87results about How to "High elastic modulus" patented technology

The invention relates to the technical field of building materials, and particularly discloses high-strength lightweight concrete containing hollow glass beads and a preparation method of the high-strength lightweight concrete. The high-strength lightweight concrete containing the hollow glass beads is prepared from cement, fly ash, carbon fiber grafted hollow glass beads, lightweight sand, deionized water, polypropylene fiber grafted rubber particles and a water reducing agent according to the mass ratio of (58-75): (25-38): (45-65): (20-40): (42-55): (35-55): (5-12) through mixing, mold filling, vibration molding, covering and demolding. The addition amount of the hollow glass beads is strictly controlled, the influence on the overall strength of the concrete is avoided, the density and weight of the concrete are reduced due to the addition of the light sand and the hollow glass beads, the compactness and integrity of the concrete are improved due to the synergistic effect of the two added fibers, and the raw materials have excellent cohesiveness; the concrete can effectively absorb and disperse stress, and has the advantages of excellent strength, light weight, good durability and excellent comprehensive performance.

The invention discloses a porous static pressure gas radial bearing based on piezoelectric shunt damping, and belongs to the technical field of static pressure gas bearings. Comprising a bearing shell, a bearing sleeve and a porous throttler which are arranged in the bearing shell in the axial direction, and a piezoelectric shunt damping module which is arranged between the bearing shell and the bearing sleeve and is axially fixed through a check ring. Wherein the piezoelectric shunt damping module is formed by connecting a force amplifier, a piezoelectric ceramic stack, a pre-tightening pressing block, a pre-tightening screw, a steel ball and a locking nut; the force amplifier is of an axisymmetric structure composed of two trapezoidal connectors, four thin-wall beams and two end plates. The piezoelectric shunt damping module is arranged in the bearing, vibration mechanical energy of the bearing sleeve is converted into electric energy through the piezoelectric ceramic stack, and net damping is provided for the bearing by consuming the electric energy generated by the piezoelectric ceramic stack through the external shunt resonance circuit, so that the amplitude of the rotor relative to the bearing at a high rotating speed is reduced; the high-speed stability of the bearing is improved.

The invention provides a thickening agent for an oil field fracturing fluid, a preparation method of the thickening agent and the fracturing fluid, and belongs to the technical field of fracturing fluids. Comprising a polymer, a synergist, a salt-resistant component, a structure regulator, a suspending agent and an emulsifier. The polymer prepared by the invention contains abundant anions and cations, including quaternary ammonium salt cation structures, sulfonate anions and the like, and molecular winding can be realized through mutual attraction of the anions and cations, so that the elasticity modulus is increased, the sand-carrying performance is improved, and the sand-carrying and thickening performance of the thickening agent is improved; the fracturing fluid has good temperature resistance, salt resistance, shearing resistance, water solubility and thickening property, integrates the functions of drag reduction, sand carrying, fracture forming, swelling prevention, discharge aiding, low damage and the like, and has wide application prospects.

The invention discloses injectable hydrogel for cartilage injury repair and a preparation method of the injectable hydrogel. The gel is prepared by crosslinking 3 to 4 parts of recombinant III type humanized collagen-sodium hyaluronate gel particles, 0.5 to 1 part of thrombin solution and 4 to 6 parts of fibrinogen solution. The recombinant III type humanized collagen-sodium hyaluronate-thrombin-fibrinogen gel for injection, prepared by the preparation method disclosed by the invention, has the advantages of high elastic modulus, good biocompatibility, good needle passing performance and long in-vivo degradation period. Particularly, the recombinant III type humanized collagen-sodium hyaluronate-thrombin-fibrinogen gel for injection prepared by the invention can effectively promote regeneration of cartilage tissues, and is an innovative cartilage repair gel.

