104 results about "Glass strength" patented technology

The invention discloses high-strength high-temperature-resistant fireproof industrial glass and a preparation method thereof, and relates to the technical field of glass manufacturing. The industrial glass is prepared from the following raw materials: silicon dioxide, boric oxide, aluminum oxide, sodium oxide, potassium oxide, niobium phosphate, a composite reinforcing component and a clarifying agent, the composite reinforcing component is prepared from hafnium oxide, gadolinium oxide and zinc oxide; the clarifying agent is obtained by mixing cerium dioxide and tin oxide. The preparation method of the industrial glass comprises the following steps: preparing functional components, melting glass, forming a glass substrate, and preparing the industrial glass. The prepared industrial glass is high in strength, good in high-temperature stability and excellent in fireproof performance.

The present invention relates to the a coating and the preparation thereof for improving glass strength and fracture toughness comprising the hydrolytic polycondensation product of one or more alkoxysilane(s) with one or more metal oxide(s) and / or metal alkoxide(s) in the presence of water and a catalyst. The present invention also relates to the use of the coating for repairing damaged silica containing materials.

The utility model relates to the technical field of glass lining strength detection, in particular to a glass lining impact strength detection device which comprises a ball screw module which is vertically arranged. The electromagnet is used for adsorbing a steel ball, and the electromagnet is driven by the ball screw module to do lifting motion; the transverse linear module comprises a first movable plate capable of moving in the transverse direction, and the transverse linear module is fixedly connected with the bottom end of the ball screw module; the longitudinal linear module comprises a second movable plate capable of moving in the longitudinal direction, and the longitudinal linear module is driven by the transverse linear module to do transverse linear motion; and one end of the positioning rod is hinged to the bottom of the peripheral face of the ball screw module through a damping hinge, and the positioning rod is provided with a storage position in a vertical state and an identification position in a horizontal state. According to the utility model, the impact point position of the steel ball on the glass lining plate can be accurately controlled.

The invention discloses a strength detection device and method for high-strength impact-resistant glass processing, and relates to the technical field of glass strength detection.The strength detection device comprises a device body, a mounting frame and a collection box, a hydraulic pump is mounted at the upper end of the device body, a hydraulic column is mounted at the output end of the hydraulic pump, and a pressing plate is mounted on the outer wall of the hydraulic column and provided with a pressing plate; an L-shaped plate is movably installed in the device body, an impact ball is installed at the bottom end of a hydraulic column, a detection probe is arranged in the device body, two sets of limiting shafts are symmetrically installed on the inner wall of the device body, and limiting plates are installed on the outer walls of the two sets of limiting shafts. According to the glass strength detection device, the impact balls, the L-shaped plates and the limiting plates are arranged, the impact balls move downwards to carry out strength detection operation on glass, if cracks are generated on the surfaces of one group of glass or the impact ends of the glass are broken, the two groups of limiting plates are turned over, so that the broken glass falls into the collecting box, and the glass detection efficiency is improved.

The invention relates to the technical field of lithium-aluminum-silicon glass reinforcement, in particular to lithium-aluminum-silicon glass, a cover plate and electronic equipment, the lithium-aluminum-silicon glass comprises a pressure stress layer and a tensile stress layer, the pressure stress layer is a part from the glass surface to DOL-0, and the rest is the tensile stress layer; the stress curve meets the conditions that CT-AV is larger than or equal to 70 MPa and smaller than or equal to 120 MPa, and CT-CV is larger than or equal to 100 MPa and smaller than or equal to 140 MPa; the absolute value of the average slope of stress distribution from the stress inflection point to DOL-0 is 1.2-2.3 MPa / mu m, the absolute value of the average slope of stress distribution from the surface of the glass to the stress inflection point is 60-250 MPa / mu m, the thickness range from the surface of the glass to the stress inflection point is 0-0.01 t, and the lithium-aluminum-silicon glass strengthening process is adjusted according to the conditions, so that the CT value is stabilized in the optimal range of glass strengthening. Therefore, the strength of the strengthened glass is obviously improved, and meanwhile, the phenomenon that the glass is self-exploded or the falling performance is reduced due to excessive strengthening is avoided. The problem that the whole machine abrasive paper falling performance is low due to the fact that existing lithium aluminum silicon glass is low in ion exchange depth is solved.

