630 results about "Metal metal" patented technology

Improved performance ion exchange membranes for use in REM, AEM and DMFC fuel cells, buffered fuel cells, hydrolysis, other applications comprise a molecular matrix of homopolymers, di-monomer, heteropolymers, copolymers, or block-polymers of fluorocarbon and hydrocarbon compounds combined with (i) skeletal support grid to improve durability, handling, reduce membrane swelling, and sequester dopants and nanoparticles from leakage; (ii) microporous membrane formed using a sacrificial filler process enhancing conductivity and limiting fuel crossover; (iii) hetero-ionomeric matrix of two-or-more membrane-bound acids e.g. sulphonic and phosphonic acid expanding usable range; (iv) permanent fillers enhancing conductivity and porosity including nanoparticles, metal-oxides, zeolites, silicates, GOs, CNTs, MOFs, POSS, and others; (v) ionic liquid doping to enhance membrane conductivity; (vi) membrane nanocoating preventing H2O2 diffusion; and / or (vii) catalytic nanocoating with metals, metal-oxides, and MOFs preventing atmospheric toxin catalyst poisoning. Combined with a heterogenous GDI, the IEM is integrated into iBFC power blade and energy bank applications.

Active materials (e.g., alkali-metal metal phosphate (e.g., lithium iron phosphate), alkali-metal metal oxide and / or alkali-metal metal cyanide materials), preparation processes, and apparatuses useful in the manufacture thereof are described. Well-ordered active material particles (e.g., lithium iron phosphate particles) prepared by the processes and manufacturing apparatuses disclosed herein are also described.

A design method for a metalens, a metalens, a shaping and beam-combination device and a display device are provided, when Gaussian beams passes through the metalens, the Gaussian beams are shaped into a plurality of flat-topped beams that project to a target position on a target plane. The method includes: determining an incident parameter, and the incident parameter includes wavelengths and radius of the plurality of Gaussian beams; determining an outgoing parameter, and the outgoing parameter includes a width of flat-topped beams; setting metalens portions on the metalens and determining a position of each metalens portion; the metalens portions and the Gaussian beams are one-to-one correspondence, calculating a modulation phase distribution according to the incident parameter, and the outgoing parameter and the position of each metalens portion; arranging unit cells on the metalens portions according to the modulation phase distribution, and obtaining the metalens.

A bonded assembly includes a first semiconductor die containing first semiconductor devices and a first bonding pad embedded within a first silicon oxide layer, where the first bonding pad includes a first copper containing portion, a second semiconductor die containing second semiconductor devices and a second bonding pad that is embedded within a second silicon oxide layer and is bonded to the first bonding pad via metal-to-metal bonding, where the second bonding pad includes a second copper containing portion, and at least one metal silicon oxide layer interposed between the first bonding pad and the second silicon oxide layer. In one embodiment, the at least one metal silicon oxide layer is a manganese silicon oxide layer.

The invention discloses a brake disc manufacturing process, and relates to the technical field of brake disc manufacturing. The brake disc manufacturing process specifically comprises the following steps that S1, a casting is purchased, and machining operation is conducted on the casting, so that an initial disc is obtained; s2, carrying out first cladding operation on the disc surface of the initial disc; according to the manufacturing process of the brake disc, while color individuation of the brake disc is guaranteed, the color of a disc body of the brake disc is guaranteed by applying a laser cladding technology, and one or more special metal or nonmetal wear-resistant layers are formed on the surface of the brake disc, so that the wear resistance and the rust resistance of the brake disc are improved, the attractiveness is improved, and the attractiveness and individuation of the brake disc are improved; the automobile brake disc is subjected to surface treatment through laser coating, the metal coating is formed, coloring agent materials such as metal or metal compounds or ceramic are added while laser coating is conducted, color changing of multiple colors can be conducted on the brake disc, and the effect that the brake disc is not discolored after long-term operation can be kept.

The invention provides fluorescent conversion type red fluorescent powder for display as well as a preparation method and application thereof, and belongs to the technical field of light-emitting display materials. Metal Sr, metal Al and metal Eu are mixed and smelted according to the stoichiometric ratio and then ground to prepare alloy powder, lithium aluminum hydride powder and the alloy powder are ground, mixed, calcined and ground again, and the red fluorescent powder for laser display with high brightness under blue light excitation is prepared. According to the invention, an alloying method is combined with a nitriding method, and the molar ratio (greater than 70%) of Eu < 2 + > (radiative transition) in all Eu elements in the prepared fluorescent powder product is greatly increased, so that the prepared red fluorescent powder has high color purity, high luminous efficiency and thermal stability, and meanwhile, a sample has an ultrahigh saturation threshold value under the excitation of blue laser; the material can be applied to a fluorescence conversion type laser display technology, and has huge potential for laser display devices.

