1617results about "Glass shaping apparatus" patented technology

The invention discloses a quartz boat assembly intelligent positioning welding device which comprises a base, a first clamping assembly, a second clamping assembly and a welding mechanism, the first clamping assembly comprises a first sliding base, a supporting column and a clamping plate mechanism, and the clamping plate mechanism comprises a fixing disc, a first telescopic rod, a second telescopic rod, a first clamping block and a second clamping block. A test piece is clamped through a first clamping block and a second clamping block which are arranged in a first clamping assembly in a cross shape, the position of the test piece is limited on four faces, the test piece is located in the center of a clamping plate mechanism all the time, the positions of the first clamping block and the second clamping block can be changed, and then the clamping plate mechanism can clamp test pieces of different specifications; and the second clamping assembly is arranged to stably clamp groove rods of various different specifications, the positions of the groove rods can be changed after clamping so that the groove rods and the test pieces can be accurately positioned and connected in a false mode, then quartz boats of various different specifications can be accurately positioned and welded, and the welding quality and the welding efficiency of the quartz boats are effectively improved.

The invention discloses a preparation method of high-purity transparent quartz glass, which comprises the following steps: putting a quartz blank into a crucible, placing induction heating elements on the upper side and the lower side of the quartz blank, and filling the side surface of the quartz blank with a heat conduction material; and putting the crucible into a vacuum induction heating furnace, and sintering to obtain the high-purity transparent quartz glass. According to the invention, the large-size quartz glass with high transparency, extremely low bubble content and low hydroxyl content can be prepared, and the problems of long time consumption and large raw material loss of the high-purity transparent quartz glass fired by the existing production mode are solved.

The invention relates to the technical field of transmission, in particular to an annular transmission mechanism and a nuclear waste glass curing forming device. In the annular transmission mechanism, a reference shaft and a ratchet wheel are coaxially and fixedly connected, and the reference shaft is provided with a matching end used for transmission matching. The blocking arm is fixedly connected to the end, away from the reference shaft, of the swing arm. The first pawl is rotationally matched with the end, away from the reference shaft, of the swing arm and matched with a torsional spring so that the first pawl can be attached to the ratchet wheel. When the first pawl reciprocates along the ratchet wheel, the ratchet wheel can be intermittently driven. When the first pawl does reciprocating motion along the ratchet wheel, ratchets of the ratchet wheel can periodically push the first pawl to the side where the blocking arm is located, so that the first pawl can periodically extrude the pressing part. The temperature control can be synchronously completed while transmission is realized, and the matching degree between the transmission and the temperature control is further improved.

The invention relates to the technical field of radioactive waste solidification treatment, in particular to a method for inhibiting crystallization of a high-level waste glass solidified body, which comprises the following steps: S1, uniformly mixing glass raw materials, heating, melting and cooling to obtain base glass; s2, mixing the base glass with high-level waste, heating, melting and cooling to obtain a glass solidified body; wherein the glass curing body comprises a network changing body and a network forming body; and the molar ratio of the network altering body ions to the network forming body ions is 0.4-0.5. By limiting the ratio of the content of the network changing body to the content of the network forming body in the glass solidified body, high-efficiency solidification of the simulated high-level waste is achieved, meanwhile, crystals in the waste glass melt and the solidified body are prevented from being separated out, good technological performance and solidified body performance are maintained, and the method has good application prospects.

The invention relates to a quartz crucible coating and a preparation method thereof.The coating is of a double-layer composite structure and comprises a substrate layer and a functional layer, the substrate layer is composed of 40-65 vol% of polycrystalline silicon powder (the particle size D50 ranges from 1 micrometer to 5 micrometers) and 35-60 vol% of nanometer silica sol, and the functional layer covers the surface of the substrate layer and is composed of 50-70 vol% of polycrystalline silicon powder, 20-35 vol% of nanometer silica sol and 5-15 vol% of calcium fluoride powder (the particle size D90 is smaller than 0.5 micrometer). The preparation method comprises the following steps: preparing a substrate layer slurry and a functional layer slurry, sequentially coating the inner wall of a crucible with the slurry, drying, and sintering in an inert atmosphere according to a three-step temperature control program to finally form a coating with the thickness of 180-300 microns and the porosity of 8-15 vol%; the coating structure can avoid pollution of silicon nitride or silicon carbide particles, has excellent demolding performance, thermal stability and adhesive force, further improves the service life of a crucible and the purity of a silicon ingot, and meets the requirements of an advanced semiconductor process for cleanliness and reliability.

