30 results about "Nano crystallites" patented technology

The invention relates to the technical field of temperature control, in particular to a nanocrystalline glass annealing treatment temperature dynamic monitoring control method and system, and the method specifically comprises the steps: capturing an unsteady thermal radiation signal in a glass internal microcrystalline phase change process in real time, and synchronously obtaining three-dimensional residual stress distribution data; dividing the annealing process into gradient crystallization control units according to the time-temperature transition characteristic of the glass; constructing a crystal phase evolution model, and dynamically analyzing the coupling relationship between the microcrystal nucleation rate and the residual stress of each gradient crystallization control unit; and a multi-target particle swarm optimization algorithm is adopted, and temperature field gradient distribution is corrected in real time in combination with grain boundary migration kinetic parameters. According to the invention, the problem of residual stress accumulation and grain size mismatch in a nanocrystalline glass annealing process in the prior art is solved.

A high-strength, highly transparent nanocrystalline glass, a preparation method therefor, and a use thereof. The high-strength, highly transparent nanocrystalline glass uses precursor minerals mainly comprising synthetic aluminum-rich feldspar-like ceramic glass material, β-spodumene material, cordierite material, synthetic β-dicalcium silicate material, and magnesium aluminum spinel material for the main body of a feldspar-like matrix glass having a stable structure. Ultrafine zirconia powder having a particle size of less than 10 nm is used as a nucleating agent and microcrack damping and pinning agent, to control the formation of nanocrystals smaller than 100 nm in the glass body formed after melting. The volume percentage content of the nanocrystals is 50%-95%, and the nanocrystals together with the matrix glass form a high-strength, highly transparent nanocrystalline glass having a uniform microstructure. The obtained nanocrystalline glass has high hardness, high fracture toughness and high light transmittance, and is suitable for manufacturing various types of optical glass.

The invention relates to high-strength and high-transparency nano glass ceramic and a preparation method and application thereof, and the high-strength and high-transparency nano glass ceramic is prepared from a synthetic aluminum-rich feldspar ceramic glass material, a beta-spodumene material, a cordierite material, a synthetic beta-dicalcium silicate material and a magnesium aluminate spinel material. According to the present invention, a stable-structure feldspar matrix glass is adopted as a main body precursor mineral material, zirconia micro-powder with a particle size of less than 10 nm is adopted as a nucleation agent and a micro-crack damping pinning agent, nanometer microcrystals with a particle size of less than 100 nm are controlled to be generated in a glass body formed after melting, and the nanometer microcrystals account for 50-95% by volume; the high-strength and high-transparency nanocrystalline glass with a uniform microstructure is formed and woven with matrix glass in a symbiotic manner. The prepared nano microcrystalline glass has the advantages of high hardness, high fracture toughness resistance and high light transmittance, and is suitable for manufacturing various optical glass.

The utility model discloses nanocrystalline glass capable of being quickly butted and mounted, which comprises a nanocrystalline glass body, and the outer side of the nanocrystalline glass body is nested in a frame; an inserting block is fixed to the bottom of the frame, a groove is formed in the top of the frame, the inserting block extends into the groove to form a limiting mechanism, a plug pin is slidably connected to the top of the frame, the rear end of the plug pin penetrates through the interior of a through hole, the through hole is formed in the inserting block, and a clamping block is rotationally connected to the rear end of the plug pin; the outer end of the clamping block extends into the clamping groove to form a clamping mechanism, and the clamping groove is formed in the frame. The nanocrystalline glass for rapid butt joint installation is provided with the plug pins, and the plug pins are inserted into the frame, so that the plug pins can limit the insertion blocks, rapid butt joint installation can be carried out between the nanocrystalline glass bodies, and the construction efficiency is improved.

