30results about How to "Reduce brittleness" patented technology

The invention discloses a microalloyed high-toughness martensitic stainless steel cutter head as well as a preparation method and a preparation mold thereof. Stainless steel comprises the following components in percentage by weight: 0.3%-0.7% of C, 0.3%-1.0% of Si, 0.5%-1.5% of Mn, 16%-18.5% of Cr, 1%-2% of Ni, 0.3%-0.8% of Mo, 0.1%-0.35% of V, 0.1%-0.25% of Nb, less than or equal to 0.02% of S, less than or equal to 0.02% of P and the balance of Fe. Firstly, raw materials are smelted into molten iron; then adding a deoxidizing agent and precoated sand into the molten iron for molding, and performing sand mold casting and pouring to obtain a cutterhead blank; carrying out heat treatment on the cutter head blank; and finally, shot blasting and polishing are conducted on the cutterhead subjected to heat treatment. The martensitic stainless steel cutterhead has a metallographic structure which takes a martensitic structure as a main structure, takes austenite as an auxiliary structure and dispersedly distributes CrC, VC and NbC particles, the hardness of the martensitic stainless steel cutterhead is 40-45 HRC, the impact toughness of the martensitic stainless steel cutterhead reaches 92-95 J / cm < 2 >, the abrasion resistance of the cutterhead is longer, the service life of the cutterhead is longer, and the abrasion loss of the martensitic stainless steel cutterhead is reduced by 70% compared with a cutterhead without alloy elements.

This invention discloses a high-performance vitrified microsphere composite polystyrene particle insulation board and its preparation method, comprising the following steps: premixing hydrophobic vitrified microspheres and expandable polystyrene particles coated with expanded graphite at a mass ratio of (2.5~4):1 to obtain composite lightweight aggregate. The insulation board prepared by this invention, with a dry density of only 184-193 kg / m³, exhibits a compressive strength as high as 0.275-0.302 MPa, significantly superior to traditional inorganic insulation boards (0.15-0.25 MPa) and organic insulation boards (0.10-0.15 MPa); its thermal conductivity is as low as 0.034-0.041 W / (m·K), and its insulation efficiency is more than 40% higher than that of traditional inorganic materials, while also possessing Class A fire safety performance; furthermore, the process is simple and controllable, with an industrial solid waste utilization rate of up to 70%, demonstrating significant economic benefits and environmental value, and possessing broad prospects for widespread application.

This invention relates to a nutritional composition for promoting bone development and its applications. The invention provides applications of the nutritional composition or preparations comprising said nutritional composition, including: (1) preparing food products; (2) preparing health products for promoting bone development, increasing height, and / or improving bone density; (3) preparing drugs or drug compositions for promoting bone development, increasing height, increasing bone density, treating or preventing osteoporosis, and / or treating or preventing skeletal dysplasia; and (4) promoting bone development, increasing height, and / or improving bone density for non-therapeutic purposes; wherein said nutritional composition comprises medium- and long-chain triglycerides (MLCT) and 1,3-diunsaturated fatty acid-2-palmitoyltriglycerides (UPU).

The invention belongs to the technical field of adhesives, and particularly relates to an adhesive material, a preparation method thereof and application of the adhesive material in silica gel glass. The preparation method of the binding material comprises the following steps: (1) reacting a diamino siloxane monomer, an amido-containing diamine monomer, other diamine monomers and a dianhydride monomer by adopting a step-by-step polymerization process to prepare polyamide acid; (2) carrying out chemical imidization reaction on the polyamide acid, and precipitating to obtain polyimide powder; and (3) mixing the polyimide powder, epoxy resin and a curing agent to obtain the binding material. According to the invention, diamine monomers such as a diamino siloxane monomer and an amido-containing diamine monomer are adopted as raw materials, polyimide is prepared through a step-by-step polymerization process, and introduction of a siloxane chain segment and an amido bond not only improves the solubility of polyimide, but also improves the compatibility and interface energy of polyimide and epoxy resin; and the bonding strength of the bonding material is improved.

