22 results about "Tin Element" patented technology

This invention provides a method for preparing a titanium-tin master alloy with tin segregation suppression and a cooling device. The preparation method includes: (1) pressing a molten blank; (2) smelting and refining to obtain an alloy melt; (3) casting and cooling: after turning on the cooling device, the alloy melt is poured into the cooling device, cooled, and then demolded to obtain a titanium-tin master alloy; the outer surface and the interior of the cooling device are equipped with water-cooling units. This invention utilizes the raw material structure of "titanium-tin core" to effectively reduce the occurrence of tin seepage in the crucible, reduce tin raw material loss, and improve the accuracy of alloy composition; combined with the cooling device to achieve internal and external synergistic cooling, it can effectively suppress tin atom diffusion, prevent the occurrence of tin element anti-segregation in the traditional smelting process, enhance the uniform distribution of tin element in the titanium-tin alloy ingot, and control the tin element content deviation in the titanium-tin alloy ingot within 2wt%.

The present application provides a modified electrolyte and a preparation method therefor, an electrode material, and a battery. The modified electrolyte comprises a basic electrolyte and metal particles attached to the surface of the basic electrolyte; the material of the metal particles comprises one or more of a nickel element, a copper element, a tin element, an iron element, a cobalt element and a precious metal element. According to the modified electrolyte provided by the present application, a specific solid electrolyte is used as the basic electrolyte, the surface of the basic electrolyte is modified with the metal particles, the electronic conductivity of the modified electrolyte is effectively improved by means of cooperation of the basic electrolyte and the metal particles, and the positive electrode material containing the modified electrolyte can simultaneously improve the effective transmission of ions and electrons, such that the battery having the positive electrode material has both low interface impedance and good electrochemical performance.

A solid electrolyte according to one aspect of the present invention contains the element lithium, the element phosphorus, an element M, the element sulfur, and an element X, wherein the element M is at least one selection from the group consisting of the element silicon, the element germanium, and the element tin, and the element X is at least one selection from the group consisting of the element bromine and the element iodine. In an X-ray diffraction diagram of the solid electrolyte obtained using CuKα radiation, a diffraction peak A is present in the range of diffraction angle 2θ = 20.1° ± 0.3°, a diffraction peak B is present in the range of diffraction angle 2θ = 29.4° ± 0.3°, and a diffraction peak C is present in the range of diffraction angle 2θ = 33.3° ± 0.3°. The ratio IC / IB in the X-ray diffraction diagram of the intensity IC of the diffraction peak C to the intensity IB of the diffraction peak B is at least 0.15. The X-ray diffraction diagram either does not have a diffraction peak in the range of diffraction angle 2θ = 24.9° ± 0.3° or has a diffraction peak D in the range of diffraction angle 2θ = 24.9° ± 0.3° with the ratio ID / IB of the intensity ID of the diffraction peak D to the intensity IB of the diffraction peak B being not more than 0.05.

The invention provides a composite brazing sheet, a preparation method thereof and a brazing body. The composite brazing sheet comprises a core material and a brazing filler metal layer arranged on the surface of at least one side of the core material, and a middle layer is arranged between the core material and the brazing filler metal layer. The middle layer comprises a low-melting-point phase; the melting point of the low-melting-point phase is not higher than 600 DEG C; the low-melting-point phase includes a magnesium element and at least one element selected from a bismuth element and a tin element. The composite brazing sheet provided by the invention is provided with the middle layer, and the middle layer forms a specific low-melting-point phase, so that oxide film breaking and wetting uniformity are improved, and formation of an effective welding seam is more facilitated, so that use of a brazing flux in a CAB brazing process is avoided, the problem of brazing flux residue is thoroughly avoided, and meanwhile, a good brazing effect is ensured.

