3971 results about "New materials" patented technology

The invention relates to the technical field of new material detection, and particularly discloses an ultrasonic flaw detection method and system for a carbon steel bar. The method comprises the following steps: acquiring an appearance image and a section label, constructing a probe path, generating a sound field compensation factor, collecting and preprocessing an echo signal to form a multi-modal signal sequence, further extracting time sequence and spatial characteristics of the multi-modal signal sequence to generate fusion representation, and finally realizing defect classification and label generation. And dynamically updating model parameters and path configuration based on a classification result. The method can improve the detection intelligence and robustness under a complex structure, has high adaptability, high precision and high self-optimization capability, and is suitable for intelligent defect identification of industrial grade carbon steel materials.

The invention provides an on-line monitoring method and system for crack propagation of silicon-based new material equipment in a high-temperature environment, and relates to the technical field of crack detection, and the method comprises the steps: collecting stress distribution data through arranging a stress sensor, and generating a stress field distribution diagram by using an attention mechanism deep neural network model; identifying a stress concentration region based on a region growing algorithm, when a stress value exceeds a preset threshold value, acquiring temperature distribution data, extracting temperature distribution characteristics through a deep mixed probability model, performing multi-modal data fusion in combination with a stress field distribution diagram, and establishing a crack propagation prediction model by using a graph structure neural network. The crack propagation rate and direction are solved through a swarm intelligence optimization algorithm, when the crack propagation rate exceeds a preset threshold value, a control system adjusts equipment operation parameters, the sampling frequency of a sensor is adjusted according to the crack propagation direction, and model parameters are updated through an incremental learning method to achieve real-time monitoring.

The invention relates to a plastic part forming process parameter optimization regulation and control system, in particular to the field of plastic part forming, through the synergistic effect of multiple modules, the intelligent level and stability of a forming process are remarkably improved, and the system can quickly respond to the physical property change of a new material or a new batch; intelligently generating high-adaptability initial parameter suggestions based on historical data; by fusing physical simulation and real-time sensor data, dynamic behavior characteristics of a material are accurately captured, and an enhanced characteristic vector is constructed; on the premise of strictly following the thermodynamic safety boundary, the process parameter combination is efficiently optimized to meet the complex rheological constraint; and meanwhile, closed-loop precipitation and self-improvement of process knowledge are realized according to a continuous evolution anti-disturbance control strategy of production data, rapid and accurate regulation and control in a high-frequency switching scene are finally achieved, and the consistency of forming quality and production stability of plastic accessories are greatly improved.

The invention discloses a deterministic cutting compensation processing method for an infrared thin-wall optical element. The method comprises the following steps: S1, acquiring an initial surface shape of a workpiece; the method comprises the following steps: measuring an initial surface shape of a thin-wall optical element to be machined through an ultra-precision machine tool in-situ measurement technology to obtain a surface shape outline rho (x, y), and calculating a material removal amount deltaz (x, y) at each coordinate position according to a designed surface shape outline z (x, y), deltaz (x, y) = rho (x, y)-z (x, y); s2, elastic deformation prediction of clamping stress; based on a finite element simulation model, three-dimensional space numerical distribution simulation is conducted on clamping force distribution in the machining process, and element elastic deformation epsilon (x, y) caused by clamping stress is predicted; integrating the elastic deformation amount with the initial material removal amount to obtain a new material removal amount z '(x, y); s3, deformation prediction of the machining residual stress element; s4, generating a non-uniform material removal compensation track; and S5, non-uniform cutting compensation machining based on slow cutter servo is carried out.

