6313 results about "Hot press" patented technology

Ionomeric polymer sensors, actuators, and transducers and methods for fabricating them are disclosed. One embodiment of the sensors, actuators, and transducers possess a high surface area electrode layer that is applied by hot pressing and a highly conductive surface layer. Another embodiment of these sensors, actuators, and transducers possess a high surface area electrode layer that is penetrated by electronically conductive nanowires. Methods for fabricating these sensors, actuators, and transducers are disclosed. These methods involve the formation of the high surface area layer from a liquid mixture that contains ionomeric polymer, electronically conductive particles, and possibly diluent. This mixture is formed into layers either directly on an ionomeric polymer, on a separate transfer decal, or on an electronically conductive layer. This electronically conductive layer may also include an array of nanowires. These electrode layers are then attached to an ionomeric polymer membrane by hot pressing. The ionomeric polymer membrane may be swollen with a diluent either prior to the hot pressing or after the hot pressing step. Also, the ionomeric polymer membrane may be formed by casting from a liquid mixture containing ionomeric polymer and diluent.

The invention provides an electrostatic spinning nanofiber membrane as well as a preparation method thereof. The electrostatic spinning nanofiber membrane provided by the invention comprises a fiber membrane obtained by electrostatically spinning a high-melting-point polymer and a fiber membrane obtained by electrostatically spinning a low-melting-point polymer, wherein the difference on the melting points of the high-melting-point polymer and the low-melting-point polymer is not less than 10 DEG C. The electrostatic spinning nanofiber membrane provided by the invention is multipurpose and can be applied to the fields such as biomedicines, energy and chemical industry, gas and liquid filtration, waterproofness and windproofness, windproofness and heat insulation, moisture permeability and ventilation, environmental management and semiconductor sensors. According to the electrostatic spinning nanofiber membrane provided by the invention, electrostatic spinning is respectively carried out on the high-melting-point polymer and the low-melting-point polymer, and the high-melting-point polymer fiber membrane and the low-melting-point polymer fiber membrane obtained are composited and hot-pressed to obtain the electrostatic spinning nanofiber membrane. The preparation method provided by the invention is high in production efficiency and low in energy consumption, and is suitable for industrial production.

A method for preparing polybenzimidazole or polybenzimidazole blend membranes and fabricating gas diffusion electrodes and membrane-electrode assemblies is provided for a high temperature polymer electrolyte membrane fuel cell. Blend polymer electrolyte membranes based on PBI and various thermoplastc polymers for high temperature polymer electrolyte fuel cells have also been developed. Miscible blends are used for solution casting of polymer membranes (solid electrolytes). High conductivity and enhanced mechanical strength were obtained for the blend polymer solid electrolytes. With the thermally resistant polymer, e.g., polybenzimidazole or a mixture of polybenzimidazole and other thermoplastics as binder, the carbon-supported noble metal catalyst is tape-cast onto a hydrophobic supporting substrate. When doped with an acid mixture, electrodes are assembled with an acid doped solid electrolyte membrane by hot-press. The fuel cell can operate at temperatures up to at least 200° C. with hydrogen-rich fuel containing high ratios of carbon monoxide such as 3 vol % carbon monoxide or more, compared to the carbon monoxide tolerance of 10-20 ppm level for Nafion®-based polymer electrolyte fuel cells.

This invention relates to a preparation technology for producing special products with plastic substances characterizing in mixing an adhesive agent, strengthened fibers, a regulator for friction performance and inorganic fillers in good match to process the surfaces of them with an anti-high temperature coupler to be hot-pressed to a format to get a high performance car brake plate of environmental protection, which replaces that made of asbestos fiber and overcomes the shortcoming of declining at high temperature of the asbestos car brake plates.