The application provides a tin mineralization identification and sampling method fusing XRF and spectral data, and relates to the technical field of geological exploration and mineral exploration. The method comprises the following steps: tin element content distribution is obtained by adopting portable XRF to perform grid rapid scanning; the characteristic peak of altered mineral is identified by using a portable spectrometer at an abnormal point; XRF data and spectral data are fused; the boundary of a tin mineralization body is rapidly circled on site; and the geological logging and sampling are guided accordingly. The application implements forced sampling on the point which is not mineralized by naked eyes but is determined as mineralized by instruments, and fundamentally solves the technical problem of "logging without seeing and supplementing sampling with ore". The application can significantly reduce the ore leakage rate, improve the accuracy and efficiency of logging and sampling, shorten the exploration period, and can be popularized to the on-site exploration of other difficult-to-identify metal minerals.

The invention discloses a process for recovering refined tin from a tin-containing material, which comprises the following steps: acid leaching: leaching the tin-containing material by using a first acid solution to obtain a leachate; a reducing agent is added into the leaching solution, ferric iron in the leaching solution is reduced into ferrous iron, then an extracting agent is added for extraction, and the tin element is extracted to enter an organic phase; a second acid solution is added into the organic phase for reverse extraction, and tin-rich reverse extraction liquid is obtained; and electrolytic refining is conducted, specifically, the tin-rich strip liquor is electrolyzed, and refined tin is obtained. According to the method, the tin-containing material can be fully utilized, the leaching rate of tin is high, the purity of tin in the finally produced tin product is larger than or equal to 99.9%, high-efficiency conversion from the tin-containing material to the high-purity tin product is achieved, and good economic value and application prospects are achieved.

The invention belongs to the technical field of semiconductor material preparation, and particularly relates to a preparation method of a tin-doped gallium oxide single crystal material. The method comprises a sintering process, a charging process, a crystal growth process and a cooling process, the problems of volatilization and wrapping of tin oxide, agglomeration of powder and the like are solved to the greatest extent through a segmented sintering process and control of optimized doping components, uniform solid solution of tin elements in gallium oxide crystal lattices is ensured, the stability of the doping process is ensured, and the doping efficiency is improved. And the quality and performance of the sintered body are improved. On the basis, by regulating and controlling process conditions of a heating stage and a crystal growth stage, concentration fluctuation at an interface is further inhibited, and melt convection homogenization is promoted, so that the solid solubility and distribution consistency of the tin element in beta-Ga2O3 crystal lattices are improved, and the overall performance of the beta-Ga2O3 single crystal material is further improved; a high-quality and repeatable material basis is provided for subsequent device preparation, and the urgent demand of a power device and a deep ultraviolet photoelectric device on the high-performance beta-Ga2O3 single crystal substrate is effectively met.

The utility model relates to a tin stripping waste liquid recovery processing device which comprises a sedimentation tank, the sedimentation tank is connected with a new tin stripping liquid regeneration kettle through an oxidation tank, a centrifugal machine, a buffer tank, a multi-effect evaporator and a condenser in sequence, the centrifugal machine is further connected with a filter through a pyrolysis tank and washing equipment in sequence, and the filter is respectively connected with a dryer and a first post-processing tank. And the first post-treatment tank is also respectively connected with a second post-treatment tank and the multi-effect evaporator, and the second post-treatment tank is connected with an inlet of the new tin stripping liquid regeneration kettle. According to the recovery treatment device for the tin stripping waste liquid, the tin stripping waste liquid is recycled, dissolved tin elements, iron elements and copper elements are all recovered, maximum utilization of resources is achieved, no other waste is generated in the recovery process, and secondary pollution is eliminated.

The oxide sintered body of the present application contains a tin element, a tantalum element, and a niobium element. The area ratio of the hole portion per unit area in the cross-sectional observation of the oxide sintered body is 1% or less. The maximum equivalent circle diameter of the hole portion in the cross-sectional observation of the oxide sintered body is 20 μm or less. The maximum Feret diameter of the hole portion in the cross-sectional observation of the oxide sintered body is 50 μm or less. The relative density of the oxide sintered body determined based on the Archimedes method is 99.6% or more is appropriate. The bending strength of the oxide sintered body determined according to JIS R1601 is 180 MPa or more is appropriate.