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 invention relates to high-strength and heat-resistant glass and a preparation method thereof, and belongs to the technical field of glass manufacturing, and the high-strength and heat-resistant glass comprises the following chemical components: SiO2, B2O3, Na2O, K2O, Al2O3, MgO, CaO, ZnO, Li2O, P2O5, Nb2O5, Re2O7, Gd2O3 and SrO. The average linear thermal expansion coefficient of the high-strength and heat-resistant glass prepared by the invention is (2.94 to 3.23) * 10 <-7 > / DEG C, the softening temperature is 710.1 to 720.4 DEG C, the breaking strength is 206.4 to 214.5 MPa, the impact strength is 49 to 54 cm, and the microhardness is 570 to 608 MPa.

A method for manufacturing a lithium disilicate glass ceramic with gradient properties by using photocuring additive manufacturing, the method comprising: performing wet mixing on a basic glass powder with a solvent, ball milling same until uniformity, drying same, then performing thermal treatment to reach a molten state, then quenching same to form original particles, and then granulating same to obtain lithium disilicate ceramic particles; respectively preparing n groups of pastes with gradually-changing colors and translucencies from n groups of the lithium disilicate ceramic particles, said paste preparation comprising: adding 3Y-TZP powder, a coloring agent and lithium disilicate ceramic particles to a resin mixture, mixing same, rolling same and performing vacuum defoaming to obtain a paste; adding the n groups of pastes in sequence into an additive manufacturing device to undergo photocuring forming, so as to obtain a green body; after the green body is cleaned and dried, degreasing the green body, and sintering same; and finally under a vacuum high-temperature condition, subjecting the sintered sample to an ion exchange reaction with a molten nitrate in a flowing state, so as to obtain a product.

The invention discloses wide-temperature-range self-repairing gradient ceramic fire extinguishing foam, a preparation method and application of the foam in an electrochemical energy storage device, and belongs to the technical field of new energy battery safety. Aiming at the technical bottleneck of a traditional fire extinguishing material in coping with a thermal runaway fire disaster of an electrochemical energy storage device, the defects of an existing material in the aspects of extreme temperature adaptability, electrolyte compatibility and long-acting flame retardance are overcome through unique three-layer gradient structure design and material innovation; the technical bottlenecks of wide temperature range stability, an intelligent response mechanism and after-combustion blocking capacity are broken through, the ultra-wide temperature range structural stability from-50 DEG C to 1600 DEG C is achieved, millisecond-level response to different electrolytes is achieved, and a self-repairing barrier after fire extinguishment can be built. The innovation point is that the gradient ceramic structure design, the dynamic response mechanism and the self-repairing circulating system are adopted, so that the equal-depth fire reignition rate of the lithium battery can be obviously reduced, and the application prospect is wide.

The present invention provides a laser protection glass applicable to dual wavelengths of 0.53 μm and 1.06 μm and a preparation method thereof, belonging to the technical field of preparation of protection glass. The laser protection glass is borosilicate glass, comprising the following components: SiO2 35-47%, Al2O3 1-3%, B2O3 9-13 wt%, Na2O 7-10 wt%, CaO 3-5 wt%, ZnO 3-4 wt%, ZrO2 0.5-1.5 wt%, Er2O3 8-20 wt%, Sm2O3 9-16 wt%. The present invention also provides a preparation method of the laser protection glass applicable to dual wavelengths of 0.53 μm and 1.06 μm. By optimizing the glass components and the melting and annealing processes, the present invention reduces the cracking of the glass generated in the heat treatment process and realizes the protection effect of the glass material at 0.53 μm and 1.06 μm.

The invention relates to the technical field of quartz crucibles, and particularly discloses a melting method for reducing microbubbles on the inner surface layer of a quartz crucible. The arc vacuum melting in the melting method disclosed by the invention comprises the following steps of: rising a heat shielding plate to a position which is 350-450mm away from the upper edge of a mold, and melting the inner surface of a crucible for 45-75s by utilizing a high current which is more than 5000A; then moving down the heat shielding plate, keeping the current unchanged, and melting; the heat shielding plate is lifted, the current is adjusted to be 2200-2500 A, and a transparent layer is formed through vacuum melting; stable melting: adjusting the current to be more than 5000A, and performing high-temperature evaporation; then, the current is adjusted to be reduced to 1800-2200 A, and low-temperature melting is conducted for 120-240 s; and repeating stable melting to obtain the quartz crucible to be demoulded. By means of the technical scheme, the number of microbubbles of the prepared quartz crucible is obviously reduced, the compression strength of the crucible is greatly improved, and the service life of the crucible is greatly prolonged.

