adhesive layer are promoted. By means of the technology, efficient and reversible disassembly of parts bonded through the hot melt adhesive is achieved, possibility is provided for recycling and reusing of bonding materials and devices, and the problem that traditional polyurethane hot melt adhesive cannot be recycled is solved.

The invention discloses a method and application for ultrasonic-assisted laser additive manufacturing of a multi-scale structure coupling high-toughness aluminum alloy, and the method comprises the steps that high-Ni-content alloy steel powder is refined through high-energy ball milling, and then the refined alloy steel powder is dispersed and distributed in Al-Mg-Sc-Er-Zr alloy powder; an ultrasonic energy field is introduced to assist selective laser melting to form mixed powder, the ultrasonic energy field assists in generating nonlinear effects such as cavitation, acoustic streaming and heat effect, defects such as air holes and cracks are overcome to eliminate residual stress, and the Marlangoni effect is accelerated to increase the solidification speed; and finally, the high-strength and high-toughness aluminum alloy which has high density and is composed of micron-scale, submicron-scale and nano-scale multi-scale phase structures is prepared. The production cost is low, and the room-temperature tensile properties of the prepared high-strength and high-toughness aluminum alloy are as follows: the strength is greater than 850 MPa, and the fracture strain is greater than 6%.

The invention provides a laser marking system and method for metal surface dazzling and coloring, and relates to the technical field of metal surface laser precision machining.The system integrates a femtosecond laser, a nanosecond laser, an optical bread board, a lifting platform, an electric rotating slide, a scanning galvanometer, a focusing lens, a computer control system and an adsorption platform; two laser marking processes of colorful marking and coloring marking are innovatively combined; the femtosecond laser device achieves a colorful effect on the metal surface through ultrashort pulses, and the nanosecond laser device generates a colorful effect of various colors through the heat effect. Automatic switching of the two lasers is controlled through the lifting platform, the computer automatically recognizes the drawing and document process type, and multi-color-zone pattern marking is efficiently completed. The system is simple in structure and convenient to operate, can meet the high-precision double-process marking requirement of the metal surface, and is widely applied to the fields of consumer electronics, anti-counterfeiting technologies and the like.

The invention discloses a marking path optimization method and system for a wiring terminal shell laser marking machine, and relates to the technical field of laser marking path planning, and the method comprises the following steps: obtaining the geometric information of a wiring terminal shell, identifying a marking area, and dividing the wiring terminal shell into a plurality of subfields according to the scanning range of a galvanometer; constructing a composite cost function according to a subfield division result, and solving a global optimal access sequence through a genetic algorithm by taking each subfield as an optimization node and the composite cost function as a target value; respectively optimizing the contour path and the filling path in the subfield to obtain an optimized local path; combining the global optimal access sequence with a local path, performing constraint verification on the path, generating an execution track, calling initial parameters according to material characteristics, and performing dynamic matching in combination with path characteristics; through coordinate registration, subfield division and path optimization, the problems of insufficient precision, low efficiency and poor heat effect control are solved.

The invention discloses a radio frequency chip heat effect compensation system and method based on multi-physics field coupling, the system comprises a radio frequency chip body, a multi-physics field coupling calculation module, a temperature sensor array and a dynamic compensation algorithm module, and the method comprises the following steps: evaluating frequency deviation caused by a heat effect; collecting multi-point temperature data and converting the multi-point temperature data into frequency drift data; regional temperature regulation and control are executed through a temperature control array, and frequency drift is eliminated. The compensation effect is evaluated in real time, and compensation parameters are dynamically optimized. According to the invention, predictive compensation of frequency drift is realized, the compensation precision is improved by 2-3 times, and the response speed is improved by 5-10 times; the system has self-adaption and self-learning capabilities and can adapt to rapid temperature change as high as 0.5 DEG C / s, and the technical breakthrough that the system is more and more accurate is realized; while the performance is greatly improved, the frequency stability reaches 10 <-8 > magnitude, the phase noise is reduced by 12 dBc / Hz, the power is saved by more than 80%, the area is increased by less than 2 mm < 2 >, and the technical contradiction of high performance and inevitable high power consumption is solved.