The invention relates to the technical field of electrical contact materials, in particular to a SnO2 electrical contact material for a new energy electrical appliance and a preparation method of the SnO2 electrical contact material. The SnO2 electrical contact material comprises 8-15% of tin oxide, 0.5-3% of a composite additive, 0.1-2% of an accelerant and the balance of silver. According to the invention, yttrium ions and chromium ions can be partially dissolved in tin oxide crystal lattices, so that the thermal decomposition reaction of tin oxide at extremely high arc temperature is effectively inhibited, the material loss caused by tin element volatilization is reduced, the second additive generates a high-melting-point composite oxide phase after high-temperature calcination, and the high-melting-point composite oxide phase is uniformly distributed in a silver matrix; as a physical skeleton for resisting arc erosion, the accelerant mainly plays a role in dispersing and interface optimizing, and an interface compound containing zinc, lanthanum, boron and oxygen is formed after the accelerant is calcined, so that the wettability and binding force between tin oxide particles and a silver matrix are improved, uniform distribution of the tin oxide particles is ensured, local overheating and concentrated erosion are avoided, and the service life of the tin oxide particles is prolonged. Therefore, the mass loss of arc ablation is obviously reduced.

Embodiments of the present disclosure provide an oxide thin film transistor and a display device. Relate to the technical field of thin film transistor, for improving the on-state current and stability of oxide thin film transistor. The oxide thin film transistor comprises a gate, an active layer, a source and a drain. Wherein, the active layer comprises a first active layer and a second active layer which are arranged in a stack, and the first active layer is closer to the gate than the second active layer. The first active layer and the second active layer contain the same metal elements, and both contain at least two of indium element, zinc element, gallium element, tin element, aluminum element, titanium element, tantalum element, tungsten element and molybdenum element; the first active layer and the second active layer also contain oxygen element, and the crystalline state of the first active layer and the second active layer is different, and / or the content of oxygen vacancy of the first active layer and the second active layer is different.

The application provides a composite brazing sheet, a preparation method thereof and a brazing body. The composite brazing sheet comprises a core material, a brazing material layer arranged on at least one side surface of the core material, and an intermediate layer arranged between the core material and the brazing material layer. The intermediate layer comprises a low-melting-point phase, and the melting point of the low-melting-point phase is not higher than 600 DEG C. The low-melting-point phase comprises magnesium and at least one element selected from bismuth and tin. The composite brazing sheet provided by the application is provided with an intermediate layer, and the intermediate layer forms a specific low-melting-point phase, so that the breaking of the oxide film and the improvement of the uniformity of wetting are realized, the formation of an effective weld is more favorable, the use of a brazing agent in the CAB brazing process is avoided, the problem of brazing agent residue is completely avoided, and good brazing effect is ensured.

The application discloses a high-performance titanium alloy material for promoting spheroidization and a preparation method thereof, and belongs to the field of high-strength and high-toughness titanium-based alloy materials, and comprises the following steps: high-purity raw materials are smelted into titanium-based alloy button ingots containing different tin element contents by using a vacuum induction smelting furnace; after homogenization treatment of the titanium-based alloy button ingots, a high-performance titanium alloy material is obtained by adopting a sectional hot rolling process; and the high-performance titanium alloy material is subjected to mechanical property testing, and the longitudinal mechanical test results are as follows: yield strength is 880-1080 MPa, tensile strength is 1020-1220 MPa, and elongation is 12.5-23%; and the transverse tensile test results are as follows: yield strength is 920-1100 MPa, tensile strength is 1050-1290 MPa, and elongation is 11-20%. The Ti80 zirconium element is replaced by doping of the tin element, and the rolling process is controlled to promote spheroidization of the structure, so that the strength and ductility of the titanium-based alloy are improved.