The utility model relates to the technical field of impact resistance testing of glass, and discloses glass impact resistance testing equipment which comprises a testing box, a sliding frame is fixedly installed on the outer wall of the testing box, a plurality of springs are fixedly installed in the sliding frame, a toothed plate is connected in the sliding frame in a sliding mode, and the toothed plate is connected with the testing box in a sliding mode. A pressing rod is fixedly welded to the outer wall of the toothed plate, and the outer walls of the two rotating shafts are fixedly sleeved with turning plates. According to the equipment for testing the impact resistance of the glass, when the glass needs to be tested, a movable door is opened, the glass is placed on a turning plate, a testing ball is placed into a throwing frame, the testing ball hits the glass, the effect of testing the strength of the glass is achieved, after the glass is broken, a partition plate is moved outwards, a pressing rod is treaded downwards, and the pressing rod can drive a toothed plate to move downwards; the toothed plate can drive the gears on the two sides to rotate, so that the turning plate rotates oppositely, the effect of pouring the glass residues is achieved, and the effect that workers do not need to manually clean the glass residues is achieved.

The invention relates to the technical field of fireproof glass testing devices, in particular to a fireproof glass strength testing device which comprises a furnace body, a furnace cover and a plurality of flame spray guns, a fixed frame is arranged in the furnace body, and a first protective shell and a second protective shell are mounted at the top of the fixed frame through an adjusting mechanism; a glass mounting seat is arranged in the fixed frame body, and a residue collecting box is arranged at the bottom of the fixed frame body. According to the scheme, through the residue collecting box arranged at the bottom of the fixed frame body, falling glass fragments and melts can be directly received in the testing process. And after the test is finished, the collecting box can be automatically moved out of the furnace and overturned and dumped by utilizing the pushing mechanism and the gear-rack linkage mechanism, so that the safe, convenient and automatic cleaning of residues is realized, the labor intensity and the risk of workers are greatly reduced, and the inner wall of the furnace body is effectively protected.

The invention relates to a method of manufacturing an inorganic silica-based hollow glass container, particularly a soda-lime-silica glass container in the form of a glass bottle. The method comprises the steps of providing a glass container with a hot coating; preparing a coating solution by mixing an amino-functional silane as a silica precursor compound, a solvent, and at least one alcohol and / or water to ensure controlled evaporation; applying the coating solution at least partially onto the external wall of the glass container; and, preferably at room temperature and an ambient temperature of up to 150°C, allowing controlled evaporation of the coating to obtain a food-grade coating layer with a thickness of <10 nm on the external surface of the glass container.

The invention relates to the technical field of tempered glass, in particular to low-temperature tempered high-alumina-silica glass and a preparation method thereof. The low-temperature reinforced high-alumina silica glass is prepared from the following components in percentage by mass: 50.0% to 65.0% of S O < 2 >, 15.0% to 30.0% of Al < 2 > O < 3 >, 10.0% to 16.0% of Na < 2 > O, 0% to 8.0% of K < 2 > O, 0% to 8.0% of MgO and 2.0% to 10.0% of P < 2 > O < 5 >. The strengthening temperature of the high-alumina-silica glass is lower than the decomposition temperature of potassium nitrate, so that the service life of the strengthening salt can be prolonged, the glass is continuously strengthened, and the strength of the strengthened glass still meets the requirement.

The invention relates to the technical field of glass preparation, in particular to high-strength glass and a preparation method thereof, and aims to solve the problem of poor glass strength caused by the fact that forage for manufacturing glass is conventional materials at present. According to the invention, SiO2, Al2O3, Na2O, K2O, MgO, ZrO2, B2O3 and materials are subjected to hot melting, then nano-silica is added, the nano-silica can improve the overall structural performance and toughness of the glass so as to improve the strength of the glass, and the nano-silica is matched with the impact resistance of K2O in the batch so as to further improve the strength of the glass, and after the materials are subjected to hot melting to form glass liquid, the glass liquid is not prone to falling off. The strength of the glass can be thoroughly stabilized through the procedures of annealing, cooling, cleaning, polishing and the like, so that the strength of the glass is improved by adding K2O and nano silicon dioxide in the batch.

