7246 results about "Aluminium" patented technology

An aluminum mullion and method for creation by an extrusion and castellation process for use in a construction section. The aluminum mullion may comprise a first end, a second end having a guide track; a height, and a mullion body positioned between the first end and the second end. The aluminum mullion may be extruded by pushing semi-molten aluminum through a steel die under high pressure to create a monolithic beam shape and then at least one portion of the mullion body is removed by the castellation process. Multiple portions of the mullion body may be removed along the height of the mullion as needed for construction requirements.

The invention discloses a large-size high-strength 2195 aluminum-lithium alloy forged ring and a preparation method thereof. The preparation method comprises the following steps: selecting a cast ingot with the size ratio of height to diameter of 3.5-4.2 as a forged ring raw material; a forging ring raw material is heated and subjected to heat preservation, upsetting and drawing-out are conducted on the forging ring raw material once in three directions on pressure equipment, double-drum rounding is conducted after each time of upsetting, four-direction pressing and eight-direction reversing are conducted after drawing-out, finally one time of axial upsetting is conducted, and punching is conducted after the last time of axial upsetting; broaching the forged ring raw material after punching, and performing radial ring rolling to obtain a ring blank; heating the ring blank, and immediately immersing the ring blank in water after heating; after solution treatment, axial cold pressing and radial cold bulging are carried out, the radial cold bulging is divided into three stages, the ring blank is rotated by a certain angle along a ring mandrel after radial cold bulging in each stage, and uniform deformation is guaranteed; the method has the advantages that anisotropy is reduced, the residual stress of the forged ring is small, and the percent of pass is high.

The invention relates to the technical field of aluminum-based thin film preparation, and discloses an aluminum-based thin film uniform deposition system based on magnetron sputtering. The system comprises a substrate state detection module, a magnetic field dynamic regulation and control module, a sputtering power regulation module, a deposition process monitoring module and a central control terminal. The substrate state detection module collects and transmits surface flatness data of the substrate in real time, and the central control terminal carries out visual display. The magnetic field dynamic regulation and control module obtains magnetic field intensity correction through a magnetic field gradient algorithm according to the deviation value of the real-time flatness parameter and the standard parameter and sends the magnetic field intensity correction to the sputtering power regulation module. And the sputtering power adjusting module adjusts the sputtering rate of the target material accordingly. The deposition process monitoring module tracks the adjusting process, evaluates the dynamic response performance, generates a stable or fluctuation signal and sends the stable or fluctuation signal to the central control terminal, and the central control terminal triggers sound-light alarm when receiving the fluctuation signal. The system can improve the deposition uniformity and process stability of the aluminum-based thin film.

The invention provides an anti-corrosion ceramic sagger and a preparation method thereof.The anti-corrosion ceramic sagger comprises an aggregate layer and a matrix layer, and the aggregate layer is prepared from, by mass, 30-50 parts of yttrium-stabilized zirconia, 20-30 parts of silicon carbide and 15-25 parts of magnesium aluminate spinel; the matrix layer is prepared from the following raw materials in parts by mass: 40 to 50 parts of mullite micro powder, 30 to 40 parts of cordierite micro powder and 10 to 20 parts of binding agent. According to the anti-corrosion ceramic sagger and the preparation method thereof, by optimizing the raw material ratio and the preparation process, the corrosion depth is smaller than or equal to 0.19 mm after the sagger is soaked in the molten salt environment at 900 DEG C for 72 h, the service life is prolonged by 6-8 times compared with that of a traditional corundum sagger, and the anti-corrosion ceramic sagger has wide application prospects.