A method of manufacturing a light-emitting device includes a hole forming process for forming a through-hole that continues from a front surface to a back surface of a mounting substrate, a pattern forming process for continuously forming a circuit pattern on an inner surface of the through-hole in the mounting substrate, from an end portion of the through-hole on the front surface of the mounting substrate to a mounting portion of a light-emitting element, and on a periphery of the through-hole on the back surface of the mounting substrate, a mounting process for mounting the light-emitting element on the mounting portion, and a hot pressing process in that an inorganic material softened by heating is placed on the surface of the mounting substrate and is advanced into the through-hole while sealing the light-emitting element by pressing and bonding the inorganic material to the surface of the mounting substrate.

The invention discloses a refractory high-entropy alloy/titanium carbide composite. A refractory high-entropy alloy serves as a matrix phase, and titanium carbide serves as a wild phase; and elements in the refractory high-entropy alloy are selected from at least four kinds of elements of W, Mo, Ta, Nb, V, Ti, Zr, Hf and Cr. A preparation method of the refractory high-entropy alloy/titanium carbide composite comprises the steps that at least four kinds of carbonization metal powder in tungsten carbide, molybdenum carbide, tantalum carbide, niobium carbide, vanadium carbide, the titanium carbide, hafnium carbide, zirconium carbide and chromium carbide are selected and mixed according to the equal molar ratio or the ratio close to the equal molar ratio to form high-entropy matrix powder; and after the high-entropy matrix powder and titanium powder are mixed, alloy mechanization is carried out, then spark plasma sintering or hot-press sintering is carried out, and the refractory high-entropy alloy/titanium carbide composite is obtained. The density and cost of the composite are reduced while the hardness of the composite is improved, excellent high-temperature performance is achieved, and the requirement for manufacturing a high-temperature structural component is met.

The invention provides a method for preparing a polymer superhydrophobic surface by using nano-particles for assisting micromolding. The method firstly uses a PDMS as a raw material for copying a micro-structure on the surface of a fresh lotus leaf to be used as a soft template, then casts or hot presses the modified nano particles and a polymer on the surface of the PDMS soft template and strips after molding, thereby obtaining the polymer superhydrophobic surface which contains a micro/nano second-order structure on the surface and has a certain function. The method has simple operation process, high efficiency and good controllability and repeatability; as the obtained surface contains the functional nano-particles, the method not only gives the superhydrophobic property to the polymer surface, but also gives a certain function to the superhydrophobic surface, thereby providing a simple and effective way for preparing the superhydrophobic surface and having wide application value and broad market prospect.

The invention relates to a preparation method for a silicon carbide ceramic tube or rod. An extrusion moulding method is adopted to form a blank body; a normal pressure sintering method is adopted for sintering; and submicron level silicon carbide powder and additives are taken as main raw materials. The preparation method comprises the following steps: 1) carrying out ball milling on the main raw materials by a dry method, adding water, a dispersant, a plasticizer, a lubricant and a liquid state binder, and then carrying out ball milling by a wet method; 2) adopting a spray granulation process to granulate silicon carbide slurry; 3) extruding the blank body by a one-shot direct extrusion moulding method after vacuum pug, corrosion, and vacuum pug; 4) drying the molded blank body by a stage drying mechanism; and 5) placing the blank body of the silicon carbide ceramic tube or rod in a vacuum furnace and carrying out sintering for two times by taking argon gas as protective gas. The high temperature resisting strength and the corrosion resistance of the silicon carbide ceramic tube or rod prepared by the method are both better than those of a reactive sintered product. Compared with a hot press sintering method, the method has lower limit on the product shape and size, and lower cost. The method is suitable for the industrialized production.

The invention relates to a method for recycling copper, nickel, chromium, zinc and iron from plating sludge, belonging to the technical field of chemical engineering and metallurgy. The method comprises the following steps: acid leaching, vulcanizing for separation and enrichment, hot-pressure leaching, extracting for separation, hot-press oxidizing chromium, purifying chromium solution, extracting ferric chloride and the like. The method has obvious advantages of strong adaptability to different kinds of plating sludge, high utilization of metal resources, high value-added content of product,less process waste residue, thorough deintoxication and the like.