The invention relates to the field of dust separation, and particularly discloses an intelligent dust removal device and method based on nano microlite wall panel machining, the intelligent dust removal device comprises a separation box, the separation box is provided with an inlet and an outlet, the inlet of the separation box is connected with a dust suction pipe, the outlet of the separation box is connected with an air pump, and a plurality of separation pieces are arranged in the separation box; the apertures of the plurality of separating parts from the inlet to the outlet are sequentially decreased, the separating box and the separating parts are circular, and a through hole penetrating through the separating part in the thickness direction is formed in the center of each separating part. The impact plate strikes the separation part under the action of the electromagnetic spring to generate vibration and reverse blowing airflow, adhered dust can be effectively shaken off, airflow interference is avoided in combination with the baffle, and the self-cleaning effect is improved; according to the active cleaning mechanism, dust adhesion is reduced, stable filtering efficiency is ensured, meanwhile, energy consumption is reduced, and intelligent maintenance of equipment is achieved.

The invention discloses lake blue nano microcrystalline glass and a preparation method thereof, and belongs to the field of high-end artificial gems, precision optical elements and microcrystalline glass materials. Based on a specific component design and a preparation process, comprehensive improvement of material hardness, thermal stability, spectral stability and color consistency is synchronously realized, and the nano-microcrystalline glass which is magnificent in color and luster and comparable to natural lake blue tourmaline in physical strength and long-term durability is obtained. An ideal solution can be provided for high-end jewelry accessories, reliable performance can also be provided for optical application, and the method has important value for promoting upgrading and innovation of related industries.

This invention relates to the field of microcrystalline glass technology, and discloses a high-toughness, anti-glare sodium-calcium nanocrystalline glass, its preparation method, and its application. The nanocrystalline glass is composed of glass raw materials, nucleating agents, and crystallizing agents. The preparation method is as follows: (1) grinding and mixing the glass raw materials in proportion to obtain a mixture; (2) heating the mixture to melt to obtain a glass melt; (3) pouring the glass melt into a preheated mold for molding, and then annealing it to obtain a base glass; (4) adding nucleating agents and crystallizing agents to the base glass; (5) performing a one-step heat treatment on the base glass to obtain sodium-calcium nanocrystalline glass; (6) performing a surface coating treatment on the sodium-calcium nanocrystalline glass to obtain a high-toughness, anti-glare sodium-calcium nanocrystalline glass. The microcrystalline glass prepared by this invention has a dense structure, high toughness, and high anti-glare characteristics, and can be used as a microcrystalline glass material for mobile phone and tablet glass covers.

1. The name of the design product: nano-microcrystalline penetration promoting instrument (2). 2. The use of the design product: instrument for beauty. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best shows the design points: perspective view 1. 5. The design claimed contains color.

1. Name of the design product: Nano-crystalline Hydra Facial Instrument (H1-ES1). 2. Use of the design product: For oxygen injection and moisturizing, beauty care, and health care of human skin. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view.

The utility model relates to a nanocrystalline massage head mechanism of beauty instrument, including microcrystalline cap, crystal head shell, crystal solution bottle, said microcrystalline cap can be arranged at the upper end of crystal head shell in the telescopic way, the lower end of crystal head shell with crystal solution bottle detachable connection, the inside of crystal head shell is provided with outer conduit, said crystal head shell with crystal solution bottle inside is provided with said crystal head shell with said crystal solution bottle inside, said crystal head shell with said crystal solution bottle inside is provided with said crystal head shell with said crystal solution bottle inside. The lower end of the outer guide pipe is communicated with the crystal solution bottle, an inner guide pipe is arranged in the microcrystal cap, the lower end of the inner guide pipe penetrates and extends into the outer guide pipe, a microchip is arranged at the upper end of the microcrystal cap, a microcrystal hole is formed in the microchip, and the upper end of the inner guide pipe is communicated with the microchip. According to the nanocrystalline massage head mechanism of the beauty instrument, the massage effect of finger pressing can be simulated, and the beauty effect can be improved in cooperation with liquid outlet.