The invention discloses a tailor-welding method for 1500Mpa grade aluminum-silicon coating hot forming steel, which comprises the following steps of: splicing plate materials to be welded together, and fixing through a tool clamp; under the protective atmosphere, welding wires are fed into the splicing gaps of the to-be-welded plate materials in a front wire feeding mode, and laser tailored blank welding is conducted through a laser; in the laser tailored blank laser welding process of the laser device, a laser beam advances along a welding seam in a swinging mode, and the swinging mode is circular, infinite, linear, sinusoidal, equilateral triangle, oval or rhombic circulating swinging. And carrying out heat treatment on the welded plate and then quenching. In the laser filler wire tailor-welding process, different forms of laser stirring paths and different welding process parameters are set, the liquidity of a molten pool is effectively improved, the mixing effect of metal liquid is enhanced, and components and organizations of a welding seam are distributed more evenly; meanwhile, formation of welding air holes is reduced, crack sensitivity is reduced, and the quality and performance of a welded joint are improved.

The invention belongs to the technical field of architectural ceramics, and particularly discloses radiation refrigeration glaze, a preparation method thereof and a lightweight ceramic tile. The radiation refrigeration glaze comprises a basic glaze and radiation refrigeration powder, the radiation refrigeration powder comprises nano-porous alumina and metallic oxide doped magnesium aluminate spinel, and the metallic oxide is selected from at least one of iron sesquioxide, manganese dioxide, cobalt sesquioxide and copper oxide. According to the invention, nano-porous alumina and metallic oxide doped magnesium aluminate spinel are compounded as radiation refrigeration powder, and the radiation refrigeration powder is added into the cover glaze of the light ceramic tile, so that not only are good glaze quality and tile shape obtained, but also the sunlight reflectivity ratio of the glaze is improved, thereby achieving a good radiation refrigeration effect, and improving the service life of the light ceramic tile. The sunlight reflectivity reaches up to 88-94%, the glaze quality and the brick shape are good, and the surface flatness is + / -0.3 mm.

The invention relates to a modified chrome corundum ramming material and a preparation and construction process thereof, and belongs to the technical field of chrome corundum ramming materials. The ramming material comprises a material A, a material B and a material C, wherein the material A comprises chrome corundum aggregate, titanium dioxide coated aluminum oxide microspheres, calcium sulfide dehydrate and silicon carbide porous microspheres; the material B comprises chromium oxide-zirconium oxide composite nano powder, sodium thiosulfate pentahydrate, tricalcium phosphate and hexagonal boron nitride flaky crystals; and the material C comprises an aluminum dihydrogen phosphate-magnesium hydroxide compound, a calcium fluoride-aluminum oxide co-melt and a silane coupling agent. The preparation process comprises the steps of pretreatment of all the components, preparation of composite powder and layered preparation. The construction process comprises the steps of pretreatment, wet-process mixing, layered ramming, negative-pressure permeation, medium-temperature reaction, spraying curing, integral firing and the like. Generation of hexavalent chromium can be effectively inhibited, the thermal shock resistance, the mechanical strength and the heat-conducting property of the material are remarkably improved, and the material has the advantages of being good in environment friendliness, long in service life, excellent in construction performance and the like.

The invention relates to a purification device and a high-purity aluminum purification method using the purification device. The purification device comprises a smelting chamber shell, a smelting chamber inner cavity, a smelting container arranged at the bottom of the smelting chamber inner cavity, a magnetic field module and a directional solidification module, wherein the magnetic field module and the directional solidification module are arranged in the gap position between the smelting chamber shell and the smelting chamber inner cavity. The magnetic field module comprises a first magnetic field and a second magnetic field; the first magnetic field comprises a centrifugal magnetic field area arranged on the periphery of the side wall of an inner cavity of the smelting chamber. The second magnetic field comprises axial magnetic field areas symmetrically arranged between the top of the inner cavity of the smelting chamber and the bottom of the inner cavity of the smelting chamber; the directional solidification module comprises a cooling part arranged at the bottom of the smelting container and a heating part arranged along the peripheral side of the top of the smelting chamber shell; according to the purification device and the purification method using the purification device, the removal rate of heavy impurities is preferably as high as 85% or above, the removal rate of light impurities is preferably as high as 75% or above, and continuous production of 6N high-purity aluminum is achieved.