The invention provides a ceramic material or glass material and a manufacturing method thereof. The manufacturing method comprises the following steps: preparing a precursor of a ceramic material or a glass material; processing the precursor by using a high-energy beam to obtain a processed precursor; and converting the processed precursor into a ceramic material or a glass material. The ceramic material or the glass material provided by the invention is manufactured by the manufacturing method. The ceramic part or the glass part in the 3C product is manufactured by combining 3D / 4D and other additive manufacturing technologies with a subtractive manufacturing technology. The ceramic or glass material of the present invention has high resolution and complex shape.

A method for producing a sulfide-based inorganic solid electrolyte material, the method including a step of obtaining a sulfide-based inorganic solid electrolyte material in a vitreous state by mechanically processing a raw material composition of the sulfide-based inorganic solid electrolyte material including lithium sulfide and a phosphorus sulfide composition such that each component is vitrified in a chemical reaction, in which the phosphorus sulfide composition has three or more peaks in a range of 2θ = 22.5° or more and 24.5° or less in an X-ray diffraction analysis spectrum obtained by X-ray diffraction analysis.

A process of forming a titania-silica glass body, the process including exposing a titania-doped silica soot body to a constant steam pressure step during which the partial steam pressure is at a first partial pressure of steam P1 that is from about 0 Torr to about 760 Torr and exposing the soot body to a ramp-up steam pressure step during which the partial steam pressure increases from the first partial pressure of steam P1 to a second partial pressure of steam P2, the second partial pressure of steam P2 being from about 50 Torr to about 760 Torr. The second partial pressure of steam P2 being greater than the first partial pressure of steam P1. The process further including heating the soot body during the constant steam pressure step and during the ramp-up steam pressure step and increasing the temperature during at least one of the constant steam pressure step and the ramp-up steam pressure step.

The invention relates to a large-size glass product with a natural ice crystal imitating effect and an industrial casting method of the large-size glass product. The product is a lead-free glass casting with the weight larger than or equal to 100 kg, dendritic crystal-shaped or snowflake-shaped devitrified phases which are formed by growing calcium fluoride as crystal nucleuses and are distributed randomly are arranged in the product, and the three-dimensional aesthetic effect imitating natural ice crystals is achieved. The method comprises the following steps: mixing lead-free glass particles with a calcium fluoride nucleating agent with a specific particle size, and filling a mixture into a special mold with a three-layer composite structure and a temperature monitoring function; and executing a four-stage programmed thermal regulation including melting homogenization, nucleation cooling, isothermal crystallization and super-slow multi-step annealing, wherein the melting and heat preservation time and the maximum thickness of the product meet the quantitative relation of t = k.H. Through systematic collaboration of materials, molds and processes, the technical problems that crystallization in large-size glass is not uniform and cracking is easily caused by thermal stress are solved, high yield and stable mass production of products of 500 kg or above are achieved, and the method is suitable for the fields of high-end buildings, art devices and decoration.

A glass including silica and titania is disclosed. An average hydroxyl concentration of a plurality segments of the glass is in a range from about 20 ppm to about 450 ppm, an average titania concentration of the plurality of segments is in a range from about 6 wt. % to about 12 wt. %, and each segment of the plurality of segments has a length of about 12.7 mm, a width of about 12.7 mm, and a height of about 7.62 mm. The hydroxyl concentration of each segment is measured using a Fourier transform infrared spectroscopy in transmission, the refractive index is measured using an optical interferometer with a 633 nm operating wavelength and a resolution of 270 microns×270 microns pixel size, and the average titania concentration is determined based upon the measured refractive index.