1. Name of the Design Product: Nano Microcrystal Importer (H1). 2. Use of the Design Product: For beauty treatment, to import skin care products into the face and body. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

The invention relates to the technical field of microcrystalline glass, and discloses high-toughness and anti-dazzle sodium-calcium nano microcrystalline glass, a preparation method and application, the nano microcrystalline glass is composed of a glass raw material, a nucleating agent and a crystallization agent; the preparation method comprises the following steps: (1) grinding and uniformly mixing the glass raw materials in proportion to obtain a mixture; (2) heating the mixture until the mixture is molten to obtain a glass melt; (3) pouring the glass melt into a preheated mold for molding, and cooling and annealing to obtain base glass; (4) adding a nucleating agent and a crystallizing agent into the base glass; and (5) carrying out one-step heat treatment on the basic glass to obtain the sodium-calcium nano microcrystalline glass. And (6) carrying out surface coating treatment on the sodium-calcium nano microcrystalline glass to obtain the high-toughness and anti-glare sodium-calcium nano microcrystalline glass. The microcrystalline glass prepared by the invention is compact in structure and high in toughness, has the characteristic of high anti-glare performance, and can be used as a microcrystalline glass material of a flat glass cover plate of a mobile phone.

The invention discloses a nanocrystalline glass calendering production tension regulating device and method, and relates to the technical field of calendering rollers of calenders.The nanocrystalline glass calendering production tension regulating device comprises a stand, a fixed roller is arranged on the surface of the stand, a tension control assembly is arranged above the fixed roller and comprises an air cylinder arranged at the top of the stand, and a piston rod at the end of the air cylinder is provided with a movable base plate; a movable roller is arranged in the movable seat plate, the fixed roller and the movable roller are both driven by a motor, the tension of the pressure melt is accurately adjusted by controlling the distance between the fixed roller and the movable roller, a cooling pond is arranged below the stand, cooling liquid is contained in the cooling pond, and cooling assemblies are arranged at the bottoms and the tops of the fixed roller and the movable roller correspondingly. The piston rod at the end of the air cylinder is controlled to drive the movable base plate to move downwards in the vertical direction, the movable base plate drives the fixed roller and the cooling roller to move downwards when moving, the position between the water inlet formed in the end of the cooling roller and the tap pipe is offset in the downward moving process of the cooling roller, and displacement compensation is conducted on the cooling roller through the rubber connecting sleeve; and therefore, the tension can be conveniently and quickly adjusted.

The invention relates to the technical field of microcrystalline glass, in particular to high-strength and high-transmittance nano microcrystalline glass and a preparation method and application thereof.The preparation method comprises the following steps that raw materials are placed in a crucible to be evenly mixed, melted and clarified, and molten glass liquid is obtained; forming the molten glass into a glass sheet, and cooling to obtain base glass; carrying out microstructure pretreatment on the basic glass, cleaning and drying; carrying out ion exchange strengthening on the pretreated base glass; and carrying out two-stage heat treatment on the reinforced glass to obtain the nano microcrystalline glass, the preparation method comprises the following steps: plating an anti-reflection film layer on nano-glass ceramics through magnetron sputtering to obtain high-transmittance nano-glass ceramics; and transferring the high-transmittance nano glass ceramics into a fluorocarbon silane solution, and forming an anti-fingerprint layer through fluorine chain interfacial polymerization to obtain the anti-fingerprint hydrophobic nano glass ceramics. The nano microcrystalline glass prepared by the invention has high strength and high light transmittance, and can meet the requirements of different industries.

The invention relates to the technical field of glass pressing equipment, in particular to a nanocrystalline glass pressing forming machine for an electronic optical cover plate, which comprises a stand, a round frame and a driving mechanism, four forming dies are arranged on the round frame around the rotating shaft in an array mode, a feeding area, a pressing area, an annealing area and a discharging area are sequentially arranged on the four sides, around the rotating shaft, above the stand, and a pre-pressing feeding mechanism is arranged at the position, corresponding to the feeding area, of the stand. According to the invention, the lump-shaped molten frit can be pre-pressed into a plate-shaped calendered body matched with the internal size of the mold cavity through the pre-pressing feeding mechanism before feeding, so that the volume of the frit is highly matched with the volume of the mold cavity, the situation that the frit overflows due to the fact that the height of the piled frit exceeds the depth of the mold cavity during pressing is avoided, and the glass pressing forming quality is effectively improved; and the pre-pressed and molded calendered body has a preliminary shape, and can be quickly filled into a mold cavity for molding during formal pressing, so that the pressing and molding efficiency is improved.