The invention discloses a method for evaluating the mineralization potential of porphyry copper-(gold-molybdenum) ore. The evaluation method comprises the following steps: determining candidate rock masses with relatively high mineralization potential according to an oxygen fugacity value of magma zircon and / or a magma water content value of hornblende in a rock sample in an evaluation area; the aluminum saturation index ASI of the candidate rock mass is measured and calculated, the distribution coefficient and the distribution coefficient ratio of Cu, Au and Mo between fluid and melt are determined according to the ASI, simulation calculation is conducted through a Rayleigh fractionation model according to the distribution coefficient and / or the distribution coefficient ratio, and the content ratio of Au to Cu to Mo to Cu of the candidate ore body is obtained. According to the method, the mineralization potential of the porphyry copper ore and the enrichment degree and grade of Cu, Au and Mo of potential ore bodies can be rapidly and accurately evaluated.

The invention belongs to the technical field of desiliconized fly ash, and particularly relates to a high-alumina-silica-ratio material capable of replacing bauxite as well as a preparation method and application of the high-alumina-silica-ratio material. The preparation method comprises the following steps: S1, crushing coal gangue, and grinding the crushed coal gangue until the particle size is less than 40 meshes to obtain a ground material; s2, mixing the ground material and a catalyst according to a weight ratio of 100: (1-2), roasting, and cooling to obtain activated coal gangue; the catalyst comprises sodium carbonate, calcium oxide and aluminum oxide in a weight ratio of 1: (0.3-0.5): (1.4-1.6); s3, mixing a sodium hydroxide solution, the activated coal gangue and a surfactant, and reacting at 50-90 DEG C for 1-6 hours to obtain desiliconized slurry; and S4, filtering the desiliconized slurry, collecting a solid phase, washing with water, and drying to obtain desiliconized fly ash, namely the high alumina-silica ratio material capable of replacing bauxite. The method is high in desiliconization rate.

A steel sheet has a chemical composition including in wt % C: 0.2-0.4%, Mn: 0.8-2.0%, Si: 0.1-0.5%, Al: 0.01-0.1%, Ti: 0.01-0.1%, B: 0.0005-0.005%, P≤0.040%, Ca≤0.01%, S≤0.006%, N≤0.01%. The steel sheet includes from the bulk to the surface of the coated steel sheet a bulk and a skin layer occupying the outermost 10% of the thickness on either side of the bulk. The bulk includes an inclusion population in which the sum of clustering indexes of MnS and TiN / Ti(C,N) inclusions is less than or equal to 300 μm / mm2. This allows to manufacture hot pressed parts having a tensile strength equal to or greater than 1300 MPa and a bending anisotropy equal to or lower than 7°.

A method of adsorption includes contacting a nanocomposite with a solution including one or more pollutants. The nanocomposite is a graphite-phase carbon nitride copper oxide and magnesium aluminum oxide (g-C3N4@CuO / MgAl2O4) material and includes a graphite-phase carbon nitride (g-C3N4) in an amount of 5 to 15 percent by weight (wt. %), copper oxide in an amount of 3 to 7 wt. %, and magnesium aluminum oxide (MgAl2O4) in an amount of 80 to 90 wt. % based on a total weight of the g-C3N4@CuO / MgAl2O4 material. The method further includes adsorbing the one or more pollutants on the nanocomposite.

The invention provides a coating for casting an alloy steel lost foam as well as a preparation method and application of the coating. The coating comprises the following raw materials in parts by weight: 79-89 parts of aggregate, 3-7 parts of a binder, 4-7 parts of a suspending agent, 1.5-3 parts of a surfactant, 1.5-2.5 parts of a defoaming agent and 1-1.5 parts of a preservative, the aggregate is prepared from the following components in percentage by mass: 78 to 82 weight percent of bauxite, 12 to 15 weight percent of mica and 3 to 10 weight percent of quartz powder; the binder is prepared from the following components in percentage by mass: 42 to 50 weight percent of anhydrous aluminum dihydrogen phosphate, 18 to 25 weight percent of white carbon black, 12 to 17 weight percent of ethylene glycol and 8 to 28 weight percent of magnesium oxide; the coating for casting the alloy steel evanescent mode keeps good suspension property, high-temperature air permeability, coating property, high-temperature crack resistance and shedding property of the coating, the surface of a casting is smooth and free of burnt-on sand, less harmful gas is volatilized during firing, and harmful gas generated by burning of a white mold can be absorbed.