The application discloses a method for recovering tin from MOCA wastewater and waste materials, which comprises the following steps: pretreating tin-containing MOCA wastewater, pretreating tin-containing MOCA waste materials, preparing a tin-containing hydrochloric acid solution and preparing crude tin oxide, etc., wherein the MOCA wastewater and waste materials are pretreated, then hydrochloric acid is used to separate tin elements in the MOCA production wastewater and the MOCA production waste materials to obtain a tin-containing hydrochloric acid solution, and then the tin-containing hydrochloric acid solution is neutralized by an alkaline substance to form a tin oxide precipitate; the crude tin oxide prepared by the method has a high tin content and less impurities, and can be directly applied to tin smelting raw materials or tin chemical production raw materials; sodium chloride solution is directly recovered through evaporation crystallization; and the MOCA waste materials after tin separation can also return to the MOCA production line, so that the utilization rate of the metal tin and the MOCA raw materials is effectively improved, the generation of hazardous waste is reduced, and good economic and environmental benefits are achieved.

The application discloses a preparation method of a tin-plated soft magnetic composite material and the soft magnetic composite material. The preparation method comprises the following steps: (1) preparing an iron-based soft magnetic powder and performing pretreatment; (2) configuring a tin-plating solution containing a tin salt; (3) chemical plating; and (4) annealing: ① passing high-purity argon gas, heating to 240-260 DEG C at a speed of 2-3 DEG C / min, and keeping the temperature for 30-120 min; ② switching to a mixed gas atmosphere of argon and oxygen, heating to 280-300 DEG C at a speed of 1-2 DEG C / min, and keeping the temperature for 60-90 min; and ③ restoring the high-purity argon gas atmosphere, cooling to 150-200 DEG C at a speed of 1-2 DEG C / min, keeping the temperature for 30-60 min, and then cooling to room temperature. The grain coarsening of the iron-based matrix is completely avoided. Meanwhile, the tin element is distributed along the grain boundaries by utilizing the selective wetting characteristics of liquid tin at the grain boundaries, and the solid solution amount in the grain is less than 0.01 wt%.

The invention discloses a wide-spot tin bronze laser cladding method, and belongs to the technical field of laser remanufacturing. The method comprises the following steps: physically dehumidifying tin bronze powder; the minimum critical preheating temperature of the base material is determined based on the dynamic relation between the molten pool solidification life and the bubble escape time; configuring a rectangular flat-top wide light spot, and calculating a critical power density upper limit based on a tin element saturated vapor pressure model; and performing laser cladding under the condition that the actual power density is controlled to be maintained in a preset safety range. According to the method, the multi-physics field coupling model and the wide light spot technology are combined, the temperature gradient is reduced through the flat-topped light beams, the machining efficiency is remarkably improved, meanwhile, tin element burning loss is effectively restrained, the number and size of air holes in the coating are reduced, and preparation of the tin bronze coating with the low dilution rate and the high quality is achieved.

The invention discloses a large-scale treatment method for an Al-Bi-Sn alloy hydrolysis byproduct. The large-scale treatment method comprises the following steps: S1, crushing the byproduct into fine particles; s2, feeding crushed by-products into an alkaline leaching reaction kettle for alkaline leaching treatment; s3, centrifugally separating the filtrate and the filter residue; s4, the filter residues are fed into an enamel reaction kettle for acid leaching treatment, and bismuth elements and tin elements in the filter residues are converted into bismuth chloride and tin chloride; s5, aluminum powder is added into the solution obtained after acid leaching for a replacement reaction, and a spongy bismuth and tin mixture is obtained; s6, the mixture is heated, and liquid tin and solid bismuth are obtained; s7, performing high-pressure dissolution reaction on the filtrate; s8, performing seed crystal decomposition on the filtrate, and crystallizing the sodium aluminate solution to separate out aluminum hydroxide; s9, calcining the aluminum hydroxide to convert the aluminum hydroxide into alpha-type aluminum oxide; the method has the advantages that comprehensive and efficient recovery of aluminum, bismuth and tin in byproducts can be achieved, comprehensive power consumption is low, and resource waste is reduced.