The present invention discloses a hot-pressing carbonization strengthening method of timbers, which includes drying, planing, hot-pressing carbonization, cooling and other steps. The present invention applies a hot press as a timber-carbonizing device, and the timbers under the state of compression are processed by hot-pressing carbonization. The present invention is characterized in that the investment on carbonization devices is less, the carbonization process is simple, the production is safe, the production efficiency is high, the consumption of heat energy is little, and the production cost is low; moreover, the thickness of the carbonized timbers is not limited, the defects of the timbers, such as deformation, cracking, stiker stain, color difference, knot fall-off, etc., do not occur in the process of production, so the quality of products is high; not only is the size stability and noncorrodibility of the carbonized timbers improved, but also the density and mechanical property of the timbers is increased.

A cooling/heating pad of the present invention includes a pad portion, a water reservoir system and a heat exchanger, wherein the pad portion has the pad portion is a foldable, thin, double-layered bag and has a plurality of adhered regions formed by a hot-press or ultrasonic hot melting process to form the water channel between the adhered regions; the water reservoir system has a water reservoir and a water circulating pump, the water reservoir having a water inlet and a water outlet, the water inlet of the water reservoir connected to the water outlet of the water channel, and the water circulating pump moving the cooling water in the water reservoir from the water outlet of the water reservoir to the water inlet of the water channel; and the heat exchanger includes an electrical heating semiconductor chip, and a thermal conductor mounted on one side of the electrical heating semiconductor chip; wherein the thermal conductor directly contacts the cooling water in the water reservoir, or is mounted on a water path between the water outlet of the water reservoir to the water inlet of the water channel, so that the cooling water is capable of exchanging heat with the thermal conductor.

The invention discloses a thermoplastic resin-based carbon fiber composite and a preparation method thereof. The thermoplastic resin-based carbon fiber composite comprises the following components in percentage by volume: 50 to 70 percent of carbon fibers and 30 to 50 percent of thermoplastic resin. In the preparation method, according to rheological properties of the thermoplastic resin, the thermoplastic resin-based carbon fiber composite with good interface binding property is prepared by utilizing hot-roller hot-pressing continuous equipment and adjusting process conditions such as machining temperature, machining pressure, machining time and the like. Compared with the prior art, the thermoplastic resin-based carbon fiber composite has the advantages of simple structure, good interface binding property, high impact resistance and recycling property; and the preparation method can realize the uniform distribution of the carbon fibers and the thermoplastic resin and ensure the carbon fibers are immersed by the thermoplastic resin completely, so that the defect of the conventional method is overcome.

The invention discloses a bipolarity current collector and a preparation method, which belongs to the chemical energy storage battery technical field. The provided bipolarity current collector comprises aluminum foil, a non-aluminum conducting layer and a polymer barrier layer positioned between aluminum foil and non-aluminum conducting layer; the edges of the aluminum foil and the non-aluminum conducting layer are partially or wholly conductively contacted, the width of a conductive contact area of the edges are 0.1-1.5 centimeters. The bipolarity current collector can avoid the occurrence of internal short circuit and cathode oxidation of the current copper aluminum laminated foils under the condition that a hole is existed; composite insulation frames are hot-pressed on the bipolarity current collector, and can avoid the occurrence of short circuit of the marginal part of the composite current collector, and the security of high voltage battery can be increased.

The invention belongs to the technical field of steel rolling, and particularly relates to high-flexural-behavior hot-formed steel used for automobiles and a manufacturing method thereof. The steel comprises following trace elements by mass: 0.18-0.3% of C, not more than 0.3% of Si, 1-1.6% of Mn, not more than 0.015% of P, not more than 0.002% of S, 0.1-0.3% of Cr, 0.02-0.06% of Ti, 0.02-0.06% of Al, 0.0005-0.004% of B, not more than 0.004% of [N] and not more than 0.003% of [O]. The manufacturing method includes: heating a casting blank at a low temperature, performing controlled rolling in two stages, rapidly cooling, reeling up at a low temperature, preparing a steel coil by cold rolling and low-temperature critical annealing, shearing to prepare component tablets and performing hot press molding. By the manufacturing method, steel crystal grains are refined and ductility and toughness of the steel are enhanced, so that more energy is absorbed during deformation of the steel and automobile safety performance is enhanced.