The invention relates to the technical field of quality detection, and provides an aluminum product quality multi-scale detection method and system, and the method achieves the comprehensive detection and analysis of the multi-scale features of an aluminum product from the surface to the interior through the construction of a closed-loop detection system from data acquisition, feature association to feedback adjustment. According to the method, the defect mode of the aluminum product can be accurately identified, the defect reason can be accurately positioned, and the process parameters are effectively adjusted based on the defect mode, so that the quality of the aluminum product is remarkably improved, the production efficiency is improved, the production cost is reduced, the market competitiveness of the product is enhanced, and an innovative and efficient solution is provided for quality control in the aluminum product production process.

This water electrolysis electrode comprises a substrate and a catalyst portion. The catalyst portion includes Raney nickel particles and metal particles that contain nickel as a main component. The metal particles are in contact with the Raney nickel particles and include aluminum. The ratio of the total number of moles of aluminum to the total number of moles of nickel in the Raney nickel particles is greater than the ratio of the total number of moles of aluminum to the total number of moles of nickel in the metal particles.

The invention belongs to the technical field of filling of an aluminum goaf under coal, and particularly relates to a bag type filling synergistic mineralization carbon dioxide sequestration method for mining a red mud-based filling material based on an aluminum strip under coal. Comprising the following steps that S1, filling bags are arranged; s2, grouting the aluminum layer bottom plate; s3, CO2 is conveyed; s4, red mud slurry is injected; s5, grouting between coal and aluminum layers; according to the method, through aluminum layer bottom plate grouting and coal aluminum interlayer grouting, Ordovician limestone water is effectively prevented from protruding out, harmful substances are effectively prevented from permeating underground water, meanwhile, a sealing cover layer for CO2 injection is also used, and the mineralization amount of CO2 is effectively increased. The main components of the red mud slurry are red mud, fly ash and crushed coal gangue, solid waste accumulation and environmental pollution are effectively reduced while the filling cost is remarkably reduced, recycling is achieved, the red mud is sealed in a flexible filling bag in a goaf, and if necessary, valuable elements in the red mud can be used for filling the goaf. And the tea leaves can also be extracted.

An adsorbent for removing organic sulfide, and a preparation method therefor and a use thereof, relating to the technical field of desulfurization adsorbents. The adsorbent for removing organic sulfide comprises a high-pore-volume core and a coating layer attached to the high-pore-volume core; the high-pore-volume core is obtained by mixing a nonionic surfactant, an alkali metal precursor and / or an alkaline-earth metal precursor, and an aluminum-containing compound and then carrying out forming and drying on same; and the coating layer is formed by an Ag and Ce co-modified high-silicon molecular sieve and a composition Al2(OH)nCl6-n (n=1-5). The adsorbent has the characteristics of high desulfurization efficiency, wide desulfurization range, high desulfurization precision, mild use conditions, long service life and the like, can achieve deep removal of organic sulfur under normal-temperature and normal-pressure conditions, can remove the organic sulfur in raw materials to 10 ppb or below, and is particularly suitable for desulfurization and purification of liquefied petroleum gas or natural gas.