The invention relates to a method for manufacturing an optical waveguide. The method comprises the following steps: providing a substrate; depositing an aluminum nitride waveguide core on the substrate; and arranging a cladding layer on the deposited aluminum nitride waveguide core. The arrangement comprises at least one processing step during which the deposited aluminum nitride waveguide core is subjected to a given maximum temperature. The method is characterized in that depositing the aluminum nitride waveguide core comprises forming nanocrystallites in the aluminum nitride waveguide core, and in that the aluminum nitride waveguide core will need to have a temperature for significantly increasing the size of the formed nanocrystallites above the given maximum temperature during the placement of the cladding layer, wherein the given maximum temperature is about 800 degrees Celsius or higher.

The invention relates to the technical field of composite material preparation, in particular to a preparation method of nanocrystalline Y2O3 composite electric smelting Y2O3 spherical low-temperature sintering powder, which mainly comprises the following steps: firstly, preparing nanocrystalline Y2O3 precursor slurry by adopting a chemical method, then mixing the nanocrystalline Y2O3 precursor slurry with electric smelting Y2O3 micron powder with a specific proportion and granularity and an additive to form mixed slurry, and finally preparing the nanocrystalline Y2O3 composite electric smelting Y2O3 spherical low-temperature sintering powder. Carrying out ball milling treatment on the mixed slurry to form stable precursor slurry; then carrying out spray drying on the precursor slurry to prepare spherical precursor particles; finally, under the condition that the temperature is lower than the conventional densification sintering temperature of Y2O3, the obtained spherical precursor particles are subjected to light calcination treatment, and the final nanocrystalline Y2O3 composite electric smelting Y2O3 spherical low-temperature sintering powder is obtained. The spherical low-temperature sintering powder prepared by combining spray drying and light calcining processes has high sintering activity, low-temperature sinterability and excellent forming performance.

The invention discloses a robot for detecting appearance and performance of nanocrystalline glass based on multi-sensor fusion, which comprises a lifting frame, a first conveying part and a second conveying part, and is characterized in that a sensor module for detecting glass is mounted at the bottom of the lifting frame, and two groups of moving frames are arranged at the lower end of the lifting frame; an accommodating space for accommodating the negative pressure control part is arranged between the two; when glass is conveyed to the containing space through the first conveying part, the lifting frame drives the negative pressure control part to move downwards, the glass is grabbed through the second grabbing plate, and the overturning motor acts to drive the negative pressure control part to turn over the glass. The lifting frame and the negative pressure control part are driven by the electric push rod to move up and down, so that the turning operation of glass can be realized, the overall structure of the equipment is compact, the occupied space is small, and the glass turning efficiency is greatly improved; and meanwhile, the structure can ensure that the placement position of the turned glass is completely overlapped with the initial position, the deviation phenomenon is avoided, the glass detection quality is effectively guaranteed, and the detection error is reduced.

The application discloses a projection screen with nano microcrystal structure and a manufacturing method thereof. The screen is composed of a nano microcrystal layer formed by transparent crystals with different shapes and sizes and a structure layer with a continuous curved surface and an irregular array structure layer with different curvatures and different heights. The structure layer provides a basic angle distribution and uniformity of reflected light in space. The nano microcrystal layer refracts light to efficiently distribute the light in a set space angle, expands the visual angle of the screen, improves the uniformity of the screen, optimizes the space distribution, reduces the space distribution of reflected light in a non-main observation area, ensures better viewing quality, increases an absorption layer to effectively absorb a small amount of transmitted light penetrating the reflection layer, ensures no interference to an image, improves a system contrast polarization ratio, increases a crystal layer, increases multiple reflection effects and strengthens reflected light by means of a transparent nano film layer and the increase of adhesion of the reflection layer and protection of the reflection layer.

1. Name of the design product: Nano-crystalline introducer (H5). 2. Use of the design product: An introducer for skin beauty. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view 1.