The invention relates to the technical field of fabrics, in particular to an aerogel chemical fiber cotton fabric production process which comprises the following steps: (1) washing and drying a chemical fiber cotton fabric, and then performing normal-pressure dielectric barrier discharge plasma modification treatment to obtain a modified chemical fiber cotton fabric; (2) adding water into the nano silicon dioxide aerogel powder, stirring and performing ultrasonic treatment while adding water to obtain a nano silicon dioxide aerogel aqueous solution, and continuously adding waterborne polyurethane glue and a coupling agent while stirring and performing ultrasonic treatment to obtain nano silicon dioxide aerogel finishing glue; (3) immersing the modified chemical fiber cotton fabric into the nano silicon dioxide aerogel finishing glue, and rolling and drying to obtain the aerogel chemical fiber cotton fabric. A layer of aerogel covering body is formed on the fiber surface of the chemical fiber cotton fabric, so that the chemical fiber cotton fabric with multiple effects of heat preservation, flame retardance and hydrophobicity is obtained.

This invention discloses a TIG welding method based on alternating magnetic field assistance and nickel-based alloy welding wire, belonging to the field of metal welding technology. In the nickel-based alloy welding wire of this invention, the mass ratio of La to Zr is (2~3):1. It is prepared into a nickel-based alloy welding wire for welding nickel-based alloys. During the welding process, an alternating magnetic field is applied to effectively control the microstructure during the welding process, avoid the formation of continuous network films of carbides at the grain boundaries, thereby reducing grain boundary brittleness and significantly improving the mechanical properties and crack resistance of the welded joint. It is suitable for welding and manufacturing high-temperature components for aerospace and ultra-supercritical power plant boilers.

This invention relates to a biodegradable anti-stick film and its preparation method. The biodegradable anti-stick film comprises a top layer, a middle layer, and a bottom layer arranged sequentially. The top layer comprises polyadipate, polylactic acid, polybutylene butyrate, a compatibilizer, a chain extender, and a dual-antibiotic masterbatch. The middle layer comprises polyadipate, polyglycolic acid, polybutylene butyrate, a compatibilizer, a chain extender, and a dual-antibiotic masterbatch. The bottom layer comprises polyadipate, polylactic acid, polybutylene butyrate, a compatibilizer, a chain extender, and a dual-antibiotic masterbatch. Its advantages lie in the following: adding a compatibilizer to each layer improves the compatibility of the raw materials, thereby reducing the brittleness of the biodegradable anti-stick film; adding PBAT-carrier dual-antibiotic masterbatch to each layer controls the degradation rate of the biodegradable anti-stick film; adjusting the blending ratio of each layer component improves the mechanical properties, processing flowability, and biodegradability of the biodegradable anti-stick film; and coating the top layer with a UV-curable release coating ensures the application requirements of the biodegradable anti-stick film.

The application provides an acid core wire and a preparation method and application thereof, and particularly relates to the technical field of welding materials. The core wire comprises a steel belt sheath and a core filled in the steel belt sheath. The core comprises the following components in percentage of mass: 35-50% of rutile, 2.5-5% of zircon sand, 2.5-5% of potassium feldspar, 1.5-3% of potassium fluozirconate, 1.5-3% of quartz, 15-20% of metallic manganese, 3-5% of ferrosilicon, 15-20% of nickel powder, 1-2% of cobalt powder, 1-2% of molybdenum powder, 1-2% of aluminum-zirconium alloy, 1.5-3.5% of magnesium powder, 1-2% of perovskite, and the rest is atomized iron powder. The acid core wire has good welding process, good arc stability, less spatter, good appearance of weld formation, good deslagging property, high deposition rate and deposition rate, and the weld has the characteristics of high strength, high low-temperature impact toughness and corrosion resistance, and can meet the use requirement of high-strength Q690 rack steel.

The application discloses a kind of high fire endurance closed-cell foam ceramic material and its preparation method, and the weight percentage of the ceramic material raw material formula is as follows: white ceramic tailings 20-40%, tea crystal stone 15-30%, burned soil 5-15%, high-alumina sand 5-10%, desert sand 15-25%, light-burned magnesium 5-15%, plus foaming agent 0.1-3%.According to the weight percentage of the ceramic material raw material formula, normal foam ceramic A material, high-density foam ceramic B material or low-density foam ceramic C material is configured respectively, and the closed-cell foam ceramic material is obtained by ball milling, spray granulation, mixing and loading box sintering.The technical scheme of the application not only has simple process, low cost and superior performance, but also improves the fire endurance of the material, meets the use requirements of wall materials, widens the application field of closed-cell foam ceramic, and has broad market prospect.

The present invention relates to a bearing module, a tray, and a test handler wherein the bearing module comprises: a bearing main body having a receiving groove for receiving an electronic component; the bottom plate part is combined with the bearing main body, and the bottom plate part comprises a bottom plate component used for supporting the bottom surface of the electronic component accommodated in the accommodating groove; and a plurality of electrical connection holes penetrating through the bottom plate part, and the bottom plate part is made of glass.