The invention discloses a layered cobalt aluminum oxide / copper sulfide wave-absorbing material and a preparation method thereof, and belongs to the technical field of novel wave-absorbing materials, the wave-absorbing material is prepared through a two-step hydrothermal method, lamellar cobalt aluminum hydroxide is prepared through the hydrothermal method, then the lamellar cobalt aluminum oxide subjected to heat treatment is used as a substrate, and the lamellar cobalt aluminum oxide / copper sulfide wave-absorbing material is prepared through the two-step hydrothermal method. The preparation method comprises the following steps: growing nano flaky copper sulfide on the cobalt-aluminum oxide / copper sulfide composite material by adopting a hydrothermal method to form a layered cobalt-aluminum oxide / copper sulfide heterostructure, and adjusting the wave-absorbing property of the composite material by adjusting the content of the copper sulfide in the composite material. According to the layered cobalt aluminum oxide / copper sulfide wave-absorbing material and the preparation method thereof, the layered cobalt aluminum oxide / copper sulfide wave-absorbing material has the advantages that the density is relatively low, the effective absorption frequency band is relatively wide, the electromagnetic wave absorption performance is relatively high, the preparation method is simple, the morphology of the composite material can be regulated and controlled, and the like.

The invention discloses a heat-resistant aluminum rare earth alloy wire containing a two-phase nanostructure and a preparation method of the heat-resistant aluminum rare earth alloy wire, and belongs to the field of non-ferrous metal materials. According to the alloy, aluminum serves as a matrix, and the alloy further comprises, by mass, 0.005%-0.2% of Ce, 0.05%-0.25% of Er, 0.05%-0.25% of Yb, 0.1%-0.2% of Zr and 0.05%-0.2% of Fe. The alloy wire prepared by combining two-stage homogenization, hot extrusion and cold drawing processes contains an Al3 (RE, Zr) nano precipitated phase and a nanoscale Al13Fe4 dispersed phase, the inner layer of the Al3 (RE, Zr) nano precipitated phase is Al3RE, and the outer layer of the Al3 (RE, Zr) nano precipitated phase is Al3Zr; and the nanoscale Al13Fe4 dispersed phase is a nano precipitated phase formed by sequentially coating the outer layer of an Al13Fe4 phase with an Al3RE structure and an Al3Zr structure. The alloy provided by the invention has excellent strength, high-temperature service stability and conductivity.

The invention relates to the field of architectural ceramics, and discloses a curved marble tile and a hot bending process thereof.The curved marble tile comprises a green body layer, and the green body layer is prepared from, by mass, 64-69% of SiO2, 18-22% of Al2O3, 0.3-0.8% of Fe2O3, 0-1% of CaO, 0-1.2% of MgO, 3-4% of K2O, 2-4% of Na2O, 0-0.5% of TiO2 and 4-6% of L.O.I; 0.1-10% of aluminum dihydrogen phosphate is additionally added into the preparation raw materials of the green body layer. The aluminum dihydrogen phosphate is added into the raw materials of the green body layer, the proportion range of oxides in the raw materials for preparing the green body layer is regulated and controlled, the silicon content is properly reduced, the aluminum content is increased, and the contents of calcium, magnesium and potassium in the formula are increased, so that a relatively low firing environment temperature can be obtained; the green body adopted in the scheme does not crack in the hot bending and firing process.

The invention discloses a laser cutting device for aluminum veneer production, which relates to the technical field of metal cutting and comprises a rack, a first motor is fixedly connected to the rack, a screw rod is rotatably connected to the rack, the screw rod is fixedly connected with an output shaft of the first motor, a sliding frame is slidably connected to the rack, the sliding frame is in threaded connection with the screw rod, and a laser generator is fixedly connected to the sliding frame. A sleeve is fixedly connected to the laser generator, gas outlet pipes symmetrically distributed along the laser generator are fixedly connected into the sleeve, and an air outlet channel and a nitrogen outlet channel are formed in the sides, away from the middle, of the gas outlet pipes and the sides, close to the middle, of the gas outlet pipes respectively. According to the thermal load requirements of different areas in the aluminum veneer laser cutting process, differential configuration of cooling gas is achieved, the use amount of high-cost nitrogen is remarkably reduced, and therefore the overall production cost is reduced, the anti-oxidation advantage of the nitrogen is exerted, the cost benefit of air is fully utilized, efficient utilization of resources is achieved, and the economic benefit is increased. Meanwhile, the cooling effect is ensured.