The invention discloses nanocrystalline glass calendaring equipment and a control method thereof, and relates to the technical field of microcrystalline glass processing, the end point of the maximum allowable continuous operation speed interval is used as a safe operation boundary point in a process regulation strategy, a speed-risk coupling model is constructed, and a comprehensive risk evaluation value at a corresponding calendaring speed is output. And in the process control stages from the speed intervention point to the end point of the maximum allowable operation interval, for each process control stage, on the basis of the comprehensive risk evaluation value output in real time in the process control stage, the allowable rolling speed upper limit value of the stage is calculated, and a speed safety boundary curve dynamically adjusted along with the process progress is formed. According to the control method, through a technical path of risk identification-boundary quantification-dynamic regulation and control, the intelligent level of the production process is remarkably improved while the forming quality of the nanocrystalline glass and the reliability of equipment are guaranteed.

This invention relates to the field of special optical glass technology, and discloses a special optical glass, its preparation method, and its applications. The method includes: using oxides such as La2O3 and Ta2O5, as well as LaF3 and / or YF3, as raw materials, mixing them in a specific molar ratio and drying them to obtain a mixture; placing the mixture in a platinum crucible, melting it at 1580-1620℃ for 3-5 hours in air atmosphere while stirring; pouring it into a preheated mold at 300-500℃ to form a glass blank; annealing it at 540-580℃ and then cooling it; nucleating it at 580-590℃ and crystallizing it at 600℃ to precipitate ZrO2 nanocrystals; after crystallization, surface treating it, immersing it in a molten salt bath of KF:NaF=2:1 for ion exchange, and finally washing it with deionized water and drying it at 50-80℃. This invention achieves a high refractive index and a suitable Abbe number, while significantly improving the structural stability and crack resistance of the material.

The utility model belongs to the technical field of microcrystal plates, and particularly relates to a nanometer microcrystal plate and a microcrystal plate assembly thereof, the nanometer microcrystal plate comprises a microcrystal unit plate and a plurality of connecting fixing pieces, the two ends of the microcrystal unit plate are respectively provided with at least one mounting groove, and the mounting grooves are recessed inwards from the end face of the microcrystal unit plate in the length direction of the microcrystal unit plate to form a recessed depth; the two ends of the microcrystal unit plate are provided with installation grooves, the installation grooves are used for installing the connection fixing pieces, the upper ends of the connection fixing pieces can be fixed in a pouring material body, the lower end of each connection fixing piece can be detachably embedded in one installation groove, and the width of each connection fixing piece is two times of the depth of the corresponding installation groove. The bonding strength and stability between the microcrystal unit plate and the pouring material body are enhanced; and the width of the connecting and fixing piece is twice of the concave depth of the mounting groove, so that the two microcrystal unit plates can be connected with each other by using one connecting and fixing piece, and the splicing error between the two adjacent microcrystal unit plates is ensured.

This invention relates to the field of glass-ceramic technology, and particularly to a high-strength, high-transmittance nanocrystalline glass, its preparation method, and its applications. The preparation method includes the following steps: placing raw materials in a crucible for uniform mixing, melting, and clarifying to obtain molten glass; forming the molten glass into glass sheets and cooling to obtain base glass; subjecting the base glass to microstructure pretreatment, cleaning, and drying; subjecting the pretreated base glass to ion exchange strengthening; subjecting the strengthened glass to two-stage heat treatment to obtain nanocrystalline glass; depositing an anti-reflective film layer on the nanocrystalline glass using magnetron sputtering to obtain high-transmittance nanocrystalline glass; transferring the high-transmittance nanocrystalline glass to a fluorocarbon silane solution, and then polymerizing it through fluorine chain interfaces to form an anti-fingerprint layer to obtain anti-fingerprint hydrophobic nanocrystalline glass. The nanocrystalline glass prepared by this invention possesses high strength and high transmittance, meeting the needs of various industries.