The invention relates to a concrete filled steel tube arch bridge rib core ultra-high performance concrete mix proportion design method, which comprises the following steps: (1) taking slump, expansion and 28d compressive strength as response values, and adopting a response surface method to carry out mix proportion optimization design on a water-binder ratio and the composition of a cementing material to obtain the optimal value of the water-binder ratio and the composition of the cementing material; and (2) taking the slump, the expansion degree, the relative pressure bleeding rate, the segregation rate, the 28d compressive strength and the 28d elastic modulus as response values, and performing optimization design on the steel fiber mixing amount, the coarse aggregate and the binder ratio by adopting a response surface method to obtain the optimal values of the coarse aggregate substitution rate, the steel fiber volume mixing amount and the binder ratio. The concrete-filled steel tube core steel fiber ultra-high performance concrete mix proportion designed by adopting a response surface method can have good pumping performance under the condition of not performing high-temperature steam curing, and has the characteristics of high strength, high elastic modulus, micro-expansion and the like.

The invention relates to a hydrated borate micromolecule with a boron-nitrogen coordination bond, a polyurethane elastomer material and a preparation method thereof, and the preparation method comprises the following steps: S1, dissolving and reacting 1, 4-benzene diboronic acid and a polyfunctional group amine compound at room temperature through a solution reaction to form a rigid eight-membered ring intramolecular boron-nitrogen coordination micromolecule NCBW-X; s2, polyester (polycaprolactone, polybutylene terephthalate, polylactic acid and the like) or polyether (polytetrahydrofuran, polypropylene ether polyol and the like) and diisocyanate (isophorone diisocyanate, toluene diisocynate and the like) react in a dry solvent at 80 DEG C by using a catalyst to form a prepolymer; hydrazide and NCBW-X are added into the obtained prepolymer for chain extension; the water resistance and the acid and alkali resistance of the material are enhanced through the boron-nitrogen coordination structure characteristic; and the prepared polyurethane elastomer material has very strong self-repairing efficiency and environmental adaptability.

The invention belongs to the technical field of adhesives, and relates to an epoxy resin composition, an epoxy resin adhesive film and application thereof. The epoxy resin composition comprises epoxy resin, a curing agent, a flexibilizer, a filler and rosin modified phenolic resin, the curing agent at least comprises a latent curing agent, the flexibilizer at least comprises acrylate rubber, the softening point of the rosin modified phenolic resin is 120-180 DEG C, the acid value is 40-100 mgKOH / g, and the filler is a filler. The rosin modified phenolic resin with the specific softening point and acid value is introduced, and the types of the curing agent and the flexibilizer are limited, so that the damping loss factor of an epoxy resin adhesive film prepared from the epoxy resin composition is relatively low in the range of 0-100 DEG C, and the stability of the damping loss factor is relatively high; meanwhile, the adhesive also has the characteristics of high elastic modulus, high toughness, high peel strength, good normal-temperature storage stability and good high-temperature rapid reactivity.

The invention belongs to the technical field of high-entropy alloys, and particularly relates to a CoCrNi series high-toughness high-density twin boundary medium-entropy alloy and a preparation method thereof. Aiming at the situation that the traditional alloy component design field lacks mature and reliable design principles, the invention provides three component design principles: high elastic modulus, low stacking fault energy and proper phase stability. Based on the three principles, the general formula of the non-equal-atomic-ratio medium-entropy alloy is CoaCrbNic, 30 < = a < = 37, 30 < = b < = 35, and 28 < = c < = 40. A metal raw material with the purity being 99.5% or above is polished and cleaned and then smelted into a cast ingot in a vacuum arc furnace, and then the medium-entropy alloy with high strength and toughness and the high-proportion twin boundary can be obtained after solid solution, hot rolling and recrystallization annealing processes are conducted. The design principle can also be popularized to other alloy systems, operation is easy, the production period is short, safety and reliability are achieved, and wide application prospects are achieved.