The invention provides a hot in-place recycling asphalt mixture and a construction method, and relates to the technical field of asphalt mixtures, and the hot in-place recycling asphalt mixture is obtained by recycling old asphalt pavement materials in a high proportion, reducing new material consumption and carbon emission, realizing resource recycling and green construction and introducing a regenerant to recover the performance of aged asphalt. The high-temperature rut resistance, the low-temperature crack resistance, the fatigue resistance and the interface bonding strength of the mixture are synergistically improved by matching with the styrene butadiene rubber modifier, the basalt fiber, the nano silicon dioxide and other functional materials, and the mixture is ensured to be uniform and free of segregation through precise feeding sequence, high-pressure atomization spraying and forced stirring parameter control. The defects of gray materials, oil balls and the like are avoided, the compactness, the flatness and the overall structure stability of the regenerated pavement are improved, and the problems of performance degradation and insufficient durability of a traditional regenerated mixture are solved.

The invention discloses a new material production whole process monitoring method, system and device and a medium. The method comprises the following steps: collecting monitoring data of a plurality of process links in a new material production process and preprocessing the monitoring data; performing correlation analysis on the monitoring data of different process links, identifying a coupling relationship between the previous and later process links, and establishing a correlation model between the process stages; fusing the monitoring data of the plurality of process links to generate a dynamic key monitoring index under the current production condition; performing anomaly detection on the real-time monitoring data based on the association model and the dynamic key monitoring index, and judging whether abnormal data deviating from an expected range exists in the production process or not; and pushing the detected abnormity or potential risk to an operator, and / or generating a parameter optimization and adjustment suggestion of the production process, and sending the parameter optimization and adjustment suggestion to a production control system and the operator. According to the monitoring method provided by the invention, the monitoring precision can be enhanced, and the fine management level of the production process is improved.

The invention relates to the technical field of new material performance detection, in particular to a new material compression resistance and tensile property detection device which comprises a test counter, a driving mechanism arranged in the test counter, an auxiliary mechanism arranged on the upper side of the test counter, a clamping mechanism arranged on the side face of the auxiliary mechanism, and a driving mechanism comprising a motor. Connecting shafts are arranged on the side faces of the motors. By arranging the driving mechanism, the auxiliary mechanism and the clamping mechanism, stable clamping of different materials can be completed, stable compression resistance and tensile property detection can be conducted, during detection, multiple modes and states can be provided for use, multiple sets of detection can be conducted, the detection efficiency can be improved, large-specification materials can be assisted to be stabilized during detection, and the detection efficiency is improved. Inaccuracy of detection effect data is avoided, in addition, performance detection of side stress of materials can be carried out, so that accuracy of performance detection and performance testing of new materials under multiple conditions are guaranteed, and functionality and accuracy are improved.

The invention discloses alkali-activated porous carbon and a preparation method thereof, and relates to the field of new material preparation, and the preparation method comprises the following steps: uniformly mixing matrix carbon and a strong alkaline substance according to a mass ratio to obtain a mixed material, putting the mixed material into a crucible, and carrying out high-temperature calcination and cooling on the mixed material under the protection of an inert atmosphere; washing and filtering the mixed material subjected to high-temperature calcination for 3-6 times by using deionized water; after washing is completed, strong acid is used for soaking; and after soaking, filtering to obtain a mixed material filter cake, soaking the mixed material filter cake in ionized water, repeatedly washing, and drying until the pH value is neutral. The porous carbon material is prepared through alkali activation, the preparation steps are simple, expensive auxiliary equipment is not needed, the cost is low, preparation is safe, and the method has extremely high economic benefits and large-scale application prospects.