The invention relates to the technical field of medical equipment, in particular to a full-automatic waste medical needle treatment device which comprises a treatment body, a fixing assembly used for clamping an injector is arranged at the top of the treatment body, a lifting sliding table ascending and descending in the vertical direction is arranged in the treatment body, and a hot pressing assembly and a needle winding assembly are integrated on the lifting sliding table; the hot pressing assembly is used for heating, softening and flattening a needle head, the needle winding assembly is used for winding the flattened needle head into a cluster, and a disinfection part and a stripping part are arranged on the needle winding assembly; the device further comprises a control device which is used for driving the lifting sliding table to ascend and descend and coordinating the heating flattening action of the hot-pressing assembly, the winding action of the winding needle assembly, the disinfection action of the synchronous disinfection part and the separation action of the stripping part. A clamping fixing and lifting integrated hot pressing and winding structure is adopted, and the processes of heating softening, flattening shaping, winding clustering, disinfection and stripping are combined, so that non-contact treatment of waste needles, effective killing of pathogenic microorganisms and collection of medical waste are achieved.

The invention discloses a modified current collector and a preparation method and device thereof, a pole piece and a solid-state battery, the modified current collector comprises a base material layer, the base material layer comprises a metal foil and a protective layer located on at least one side of the base material layer, the protective layer comprises at least one protective unit, and the protective unit comprises a first layer and a second layer which are stacked in the direction away from the base material layer, the first layer includes TiN and the second layer includes stainless steel. And the TiN and the stainless steel are combined to form the protective layer or the protective unit, so that the modified current collector has excellent corrosion resistance and excellent conductivity and mechanical properties.

This invention discloses a lithium-ion battery negative electrode slurry and its preparation method. The dry matter of the slurry is composed of the following components by mass percentage: 0.5%–2% conductive agent, 1.7%–2.2% binder, 0.5%–2% thickener, with the balance being negative electrode active material. The conductive agent is conductive carbon black, the thickener is sodium carboxymethyl cellulose, and the binder is a mixture of polyacrylic acid binder and styrene-butadiene rubber binder. The lithium-ion battery negative electrode slurry provided by this invention employs a polyacrylic acid and styrene-butadiene rubber composite binder system, which leverages the high bonding strength and low impedance advantages of PAA while imparting good flexibility to the electrode sheet through SBR, significantly reducing the brittleness and material shedding risk of the electrode sheet. Simultaneously, the slurry does not exhibit a blue discoloration phenomenon, demonstrates excellent stability, and the coated negative electrode sheet has high peel strength and low electrode resistance, effectively suppressing electrode sheet expansion and roller sticking problems, thereby improving the rate performance, low-temperature discharge performance, and cycle life of the lithium-ion battery.

This invention discloses a universal joint and its surface hardening process, belonging to the technical field of oil and gas exploration, development, and drilling equipment. The surface hardening process of the universal joint of this invention includes the following steps: toughening and tempering treatment of the universal joint substrate; and ion nitriding and catalytic permeation treatment of the universal joint after the tempering treatment. The universal joint prepared by this invention effectively solves the surface hardening defects of screw drill bits currently on the market, greatly improving the stable service life of screw drill bit universal joints, meeting the usage requirements of high-corrosion, high-temperature, high-pressure, and complex well conditions in deep and ultra-deep oil and gas drilling, significantly improving the overall service life of screw drill bits, increasing drilling efficiency, and enhancing drilling production safety.

The invention discloses an imrecoxib solid preparation and a preparation method thereof, and belongs to the technical field of pharmaceutical preparations, the solid preparation comprises the following components by mass: 15-25% of imrecoxib, 10-40% of pea maltodextrin, 10-40% of Soluplus, 1-3% of poloxamer, 10-30% of a filler, 10-20% of a disintegrating agent, 0.8-1.2% of a flow aid and 0.8-1.2% of a lubricant. Through synergistic interaction of triple carriers, Soluplus inhibits drug crystallization by means of hydrogen bonds and promotes dispersion; the poloxamer reduces the surface tension and improves the dispersity and the dissolution rate; the pea maltodextrin plays an anti-oxidation role, improves the sphericity, fluidity and stability of the particles, and is low in cost. Aiming at the difficulties that imrecoxib is low in solubility, easy to oxidize and the like, medicine dissolution is remarkably improved, related substances are more stable, and both process robustness and cost control are considered.