The embodiment of the invention provides deposition equipment and a preparation process for preparing quartz glass base metal, and relates to the technical field of quartz glass preparation.The deposition equipment for preparing the quartz glass base metal comprises an equipment main body, the equipment main body is internally provided with a cavity, and the equipment main body is used for depositing a loose body in the cavity; and the first adsorption part is arranged on the equipment main body, and the first adsorption part is used for absorbing the metal particles in the cavity. According to the deposition equipment for preparing the quartz glass base material and the preparation process, the problems that in the prior art, the structural defects of the quartz glass base material are difficult to reduce, and the purity is difficult to improve are solved.

The invention discloses a toughened glass ceramic and a preparation method thereof, and relates to the technical field of glass ceramics, and the toughened glass ceramic comprises the following components in percentage by weight: 64 to 68 weight percent of silicon dioxide, 22.67 to 26.5 weight percent of lithium oxide, 0.9 to 1.2 weight percent of antibacterial agent, 0.8 to 1.1 weight percent of modified mica powder, 1.98 to 2 weight percent of aluminum oxide, 1.78 to 1.8 weight percent of potassium oxide, 1.68 to 1.7 weight percent of zirconium dioxide, 1.19 to 1.2 weight percent of phosphorus pentoxide and 1 to 3 weight percent of calcium fluoride. According to the toughened glass ceramic and the preparation method thereof, a multi-scale anti-cracking network is formed through macroscopic crack deflection of mica and nanoscale phase change toughening of zirconium oxide, the fracture toughness is remarkably improved, zirconium oxide agglomeration can be reduced through interface optimization of modified mica powder, zirconium oxide is dispersed more uniformly, and the phase change potential is further exerted; due to high-temperature stability of aluminum oxide, antibacterial agent particles can be wrapped, and excessive volatilization or aggregation of the antibacterial agent particles in the sintering process is prevented; aluminum oxide is used as a'protective shell 'to delay the Cu < 2 + > release rate and realize long-acting antibiosis.

The present application belongs to the technical field of semiconductor device manufacturing, and provides a method for forming quartz glass products, and a forming device for quartz glass products. The method comprises: placing a quartz glass plate on a quartz glass product forming mold, and heating the quartz glass plate to a pre-processing temperature; performing heat soaking processing on the quartz glass plate during a preset heat soaking duration; continuing to heat the quartz glass plate to a softening temperature; when the actual deformation L0 of the quartz glass plate reaches a first preset deformation value, evacuating a vacuum chamber of the quartz glass product forming mold; when the actual deformation L0 of the quartz glass plate reaches a second preset deformation value, forming the quartz glass plate into a quartz glass product, and stopping the vacuum operation of the vacuum chamber. The quartz glass product forming method provided by the present application can reduce the processing difficulty of quartz glass products, decrease material consumption, and improve the processing accuracy and product yield of quartz glass products.

The invention relates to the technical field of space exploration and lunar soil experiments, in particular to a melting centrifugal type mineral particle morphology remodeling device and a lunar soil glass ball preparation method. The device comprises a mineral protolith high-temperature melting system, a mineral melting slurry conveying system, a centrifugal mineral particle size control system and a mineral particle cooling and morphology remodeling system. The preparation method of the lunar soil glass ball comprises the following steps: adding basalt mineral powder and mineral melting additive powder into a melting centrifugal mineral particle morphology remodeling device to obtain simulated lunar soil glass balls with different particle sizes, and performing morphology transformation on the simulated lunar soil glass balls with different particle sizes by using an ion beam gun. And the lunar soil glass ball state of the impact melting history is reduced. According to the method, high-precision engineering mass production of components, morphology and mechanical properties of the lunar soil glass balls is realized through a fusion centrifugal forming and ion beam surface control composite process, and the problem of soil mechanical behavior deviation caused by morphology distortion of existing simulated lunar soil is solved.

The invention relates to a homogeneous modification method and device for eliminating quartz glass stripes, and belongs to the technical field of quartz glass stripe elimination. According to the invention, the glass liquid is homogenized through planetary rotation, the temperature difference of each part can be reduced, stripes in the middle of the quartz glass ingot after thermal modification can be effectively eliminated, the stripes are concentrated on the edge of the quartz glass ingot, and the stripes can be completely eliminated by cutting off the quartz glass in the stripe area, so that the uniformity and the optical performance of the quartz glass ingot are greatly improved. As the uniformity is improved in a planetary rotation mode, compared with the mode of eliminating stripes by improving the purity, the internal quality of the quartz ingot with the stripes can be improved and improved, the production cost can be effectively reduced, and the utilization rate of the quartz ingot material can be improved. The problems that fringes are not easy to eliminate and the cost is high due to a boundary effect existing in an existing method are solved.