The invention relates to the technical field of precious metal recovery, in particular to a precious metal recovery method. Comprising the following steps: filtering wastewater containing precious metals by using a precious metal recovery composite membrane, and drying the precious metal recovery composite membrane after filtering; then filtering an acidic aqueous solution by using the dried precious metal recovery composite membrane, and then continuously filtering and cleaning by using clear water; the cleaned precious metal recovery composite membrane is put into an N, N-dimethylformamide soaking solution, then ultrasonic oscillation treatment is conducted, the composite membrane is taken out of the soaking solution, then centrifugal treatment is conducted on the soaking solution, precipitates are collected, and the precious metal particles are obtained. The precious metal is recovered by adopting a membrane filtration method, and compared with an impregnation method, a large amount of membrane cost is saved, so that the precious metal recovery cost is reduced, and the method is suitable for industrial metal recovery.

The invention refers to an oxidation-reduction system configured for water or wastewater treatment by removal of organic and inorganic pollutants comprising a catalytic oxidation multiphase reactor (1) in series with a catalytic reduction multiphase reactor (6), wherein at least one catalytic bed (2,7) comprises a macrostructured catalyst. The invention also refers to a catalyst for heterogeneous catalytic ozonation and / or for heterogeneous catalytic reduction comprising an active component selected from a group consisting of a metal, a metal oxide, or a carbon-based material supported on a macrostructured catalyst. The combined processes (catalytic ozonation and reduction) are able to remove emerging organic and inorganic (micro)pollutants more efficiently, promoting not only the degradation and ultimately mineralization of organic pollutants, but also the transformation of resulting inorganic subproducts into non-harmful substances.

The invention discloses welding equipment for a high-strength steel plate welding structural part, and relates to the technical field of high-strength steel plate welding. Welding seam metal between the two high-strength steel plate bodies is hammered and rotated through the spherical hammer head, the welding seam metal can generate plastic deformation through the hammering effect, crystalline grains of the welding seam metal can be refined through the plastic deformation, pressure stress is generated in a welding seam, the possibility of cold crack generation is reduced, and the welding quality is improved. In the knocking process, along with rotation of the spherical hammer head, hammering force generates a tangential stress component on the surface of the weld joint, the tangential stress can enable weld joint metal to be subjected to certain compression and rubbing effects in the horizontal direction, the weld joint and base metal can be better combined more tightly, and the welding quality is improved. And the situation of cold cracks possibly caused by interlayer tearing and the like is further avoided.

A method for preparing a carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material is provided, and the method includes the following steps: the carbon nanotubes are modified by a dielectric barrier plasma device; the modified carbon nanotubes are mixed and stirred with a sodiophilic metal salt to obtain a precursor slurry; the precursor slurry is dried, placed in a tube furnace after drying, and heated by introducing a reducing gas to react, thereby obtaining a carbon nanotube sodiophilic metal anode-free sodium metal battery electrode material. The electrode material prepared by the method has a stable structure, excellent electrical conductivity, and excellent sodium affinity, and can be applied to anode-free sodium metal battery electrode materials. The entire preparation process is controllable, the synthesis cycle is short, and the operation is simple.

Apparatus and method for surface processing of cylindrical bodies, particularly for surface restoration of laminating cylinders. The apparatus includes a workstation configured to receive a cylindrical body having a lateral surface movable by rotation about an axis of rotation, a laser emitter cooperating with the workstation and configured to emit at least one laser beam, a profile detector configured to detect a detected surface profile of the lateral surface of the cylindrical body, and a control unit operatively configured to perform at least one procedure for restoring the lateral surface of the cylindrical body. The restoration procedure includes a procedure for detecting the surface profile of the cylindrical body, including a step of comparing the detected surface profile with a target surface profile, and a removal procedure including a step of emitting the laser beam on the cylindrical body to remove metallic material and to obtain the target surface profile.

A process for preparing a mixed-metal metal-organic framework. The process comprises providing a hydrogen bonded metal organic framework (HM1OF); soaking the hydrogen bonded metal organic framework (HM1OF) in a metal (M2)-comprising solution; and forming a mixed-metal MOF (M1OF-M2), where M1 and M2 are different metals.

A method of depositing a metal includes providing a structure a process chamber, and providing a metal fluoride gas and a growth-suppressant gas into the process chamber to deposit the metal over the structure. The metal may comprise a word line or another conductor of a three-dimensional memory device.