The invention is the improvement on a longitudinal drainage plate for silt consolidation, filter cloth and a drainage plate core, which is characterized in that fibrous hot-pressed microporous filter cloth is planar filter cloth hot-rolled by a flat roller, the filter cloth is adhered to the surfaces of convex ribs of the drainage plate core through thermal thawing or a chemical way, the filter cloth adopts silk reeling and hot-press forming separation technology, and the drainage plate core is made of co-polypropylene, thereby overcoming the disadvantages of the prior art; and the aperture of the filter cloth can be adjusted according to treated silt, the drainage plate is difficult to block, the engineering on a soft foundation after the treatment cannot have the settlement after the construction and has smooth drainage and high drainage efficiency, and the plate core has long effective service life.

The invention relates to a solar battery back panel film and a production method thereof. The solar battery back panel film comprises a PET (Polyethylene Terephthalate) thin film substrate layer and at least one polyvinylidene fluoride film layer, wherein the polyvinylidene fluoride film layer and the PET thin film substrate layer are compounded through an adhesive layer. The solar battery back panel film also comprises an EVA (Ethylene Vinyl Acetate Copolymer) film layer, and the EVA film layer and the PET thin film substrate layer are compounded by adopting a composite laminating process. The preparation method of the solar battery back panel film comprises the following steps of: carrying out surface corona treatment on the PET thin film substrate layer and the polyvinylidene fluoride film layer; coating an adhesive layer on the PET thin film substrate layer; and carrying out hot-pressing compounding on the adhesive-coated surface of the PET thin film substrate layer and the polyvinylidene fluoride film layer and then solidifying. The preparation method of the solar battery back panel film is simple, and the product has excellent weather fastness, higher lamination peel strength, good barrier property and good electric breakdown resistance.

The invention discloses a circular diamond saw blade bit and a manufacturing method thereof. The circular diamond saw blade bit is made of diamond particles and matrix powder used for consolidation of the diamond particles. The matrix powder comprises, by mass percent, 40%-80% of Fe, 15%-30% of Cu, 0%-10% of Ni, 2%-8% of Sn, 0%-10% of Co, 0%-5% of Me and the balance inevitable impurities. Me is at least one of Mn, Ti, Si, Cr, P and Al. The manufacturing method comprises the steps of mixing raw materials, conducting cold-press molding and free sintering. The manufacturing method is simple and can effectively avoid the loss of a graphite mould and reduce manufacturing cost. Meanwhile, a volume production requirement can be met, and blade bits in complicated shapes can be produced; production efficiency is prolonged, and the service life of the tool is similar to that of a tool manufactured through a hot-press sintering method; the purpose that high-quality diamond cutting tools are produced under the condition of low cost can be achieved; and the circular diamond saw blade bit and a manufacturing method thereof are easy to popularize in an industrialized manner.

The invention discloses polyvinylidene fluoride/graphene composite and a preparation method thereof. The preparation method includes: reducing oxidation graphene by reductant, mixing the reduced graphene and polyvinylidene fluoride with N, N-dimethylacetamide solvent to be solution, drying and hot-pressing the solution to obtain the polyvinylidene fluoride/graphene composite. The prepared polyvinylidene fluoride/graphene composite has the following advantages that 1) dielectric constant of the polyvinylidene fluoride/graphene composite is high and can reach 7940 on the condition of 100Hz frequency and the weight percentage of the graphene is 0.02; and 2) flexibility is fine. Meanwhile, the preparation method has the advantages of simple operation and high stripping and dispersing degree of graphene and the like.