The invention relates to the technical field of waste lead plaster recycling, in particular to an extracting agent for recycling tin element in waste lead plaster and a recycling method. The invention provides an extracting agent for recycling tin element in waste lead plaster. The extracting agent comprises a tin solubilizer containing carboxyl, ketone group and disulfide bond, and an alkali cosolvent, in the extracting agent, the molar ratio of the carboxyl group to the ketone group to the disulfide bond to the hydroxyl group in the alkali cosolvent is (1.0-4.0): (0.5-3.0): (0.3-2.0): (1.0-5.0); the pH value of the extracting agent is 9-10. According to the extracting agent provided by the invention, the indissolvable tin oxide in the waste lead plaster is converted into a soluble tin complex by utilizing the action of carboxyl, ketone group and disulfide bond in the tin solubilizer with Sn < 4 + > and combining the OH <-> and alkaline action of the alkaline cosolvent, so that a foundation is laid for efficient recovery.

The utility model provides a bronze pot which comprises a pot body, the pot body is made of copper-tin alloy, a plurality of heating holes which are distributed at equal intervals and are the same in size are formed in the bottom of the pot body, inner ribs are arranged on the inner wall of the pot body, partition plates are arranged on the inner sides of the inner ribs, the left side and the right side of the pot body are fixedly connected with pot handles, and the pot handles are fixedly connected with the pot body. And the heated hole and the pot body are in a non-penetrating state. Through the arrangement of the heated holes, the heat efficiency can be improved, heat distribution is uniform, heat transfer is accelerated, the energy-saving and environment-friendly effects are achieved, the overall firm durability, abrasion resistance and corrosion resistance of the pot body can be enhanced, and the overall service life is prolonged. The pot body is integrally cast into a cone by adopting a mechanical structure, so that the pot body is firmer and more durable and is not easy to deform or damage, and the pot body is made of bronze, so that the pot body can be used for supplementing copper elements and tin elements for a human body, improving the common anemia phenomenon of people, has a special sterilization effect and prevents the generation of microorganisms.

This invention relates to the field of ferroelectric thin film materials technology, specifically to a ceramic-based high-energy-density ferroelectric thin film material and its preparation method, comprising the following steps: S1: premix preparation, S2: substrate preparation, S3: finished product preparation. The premix is ​​spin-coated and cured on the substrate surface to obtain the ceramic-based high-energy-density ferroelectric thin film material. In this invention, zinc and tin elements are introduced in the preparation of additives. Zinc can improve the insulation of the thin film material. The addition of tetrabutyl titanate and barium nitrate components in the mixture allows the titanium and barium elements contained therein to form a regular crystal structure inside the film, enabling it to orderly accommodate charges and avoid chaotic charge loss. Utilizing the larger ionic radius of barium ions, the crystal lattice can be expanded to form a stable interlayer structure, which can reduce charge loss and improve energy storage efficiency.

A solid electrolyte according to one aspect of the present invention contains a lithium element, a phosphorus element, a tin element, a sulfur element, and an element X, wherein the element X is a bromine element and an iodine element, a molar ratio (Sn / (P+Sn)) of the content of the tin element to the total content of the phosphorus element and the tin element is 0.15 to 0.45, a molar ratio (S / (P+Sn)) of the content of the sulfur element to the total content of the phosphorus element and the tin element is 3.70 to 4.10, and a molar ratio (X / (P+Sn)) of the content of the element X to the total content of the phosphorus element and the tin element is 0.10 to 1.00.

The invention provides a method for preparing a dispersion strengthened silver-tin-indium alloy electric contact material through a water vapor internal oxidation method, and belongs to the technical field of electrical alloy material preparation. A silver-tin-indium alloy workpiece is placed in a tubular oxidation furnace, argon with a certain relative humidity is introduced, and internal oxidation treatment is carried out at high temperature and normal pressure. According to the method, oxygen atoms are provided through decomposition of water vapor at a high temperature, the oxygen atoms are diffused into a silver matrix and are selectively oxidized, the oxygen atoms react with solid-solution Sn, In and Te, and SnO2, In2O3 and TeO2 dispersion strengthening phases are generated in situ in the alloy. According to the method, the problem that a silver enrichment area exists due to precipitation and aggregation of indium and tin elements in an oxidized workpiece caused by high-pressure pure oxygen in a traditional internal oxidation process is solved, the process is simple and environmentally friendly, oxide in the obtained material is uniformly dispersed, and the material has excellent hardness and is suitable for electric contact elements under low-voltage and medium-high current loads.