The electric heat-melting interlayer vacuum heat-insulating and light-transmitting tempered glass plate around the edge of the tempered glass comprises a tempered glass plate, a gap isolation support and a closed-loop glass support. Two tempered glass plates with corresponding contour shapes and sizes are separated by a gap isolation support between the two tempered glass plates and a closed-loop glass support for filling the gap, so as to form a double-layer tempered glass plate with a spacer interlayer cavity. Through glass resistance hot-melt welding, the problem of loss of tempering of vacuum glass is solved, thereby solving the safety problem of vacuum glass. Compared with the existing vacuum glass, the vacuum glass made by this process method also has better heat preservation and sound insulation effects, and at the same time has top light transmittance. In terms of material, tempered glass can be widely used, the production cost is greatly reduced, the structural form is diversified, the glass has high strength, safety, long life, large size, low cost, high yield rate, and good heat preservation and sound insulation performance.

The present invention relates to the field of glass technology, and proposes a high-strength bent steel insulating glass and a preparation method thereof. The high-strength bent steel insulating glass comprises two layers of bent steel glass arranged at intervals and an isolation strip bonded to the bent steel glass interlayer. The bent steel glass is obtained by treating the bent steel glass mother material with a surface treatment agent. The surface treatment agent comprises the following components in parts by weight: 8 to 16 parts of acid, 2 to 24 parts of potassium thioacetate, 3 to 11 parts of calcium acetate, 0.5 to 13.5 parts of dodecyl trimethyl ammonium chloride, and 26 to 32 parts of water. Through the above technical solution, the problem of poor strength performance of bent steel insulating glass in the prior art is solved.

This utility model discloses a glass bending strength testing machine, belonging to the field of glass strength testing. The glass bending strength testing machine has a rectangular hollow frame set on the outer edge of a base. Protective structures are provided on all four sides of the frame. A discharge channel is formed between the long side of the base and the frame, located below the base. A glass collection box is detachably connected inside the discharge channel. A pressing mechanism is located at the top center of the frame. A guide rail is provided on the base along its length, and at least two sets of movable seats are slidably connected to the guide rail. Support rollers are provided on the movable seats. The pressing mechanism is located between the two sets of support rollers, with its output end facing the plane of the support rollers. This utility model can monitor and record the pressure value applied to the glass sample in real time, providing a reliable basis for subsequent data analysis and evaluation. It can also distribute the force applied by the pressure rollers to prevent stress concentration and improve the accuracy of glass strength testing.

The present application discloses a black near-infrared transparent glass and a preparation method thereof, and relates to the technical field of optical glass. A black near-infrared transparent glass is prepared from raw materials including the following components: SiO2, Al2O3, Na2O, K2O, ZrO2, ZnO, and Sb-containing compounds. The preparation method thereof comprises the following steps: S1: preparing the various component materials in the raw materials in proportion, melting them after mixing, and processing to obtain the basic glass; S2: performing color development treatment on the basic glass, and then processing it according to the required size specifications to obtain a semi-finished product; S3: chemically strengthening the semi-finished product to obtain a finished glass. The glass of the product is black and evenly colored, has extremely high light transmittance in the near-infrared region, and basically has no light transmittance in the visible light region; at the same time, the glass of the product has high strength performance, high hardness, scratch resistance and other capabilities, and excellent quality.

The utility model discloses an impact-resistant tempered glass strength detector, and belongs to the technical field of glass strength detection. An impact-resistant tempered glass strength detector comprises a detection table and a pressing block, the pressing block is installed above the detection table, the impact-resistant tempered glass strength detector further comprises two baffles which are symmetrically arranged and rotationally installed on the detection table through driven shafts, and a driving part for driving the two baffles to rotate is arranged on the detection table; the channel is formed in the middle of the detection table, and the baffle is arranged in the channel; the two clamping plates are symmetrically arranged above the detection table, and a moving part for driving the two clamping plates to move relatively is arranged on the detection table; the driving part drives the two baffles to rotate around the driven shaft to open the channel, so that broken glass is cleaned out of the detection table from the channel, manual cleaning is not needed, workers are protected, and the subsequent detection efficiency is improved.