The invention discloses a method for enhancing an electrostatic spinning nanofiber membrane. The blending electrostatic spinning-hot rolling bonding net fixing technology which can effectively improve the strength of the electrostatic spinning nanofiber membrane is provided. The method for enhancing the electrostatic spinning nanofiber membrane is characterized in that interphase blending electrostatic spinning is conducted through multiple types of thermoplastic high polymers with the fusion point at least 20 DEG C lower than that of other components or low-fusion-point thermoplastic high polymers and non-thermoplastic high polymers, electrostatic spinning jet flows of the components are distributed frontwards and backwards in the moving direction of a receiving device, and fibers are distributed randomly in a staggered mode; after hot rolling is conducted on a blending electrostatic spinning fiber membrane, the blending electrostatic spinning fiber membrane is treated, the hot pressing temperature is slightly higher than the fusion starting temperature of the low-fusion-point thermoplastic high polymers, time ranges from 1min to 10min, the pressure ranges from 1MPa to 20MPa, after hot pressing is conducted, part of the low-fusion-point thermoplastic high polymers is fused, point adhesion is generated on the nanofiber intersection portions, and a hole is not blocked. The method for enhancing the electrostatic spinning nanofiber membrane has the advantages that the strength of the prepared enhanced electrostatic spinning nanofiber membrane is far higher than that of a common electrostatic spinning membrane and original good performance of the electrostatic spinning nanofiber membrane can be kept.

The invention provides a method for preparing a graphene wire and cable. The method comprises the following steps of: spraying or growing a graphene functional material with superior two-dimensional conduction characteristic on a substrate membrane material, and converting disordered graphene nanosheets into highly ordered two-dimensional graphene membranes through treatment of a hot pressing technology so as to prepare the graphene membrane material with the superior two-dimensional conduction characteristic; and then winding the two-dimensional graphene membrane material into the graphene wire with superior one-dimensional conduction characteristic through a winding technology. The graphene wire has the advantages of low resistance, high conduction density, superior conduction characteristic to that of metal conductors such as copper and silver, light weight, high temperature resistance and good chemical stability; and the graphene wires can be assembled and packaged to prepare a high-current graphene cable.

The invention provides a friction material composition for preparing a brake pad. The composition contains binding agent, reinforced materials, friction increase agent, lubricating agent and filler, wherein the binding agent contains the binary modified phenolic resin of cashew nut shell oil and chemigum. The invention also provides a friction material for preparing the brake pad. The friction material is obtained in such a way that the friction material composition carries out heat treatment after being molded by hot press, wherein the friction material composition is provided by the invention. The friction material composition for preparing the brake pad can obviously improve the stability of the friction coefficient of the friction material.

The invention provides a waterproof and moisture permeable membrane which sequentially comprises a nano-fiber hydrophilic layer and a nano-fiber hydrophobic layer. The nano-fiber hydrophilic layer is prepared from a hydrophilic polymer by electrostatic spinning; the nano-fiber hydrophobic layer is prepared from a hydrophobic polymer by electrostatic spinning. The waterproof and moisture permeable membrane provided by the invention has good moisture permeability and air permeability; an experiment result shows that the moisture permeability of the waterproof and moisture permeable membrane provided by the invention can reach 10,000g/m<2>24h, and the air permeability of the waterproof and moisture permeable membrane can reach 0.29mL/cm<2>s. The invention also provides a preparation method of the waterproof and moisture permeable membrane. According to the preparation method provided by the invention, the nano-fiber hydrophilic layer and the nano-fiber hydrophobic layer which are prepared by electrostatic spinning are subjected to hot-pressing compounding, so that the obtained waterproof and moisture permeable membrane has better performance and can be integrally formed without being adhered by an adhesive; the production process is simplified; the waterproof and moisture permeable membrane is easy for industrial production. The invention also provides a waterproof and moisture permeable fabric and a preparation method thereof.