The invention discloses an iron-cobalt-based amorphous nanocrystalline soft magnetic alloy and a preparation method thereof, and relates to the technical field of nanocrystalline alloys.The iron-cobalt-based amorphous nanocrystalline soft magnetic alloy comprises an amorphous matrix and nanocrystalline distributed on the amorphous matrix in a dispersed mode, the chemical expression of the iron-cobalt-based amorphous nanocrystalline soft magnetic alloy is FexCoySiaBbPcCdCue, x, y, a, b, c, d and e in the formula respectively represent the atom percentage content of all corresponding components, wherein 6 < = c < = 10, 0 < = e < = 1, and x + y + a + b + c + d + e = 100. The preparation method comprises the following steps: mixing the raw materials according to the atomic percentage, smelting, preparing a molten master alloy ingot into an amorphous alloy strip by adopting a single-roller quenching method, cutting, wrapping with tinfoil, and carrying out annealing heat treatment in an annealing furnace. According to the iron-cobalt-based amorphous nanocrystalline magnetically soft alloy, a wide heat treatment process window can be obtained through component regulation and control, the iron-cobalt-based amorphous nanocrystalline magnetically soft alloy can be suitable for industrial production, and the iron-cobalt-based amorphous nanocrystalline magnetically soft alloy has good soft magnetic performance and can become a new material in the high-frequency working field.

The invention discloses surface performance detection equipment for new material research and development, and belongs to the technical field of detection equipment, the surface performance detection equipment comprises a base, the base is fixedly connected with a support frame, the top of the support frame is fixedly provided with a reflectivity tester body, and the bottom of a support cylinder is connected with a material bearing turntable through a bearing; a rotating adjusting part is installed in the middle of the material bearing rotary disc, the rotating rod is sleeved with a lifting plate, the rotating rod can drive the lifting plate to move up and down, the lifting plate can drive the clamping plates to conduct clamping and loosening movement through the push rods, and the rotating rod can drive the material bearing rotary disc to rotate through the rotating adjusting part. The device has the technical effects that multiple to-be-detected samples are clamped and fixed at the same time, the new material to-be-detected samples are stably positioned, the multiple fixed samples are continuously detected, the detected samples can be automatically loosened and discharged, and the detection working efficiency of the new material samples is effectively improved.

The invention relates to the technical field of new materials, and mainly relates to a double-component low-viscosity ultralow-temperature adhesive as well as a preparation method and a use method thereof. The double-component low-viscosity ultralow-temperature adhesive comprises a component A and a component B. The component A comprises the following components in percentage by mass: 20-40% of bisphenol A epoxy resin, 4-8% of aromatic epoxy resin, 6-10% of polyurethane modified epoxy resin, 1-2% of a rubber toughening agent, 5-20% of a diluent and the balance of an additive. And the component B comprises the following components in percentage by mass: 10-40% of a polyether amine curing agent, 10-40% of a fatty amine curing agent, 10-40% of an aromatic amine curing agent and 10-40% of a phenolic aldehyde amine curing agent. The adhesive provided by the invention has relatively strong compressive strength and excellent toughness, can keep good toughness in a low-temperature environment, is not easy to cause brittle rupture, can bear relatively large mechanical load, and is suitable for various industrial applications.

The invention belongs to the technical field of new building materials, and provides a low-alkalinity and early-strength ardealite filling and curing material and a preparation method thereof.The low-alkalinity and early-strength ardealite filling and curing material is prepared from ardealite, a curing agent and water, the curing agent comprises silica fume, limestone powder, superfine granulated blast furnace slag powder, metakaolin, calcium aluminate powder, Portland cement clinker powder, a suspension stabilizer and hydroxypropyl methyl cellulose ether. The problems of delayed coagulation, low early strength and high alkalinity of a common cement-based ardealite filling material can be solved, and the technical requirements of ardealite cemented filling are met.

The invention discloses a polyethylene composite material as well as a preparation method and application thereof, and belongs to the technical field of high polymer materials. The polyethylene composite material comprises the following components in parts by weight: 100 parts of high-density polyethylene, 6-20 parts of a high-density polyethylene reclaimed material, 3-16 parts of ultra-high molecular weight polyethylene, 1-6 parts of a compatilizer, 1-2 parts of an inorganic filler and 1-2 parts of a flow modifier, 2-3 parts of color master batch; wherein the viscosity average relative molecular weight of the ultra-high molecular weight polyethylene is 1,000,000-2,000,000, and the test standard is ASTM (American Society for Testing Material) D4020. According to the polyethylene composite material disclosed by the invention, part of the high-density polyethylene recycled material is doped, and the interface bonding force between the new high-density polyethylene material and the high-density polyethylene recycled material is improved through the synergistic effect of the ultra-high molecular weight polyethylene, the compatilizer and the inorganic filler; the mechanical property and the wear-resisting property of the polyethylene composite material doped with the high-density polyethylene reclaimed material are improved.