The invention belongs to the technical field of electrical equipment safety monitoring, and provides an intelligent wire and cable distributed optical fiber temperature measurement early warning method and system, and the method comprises the steps: laying a distributed optical fiber temperature sensor network along a cable, and synchronously demodulating the temperature and strain information based on a distributed optical fiber sensing principle; the temperature, the strain information and the load current are uploaded to a cloud platform through a wireless communication module; operating a time-space fusion diagnosis model driven by a cable physical mechanism on a cloud platform to distinguish and position an abnormal overheating section caused by a current Joule heating effect, insulation loss or contact resistance dramatic increase; and after the abnormity is confirmed, the cloud platform generates a control instruction for the abnormal overheating section to cut off power supply, and an intelligent self-healing process can be started. According to the invention, physical root identification, accurate positioning and safe self-healing of the cable overheating fault are realized, and the safety of cable operation is greatly improved.

The utility model discloses a special rail for laser low-temperature cleaning based on a high-speed rail wheel set, which is characterized in that a section is cut from the middle of a traditional fixed rail, a movable rail capable of swinging is arranged, a train can be supported to pass through, a position can be reserved to lift a water tank, and the rim of a hub on one side of the wheel set can be submerged into the water tank for laser low-temperature cleaning. The laser-induced cavitation technology is used for low-temperature cleaning, the laser heat effect can be reduced, surface damage caused by the heat effect is avoided, the hub and the rim of the high-speed rail wheel set can be cleaned under the condition that the wheel set is not disassembled, and the cleaning period can be shortened.

The invention relates to insulation performance testing of superconducting equipment of an electric power system, in particular to a superconducting quench bubble, insulation barrier and liquid nitrogen composite insulation breakdown voltage testing method considering the influence of a bubble heat effect. Comprising the following steps: S1, acquiring the relation between the resistance and the surface temperature of the superconducting conductor in a quenching interval; s2, arranging a dielectric barrier member between the superconducting current limiting unit and the electrode; and S3, driving the superconducting current limiting unit to quench, and measuring the breakdown voltage between the superconducting current limiting unit and the first electrode. And S4, determining the representative value of the surface temperature of the superconducting conductor in the quenching process. And S5, performing heat and force coupling numerical simulation. And S6, measuring the change relation of the parameters of the insulation barrier along with the temperature. And S7, obtaining a key electrical parameter corresponding to the temperature parameter T in the step S5. According to the invention, accurate quantification of the influence of the quench bubble heat effect on the composite insulation breakdown characteristic is realized.

The invention provides a multi-energy-field auxiliary laser drilling method and device for a silicon carbide micropore with the large depth-diameter ratio, and relates to the technical field of hard and brittle material precision machining.The multi-energy-field auxiliary laser drilling method for the silicon carbide micropore with the large depth-diameter ratio comprises the following steps that a silicon carbide workpiece is ablated layer by layer through an ultrafast laser beam to form the micropore; and in the layer-by-layer ablation process, the workpiece or the ultrafast laser beam generates relative high-frequency micro-amplitude ultrasonic vibration in the axial direction of the micropore, and the low-temperature high-speed air flow is coaxially guided to an ablation point of the ultrafast laser beam so as to remove ablation products and cool the ablation point and the adjacent area of the ablation point. Through organic combination and synergistic effect of ultrafast laser ablation, ultrasonic vibration in the axial direction of a drill hole and coaxial low-temperature high-speed airflow, the problems that in the prior art, due to unsmooth chip removal of ablation products and the remarkable heat effect, the machining depth is limited, the hole wall quality is poor, and the machining efficiency is low are solved.

The invention discloses a heat conduction type heat dissipation cable, and relates to the technical field of heat dissipation cables, the heat conduction type heat dissipation cable comprises a central capillary main pipe, a plurality of conductor strands are arranged on the outer side of the central capillary main pipe, a heat dissipation ring is arranged on the other side of each conductor strand, and a plurality of first heat dissipation holes are integrally formed in the heat dissipation ring; according to the invention, heat generated by the conductor strands is quickly transmitted through the heat conducting column, and the magnetic conductive sheet and the magnetocaloric material sheet are matched to generate magnetocaloric effect by utilizing magnetic field intensity fluctuation caused by current change: when the current is increased, heat is released to strengthen evaporation of a working medium, and when the current is reduced, heat is absorbed to directly cool, so that a self-adaptive heat adjusting mechanism is formed; heat can be quickly transferred through evaporation-condensation of low-boiling-point fluid through phase change circulation of the central capillary main pipe and the branch capillary pipes, and multi-path heat dissipation of the heat dissipation ring and the fins is combined, so that the heat dissipation efficiency under different current loads is improved, and the problem of local overheating is effectively avoided.