The invention provides a Claus tail gas hydrogenation catalyst as well as a preparation method and application thereof, and belongs to the technical field of sulfur recovery, the Claus tail gas hydrogenation catalyst comprises an aluminum-titanium-silicon-based composite carrier and active components, the aluminum-titanium-silicon-based composite carrier comprises Al2O3, nano TiO2 and SiO2, the aluminum-titanium-silicon-based composite carrier further comprises an antioxidant, and the active components comprise an active component and an antioxidant. Preparing an aluminum-titanium-silicon-based composite carrier by adopting a mixing and kneading mode; wherein the active components comprise oxides of VIII group metals, oxides of VIB group metals and oxides of rare earth metals, the rare earth metals are mixed and kneaded in the form of oxides and added into the composite carrier, and cobalt and molybdenum are loaded on the carrier by a dipping method. The catalyst has the characteristics of high low-temperature activity and strong oxidation resistance, has the function of catalyzing CO conversion, is suitable for being widely applied to hydrogenation reactors of sulfur recovery devices in the industries of petroleum refining, coal chemical industry and the like, and is particularly suitable for treating acid gas with relatively high CO2 content.

The invention belongs to the field of nickel-based alloy materials, and discloses a precipitation hardening type nickel-based alloy welding wire and a preparation method thereof.The precipitation hardening type nickel-based alloy welding wire comprises, by mass, 50%-60% of nickel, 15%-20% of chromium, 15%-20% of iron, 2%-4% of molybdenum, 2%-5% of niobium, 0.01%-2% of tantalum, 0.2%-2% of aluminum, 0.5%-1.2% of titanium, 0.03%-0.08% of carbon, 0.1%-0.5% of manganese, 0.1%-0.5% of silicon, 0.01%-0.05% of magnesium, 0.01%-0.05% of yttrium, 0.5%-2% of tungsten, 0.1%-0.6% of cobalt, 0.001%-0.02% of boron and the balance impurities; according to the precipitation hardening type nickel-based alloy welding wire and the preparation method thereof, through component optimization and process innovation, the nickel-based alloy welding wire with high-temperature strength, excellent hot crack resistance and welding toughness is provided.

The invention relates to a co-treatment process for high-iron red mud and various carbon-containing solid wastes. The co-treatment process comprises the working procedures of raw material preparation, ball pressing, drying and pre-reduction, iron reduction, titanium-silicon reduction, tailing treatment and the like. According to the method, the problems of low iron grade and high impurity aluminum content of a red mud iron recovery process are solved, the comprehensive utilization problem of other solid wastes and the utilization problem of tailings after extraction are synchronously realized, and the purpose of treating wastes with wastes is realized.

The invention relates to the technical field of zinc alloy materials, in particular to a corrosion-resistant zinc alloy material and a preparation method thereof. The invention relates to a corrosion-resistant zinc alloy material which comprises the following components in percentage by mass: 8%-11% of aluminum, 0.25%-0.45% of copper, 0.1%-0.3% of nickel, 0.01%-0.02% of titanium, 0.01%-0.03% of cobalt, 0.01%-0.03% of lanthanum, 0.001%-0.002% of dysprosium, 0.003%-0.005% of manganese silicide and the balance of zinc. Through alloy components in a specific ratio and a fine preparation process, not only are original good casting performance and mechanical strength of the zinc alloy maintained, but also the corrosion resistance of the zinc alloy material is remarkably improved, the service life is prolonged, and the application range of the zinc alloy material is widened.