The invention relates to the field of new materials, and discloses a method for preparing a composite material by filling PLA / PBS with fibers, and the composite material comprises the following raw materials by weight: 30-40 parts of polylactic acid, 10-20 parts of poly (butylene succinate), 40-50 parts of fibers, and 1-3 parts of maleic anhydride grafted polylactic acid. Comprising the following steps: S1, performing gradient modification on fibers: S101, pretreating the fibers by using a compound enzyme; s102, in a polylactic acid melt blending stage, adding maleic anhydride to carry out in-situ grafting compatibilization; s2, low-temperature high-shear dispersion: mixing the fibers modified in the step S1 with polylactic acid, poly (butylene succinate) and maleic anhydride grafted polylactic acid. Through a fiber gradient modification technology, bio-enzyme pretreatment and maleic anhydride in-situ grafting compatibilization are utilized, and an interpenetrating network structure of a polylactic acid chain segment is formed on the fiber surface, so that the tensile strength of the composite material is effectively improved to 80-90 MPa.

The invention discloses a testing machine for a new material compression resistance test, and relates to the technical field of compression resistance testing, the testing machine comprises a detection frame, a placing table is fixedly connected to the bottom end in the detection frame, a hydraulic telescopic rod is fixedly connected to the top of the placing table, and the testing machine further comprises a connecting plate arranged at the top end in the detection frame; the telescopic end of the hydraulic telescopic rod is fixedly connected with the connecting plate, a lower pressing plate is arranged at the bottom of the connecting plate, a plurality of connecting rods are fixedly connected between the lower pressing plate and the connecting plate, and the lower pressing plate and the connecting plate are rotationally connected with a lead screw; in order to adjust the size of the downward pressing surface of the new material during downward pressing detection, the sliding plate is pushed by the pushing piece to slide into different fixing frames and is connected and locked with a plurality of downward pressing rings according to needs, so that the size of the downward pressing surface is rapidly adjusted, and manual disassembly is avoided.

The invention discloses a quality inspection method and system for a new material production and processing process, and relates to the technical field of material quality inspection, and the method comprises the steps: collecting different batches of new material sample images after processing at each production stage; orderly classifying and marking the new material sample images according to batches and processes to serve as a training set; constructing and training a feature extraction model of new material features based on the training set, and obtaining feature vectors of the new materials in each production stage through the feature extraction model; constructing a twin neural network model, and obtaining the similarity between the feature vector of the new material in each production stage and the standard feature vector of the new material in each production stage through the twin neural network model; and judging the quality of the new material in each production stage based on a similarity result. A comprehensive new material production and processing process quality detection system is formed, quality problems can be effectively prevented and found for specific types of new materials, and consistency and reliability of product quality are guaranteed.

The invention relates to the technical field of wind power blade material testing, and discloses a testing device and method for a salt spray corrosion test of a wind power blade composite material layer. According to the method, wind power blade composite material coating preparation parameters are obtained, and coating basic information is provided for subsequent performance evaluation; based on preset salt spray test environment control parameters, dynamic salt spray environment simulation conditions are generated so as to better fit the actual outdoor environment; then, a multi-sensor coupling monitoring network is constructed, real-time data acquisition is conducted on the corrosion process of the composite material coating, and comprehensive tracking of the corrosion process is achieved; processing real-time data by utilizing a corrosion characteristic analysis algorithm, generating a multi-dimensional corrosion characteristic index, and quantitatively representing the corrosion condition of the coating; and finally, evaluating the anti-corrosion stability of the new material coating in combination with the coating characteristic parameters and the multi-dimensional corrosion characteristic indexes. According to the method, the corrosion resistance of the coating in the actual environment can be more accurately reflected, and support is provided for research, development and application of the composite coating of the wind power blade.