The invention discloses a magnesium-based solid hydrogen storage tank integrated with a resistance heating and electromagnetic coupling magnetic field structure, which comprises a tank body and a control cabinet integrated on the outer side wall of the tank body, a plurality of electrode plates are arranged in the tank body, and the electrode plates are electrically connected with a power supply cabinet on the side wall of the tank body through tabs on the electrode plates. The inner space of the tank body is divided into a plurality of hydrogen storage spaces by the plurality of electrode plates, magnesium-based solid hydrogen storage materials containing magnetic alloy metal and carbon materials are added into the hydrogen storage spaces through material adding ports formed in the outer side wall of the tank body, a temperature sensor is arranged in each hydrogen storage space, and a pressure sensor is arranged at the top of the tank body; a hydrogen inlet / outlet is formed in the top end of the tank body; a communicating hole for communicating two adjacent hydrogen storage spaces is formed in the center of the electrode plate. Through the synergistic effect of an electric field and a magnetic field, the thermal management performance of the magnesium-based hydrogen storage material is effectively improved, the hydrogen desorption cold start time is shortened, the thermal effect influence in the hydrogen charging and desorption process is reduced, stress concentration caused by volume expansion is relieved, and the hydrogen storage and release performance of the magnesium-based material is improved.

The invention discloses a design method, system and equipment of a mass concrete structure water cooling system, and belongs to the technical field of concrete structure design. Aiming at the problems of large calculation amount, long time consumption and multiple trial calculation times in the design of the existing mass concrete structure water cooling system, the method comprises the following steps: establishing a concrete structure surface temperature field model by combining a heat conduction theory, a hydration heat model and a cooling water pipe heat absorption effect; based on the principle of energy conservation, under the boundary condition, an energy time-history change model of the concrete structure at each moment and an internal temperature model of the concrete structure in the temperature rise stage are established, the length of a cooling water pipe is determined, and the cooling water pipe is arranged; and finally determining the cooling rate and the cooling water flow rate of the concrete structure in the cooling stage to complete the design of the concrete structure water cooling system. According to the method, excessive finite element trial calculation can be avoided, the design efficiency is improved, the construction risk is reduced, and the quality and durability of the concrete structure are ensured.

The invention discloses a portable intelligent temperature control sleeping bag in the field of sleeping bags, which comprises a sleeping bag body, the sleeping bag body comprises an upper-layer covering part and a lower-layer bearing part, the lower-layer bearing part is provided with a control assembly, a current emission assembly and a heating assembly, the current emission assembly is used for emitting micro current, and the heating assembly is used for heating the control assembly. The control assembly is electrically connected with the current emission assembly to control the intensity, frequency and duration of micro-current released by the current emission assembly, the micro-current generator is connected with the electrode through a wire to form an electrical path, the human body makes contact with the electrode, and the micro-current generator transmits the micro-current to the human body through the electrode to achieve micro-current physiotherapy. The heating assembly is used for heating the interior of the sleeping bag body, the control assembly is electrically connected with the heating assembly to control the temperature in the sleeping bag body, the heating assembly further achieves thermal effect physical therapy, and according to different body parts, the power and the temperature adjusting range of the heating assembly are different. Therefore, the requirements of different parts of a human body on warm keeping and thermal effect physical therapy are met.

The invention discloses a parameter prediction method and device, electronic equipment and a storage medium. According to the method and the device, the essential rule of a salt cavern gas storage system is described on the basis of a physical driving model; meanwhile, systematic errors, caused by parameter simplification, ignoring of shaft dynamic heat exchange and other effects, of a pure mechanism model are accurately learned and compensated by means of a data driving model, and advantage complementation is achieved through fusion of the two; the technical problem that systematic deviation is generated between model output and actual operation data due to the fact that rock and soil mechanical parameters are simplified, a fixed friction coefficient is adopted or a shaft dynamic heat exchange effect is ignored in an existing pure mechanism model under complex geological conditions can be solved. The technical effects of improving the accuracy and reliability of thermodynamic parameter prediction of the salt-cavern gas storage system, adapting to complex geological conditions and further guaranteeing stable operation of the compressed air energy storage system are achieved.