The present invention discloses a modified expandable polystyrene particle, a preparation method and an application thereof, and relates to the technical field of polyurethane. The modified expandable polystyrene particle is used as a raw material to prepare a high-elasticity, low-density, temperature-controllable polyurethane foam. In the process of preparing the polyurethane foam, by adjusting the raw material components and proportions of the reaction two-component material, and adding expandable polystyrene particles and phase change composite materials at the same time, heat can be absorbed and the temperature generated by the reaction can be controlled, thereby avoiding the generation of high temperature. While foaming, the expandable polystyrene particles are combined with polyurethane through chemical bonds to ensure that the interface is free of defects, and a low-density, high-elasticity polyurethane foam is obtained. The preparation method of the present invention is simple, the source of raw materials is reliable, and it is suitable for direct production and use by existing polyurethane stock solution production enterprises, and the process is easy to control, and it is suitable for large-scale promotion and use.

The invention provides a NiTiHf alloy for an aircraft bearing and a preparation method of the NiTiHf alloy. The method comprises the following steps: smelting Ni, Ti and Hf raw materials according to stoichiometry to obtain an alloy ingot; performing a thermal compression test on the alloy ingot to obtain stress-strain data of the alloy ingot; obtaining an energy dissipation diagram according to the relationship between the energy dissipation factor eta and the temperature as well as the strain rate, and obtaining a rheological instability diagram according to the relationship between the material rheological instability parameter xi and the temperature as well as the strain rate; and according to the energy dissipation diagram and the rheological instability diagram phase, a hot working diagram of the alloy ingot is obtained through superposition, hot working technological parameters of the alloy ingot are determined, and the hot working technological parameters comprise the hot working temperature and the strain rate. According to the method, the hot working parameters of the NiTiHf alloy with the specific stoichiometric ratio can be simply and conveniently determined, and therefore the problem that hot working is difficult due to the fact that the Hf element is introduced into the NiTi alloy can be solved.

The present invention addresses the problem of providing a methacrylic resin composition having high transparency, low haze, high heat resistance, high elastic modulus, and low water absorptivity; and providing a molded article thereof. Provided is a methacrylic copolymer comprising 5 to 96 mass% of a methyl methacrylate unit; 1 to 70 mass% of a structural unit (R) having in its main chain at least one ring structure selected from the group consisting of a glutaric anhydride unit and an N-substituted glutarimide unit; 1 to 48 mass% of an α-methylstyrene unit; and 1 to 48 mass% of a styrene unit, the N-substituted glutarimide unit being represented by the following formula (I): (wherein R1 and R2 are as described in the specification) .

The invention relates to the technical field of cosmetic preparations, and discloses a composition containing succinyl glycan and application of the composition to regulation and control of the repetition distance of a liquid crystal lamellar phase, the composition comprises a liquid crystal component and an effective amount of succinyl glycan, wherein the stratified phase repetition distance of liquid crystals in the composition can be effectively adjusted by adding the succinyl glycan, and the thermal stability of the composition is improved; small-angle X-ray scattering (SAXS) proves that the addition of the succinyl glycan enables the repetition distance of the lamellar phase of the liquid crystal to generate a measurable change of 6.2% to 19.4%; the invention provides a novel method for accurately regulating and controlling the liquid crystal structure of the cosmetic from the nanoscale, and the obtained composition has better stability, moisture retention and skin feeling in use.

The invention discloses a water-swelling elastic plugging agent for a water-based drilling fluid and a preparation method of the water-swelling elastic plugging agent. The water-swelling elastic plugging agent comprises the following components in parts by weight: 100 parts of a polyolefin elastomer matrix material; 15 to 20 parts of a reinforced matrix material; 0.8 to 1.5 parts of a polyolefin elastomer matrix material cross-linking agent; 8 parts to 15 parts of a reinforcing agent A; 20 to 30 parts of a reinforcing agent B; 15 to 30 parts of super absorbent resin; 15 to 20 parts of a plasticizer; 0.2 to 0.8 part of an isolating agent; 0.5 to 1 part of an anti-aging agent; the plugging agent provided by the invention is simple in preparation process, not only is beneficial to industrial production, but also is convenient to prepare plugging slurry on site, can achieve a good plugging effect, and provides an effective technical means for well leakage treatment.