Provided herein are methods of purifying graphite comprising: electrochemically treating graphite comprising an impurity selected from the group consisting of metals, metal oxides, and combinations thereof in the presence of an electrolyte; a portion of the impurities is removed by electrochemical treatment and purified graphite is provided. Also provided are purified graphite provided by such a method, as well as a negative electrode and a battery each comprising the purified graphite.

The invention belongs to the field of MEMS sensors, and discloses a high-temperature-resistant MEMS pressure sensor chip and a packaging structure thereof. The chip is provided with an SOI substrate, an AlN layer and a SiO2 layer from bottom to top, a plurality of P-type piezoresistors are arranged on the uppermost layer of the SOI substrate and are symmetrically distributed at the stress concentration position of the edge of the elastic diaphragm; a channel which continuously penetrates through the AlN layer and the SiO2 layer is arranged above the P-type piezoresistor; a metal Pad is arranged in the channel; the upper end of the metal Pad is located on the uppermost layer of the high-temperature-resistant MEMS pressure sensor chip, and the lower end of the metal Pad is in contact with the P-type piezoresistor. According to the invention, the relatively thick buried oxide layer can resist a high-temperature severe environment, and an AlN heat dissipation material with a high heat conductivity coefficient is deposited, so that rapid heat dissipation at a high temperature is ensured; and meanwhile, the stability and the reliability of the sensor are improved by adopting leadless packaging, and the packaging density is further optimized.

To solve such a problem that there is possibility that vibration fatigue and loosening of a screw body due to vibration occur when an overhead power line for an electric car track oscillates and so on in an overhead power line metal fitting for an electric car tract that pinches the overhead power line for an electric car track by fastening the screw body.SOLUTION: An overhead power line metal fitting comprises: a first pinching body 2 having a first pinching part 2a and a storage part 5; and a second pinching body 3 having a second pinching part 3a, a fit-in part 6 which has an insertion hole 3c in which a male screw part 30b can be inserted and which can be accommodated in the storage part 5, and a second female screw part 11 in which a first spiral strip 12 that is coaxial with the insertion hole 3c and can engage with a first spiral groove 31 is formed. By spirally rotating the male screw part 30b and the first female screw part 11 relatively, the fit-in part 6 can be advanced and retreated in the storage part 5.SELECTED DRAWING: Figure 6

A positive electrode material is presented for a rechargeable electrochemical cell that comprises a negative electrode, a positive electrode, and an electrolyte. The positive electrode material comprises a compound with the general formula ζ-AxMyV2O5 and / or ζ-AxMyNzV2- z05, where M and N are transition metals, alkaline earths, alkalis, post-transition metals, metalloids, or a combination thereof and A is one or more ions selected from the group consisting of Li, Na, K, Mg, Ca, Zn, and Al ions. This series of vanadium oxide compounds provides additional electrochemically active ions above the quantity required for cycling that are used to mitigate first cycle capacity losses, also known as formation losses, in secondary batteries.

The invention relates to a Ga-Fe-based liquid alloy catalyst and a preparation method and application thereof, the Ga-Fe-based liquid alloy catalyst comprises a metal Ga, a metal Fe and a metal M, and the metal M is one of Ti, Mn, Co, Ni, Cu, Zr, Nb, Mo and W. According to the Ga-Fe-based liquid alloy catalyst provided by the invention, the metal Ga is taken as a matrix, the metal Fe and the metal M are taken as active catalytic sites, and based on the characteristic that the metal Ga can be mutually dissolved with other metals to form a low-melting-point alloy, the formed alloy catalyst can be changed into a liquid state for reaction at a reaction temperature, and due to the characteristic of liquidity of the liquid state, the alloy catalyst has good catalytic activity. The metal active components of ammonia synthesis can be continuously refreshed at the interface, so that nitrogen and hydrogen are more fully contacted with metal Fe and metal M, the mass transfer efficiency is higher, the phenomenon that active sites of a traditional solid catalyst are poisoned and inactivated is avoided, and N2 and H2 can effectively react to generate ammonia under the low-temperature and low-pressure conditions.