A process for carbonitriding high-carbon chromium bearing steel to achieve high hardness and low residual austenite content is disclosed, comprising the following steps: S1, pre-cleaning to ensure the surface of the high-carbon chromium bearing steel is clean and free of oil; S2, pre-oxidation to ensure the surface of the high-carbon chromium bearing steel is free of water stains; S3, carbonitriding to improve the surface hardness and wear resistance of the high-carbon chromium bearing steel; S4, post-cleaning to ensure the surface of the high-carbon chromium bearing steel is clean and free of oil; S5, cold treatment to retain low residual austenite inside the high-carbon chromium bearing steel; S6, tempering to achieve high hardness of the high-carbon chromium bearing steel. The beneficial effects of this invention are: this process organically combines pre-oxidation, carbonitriding, cold treatment, and tempering to form a high-hardness, high-wear-resistant carbonitrided layer on the surface of the bearing steel, and the cold treatment effectively controls the residual austenite content, suppressing dimensional changes due to aging.

The invention relates to the technical field of hygienic products, and discloses a pet mat capable of rapidly absorbing water and preventing leakage and a preparation method thereof. Comprising the following operation steps: step 1: (1) uniformly mixing water-absorbent resin, diatomite and wood pulp, and carrying out compression molding to obtain a water-absorbent layer; (2) carrying out melt extrusion granulation, melt spinning, airflow traction, lapping and hot rolling bonding reinforcement on polycaprolactone, a compatilizer and the modified poly (3-hydroxybutyrate) to obtain a modified polycaprolactone non-woven fabric; step 2, sequentially superposing the modified polycaprolactone non-woven fabric, the water absorption layer and the leakage-proof layer, and performing hot-pressing fixation and ultrasonic edge pressing to obtain the pet pad. According to the scheme, deacetylated chitosan and glycerol are crosslinked through citric acid by virtue of the water absorption layer, and meanwhile, collapse after swelling is prevented by virtue of introduction of a polyethylene glycol-poly (butylene succinate) chain segment, so that liquid backflow is avoided; the surface layer is made of the modified polycaprolactone non-woven fabric, liquid can be rapidly guided to infiltrate into the water absorption layer, and the back-seepage amount is reduced.

The invention relates to a process method for reducing heat treatment deformation of slender shaft type spring steel parts, which comprises the following steps of: after quenching and before main tempering for determining the final mechanical property of the parts, at least carrying out a pre-straightening process once, and carrying out main straightening and low-temperature tempering after the main tempering; the pre-straightening process comprises the following steps: pre-tempering the part at the temperature lower than the main tempering temperature, and then pre-straightening; wherein the target value of the pre-straightening straightness is greater than the target value of the main straightening straightness. Deformation of slender shaft spring steel parts is effectively reduced, and the straightness requirement is met.

A method for laser welding of titanium / aluminum using coaxial airflow and pre-placed powder-assisted welding comprises the following steps: S1, machining a powder-filling groove on the surface of the aluminum alloy workpiece to be welded; S2, grinding and cleaning the surfaces of the titanium alloy workpiece to be welded and the machined aluminum alloy workpiece; S3, filling the powder-filling groove with pre-prepared metal powder, wherein the pre-prepared metal powder is pure Zr powder, pure V powder, or pure Nb powder; S4, lapping the aluminum alloy workpiece and titanium alloy workpiece to be welded with the titanium alloy workpiece on top and the aluminum alloy workpiece on the bottom to form a lap joint assembly, fixing it on a welding fixture, and covering it with a gas protective cover; S5, welding the assembly using a oscillating laser, during which protective gas is introduced through the gas pipe of the gas protective cover, and a pulsed coaxial protective gas flow is delivered to the welding position in real time through a coaxial gas delivery device. This invention solves the problem of difficulty in controlling the thickness of the brittle intermetallic compound layer during titanium-aluminum dissimilar metal welding.