The invention relates to a natural mineral microcrystal filter element and preparation thereof and a water molecule nanocluster optimization method, 5-40 parts of natural crystals are crushed and subjected to microcrystallization treatment, the obtained nanocrystal material is mixed with 40-80 parts of crushed forming material and 10-30 parts of crushed functional material, an electric field and a magnetic field are applied for sintering, and the natural mineral microcrystal filter element is obtained. Compared with the prior art, water molecules flowing through the nanocrystalline filter element are promoted to be rearranged to form small nano-molecular clusters, so that the biological activity of water is improved.

The present invention relates to the technical field of temperature control, and is a method and system for dynamically monitoring and controlling the annealing temperature of nano-crystalline glass. The specific method includes: capturing in real time the non-steady-state thermal radiation signal during the microcrystalline phase transformation process inside the glass, and synchronously obtaining three-dimensional residual stress distribution data; dividing the annealing process into gradient crystallization control units according to the time-temperature transformation characteristics of the glass; constructing a crystal phase evolution model to dynamically analyze the coupling relationship between the microcrystalline nucleation rate and the residual stress in each gradient crystallization control unit; and using a multi-objective particle swarm optimization algorithm to real-time correct the gradient distribution of the temperature field in combination with the grain boundary migration kinetic parameters. The present invention solves the problems of residual stress accumulation and grain size mismatch in the nano-crystalline glass annealing process in the prior art.

The invention discloses palatona nano microcrystalline glass and a preparation method thereof, and belongs to the field of high-end artificial gems, precision optical elements and microcrystalline glass materials. According to the preparation method disclosed by the invention, a large number of uniformly distributed zinc spinel nanocrystals and zirconium oxide nanocrystals are induced and separated out in a glass body through component design and a heat treatment process, and coloring ions are introduced in a melting process and enter crystal lattices of zinc spinel in subsequent crystallization heat treatment, so that the problem of chromatic aberration is fundamentally solved; and the color consistency is realized. The prepared palatona nano microcrystalline glass is high in hardness, good in thermal stability and color stability and excellent in comprehensive performance, and has a wide application prospect in the fields of artificial gems, precision optical elements and the like as a microcrystalline glass material.

This invention relates to the field of glass pressing equipment technology, specifically to a nanocrystalline glass pressing and forming machine for electronic optical cover plates. It includes a frame with a rotating shaft mounted on top, a circular frame mounted on top of the shaft, and a drive mechanism on the frame for driving the shaft's rotation. Four forming molds are arranged in an array around the shaft on the circular frame. Above the frame, around the shaft, are, in sequence, a feeding area, a pressing area, an annealing area, and a unloading area. A pre-pressing feeding mechanism is provided on the frame corresponding to the feeding area. This invention, through the pre-pressing feeding mechanism, can pre-press molten glass into a plate-shaped rolled body matching the internal dimensions of the mold cavity before feeding, ensuring that the glass volume matches the mold cavity's height and volume. This prevents overflow during pressing due to the material exceeding the mold cavity depth, effectively improving the quality of glass pressing. Furthermore, the pre-pressed rolled body already possesses a preliminary shape, allowing for rapid filling of the mold cavity during formal pressing, thus improving pressing efficiency.

The invention provides a nanocrystalline glass stress finite element simulation design method based on strategy optimization, and relates to the technical field of glass simulation design. A four-field coupling finite element model of a crystallization kinetic field, a temperature field, a viscoelastic stress relaxation field and a structural mechanical field is constructed, and material parameters are dynamically updated along with a crystallization integral number field; and iteratively updating the heat treatment path parameters through a strategy optimization method until preset residual stress control conditions are met. And finally, outputting optimal heat treatment path parameters and corresponding crystallization integral number field distribution and residual stress distribution results, and forming a reproducible simulation design result. According to the method, on the premise of considering the influence of devitrification phase change and viscoelastic relaxation, the adverse residual stress in the nanocrystalline glass is effectively reduced, and the accuracy of simulation design and the engineering reliability of a process scheme are improved.

1. The name of the design product: nano-microcrystalline penetration promoting instrument (1). 2. The use of the design product: instrument for beauty. 3. The design points of the design product: the combination of shape and color. 4. The picture or photo that best shows the design points: perspective view 1. 5. The design claimed contains color.