The invention discloses a 3D printing manufacturing method of metal molybdenum and application of the 3D printing manufacturing method of the metal molybdenum in manufacturing of biological medical equipment. The 3D printing manufacturing method of the metal molybdenum comprises the steps that spherical molybdenum powder is loaded into 3D printing equipment for 3D printing manufacturing forming, the scanning power of 3D printing is 380-420 W, the scanning speed is 500-800 mm / s, the scanning layer thickness is 20-40 microns, the scanning interval is 70-100 microns, and the laser energy density is 118-280 J / mm < 3 >. The spherical molybdenum powder is used as the raw material, and metal molybdenum with high density, tensile strength sigma b, yield strength sigma 0.2 and elasticity modulus can be prepared by adopting a proper 3D printing forming process.

The invention discloses a method for preparing a near-stoichiometric yttrium oxide coating at a high deposition rate as well as a product and application of the near-stoichiometric yttrium oxide coating, and relates to the technical field of semiconductors. The yttrium oxide coating is prepared by adopting a physical vapor deposition intermediate-frequency reaction magnetron sputtering technology, and the oxygen flow and the target voltage are dynamically regulated and controlled through a closed-loop feedback control system, so that the target material works in a transition area between a metal mode and an oxidation mode. The target material is located between a metal mode and an oxidation mode, the deposition efficiency of the coating is remarkably improved, and the coating has the near-stoichiometric ratio characteristic and better mechanical and corrosion-resistant performance.

This invention belongs to the field of engineered wood products manufacturing, specifically a method for preparing low-formaldehyde finger-jointed boards based on bio-based modified adhesives. The method includes preparing an adhesive composed of modified soybean protein, non-formaldehyde crosslinking agents, micro / nano cellulose, nano-silica, and epoxidized vegetable oil elastomers; pre-treating the wood and cutting the finger joints; applying a sealing liquid via atomization for end-face damping treatment; performing quantitative adhesive application and stepped butt joint molding; and employing a multi-stage hot-pressing process involving preheating penetration, high-temperature curing, and cooling and pressure holding. Through the above technical solution, this application can achieve the formation of a dense adhesive film at the finger joint interface, significantly improving bonding strength and stability while reducing formaldehyde release.

The utility model relates to the technical field of shoes, in particular to a high-strength springback slipper which comprises a sole, a vamp, an insole and a carbon fiber elastic piece, the sole and the vamp are integrally formed by EVA materials, the insole is also made of the EVA materials, the carbon fiber elastic piece and the insole are sequentially bonded to the top face of the sole, and the carbon fiber elastic piece is arranged on the top face of the sole. According to the slipper, the carbon fiber elastic sheet is compounded with the sole and the insole which are made of the EVA material, and the high-modulus material performs mechanical enhancement and pressure dispersion on the low-modulus matrix, so that the slipper has relatively high compressive strength, the slipper can still keep stable supporting force after being used for a long time, and the comfort requirements of scenes such as exercise recovery and long-time standing are met.

The invention relates to a semiconductor packaging structure and a preparation method thereof, the semiconductor packaging structure comprises a substrate and a capacitor, and the substrate comprises a glass substrate body with a cavity; the capacitor is embedded in the cavity. According to the semiconductor packaging structure, the capacitor is mounted in the cavity of the glass substrate body, so that the thickness of the glass substrate body can be reduced without warping, and a large-size packaging structure is met.