The present invention discloses a glass processing device and a processing method, the device comprises a cutting table, a conveying mechanism is arranged above the output end of the cutting table, a manipulator in the conveying mechanism can place the glass plate onto a suction cup seat through a glue coating machine, a folding frame mechanism with a bending plate assembly is arranged on one side of the suction cup seat, the inner frame and the outer frame folded out by the folding frame mechanism are conveyed to cooperate with the glass plate through a clamping frame mechanism, a rolling steaming chamber is arranged on the other side of the suction cup seat, the rolling steaming chamber is used for washing and thermosetting the hollow glass after the hollow glass is washed by a rolling steaming cylinder; the method comprises: glass cutting, inner frame preparation, inner frame bonding, washing and thermosetting, interlayer inflation, outer frame preparation, outer frame bonding, filling and screening and sealing; the device in the invention integrates the processing equipment of the hollow glass, reduces the labor cost, and the vacuum glass prepared by the device has better strength and sealing, is not easy to leak and break, is easy to meet various customization requirements, and has strong applicability.

A method for reducing the strength of a first sheet of glass is described. A portion of a first major surface of the first sheet of glass is treated with a first powder to reduce the strength of the first sheet of glass. The first powder comprises particles having a particle size distribution, the particle size distribution having: a mean particle diameter between 1 µm and 250 µm; and a median particle diameter of greater than 5 µm. Glass sheets treated using such a method may be used to make a laminated glazing, wherein the first glass sheet is laminated to a sheet of glazing material using an interlayer structure comprising at least one sheet of adhesive interlayer material. The strength of the first sheet of glass may be reduced prior to, or after, being laminated to the sheet of glazing material.

A magnifier is the only product of its kind that offers a completely hands-free scope option that requires little to no adjustment after set-up. This unprecedented product is uniquely designed with high-grade magnifying lenses that cover large viewing areas, possesses durable LED lights to deliver operational excellence and glass strength ranging from 2 to 3× magnification to help with clarity for the viewer during utilization.

A glass strength evaluation apparatus includes a support unit, a plate disposed on the support unit and including a surface on which a glass article, which is a target to be tested, is disposed, a fixing jig disposed on the plate and a power unit lifting up or down the fixing jig in a vertical direction toward the surface of the plate. The fixing jig includes a body portion, which extends in the vertical direction and lower fixing bolts. A press-fitting member insertion opening is recessed from a bottom of the body portion to extend in an upward direction, lower fixing bolt insertion holes penetrate the body portion, from one side of the body portion, in a first horizontal direction intersecting the vertical direction, to be extended to the press-fitting insertion opening, and lower fixing bolts are coupled into the lower fixing bolt insertion holes.

The present invention relates to the technical field of strength testing, and in particular to a method and device for accurately testing the strength of tempered glass, comprising: collecting images of glass fragments after impact damage to obtain a connected domain of glass fragments; analyzing the grayscale features of through-cracks to mark suspected crack pixels in the connected domain of glass fragments; determining a target through-crack set in the connected domain of glass fragments according to the shape features of the through-cracks and the grayscale distribution features in the connected domain of glass fragments; obtaining the penetration of each element in the target through-crack set according to the contour features of the element; determining a real through-crack according to the penetration; determining the actual number of glass fragments in the glass fragment image based on the real through-cracks, and obtaining the strength test result of the tempered glass. The present invention obtains a more accurate number of glass fragments, and improves the accuracy of the strength test of tempered glass.

The invention relates to a method of manufacturing an inorganic silica-based hollow glass container, particularly a soda-lime-silica glass container in the form of a glass bottle. The method comprises the steps of providing a glass container with a hot coating; preparing a coating solution by mixing an amino-functional silane as a silica precursor compound, a solvent, and at least one alcohol and / or water to ensure controlled evaporation; applying the coating solution at least partially onto the external wall of the glass container; and, preferably at room temperature and an ambient temperature of up to 150°C, allowing controlled evaporation of the coating to obtain a food-grade coating layer with a thickness of <10 nm on the external surface of the glass container.