The invention relates to the technical field of metal materials, and discloses a light high-strength zinc alloy and a preparation method and application thereof.The zinc alloy takes aluminum and magnesium as main alloy elements, scandium-yttrium pre-alloying components, cerium-lanthanum composite rare earth and a nano TiB2 particle reinforced phase are introduced, and grain refinement and interface strengthening are achieved through the synergistic effect of multiple components; the preparation method comprises the key processes of pre-alloy smelting, dynamic magnetic field assisted die casting, gradient aging treatment and the like, and the defects of melt oxidation and solidification are effectively controlled. The zinc alloy has low density, high specific strength, corrosion resistance and excellent surface treatment adaptability, is suitable for manufacturing of precise metal fasteners such as belt buckles, belt buckles and shoe buckles, can remarkably improve the anti-fatigue performance and appearance quality of products, meanwhile, reduces processing energy consumption and material loss, and meets the market requirements of light-weight and high-end hardware fittings.

The utility model relates to the technical field of aluminum profile machining, and discloses a multifunctional milling device for aluminum profile machining, which comprises a front-back displacement component, a left-right displacement component is mounted at the top of the front side of the front-back displacement component, and an angle adjusting fixing plate component is mounted at the top of the left-right displacement component. A machining assembly is installed on the top of the angle adjusting fixing plate assembly. The angle adjusting and fixing plate assembly is installed on the device, so that when the device is used, the angle position of the corresponding machining plate can be adjusted according to different use requirements in the use period, materials are correspondingly fixed and clamped to the top of the plate body, and the machining efficiency is improved. And the situation that the materials fall off at will, and then the materials are damaged is avoided.

The invention discloses a graphite crucible silicon infiltration resistant coating based on a gradient boron nitride-silicon carbide composite structure and a preparation method thereof. The coating is composed of hexagonal boron nitride nanosheets, beta-type silicon carbide nanowires, yttrium aluminum garnet precursor sol and the like, and effective blocking of 1500-1600 DEG C silicon melt is achieved through gradient structural design and an in-situ self-repairing mechanism. The preparation process comprises the steps of h-BN activation, S C carbon layer deposition, slurry mixing and spraying and segmented heat treatment. The molten silicon contact angle of the coating reaches 158 + / -2 degrees at the temperature of 1550 DEG C, through cracks do not exist after 50 times of thermal shock circulation, the coating is effective after being continuously used for 48 batches under the industrial working condition, the problems of silicon infiltration interface adhesion and thermal shock failure of a traditional graphite crucible are solved, and the coating has remarkable industrial application value.

The invention relates to the technical field of phase-change energy storage materials, and particularly provides a phase-change energy storage plate and a preparation method thereof.The phase-change energy storage plate comprises a front aluminum plate, a honeycomb core layer made of aluminum materials and a back aluminum plate, the honeycomb core layer is formed by arranging a plurality of hexagonal columns in a matrix mode, each hexagonal column is filled with a phase-change material, and the phase-change material is arranged in the honeycomb core layer; the phase change material is selected from at least one of a graphite-based phase change material and a microcapsule phase change material, and the phase change material is selected from at least one of a graphite-based phase change material and a microcapsule phase change material. The phase change energy storage plate has high heat storage and release rate and thermal conductivity, has high bending strength and is convenient to popularize and apply.

Designed in the present disclosure are a high-strength aluminum-erbium alloy for additive manufacturing and a preparation method therefor. The alloy comprises: 4-20 wt% of erbium (Er); 2-10 wt% of magnesium (Mg); less than or equal to 1 wt% of manganese (Mn); optionally, 0-1 wt% of scandium (Sc); and optionally, 0-1 wt% of zirconium (Zr). In the present disclosure, in order to improve both the formability and the mechanical properties of the alloy, based on alloy composition design assisted by a phase diagram calculation method, an Al-Er eutectic system is selected to reduce a solidification interval and form a fine grain phase, and therefore the technical effects of structure refinement, no thermal cracks and good printing performance are achieved; and in particular, a continuous cellular FCC configuration Al3Er eutectic network structure with a plastic deformation capability is introduced, with a size in the order of hundreds of nanometers, and therefore both strengthening and toughening effects are achieved. The aluminum-erbium alloy has both good printing formability and comprehensive mechanical properties, and the preparation method therefor is proven, has low costs and high efficiency, and can be used for large-scale industrial production.