The invention relates to a stone-plastic polyvinyl chloride (PVC) floor. A co-extruded composite stone-plastic PVC floor sequentially comprises an abrasion-resistant layer, a printed layer and a stone-plastic PVC co-extruded layer from top the bottom. The printed layer is hot-pressed on the stone-plastic PVC co-extruded layer. The abrasion-resistant layer is hot-pressed on the printed layer. The stone-plastic PVC co-extruded layer can be formed by co-extruding a stone-plastic layer and a PVC foam sound-absorption layer and can also be formed by co-extruding a PVC bottom material layer, a stone-plastic micro foam layer and a second PVC foam sound-absorption layer. According to the co-extruded composite stone-plastic PVC floor, the stone-plastic PVC co-extruded layer is produced through the co-extrusion technique, then the printed layer and the abrasion-resistant layer are attached through the hot pressing technique, and then the co-extruded composite stone-plastic PVC floor is formed; glue is not needed in the whole production process, so that the production cost is greatly reduced, the harm to the body health of workers is reduced, and the quantity of released volatile organic compounds (VOC) in the product using process is greatly reduced; and meanwhile, a good silencing effect is achieved.

A ceramic matrix composite (CMC) structure, and method of forming same, the structure having internal air flow channels and cooling holes created by the process of sewing or stitching a fugitive fiber or thread into plies of ceramic cloth, preferably prior to consolidation of the ceramic cloth with a CMC slurry, followed by heating to convert the slurry material to a hardened ceramic component part of a predetermined shape. Upon heating the infiltrated and consolidated ceramic cloth to about between 1100 and 2100 degrees Fahrenheit, such as by hot pressing the structure containing the fugitive fibers therein, the fugitive fibers disintegrate, leaving channels and cooling holes wherever the stitched fugitive fiber or thread was previously located. Thus, the channels and cooling holes flow between plies as well as across the surface of the top and bottom plies.

The invention provides powder metallurgy titanium alloy and a preparation method thereof. The powder metallurgy titanium alloy comprises the following components in percentage by mass: 2 to 7 percent of Al, 2 to 8 percent of Mo, 2 to 6 percent of V, 2 to 10 percent of Ag, 0.1 to 3.0 percent of LaB6 and the balance of titanium and inevitable impurities. The method comprises the following steps of: weighing titanium powder, aluminum powder, molybdenum powder, aluminum-vanadium intermediate alloy powder, silver powder and lanthanum hexaboride powder with certain particle size according to the mass percentage of the components; uniformly mixing the powder by a mixing method; preparing a green compact with a certain shape by a compression molding process; placing the green compact in a vacuum hot pressing sintering furnace to sinter; and cooling the green compact along with the furnace to obtain silver and titanium boride particle-containing powder metallurgy titanium alloy. The technological process is simple; the silver powder is added during the mixing of the materials to improve the molding property of the green compact; the lanthanum hexaboride powder is added to perform reaction in situ so as to generate titanium boride dispersion enhanced matrix alloy; the compactness of the sinter compact is further improved by hot pressing sintering; and thus the novel powder metallurgy titanium alloy with high compactness and high strength is obtained.

The invention relates to a grain boundary diffusion method for improving properties of sintered NdFeB magnets. The grain boundary diffusion method comprises the following steps of stacking sintered NdFeB magnets and diffusion alloy sheets together and placing in a hot-pressing furnace; vacuumizing the hot-pressing furnace until the vacuum degree reaches a set value, heating the hot-pressing furnace, and when the temperature of the hot-pressing furnace reaches a set value, beginning to exert a pressure and maintaining the pressure and putting the diffused sample into a high-vacuum furnace for annealing, wherein the diffusion alloy sheets are low-melting-point eutectic diffusion alloys and are represented by R-TM, R is one or more of Sc, Y, La, Ce, Pr or Nd and TM is one or more of Ti, V, Cr, Mn, Fe, Co, Ni, Cu and Zn. Compared with the prior art, the sintered NdFeB magnets modified by the pressure diffusion method, which is provided by the invention, have the advantages of large diffusion depth of a diffusion agent, uniform distribution of grain boundary phases, high coercivity and the like, especially, low-melting-point diffusion alloys designed by the invention are free of expensive heavy rare earth element dysprosium and thus the cost of the raw materials is relatively low, the diffusion temperature is low and the energy consumption in the diffusion process is small.