The invention discloses a falling ball test device for multi-dimensional glass strength test, and particularly relates to the technical field of strength test, the falling ball test device for multi-dimensional glass strength test comprises a support, a guide groove disc, a support frame and a synchronous falling ball intelligent sensing test mechanism; the synchronous falling ball intelligent sensing test mechanism comprises a driving motor, a sleeve block and a linkage ring, and further comprises a synchronous release test mechanism and a synchronous vertical falling ball adjusting test assembly. The synchronous falling-ball intelligent sensing testing mechanism has the advantages that multi-dimensional synchronous adjustment testing is performed on a plurality of corner pressure sensors according to specified angle positions, and the glass strength falling-ball adjustment testing efficiency is greatly improved, so that the problems that synchronous adjustment testing according to the specified angles is difficult to realize, and the testing precision is high are solved. And aiming at free falling balls at multiple vertical positions, the adjustment test is difficult to synchronously carry out according to specified positions, so that the glass strength falling ball adjustment test efficiency is relatively low.

The present invention relates to the technical field of glass. Disclosed is a composite strengthening method for improving the strength of ultrathin glass. The method specifically comprises: the following composite strengthening steps for an ultrathin glass cover plate: step 1. cleaning and drying the surfaces of an ultrathin glass cover plate prepared on a production line; and step 2. using ultrafast laser to perform full-surface heat accumulation treatment on the front and back surfaces of ultrathin glass, and naturally cooling the ultrathin glass to microcrystallize the upper and lower surfaces of the glass. By using these steps to strengthen the ultrathin glass cover plate and using laser to induce microcrystallization on the surfaces of the glass before chemical strengthening, the present invention solves inherent deformation and warpage problems caused by conventional physical tempering, and problems such as insufficient strength of the ultrathin glass caused by insufficient degree of ion exchange in single chemical strengthening, ensuring not only the appearance of the ultrathin glass but also the strength and bending performance of the glass.

This invention provides a high-strength, stable engineering stress-distribution glass, its preparation method, and apparatus. One side of a glass sample that has undergone a single ion exchange is cooled to a low temperature, while the other side is brought into contact with the molten salt surface. The ion exchange temperature cutoff depth inside the glass is determined by the molten salt temperature. A second ion exchange is then performed to obtain the high-strength, stable engineering stress-distribution glass. This invention simplifies and controls the secondary ion exchange process for glass, achieving both increased glass strength and improved glass stability.

The invention discloses a method for improving the strength of AG TP glass, the passing rate of a full-plate seven-point falling ball test of the AG TP glass manufactured by the method is greater than or equal to 90%, and the strength of the AG TP glass is reliably improved. The method comprises the following steps: S1, alkaline pretreatment: immersing AG TP glass into a mixed alkaline solvent with the pH value of 12-13; s2, chemical strengthening: washing away the residual solution on the surface of the AG TP glass subjected to the alkaline pretreatment with deionized water, then putting the AG TP glass into a chemical strengthening furnace containing molten salt such as potassium nitrate, and carrying out ion exchange reaction at high temperature to form a pressure stress layer on the surface of the glass; and S3, performance testing, wherein the AG TP glass passing the detection is packaged and warehoused.

The invention discloses a method for testing the peel strength of a photovoltaic module, which comprises the following steps: providing a test sample which comprises a back plate, a first EVA (Ethylene Vinyl Acetate) adhesive film, a second EVA adhesive film and glass; an opening is formed in the same position of the back plate, the first EVA adhesive film and the second EVA adhesive film, so that the test sample has two test areas; two pieces of isolation cloth are provided, one piece of isolation cloth is used for isolating the back plate of one testing area from the first EVA adhesive film, and the other piece of isolation cloth is used for isolating the second EVA adhesive film of the other testing area from the glass. The openings are formed in the same positions of the back plate, the first EVA adhesive film and the second EVA adhesive film, so that one test sample has two test areas, and the back plate in the two test areas is separated from the first EVA adhesive film and the second EVA adhesive film and the glass through the isolation cloth respectively; therefore, the glass strength test between the EVA adhesive film and the backboard and the strength test between the EVA adhesive film and the glass can be respectively carried out in the two test areas, the test process is simplified, and test materials are saved.