The invention belongs to the technical field of new materials, and particularly discloses a modified zinc oxide-based bone implantation scaffold material, a forming method and a preparation method thereof, and a perfusion material comprises defect engineering modified zinc oxide nanoparticles loaded by hydrogel. The forming method comprises the following steps: filling a filling material of defect engineering modified zinc oxide nanoparticles loaded by hydrogel into the 3D printed bone implantation scaffold, curing under the irradiation of ultraviolet light, and then drying to obtain the filled and cured 3D printed bone implantation scaffold. According to the present invention, the scaffold using the perfusion material has effects of efficient antibacterial ability and bone repair promotion, the inherent defects of the zinc oxide material are improved from the defect engineering perspective, and the types of the bone repair material are increased.

The invention relates to a phenolic aldehyde-sodium alginate composite carbon material with a three-dimensional network porous structure as well as a preparation method and application of the phenolic aldehyde-sodium alginate composite carbon material. Cheap phenol and formaldehyde are subjected to addition polycondensation, the addition polycondensation reaction time is controlled, phenolic resin is prepared, the phenolic resin and sodium alginate are mixed, a phenolic resin polymer can be uniformly dispersed in sodium alginate hydrogel, then a cross-linking agent solution is added, a semi-interpenetrating network structure is formed, and the cross-linked sodium alginate hydrogel is prepared. The preparation method has the advantages that the flexibility and the controllability are high, the obtained carbon material has high specific surface area, high specific capacitance and high cycle stability, and a new preparation thought and a new material choice are provided for preparing efficient and clean supercapacitors.

The invention relates to a self-repairing polyurethane microcapsule as well as a preparation method and application thereof, and relates to the technical field of new materials. The microcapsule is mainly prepared from the following raw materials in parts by weight: 10 to 50 parts of polyisocyanate, 40 to 60 parts of oligomer polyol, 50 to 70 parts of a surfactant, 10 to 40 parts of a core material, 1 to 10 parts of a disulfide compound and 30 to 50 parts of a solvent. The self-repairing polyurethane microcapsule can recover the shape before damage under a heating condition, so that a wound is closed autonomously, and self-adaptive repairing of the damage is facilitated.

The invention discloses an environment-friendly polypropylene cable insulating material, which belongs to the technical field of new electrical materials, and is prepared by mixing maleic anhydride grafted polypropylene, maleic anhydride grafted elastomer, polythiol or polyhydric alcohol or an epoxy material and a catalyst, carrying out melting treatment, and carrying out cross-linking reaction to obtain the environment-friendly polypropylene cable insulating material. The environment-friendly polypropylene cable insulating material prepared by the invention has toughness due to the existence of the elastomer, has excellent mechanical properties due to the existence of the cross-linked structure, and retains the recoverable and environment-friendly advantages of polypropylene due to the dynamic nature of the cross-linked structure, so that the environment-friendly polypropylene cable insulating material disclosed by the invention is suitable for practical application and has wide application prospects. Compared with an existing polypropylene cable insulating material, the electrical performance, the mechanical performance and the thermal performance of the polypropylene cable insulating material are greatly improved.

The invention provides an automatic control system and method for vacuum bag film production, relates to the field of intelligent control, and adopts a data processing and coding technology based on deep learning to carry out local time sequence implicit coding of the extrusion speed of an extruder and carry out semantic embedding coding on thermophysical property description of a vacuum bag film material. Therefore, intelligent adjustment of the cooling temperature is realized according to quick query response representation between the material thermal physical property semantic embedding feature and the local time sequence implicit coding feature of each extrusion speed. Therefore, the description about the thermal physical characteristics of the material input by the user can be directly processed, and manual parameter adjustment is not needed, so that the system can adapt to new materials or formula changes, and the operation difficulty and the error probability are reduced. Meanwhile, real-time dynamic adjustment of production process parameters can be achieved, control precision is improved, fluctuation of key parameters such as temperature is reduced, and stability and consistency of products are guaranteed.