The application relates to the technical field of high polymer materials, and discloses a high-strength weather-resistant polyethylene plastic for plastic pallets and a preparation method thereof. The preparation steps are as follows: taking modified titanium dioxide with lignin, modifying the same with vinyl silane to obtain modified titanium dioxide with double bonds; taking ethylene octene copolymer and maleic anhydride modified ethylene octene copolymer, mixing the same uniformly in n-heptane, heating, keeping stirring, adding the modified titanium dioxide with double bonds in a condensation reflux state, stirring, and reducing to room temperature to obtain a suspension; dropping the suspension into hot water, cooling to room temperature, filtering, washing the obtained solid, and drying to obtain composite modified silicon dioxide; mixing polyethylene, PA6, ethylene octene copolymer, the composite modified silicon dioxide and modified mica, adding the mixture into a double-screw extruder, extruding, granulating, injection molding to obtain the polyethylene plastic, and the prepared polyethylene plastic has excellent strength and toughness and excellent weather resistance.

The invention provides full-phosphogypsum-based concrete and a composition and mix proportion design method thereof. The method comprises the following steps: S10, determining material composition: adopting sulphoaluminate cement fired by phosphogypsum as a sole cementing material, directly adopting phosphogypsum particles as aggregate, and directly adopting undisturbed phosphogypsum as a retarder; and S20, performing mix proportion design based on the composition materials, including S21, grading optimization design for specific aggregate: performing grading optimization design on phosphogypsum particles by adopting a corrected Andriasen model based on a close packing theory to obtain a close aggregate packing state, and S22, performing grading optimization design on the phosphogypsum particles by adopting a modified Andriasen model based on the close packing theory to obtain the close aggregate packing state. And S22, slurry-to-bone ratio design based on the compact aggregate accumulation state: based on an excess slurry theory, calculating the total slurry volume percentage according to the real void percentage of the phosphogypsum particles and the additional slurry volume percentage required for aggregate separation, and finally determining the slurry-to-bone ratio. The technical problems of existing concrete in the aspects of cementing materials, aggregates, retarders and performance optimization are solved.

The invention discloses a secondary battery, electric equipment and a polyacrylic acid binder, and belongs to the technical field of secondary batteries. By adopting the polyacrylic acid binder containing the flexible group as the binder, the negative electrode active material in the negative electrode active material layer can be linearly coated, so that the binding power among particles of the negative electrode active material is effectively increased, and the effect of improving the expansion of the negative electrode plate is further achieved. Meanwhile, the polyacrylic acid binder has better flexibility due to the flexible group, so that the slurry in the preparation process of the negative electrode active material layer has better flexibility, the brittleness of the prepared negative electrode active material layer can be reduced, and the powder falling severity of the negative electrode active material layer is further reduced.

The application relates to a torsion beam steel and a preparation method thereof, and the chemical components of the torsion beam steel include the following contents: the content of C is 0.05-0.08%, the content of Si is <=0.15%, the content of Mn is 1.2-1.7%, the content of P is <=0.015%, the content of S is <=0.003%, the content of Nb is 0.01-0.05%, the content of Ti is 0.03-0.08%, the content of Cr is 0.1%-0.4%, the content of Mo is 0.1-0.25%, the content of V is 0.01-0.04%, and the content of Ca is 0.0005-0.005%; and the following conditions are met: [Ti] / [Mo] <=0.6, and [Cr]+[Mo] = 0.2-0.5%; the microstructure of the torsion beam steel includes ferrite and bainite. The torsion beam steel has the advantages that the tensile strength is >=650 MPa, the hole expansion rate lambda is >=85%, and the elongation A80 is >=24%.

The application discloses a kind of nano ceramic superhard powder coating and preparation method thereof, belong to powder coating preparation technical field.The nano ceramic superhard powder coating described in the application is composed of the following components by weight: 10-20 parts of aluminum oxide, 4-12 parts of zirconium oxide, 5-14 parts of silicon carbide, 2-8 parts of titanium dioxide, 3-7 parts of composite organic auxiliary agent, 53-65 parts of composite resin, 0.5-1.3 parts of dispersing agent, 1-2 parts of anhydrous ethanol, 1-4 parts of leveling agent and 0.4-2.4 parts of coupling agent.The coating prepared by the above method has excellent hardness, chemical corrosion resistance, wear resistance and easy cleaning performance.

The application discloses a CERF compressible material and a preparation method and application thereof, and comprises the following raw materials in parts by weight: modified polypropylene foam particles 8-12 parts, cement 319-531 parts, water 124-191 parts, medium sand 425-766 parts, rubber powder 60-90 parts, polymer fiber material 2.58-15.48 parts, and water reducing agent 3.19-5.31 parts; the modified polypropylene foam particles are polypropylene foam particles coated with a cement shell layer; the compatibility of the polypropylene foam particles in the concrete is improved by adding the modified polypropylene foam particles coated with the cement shell layer, so that the toughness and ductility of the concrete are significantly improved, the compressibility of the concrete is ensured, and the brittleness of the concrete is reduced; the toughness and ductility of the concrete are further improved through the synergistic effect of the added polymer fiber material and rubber powder and the modified polypropylene foam particles, so that the CERF concrete has more excellent compressibility and is more suitable for large-scale production and application.