The invention relates to an electronic component material technology, and aims to provide an LTCC (Low Temperature Co-Fired Ceramic) material with low dielectric constant and low dielectric loss and a preparation method thereof. The LTCC material is prepared from zinc borosilicate glass and zinc borosilicate microcrystalline glass with different softening point ranges, a ceramic filler, silicate and a metal oxide through ball milling, mixing, modeling and sintering, and the material contains Zn2SiO4 with a devitrified phase. According to the invention, two kinds of zinc borosilicate glass with different softening points are adopted as cooling assistants, and a devitrified phase Zn2SiO4 is generated through reaction in the sintering process, so that the problem of large dielectric loss of a composite system caused by more glass phases can be effectively improved; by flexibly regulating and controlling the content of each component and the components of the auxiliary materials, the sintering characteristics of the glass internal component regulation and control material are optimized, and the success rate of matching and co-firing of the material and silver is further improved; meanwhile, the sintering window is relatively wide, so that good quality stability of the product is favorably kept; the dielectric loss of the composite system is reduced by doping the nucleating agent, and the volume shrinkage process of the material is regulated and controlled.

A glass substrate including a silica-based glass, the silica-based glass includes silica and from 0 wt. % to 15 wt. % titania. A first portion of the silica-based glass has a height of 1.0 mm and a first cross-section having an area greater than or equal to 50.0 cm2. A first sub-portion of the first portion has a height of 1.0 mm, a length of 40.0 mm, a width of 40.0 mm, and a second cross-section. A peak-to-valley difference of a hydroxyl group concentration of the first sub-portion is less than or equal to 15 ppm, as measured at the second cross-section. A method of forming a glass substrate includes heating a molded precursor mass. The molded precursor mass includes soot particles. The heating includes exposing the molded precursor mass to a consolidation environment containing steam, and maintaining the molded precursor mass in the consolidation environment while reducing the consolidation temperature.

The embodiment of the invention provides a method for manufacturing foam glass by recovering glass fibers from waste fan blades. The method comprises the following steps: pyrolyzing the waste fan blades in an inert atmosphere; calcining the pyrolysis product of the waste fan blade in an oxygen-containing atmosphere to obtain regenerated glass fiber; carrying out grinding treatment on the obtained regenerated glass fiber; mixing the ground regenerated glass fiber powder with a foaming agent, a foam stabilizer and a binding agent, and performing compression molding to obtain a prefabricated blank; and sintering, foaming and annealing the prefabricated blank in sequence to obtain the foamed glass. The recycling of the fan blade reduces the waste of a landfill, realizes the recycling of the glass fiber, reduces the demand on raw materials, creates a new economic growth point by using the waste glass fiber for developing the foam glass market, and realizes the high-valued utilization of the recycled glass fiber.

The present invention relates to a high-strength and stable sealing material for solid oxide fuel cells and its application. The high-strength and stable sealing material for solid oxide fuel cells includes: glass powder modified by surface polysilazane and ceramic powder modified by surface polysilazane; the content of the ceramic powder modified by surface polysilazane is 5-30 wt%; the content of the glass powder modified by surface polysilazane is ≥70 wt%.

The invention provides a multi-melting-machine collaborative vacuumizing control system and control method, and belongs to the technical field of quartz crucible manufacturing, the multi-melting-machine collaborative vacuumizing control system comprises a main controller, a main vacuumizing assembly, a plurality of branch vacuumizing assemblies and a plurality of melting machines; the main vacuumizing assembly is connected with the multiple branch vacuumizing assemblies through the vacuum main pipeline, and the multiple branch vacuumizing assemblies are connected with the multiple melting machines in a one-to-one correspondence mode through the melting machine connecting vacuum pipes. The main vacuumizing assembly comprises a vacuum pump, a first pneumatic valve, a first proportional electromagnetic valve, a vacuum tank and a vacuum main valve which are connected in sequence; the branch vacuumizing assembly comprises a vacuum proportion regulating valve, a buffer tank and a vacuumizing valve which are connected in sequence; a vacuum tank is arranged, and the vacuum pressure in the vacuum tank is kept constant by controlling a first pneumatic valve and a first proportional electromagnetic valve; the buffer tanks are arranged on the branches, and the vacuum pressure in the buffer tanks is controlled by the vacuum proportioning valves to be kept constant, so that a stable vacuum system is formed in the melting process of the quartz crucible.