The invention relates to a bionic Al / SiC composite material with a three-dimensional network multilevel structure and a preparation method of the bionic Al / SiC composite material, and belongs to the technical field of new material preparation. According to the method, through the collaborative process of freeze casting and organic foam impregnation, the problem that in the prior art, the multilevel aperture and the complex network structure are difficult to cooperatively regulate and control is solved. The preparation method comprises the following specific steps: preparing tert-butyl alcohol-based ceramic slurry, impregnating the slurry with polyurethane foam, performing freeze casting molding, removing a solvent through freeze drying, performing high-temperature sintering to form SiC ceramic with a three-dimensional reticular hierarchical pore structure, and finally preparing the Al / SiC composite material through a vacuum pressure infiltration process. Wherein a sintering aid is added into the slurry, so that the sintering temperature is obviously reduced; the specification (40-60 ppi) of polyurethane foam, the solid phase content (20-30 vol.%) of slurry, the freezing speed (0-90 DEG C) and the content (5-20 wt.%) of a sintering aid are regulated and controlled. And the cross-scale collaborative design of micron-scale directional holes and millimeter-scale mesh holes is realized. The Al / SiC composite material prepared by the invention has the advantages that the compressive strength, fracture toughness and other properties are obviously higher than those of the traditional single-aperture porous ceramic, and the Al / SiC composite material is suitable for the fields of manufacturing and energy absorption of precise instruments, electronic packaging and optical devices.

The invention relates to the technical field of injection molding waste plastic recovery, in particular to injection molding equipment and a process for producing plastic automobile ornaments. The equipment comprises an injection machine and an online recycling mechanism, the injection machine is provided with a double-channel solution cavity composed of a new material main runner and a waste material returning cavity, and the tail ends of the two channels converge in a 30-degree Y shape; the on-line recovery mechanism comprises a waste conveyor belt, a crushing mechanism and a transmission device, a magnetic separation impurity removal device is arranged in the crushing mechanism, and a discharge end is connected with the batching mechanism. Through double channels and a Y-shaped confluence structure, production waste is subjected to online recovery and crushing and then is fused, mixed and reused with new materials, the waste utilization rate is increased, and the cost is reduced. The magnetic separation and impurity removal device efficiently removes metal impurities through the movement of inclined avoiding, rotary impurity scraping and inclined discharging of a scraping plate; the batching mechanism removes dust to prevent impurities from affecting melt performance. The crushing device adapts to different waste materials, airflow assists discharging to improve the efficiency, and the green production concept is met.

The invention relates to the field of new materials, and discloses an antifouling and antibacterial coating material as well as a preparation method and application thereof, and the antifouling and antibacterial coating material comprises glycidyl methacrylate, a methacrylate betaine monomer and a methacrylate quaternary ammonium salt monomer. Compared with a release type antifouling and antibacterial coating, the antifouling and antibacterial coating material adopts a bionic technology, uses sulphobetaine as a functional group, is good in biocompatibility, does not contain toxic or heavy metal antibacterial agents, can ensure that the material is non-toxic for a long time, realizes eco-friendly long-acting antifouling and antibacterial effects, can be combined with a large number of water molecules, and has the advantages of being environmentally friendly and free of pollution. The coating contains quaternary ammonium salt monomers, forms a hydration layer on the surface, keeps certain biological inertness, reduces protein adsorption, contains the quaternary ammonium salt monomers, has excellent inhibition and killing effects on various bacterial infections, overcomes the problem that the coating is easy to fall off, and realizes firm bonding of the surface of the pipeline.