An organ-like elastic foil thrust bearing with controllable air supply comprises a bearing seat (1), an organ-like elastic element (2), a flat foil (3) and a bionic muscle pneumatic switch (4), and the bearing seat (1) comprises a T-shaped mounting groove (1-1), an air supply through hole (1-2), a trapezoidal boss (1-3) and a bionic muscle pneumatic switch seat (1-4). The organ-like elastic element (2) comprises an organ-like elastic element air supply through hole (2-1), an organ-like corrugated foil piece (2-2), a mounting plane (2-3) and a mounting buckle (2-4), the flat foil piece (3) comprises a foil piece plane (3-1) and a foil piece mounting buckle (3-2), and the bionic muscle pneumatic switch (4) comprises a spring (4-1), an annular rubber sleeve (4-2) and a sealing piece (4-3). The pneumatic bionic muscle air supply device comprises a bearing seat (1), T-shaped mounting grooves (1-1), trapezoidal bosses (1-3), pneumatic bionic muscle air supply through holes (4-4) and fixed ends (4-5), and is characterized in that the T-shaped mounting grooves (1-1) and the trapezoidal bosses (1-3) are alternately and uniformly distributed in the bearing seat (1) in the circumferential direction, the air supply through holes (1-2) are uniformly distributed in the trapezoidal bosses (1-3) in the radial direction, and the bionic muscle pneumatic switch seat (1-4) is located at outlets of the air supply through holes (1-2). The organ-like elastic element (2) is located on the trapezoid boss (1-3), the organ-like elastic element air supply through holes (2-1) are evenly distributed in the organ-like corrugated foil (2-2) in the radial direction, the flat foil (3) is located on the organ-like elastic element (2), and the bionic muscle pneumatic switch (4) is located in the air supply through holes (1-2) and the organ-like elastic element air supply through holes (2-1).

This utility model discloses a reflective film and a solar panel, relating to the field of solar photovoltaic power generation technology. The reflective film includes: an adhesive film layer; a microstructure layer disposed on the adhesive film layer; and a reflective layer disposed on the microstructure layer. The reflective layer, the microstructure layer, and the adhesive film layer are sequentially arranged from top to bottom to form a thin-structured reflective film. This utility model solves the problem that traditional reflective films use a multi-layer structure, resulting in a thicker reflective film product, which is not conducive to assembly in smaller gaps, and the multi-layer bonding structure also causes light energy attenuation.

The application discloses a construction linear control method for a large-span non-equal-span cast-in-situ box girder, and comprises the following measures: pre-camber optimization, theoretical deflection simulation based on a coupling model of the box girder and a movable formwork, model correction combined with pre-test, and selection of a sectional pre-camber design curve according to the span stiffness difference; deformation collaborative control, concrete pouring according to a layered sequence, control of the bottom form elevation and pouring interval time, and synchronous monitoring and coordination of the deformation of the movable formwork and the box girder; inter-span constraint control, rigid connection structure arranged in the unequal-span connection area to constrain the non-longitudinal displacement, and review of the elevation difference at the connection after pouring; stress adaptation control, real-time monitoring of the deflection and stress of the stress concentration area, and control through adjustment of the formwork elevation, adjustment of the pouring rhythm or addition of local reinforcing structure when the data is out of limit. The method can ensure that the bridge linear shape meets the design requirements and reduce the risk of structural stress concentration.

The utility model discloses a passive compliant polishing head with three degrees of freedom, which comprises a fixed platform, the lower surface of the fixed platform is rotatably connected with a compliant mechanical arm, the compliant mechanical arm comprises a large arm and a small arm, the compliant mechanical arm is rotatably connected with the upper surface of a movable platform, and the corresponding ends of the large arm and the small arm are mutually hinged. The other end of the large arm is rotationally connected with the fixed platform, the lower end of the small arm is rotationally connected with the movable platform, a rotating shaft penetrates through the movable platform and is rotationally connected with the movable platform through a second bearing, an end cover is arranged at the position of the second bearing, and the end cover is fixedly connected to the lower side of the movable platform and used for bearing the borne axial force. The pneumatic rotating shaft comprises an air storage bin and a rotating shaft, and fan blades are evenly distributed on the circumference of the rotating shaft. The utility model relates to the technical field of polishing, in particular to a passive flexible polishing head with three degrees of freedom to meet the requirement of curved surface machining, compensate positioning errors and achieve passive flexible polishing.