The utility model discloses a liquid crystal display screen capable of improving strength of glass in a single-layer area, which comprises a lower polaroid, a lower substrate, an upper substrate, an upper polaroid and a cover plate which are sequentially overlapped from bottom to top, and the lower substrate is longer than the upper substrate and extends outwards to form the single-layer area. A driving IC and an FPC are bound on the upper surface of the lower substrate in the single-layer area, diamond-like glass films are arranged on the upper surface and the lower surface of the lower substrate in the single-layer area, and the diamond-like glass films avoid the binding area of the driving IC and the FPC. A single-layer area except an IC binding area and an FPC binding area is placed in a vacuum environment, ionized carbon particles and hydrogen particles are deposited on glass under the common control of an electric field and a magnetic field to form a layer of nano-scale diamond-like glass film, and the hardness of the diamond-like glass film is far higher than that of a glass material; therefore, the strength of the lower substrate in the single-layer area is improved.

The invention discloses a glass processing method for fragment identification and tracing. The method comprises the following steps: determining a plurality of laser code depths in the thickness direction of a glass raw material according to linear cutting requirements and laser code requirements; a laser is adopted to form invisible codes with unique codes and consistent code point sizes at all depths in the direction from the bottom surface to the top surface through laser; reading and associating all invisible code information; carrying out linear cutting to obtain a plurality of glass sheets; and in the back-end process, reading the invisible code, and binding the invisible code with the production quality data to realize full-life-cycle tracing. Through the multi-layer depth coding and intelligent code reading strategy, it is ensured that the invisible code can still be stably recognized after being subjected to ink preparation and other back-end processes, the influence on the glass strength is small, the problems that a traditional identifier is prone to being lost and is difficult to track in a fragmented mode are solved, and the method is suitable for intelligent manufacturing and automatic tracing scenes of ultra-thin glass.

The invention provides a glass curtain wall detection device for engineering supervision, and relates to the field of glass strength detection. The glass curtain wall detection device for engineering supervision comprises a test bottom table, a step table and a test platform, the step table and the test platform are both fixedly installed on the test bottom table, the test platform is located at the uppermost portion, the glass curtain wall detection device further comprises two pneumatic pressure applying assemblies and two hydraulic pressure applying assemblies, and the pneumatic pressure applying assemblies and the hydraulic pressure applying assemblies are arranged on the test bottom table. The pneumatic pressure applying assemblies and the hydraulic pressure applying assemblies are fixed to the four corners of the testing bottom table respectively and are arranged in a staggered mode. According to the glass curtain wall detection device for engineering supervision, the displacement platform is arranged, two special fixing modes are achieved, multiple different data can be obtained when glass curtain wall detection is conducted, the detection result is more accurate, multiple sets of test data can be obtained at a time when glass is tested through the detection assembly, and the detection efficiency is improved. The deformation data of each position can be tested through one-time clamping.

The present application relates to the technical field of glass-ceramics, and particularly relates to a processing technology of glass-ceramics, comprising the following steps: (1) CNC processing; (2) scanning body; (3) scanning 2.5D surface; (4) double-sided polishing; (5) strengthening; (6) polishing body; (7) polishing 2.5D surface. The processing technology of the present application optimizes the finishing cutting amount by adjusting the processing program in the CNC processing step, reduces the probability of micro-cracks caused by large cutting amount of the grinding head; increases the grinding amount by adjusting the time in the scanning 2.5D surface step, improves the effect of arc polishing, reduces the scratches on the surface of the glass, and improves the strength of the glass; increases the grinding amount by adjusting the time in the double-sided polishing step, improves the flatness of the glass, reduces the scratches on the surface of the glass, and improves the strength of the glass; and increases the body and surface return polishing after strengthening, reduces the scratches on the surface and the periphery of the glass, micro-cracks and salt particles attached to the surface after strengthening, and improves the overall strength of the glass.