The invention discloses detection equipment for appearance defect detection of a new material lens, and relates to the field of lens detection.The detection equipment comprises a detection box, a lens conveyor used for conveying a lens body is installed on the detection box, and a first mechanical arm used for transferring the lens body to a transfer mechanism is arranged on the rear side of the lens conveyor; the left side of the transfer mechanism is provided with a second manipulator used for transferring the lens body on the transfer mechanism to the non-defective product conveyor and the defective product conveyor, and the second manipulator, the non-defective product conveyor and the defective product conveyor are all installed on the detection box. According to the detection equipment for appearance defect detection of the new material lens, through cooperative cooperation of the transfer mechanism and the cleaning mechanism, a lens body can rotate in the cleaning mechanism in the transfer process, dust and impurities attached to the outer surface are effectively removed through dynamic friction or the airflow effect, and the problem that pollutants are left in a traditional static cleaning mode is solved; therefore, the accuracy of subsequent appearance defect detection is obviously improved.

The invention relates to a preparation method of a high-thermal-conductivity hexagonal boron nitride film in the technical field of new materials, which comprises the following steps: acquiring particle size distribution data of hexagonal boron nitride powder treated by silane, and measuring the distribution condition of hexagonal boron nitride particles with different particle sizes by a particle size analyzer to obtain a particle size distribution curve; the influence of key process parameters on the heat-conducting property, the mechanical strength and the flame-retardant property is verified through experiments, performance data under different process parameters are obtained, and the influence rule of silanization treatment conditions on the surface property of hexagonal boron nitride and the performance of the composite material is focused on; and according to the heat-conducting property, the mechanical strength and the flame-retardant property data, optimizing process parameters by adopting a particle swarm optimization algorithm in a multi-objective optimization algorithm to obtain an optimal process parameter combination.

The invention provides a comprehensive evaluation method for the compressive property of a coal mine grouting reinforcement material. The evaluation method comprises two aspects of static compressive property evaluation and dynamic compressive property evaluation. According to the static compression resistance evaluation, uniaxial compression strength testing is carried out on a grouting reinforcement material test piece, and the compression strength change rule of samples in different aging periods is obtained and used for evaluating the static compression resistance of the samples. According to the dynamic compression resistance evaluation, a Hopkinson pressure bar is adopted for dynamic impact performance testing, strain data, strain rate data and stress data are obtained, and a stress-strain curve is further obtained and used for evaluating the dynamic compression resistance of the sample. The evaluation method disclosed by the invention is relatively comprehensive, comprises two aspects of static compression resistance evaluation and dynamic compression resistance evaluation, can comprehensively and deeply reflect the compression resistance of the grouting reinforcement material, and provides a basis for performance optimization of the grouting reinforcement material and development of a new material.

The invention discloses an atomic absorption spectrometer for new material detection, and relates to the technical field of atomic absorption spectrometers, the atomic absorption spectrometer comprises a spectrometer body; a liquid supply mechanism is arranged below the front surface of the spectrograph body, the liquid supply mechanism comprises a liquid supply bearing table, and a liquid supply rotating disc is rotationally arranged in the liquid supply bearing table through a motor; wherein an absorption mechanism is arranged at the lower part in the spectrograph body, the absorption mechanism comprises a liquid taking sliding plate, and a liquid taking corrugated pipe is arranged in the middle of the front end of the liquid taking sliding plate in a penetrating manner. According to the atomic absorption spectrometer for new material detection, a liquid supply bearing table drives a liquid supply rotating disc to rotate, a standard reagent bottle and a solution reagent bottle are borne, a liquid taking sliding plate and a lifting strip plate which slide forwards drive a liquid taking corrugated pipe to move and then descend, and the liquid taking corrugated pipe ascends and descends in a reciprocating mode during rotation; therefore, repeated operation of calibration and detection during detection is realized, and the accuracy of atom detection is improved.