The invention provides an E7 peptide functionalized polyimide fiber scaffold as well as a preparation method and application thereof, and relates to the technical field of medical treatment. The E7 peptide functionalized polyimide fiber scaffold provided by the invention comprises a polyimide fabric, the surface of the polyimide fabric is coated with a polydopamine coating; and the surface of the polydopamine coating is coupled with E7 peptide. According to the E7 peptide functionalized polyimide fiber scaffold provided by the invention, the E7 peptide is combined with the PI fabric, so that the E7 peptide functionalized polyimide fiber scaffold has excellent mechanical properties, thermal stability, surface hydrophilicity and biocompatibility. The BMSCs can be effectively recruited, and the osteogenic differentiation capability of the BMSCs can be enhanced. The scaffold provides a novel material selection with mechanical strength and biological activity for tissue engineering repair of MIRCT, and has clinical potential.

The utility model relates to the technical field of electronic connectors, in particular to an automobile electronic connector with high sealing performance, which comprises a male socket and a female socket, the female socket is arranged on an automobile, the male socket is arranged on the automobile electronic connector, the male socket is provided with a contact element, and the female socket is provided with a plugging port. The ends, close to each other, of the male socket and the female socket are provided with external threads, the female socket is in threaded connection with a connecting nut, a contact piece of the male socket of the automobile electronic connector is inserted into an automobile through an insertion port of the female socket, then the connecting nut is rotated, and the connecting nut is rotated to the connecting position of the male socket and the female socket. In this way, the automobile electronic connector is connected to the automobile, and the connecting nut blocks a gap at the joint of the male socket and the female socket, so that sealing of the automobile electronic connector connected to the automobile is completed, and the purpose of enhancing the sealing performance of the automobile electronic connector connected to the automobile is achieved.

This invention provides a chemically strengthened glass-ceramic and its preparation. The chemically strengthened glass-ceramic includes a glass-ceramic substrate and a compressive stress layer formed on the surface of the substrate through ion exchange chemical strengthening. The glass-ceramic substrate comprises crystal family 1 and crystal family 2. Crystal family 1 includes crystals having the following structural formula: (Zn x Mg 1‑x‑y Al 2‑2y (Al) 2y Mg y O4, wherein: 0≤x≤1; 0≤y≤1; and 0≤x+y≤1; the crystal group 2 includes zirconium oxide; the compressive stress layer has a CTLD_saf value of 15000~70000 MPa. Compared with the existing LAS microcrystalline glass system, the chemically strengthened microcrystalline glass of the present invention not only has excellent mechanical properties and impact resistance, but also significantly reduces the overall cost.

The invention discloses a creep-resistant magnesium alloy with high elasticity modulus and high damping and a preparation method thereof, and the creep-resistant magnesium alloy with high elasticity modulus and high damping comprises the following components in percentage by mass: 1.2%-3.5% of Zn element, 2.5%-12% of Gd element, 0.5%-6% of Yb element, 0.15%-1.2% of Ni element, 0.3%-0.8% of Mn element, 0-0.5% of Cu element, 0.1%-5% of HRE element and the balance of Mg element. The HRE element is one or more of a Dy element, a Sm element and a Tb element, and the mixing enthalpy delta H of the creep-resistant magnesium alloy with the high elastic modulus and the high damping is-1.1 kJ / mol to-0.2 kJ / mol. The creep-resistant magnesium alloy with high elastic modulus and high damping is suitable for the fields of aerospace, precise instruments, transportation, 3C electronics and the like, and has remarkable technical and economic values.