The present invention provides an oil-dispersible polydopamine nano-lubricating additive and a preparation method and application thereof, belonging to the field of new material technology. The additive is prepared by the following method: taking polydopamine nanoparticles, dispersing them in water, adjusting the pH of the dispersion to 3-4 with dilute hydrochloric acid, and continuously stirring the reaction; adding ethyl acetate to the dispersion after the reaction, then dripping a lipophilic fluorine-containing anion salt solution, and stirring for 0.5-1h; obtaining the oil phase after the reaction, and removing the ethyl acetate. The present invention adopts a simple and controllable protonation reaction and anion transfer process to successfully adjust the lipophilicity and lipophobicity of polydopamine nanoparticles, and achieves its long-term dispersion stability in polyethylene glycol base oil for more than 30 days. The polydopamine nanoparticles prepared by the present invention can be directly dispersed in polyethylene glycol lubricating base oil, and have an effective lubricating effect on the friction and wear between metal / metal friction pairs.

The invention relates to the technical field of catalysts, and discloses a foam structure catalyst and a preparation method and application thereof. The foam structure catalyst comprises a foam structure, metal M2, metal oxide M2Ox, heteropolyacid salt of the metal M2, optional tungsten oxide WOz1 and optional molybdenum oxide MoOz2, the metal M2, the metal oxide M2Ox and the heteropolyacid salt of the metal M2 grow on the foam structure, z1 is equal to 2-3, and z2 is equal to 2-3; wherein the heteropolyacid salt is selected from one or more of tungstate and molybdate, M2 is selected from one or more of Cu, Ni, Fe, Zn and Co, and x is equal to 0.5 to 1.5; the foam structure contains metals M1 and M1Oy, M1 is selected from one or more of foam iron, foam nickel and foam cobalt, and y is equal to 1-1.5. The foam structure catalyst can be used for stable hydrogenolysis of glucose, the glucose conversion rate stably reaches 100% in a continuous fixed bed reactor, and the selectivity of 1, 3-propylene glycol is larger than or equal to 55%, and the selectivity of ethyl alcohol is larger than or equal to 48%.

A welded joint between a metallic connector and at least a metallic core of a metallic hydrogen separation membrane comprising a fusion weld formed from and between the metallic connector and at least the metallic core of the metallic hydrogen separation membrane, wherein the connector may be formed of a different metal or metal alloy to the metallic core of the hydrogen separation membrane, and wherein the fusion weld includes a sealing portion that provides a continuous seal between the metallic connector and at least the metallic core of the metallic hydrogen separation membrane and the weld metal of the sealing portion comprises less than 40% by mass of metal from the metallic core of the metallic hydrogen separation membrane.

The invention relates to the technical field of wastewater treatment, and discloses an electrochemical device and a treatment method of high-concentration organic wastewater. The electrochemical device includes a reaction vessel, and an anode, a cathode, and a particle electrode disposed within the reaction vessel, at least one of the anode and the cathode including a first electrode layer, a second electrode layer, and a metal layer disposed between the first electrode layer and the second electrode layer. Wherein the metal layer contains a metal and b metal, the a metal is copper, and the b metal is selected from at least one of iron, nickel and zinc. When the electrochemical device is used for treating high-concentration organic wastewater, the ammonia nitrogen content and the COD content of effluent can be effectively reduced.

A vacuum induction melting (VIM) furnace and method of using. A VIM is configured for use with metal-containing carbon powders. In operation, the metal-containing carbon powders are formed into a pellet so as to minimize or eliminate ejection of material during introduction of the pellet into the VIM processor. The VIM processor may be substituted or used in combination with a vacuum arc melt processing apparatus, an electron beam melt furnace, an ion plating furnace, a plasma flame source, a smelter, a traditional metal-metal melt furnace, or any equivalent. Pelletizing can be accomplished through use of a press or through application of any pelletizing technique and / or use of any apparatus that is able to generate pellets that have sufficient mass to avoid ejection from a VIM processor.

A semiconductor device includes; a substrate including an active pattern, a channel pattern and a source / drain pattern on the active pattern, wherein the channel pattern is connected to the source / drain pattern, a gate electrode on the channel pattern, and a gate contact connected to a top surface of the gate electrode, wherein the gate contact includes a capping layer directly contacting the top surface of the gate electrode and a metal layer on the capping layer, wherein the capping layer and the metal layer include the same metal, a concentration of oxygen in the metal layer ranges from between about 2 at % to about 10 at %, and a maximum concentration of oxygen in the capping layer ranges from between about 15 at % to about 30 at %.