The invention relates to the field of nano science and nano technology, in particular to a low-power particle capture and local thermal detection method and device based on tip-enhanced Raman optical tweezers, under laser irradiation, directional optical force is generated through an enhanced electric field between a nano tip and metal particles, and capture of the metal particles is achieved; raman scattering on the surface of the needle tip can be excited through focused laser, and the local temperature of the needle tip can be obtained by analyzing the change of a Raman characteristic peak. According to the method, directional optical force is generated through an enhanced electric field between the needle tip and the metal particles to capture the metal particles, the problem that the metal particles cannot be captured by single-beam 532 nm laser is solved, the power density of captured particles is reduced, and the adverse effect of the heat effect on capture is reduced. The method also can amplify the Raman signal of the needle tip to realize Raman detection of a local position, realizes temperature monitoring at the capture position, and lays a foundation for exploring the influence of the thermal effect on the capture process.

The invention discloses a construction method and device of an IGBT behavior model suitable for a short-circuit working condition, and belongs to the technical field of semiconductor devices, and the construction method comprises the steps: simulating the static output characteristics of an IGBT cut-off region, a saturation region and an active region based on an IGBT equivalent Darlington structure, and constructing the IGBT behavior model; performing controlled source parameter extraction and capacitance parameter extraction on the IGBT behavior model; the IGBT behavior model is corrected by considering the temperature effect under the short-circuit working condition, and a final IGBT behavior model is obtained; according to the method, the influence of temperature change and self-heating effect on the short-circuit current and dynamic characteristics of the IGBT is considered, and the short-circuit behavior of the IGBT can be well reflected under different working conditions.

The invention discloses an aero-engine turbine blade material in-situ mechanical test system and method, and the system comprises a multi-axis loading unit which is used for simulating the multi-axis stress state of a turbine blade under an actual working condition; the high-temperature environment module is used for realizing local rapid heating of the sample; the in-situ observation system integrates a high-temperature microscope lens with a long working distance and a high-speed camera and is used for observing and recording microscopic damage evolution of the turbine blade sample in a high-temperature loading process in real time; and the control unit is internally provided with a temperature-stress decoupling control model and a microdefect identification model and is used for compensating the plastic deformation heat effect in real time and quantifying the damage factor D. Synchronous loading of centrifugal force is achieved through the three-axis servo actuator, composite stress is accurately reproduced, the load error is small, and the limitation that a traditional single-axis test cannot simulate the multi-source load of the blade is broken through. Meanwhile, plastic work-induced temperature rise interference is reduced, and the technical problem of data distortion caused by temperature drift in a high-temperature test is solved.

The invention belongs to the technical field of building materials, and provides a baking-free brick and a production process thereof, the baking-free brick comprises the following raw materials: 58-62% of industrial waste residue, 2.5-3.5% of stone nitrate, 8-10% of cement, 2.8-3.5% of quick lime, 0.15-0.25% of ash powder, 0.18-0.22% of JFS activator, and the balance of water; industrial solid waste resources are effectively utilized, energy consumption and production cost are reduced, exciting agent ions are promoted to diffuse to stone powder lattice defect sites through the steam heat effect, a nano water film enhances solid-liquid interface ion exchange, the material reaction activity index is remarkably increased, high-temperature sintering is not needed, and the requirement for green building material development is met; the environmental pollution is reduced.

The invention discloses a tungsten mesh reinforced titanium-based composite board based on a pulse current auxiliary non-uniform temperature field and a preparation method of the tungsten mesh reinforced titanium-based composite board, and belongs to the technical field of composite materials. The problem that reinforcement protection and good diffusion of an alloy matrix cannot be both considered in the prior art is solved. The tungsten mesh and the high-temperature titanium alloy are combined, heating is achieved through the Joule heating effect generated by pulse current, meanwhile, a non-uniform temperature field is established, the relative high temperature (larger than or equal to 1000 DEG C) is maintained in the tungsten mesh area, the low temperature is achieved in the high-temperature titanium alloy area, the interface diffusion reaction is promoted, and finally solid-phase densification connection of the composite material is achieved. According to the method, the problem of alloy matrix grain coarsening caused by traditional high-temperature sintering is solved, and thermal stress mismatch between the tungsten mesh and the matrix is relieved through the non-uniform temperature field. The method has the characteristics of low energy consumption, high efficiency, small reinforcement damage and the like, and is suitable for large-scale preparation of the high-performance titanium-based composite material in the aerospace field.