The present invention belongs to the technical field of engineering building materials, and specifically relates to a road surface rapid repair mortar of composite magnesium cement and alkali-activated slag and a preparation method thereof; wherein the road surface rapid repair mortar comprises: dead-burned magnesium oxide, dipotassium hydrogen phosphate, disodium hydrogen phosphate, domestic waste incineration slag, nano-colloidal silica, fine aggregate, water, nano-cellulose and water reducer. The present invention utilizes the hydration intermediate product of magnesium phosphate gelling material to react with nano-colloidal silica to generate potassium silicate and sodium silicate, stimulates domestic waste incineration slag, and generates highly water-resistant C-A-S-H gel. This not only effectively utilizes domestic waste incineration slag, practices the concept of green environmental protection development, but also improves the water resistance of magnesium phosphate gelling material. Similarly, due to the addition of nano-cellulose, not only the volume stability of the mortar is improved, but also its anti-permeability performance is significantly improved. Therefore, it has positive significance for realizing the preparation and application of magnesium phosphate gelling material in the field of rapid road surface repair.

The invention discloses a wind energy optical cable for transmission of a wind generating set and a preparation method thereof, and relates to the field of wind energy optical cables, the wind energy optical cable comprises an outer protective layer, an anti-wear layer is installed in an inner cavity of the outer protective layer, an anti-mildew layer is installed on the inner wall of the anti-wear layer, and a damp-proof layer is installed on the inner wall of the anti-mildew layer. The inner wall of the damp-proof layer is provided with a first insulating layer, the inner wall of the first insulating layer is provided with an isolating layer, the inner wall of the isolating layer is provided with a non-metal braid layer, the inner wall of the non-metal braid layer is provided with an inner sheath layer, the inner wall of the inner sheath layer is provided with a structural layer, and the inner cavity of the structural layer is filled with plastic filling ropes. And subunits are mounted in inner cavities of the plastic filling ropes. According to the wind energy optical cable for transmitting the wind generating set and the preparation method of the wind energy optical cable, the construction difficulty and the construction cost of the wind energy optical cable are low, a brand new solution is provided for the development of wind energy, and the wind energy optical cable can be used in severe environments.

The utility model discloses a receiver with a contact having a hearing-aid function, which relates to the technical field of receivers and comprises a receiver shell, a steel alloy vibrating diaphragm, a sound emitting tube and a cone, the steel alloy vibrating diaphragm is fixedly connected to the inner side of the receiver shell, the sound emitting tube is fixedly connected to the inner side of the receiver shell, and the cone is fixedly connected to the inner side of the receiver shell. According to the utility model, the steel alloy vibrating diaphragm is arranged between the front side of the receiver shell and the sound outlet tube, and the steel alloy vibrating diaphragm is high in elastic modulus, small in density, quick in response to vibration and strong in explosive power to sound, so that the effect of improving the tone quality is achieved; the dust cover arranged in the middle of the cone on the inner side of the receiver shell can prevent dust from entering the inner side of the receiver shell to cause corrosion of internal electronic components, and the receiver shell and the bottom frame can be quickly combined through the cooperation of the first connecting plate and the second connecting plate.

The present invention relates to an all-solid-state battery containing an alloy-type negative electrode and an elastic electrolyte. The battery is composed of an alloy-type negative electrode, an elastic electrolyte and a positive electrode; the elastic electrolyte comprises an elastic polymer matrix and a metal salt, and optionally comprises a plasticizer; wherein the content of the elastic polymer is 20 to 95 wt.%, the content of the metal salt is 5 to 50 wt.%, and the content of the plasticizer is 0 to 50 wt.%; the ionic conductivity of the elastic electrolyte is (0.5 to 100.0)×10 ‑4 S cm ‑1 , thickness is 5 to 1000 μm, elastic deformation is 50 to 500%. The elastic electrolyte can dynamically adapt to the volume shrinkage / expansion of the alloy-type negative electrode during charging and discharging, ensure good interface contact between the electrolyte and the negative electrode, solve the problem of continuous capacity attenuation of alloy-type negative electrode solid-state batteries caused by insufficient and unstable interface contact, and improve the cycle performance of alloy-type negative electrode solid-state batteries.