The invention discloses titanium-rare earth synergistic alkali-free glass with an ultrahigh strain point and high resistance and a preparation method of the alkali-free glass, and belongs to the technical field of glass. According to the alkali-free glass, a unique titanium-rare earth synergistic enhanced network is constructed, two key control parameters, namely, a high temperature performance index (HTPI) and a resistance synergistic factor (RCF), are defined for the first time, and when the HTPI is controlled to be 5.8-7.2 and the RCF is controlled to be 3.5-4.85, the strain point of the glass is larger than or equal to 745 DEG C, and meanwhile, the glass has the advantages that the glass has the good heat resistance and heat resistance; according to the glass substrate prepared by the preparation method disclosed by the invention, the resistivity at 1620 DEG C can be accurately regulated and controlled within an ideal interval of 50-150 omega.m, meanwhile, the Young modulus is greater than or equal to 88 GPa, the liquidus temperature is less than or equal to 1260 DEG C, the comprehensive performance is far better than that of the prior art, and the strict requirements of high-generation LTPS and IGZO display panel manufacturing on the glass substrate are perfectly met.

The invention relates to the field of production quality control, in particular to an automatic quartz glass production system, which is provided with a conversion acquisition module for acquiring conversion production data of a to-be-processed raw material so as to extract conversion characteristics of the to-be-processed raw material within a preset time; the conversion analysis module is used for evaluating conversion quality characterization parameters of the to-be-processed raw materials in combination with the conversion characteristics and the gas discharge flow of the waste gas port so as to mark the to-be-processed raw materials; the reaction evaluation module is used for evaluating and analyzing the to-be-processed raw materials in response to the marking result of the conversion analysis module; and the forming control module is used for calling the corrected forming and mounding characteristics of the to-be-processed raw materials so as to judge whether the to-be-processed raw materials are qualified mounding materials, and the stability and the production efficiency of quartz glass products are effectively improved.

The invention provides a fire processing method for a thin-wall quartz tube, and relates to the field of quartz products. Comprising the following steps: S1, roughly machining a tube body and a flange of the quartz tube, and reserving machining allowance on the tube body; s2, finely burning the pipe body and the flange, annealing, cooling and cleaning; s3, the pipe body and the flange are fixed to the two sides of a rotating disc machine correspondingly, a semicircular gun lamp is turned on, the to-be-bonded portions of the pipe body and the flange are heated through flames, the rotating disc machine is turned on at the same time, and the pipe body and the flange rotate at the same speed; after the to-be-bonded parts of the pipe body and the flange are heated to be bright and transparent, the pipe body makes contact with the flange, the semicircular gun lamp is turned off, and after cooling is conducted, the rotating disc machine is turned off, and preliminary bonding is completed; s4, manually rotating the rotary disc machine, and heating by using a 3mm small gun until the bonding part of the workpiece is completely fused, so as to finish the bonding; and S5, the pipe body is machined, and the machining allowance is removed. According to the machining method, firstly, the machining allowance is reserved at the fire machining part so as to increase the wall thickness of the pipe body, and the pipe body is prevented from deforming in the fire machining process.

The invention discloses bacteriostatic and antibacterial lithium disilicate glass ceramic and a preparation method thereof. The bacteriostatic and antibacterial lithium disilicate glass ceramic comprises the following components in percentage by weight: 60-70% of lithium disilicate whiskers, 5-12% of a nucleating agent, 1-5% of aluminum oxide, 1-4% of calcium oxide, 5-10% of an antibacterial agent and 12-18% of fluorapatite, wherein the nucleating agent is formed by compounding phosphorus pentoxide and zirconium oxide, and the antibacterial agent is formed by compounding silver oxide and zinc oxide; the invention relates to the technical field of lithium disilicate glass ceramics. In the glass ceramic, silver ions can be combined with groups such as sulfydryl and amino in bacterial cells to interfere the metabolic process of bacteria and inactivate enzymes of the bacteria so as to inhibit growth and reproduction of the bacteria, and zinc ions can influence permeability of bacterial cell membranes and destroy physiological functions of the bacteria and cooperate with the silver ions to enhance the antibacterial effect of the glass ceramic.