The invention discloses a metal-intermetallic compound composite material with a brick mud structure and a preparation method, and belongs to the field of bionic composite materials. According to the method, metal foil and Al foil are subjected to surface pretreatment and then subjected to ultrasonic cleaning, the metal foil and the Al foil are stacked according to the mode that the metal foil and the Al foil serve as units, a vacuum hot pressing sintering device is used for pre-sintering the metal foil and the Al foil to obtain a metal-intermetallic compound layered composite material, then the metal-intermetallic compound layered composite material is cut into a specific size and subjected to secondary sintering in a mold, and a high-temperature and high-pressure method is adopted for secondary sintering. The invention aims to obtain the brick mud structure metal-intermetallic compound layered composite material with a compact structure. Wherein the intermetallic compound serves as a'brick 'and is uniformly distributed in the metal, the metal serves as a'mud' and serves as an integral tissue framework, the material is closer to a natural shell structure in structure, and the mechanical property of the material is far better than that of a traditional composite material of a layered structure. According to the method, the comprehensive mechanical property of the traditional layered composite material can be effectively improved.

The invention discloses metal part cutting equipment with an edge trimming function, and relates to the technical field of metal part cutting. Comprising a first electric conveying wheel, a main base, a second electric conveying wheel, a deviation rectifying and positioning assembly, a hydraulic driving assembly, an edge repairing assembly, a fixing assembly, a lower cutting table and a cutting tool bit. The detection positioning head is used for detecting the deviation correction condition, the multiple detection wheels on the detection positioning head convert the centering condition of the metal part into electric signals capable of being detected, the control system analyzes the centering condition of the metal part by analyzing the magnitude of the electric signals, and therefore the effects of deviation correction and size screening of the metal part are achieved. The first grinding roller and the second grinding roller are used for grinding and finishing the cutting surfaces of the to-be-cut metal piece and the finished metal piece at the same time, and then the edge detector moving in the opposite direction is used for conducting secondary detection on the ground edge, so that the finishing quality is guaranteed.

Microelectronic assemblies and related devices and methods are disclosed herein. In some embodiments, a microelectronic assembly may include a glass layer having a surface, the glass layer including a conductive through glass via (TGV); a dielectric layer at a surface of the glass layer, the dielectric layer including a conductive via; and an interconnect between a surface of the glass layer and the dielectric layer, where the individual interconnect electrically couples the individual TGV to the individual conductive path. In some embodiments, the interconnect includes solder or liquid metal ink. In some embodiments, the interconnect includes a metal-metal bond and a dielectric-dielectric bond.

The present invention discloses a non-thermal plasma treatment of metal powders in order to improve their processability by additive manufacturing (AM). The invention consists in bonding primary particles constituted of metals or metal alloys to a plurality of secondary particles constituted of metals, metal alloys, ceramics or polymers by the mean of a non-thermal plasma treatment. The primary particles have a larger mean diameter than the secondary. Both particles are injected through a non-thermal plasma glow discharge and / or in its afterglow region (region downstream the plasma discharge) where their surfaces are cleaned by removing contaminants and / or oxide layer and activated to react between each other. The functionalized metal powders are then collected and afterwards processed by AM leading to high quality parts. The functionalized metal powders produced by this plasma treatment improve the processability of metal by AM.

A 3D semiconductor device, the device including: a first level including first single crystal transistors; a second level including second transistors; memory periphery circuits; and memory cells, where the first level is overlaid by the second level, where the first level includes a transferred layer and a bonded layer, where the second level is bonded to the first level, where the bonded second level includes oxide to oxide bonds, where the bonded second level includes metal to metal bonds, where the first level includes a preponderance of the memory periphery circuits, where the second level includes a preponderance of the memory cells, where the preponderance of the memory periphery circuits are connected to the preponderance of the memory cells using a portion of the metal to metal bonds, and where the memory periphery circuits include at least one Look up Table (“LUT”) circuit.

The invention relates to the technical field of recovery of valuable metals in causticized slag, in particular to a method for recovering tungsten in causticized slag, which utilizes the characteristics that tungsten contained in the causticized slag mainly exists in the form of sodium tungstate and Na2WO4 can be dissolved in water, comprises the following steps: firstly, leaching tungsten in the causticized slag by adopting a water leaching method without additionally adding acid and alkali, and then leaching tungsten in the causticized slag by adopting a water leaching method, according to the method, tungsten ions in water leaching liquid are recycled through an ion exchange method, separation of the tungsten ions and other soluble impurity elements is achieved through the characteristic that alkalescent anion resin adsorbs metatungstate in an acid environment, the method combining the water leaching process and the ion exchange process is adopted, valuable metal can be highly leached and recycled, and the method is suitable for industrial production. The metal recovery rate is high, loss of valuable metal in the slag is reduced, waste of tungsten resources is avoided, the process is simple, operability is high, the production cost is low, environment friendliness is achieved, and the tungsten recovery cost is greatly reduced.