The invention relates to a feedstock material for use in making heat spreaders, comprising a sheet of annealed pyrolytic graphite having a thermal conductivity of greater than 1000 watts/m-K, a size in any dimension of at least 5 cm and a thickness of at least 0.2 mm. In one embodiment, the feedstock is made by hot-pressing a stack of alternate layers of pyrolytic graphite sheets with flat graphite dies for a finished sheet of annealed pyrolytic graphite comprising a plurality of layers being parallel to each other of at least 0.075 degrees per mm of thickness. In another embodiment, the finished sheet of annealed pyrolytic graphite is made by graphitizing a stack of films comprising a high-carbon polymer.

The invention discloses an overlapped coating composite lithium battery diaphragm and a preparation method of the overlapped coating composite lithium battery diaphragm. According to the overlapped coating composite lithium battery diaphragm, the upper surface and the lower surface of a graft PE microporous membrane layer are provided with a graft PTFE microporous membrane layer and a ceramic coating in a compounded mode respectively and sequentially, the thickness of the ceramic coating is 0.001-7 micrometers, the thickness of the graft PTFE microporous membrane layer is 1-10 micrometers, and the thickness of the graft PE microporous membrane layer is 5-25 micrometers. The preparation method of the overlapped coating composite lithium battery diaphragm comprises the following steps that the graft PTFE microporous membrane layers are overlapped on the upper surface and the lower surface of the graft PE microporous membrane layer respectively, then the graft PTFE microporous membrane layers and the graft PE microporous membrane layer are compounded together in a hot pressing mode to obtain an initial diaphragm, the hot pressing temperature is 100-350 DEG C, the pressure is 0.3-6 kg, and the linear velocity is 0.5-50 m/min; after the initial diaphragm is dipped into ceramic suspension liquid, the overlapped coating composite lithium battery diaphragm is obtained through drying and solidification; the obtained diaphragm is high in puncture-resistant strength, high in porosity and good in high-temperature turn-off performance.

The invention discloses a die forging method of a high-temperature alloy; the method comprises the following steps: a) die forging stock is in thermal insulation and heat preservation, and clad with thermal insulation cotton; b) heating of the die forging stock: the die forging stock clad with the thermal insulation cotton is heated in a heating furnace and preserved at a temperature, the heating temperature is 900-1200 DEG C, and the heat preservation time is not less than 30 minutes; c) heating of a die: the die is put into a press, and heated to the working temperature of 600-650 DEG C in the heating furnace of the press; d) die forging: the die forging stock is taken out of the heating furnace and sent to an oil press or a hydraulic press for die forging, the amount of deformation is 40-80%, and the die forging speed is 1-5mm/s. The die forging method of the invention solves the problem of slow heating-up of the die forging stock in the heating furnace resulting from the existing 'compound jacketing' mode, improves the heat preservation effect of workpiece, and lower the cost for the application of heat insulating materials; the die forging method adopts a lower die temperature, which sufficiently eliminates the problems of short service life of the hot press forging die and great production difficulty, and facilitates producing the alloy forged pieces conforming to finecrystalline requirements.

The invention provides a simulation experiment device and a simulation experiment method for hot-press hydrocarbon generation and discharge based on the basin evolution history, and belongs to the technical field of petroleum and gas geochemical experiment study. The experiment device comprises a hydrocarbon generation system and a discharged hydrocarbon collecting system which are connected through a multi-channel combined valve (139). The method comprises the steps of dividing different stages of basin evolution according to the construction evolution history of an actual geologic basin, automatically regulating the communicated state of the hydrocarbon generation system and a hydrocarbon discharge device, and simulating the hydrocarbon generation and discharge processes under a basin dynamic evolution condition. According to the invention, the hydrocarbon source rock hydrocarbon generation and discharge simulation experiment approximate to the construction evolution history of the basin containing petroleum and gas is achieved by combining with the construction evolution history of the basin and considering influences of paleo-fluid pressure fields of hydrocarbon source rock and reservoir rock to the generation and discharge of petroleum and gas, which are caused by basin evolution.