A zirconium hydride-based moderation shielding material containing gadolinium oxide / samarium oxide / europium oxide, its preparation method, and its application belong to the field of radiation shielding technology. It solves the problems of hydrogen loss, cracking, and poor thermal stability inherent in existing zirconium hydride materials. The material of this invention has a density of 5.58–5.71 g / cm³. 3 The hydrogen content is 1.6wt%~1.83wt%. The mass proportions of each substance in the total amount of ZrH2, Gd2O3, Sm2O3 and Eu2O3 are: 99%≤ZrH2<100%, 0%≤Gd2O3≤1%, 0%≤Sm2O3≤1%, 0%≤Eu2O3≤1%, 0%<Gd2O3+Sm2O3+Eu2O3≤1%. The hydrogen release initiation temperature is ≥557℃. Utilizing multi-element synergistic absorption, the shielding efficiency for 1MeV fast neutrons is ≥97.5%, and the thermal neutron proportion is reduced by ≥80%. It is suitable for small nuclear power reactors below 600℃.

This invention discloses a microencapsulated phase change composite polymer concrete, its preparation method, and its application. The raw materials include the following parts by weight: 160-165 parts slag, 240-260 parts fly ash, 160-165 parts alkali activator, 56-65 parts water, 160-165 parts dry sand, 860-865 parts coarse aggregate, and 0.1-20 parts microencapsulated phase change material. The microencapsulated phase change composite polymer concrete prepared in this application not only reduces the environmental impact of cement production but also maximizes the heat storage characteristics of the microencapsulated phase change material and improves its compressive strength. It overcomes the technical bottleneck of low mechanical properties in microencapsulated phase change cement-based concrete. Its preparation process is simple and easy to operate, has good application prospects, and can be applied to building materials.

The utility model discloses a cutting device for plastic film production relates to the field of plastic film production, include: support frame, cutting knife, the cutting knife telescopic connection in support frame inside top, the receiving plate is set up in the cutting knife below, is used for receiving plastic film, wherein, the side of cutting knife is provided with first cylinder and second cylinder and rotates up and down, the plastic film is passed between first cylinder and second cylinder, a plurality of extension holes are opened to first cylinder outside, and a plurality of extension holes are all provided with thorn and are telescopic in the inside, in the practical operation of the utility model, when electric push rod drives thorn and extends first cylinder, can stab into the plastic film surface, and the distribution of need cutting is pre -bore, when bore is completed, using cutting knife to bore position again carries out cutting, can further improve the accuracy and efficiency of cutting, reduce the phenomenon that plastic film cutting produces sticky constantly.

This invention belongs to the field of panel shaping technology and provides a shaping and processing device for air conditioner display panels. The invention includes: a placement base for placing the air conditioner display panel to be shaped; a shaping mechanism including an upper mold base and abutting and lifting foot shaping module, the upper mold base being disposed above the placement base and capable of abutting against the placement base; two abutting and lifting foot shaping modules, respectively disposed within the upper mold base and the placement base; the abutting and lifting foot shaping module is used to shape the lifting foot of the display panel; and a heating mechanism, two heating mechanisms, respectively disposed within the placement base and on the upper mold base; the heating mechanism is used to heat the display panel. This device is not only rationally designed but also capable of shaping both planar and 3D curved display panels, improving the equipment's utilization range and meeting various shaping needs. Therefore, this device is suitable for industry promotion.

The invention relates to the technical field of metal material surface modification, in particular to a copper-based wear-resistant metal powder-cored wire and a desulfurization mortar pump flow passage component surface strengthening method.The method comprises the steps that an inner-layer metal powder-cored wire and an outer-layer metal powder-cored wire are prepared; cleaning the surface of the flow passage component of the desulfurization mortar pump and performing preheating treatment; preparing an inner cladding layer on the surface of the preheated flow passage component of the desulfurization mortar pump by using an inner-layer metal powder core welding wire; preparing an outer cladding layer on the surface of the inner cladding layer by using an outer-layer metal powder core welding wire; and carrying out welding-wire-free idle-walking cladding heating on the outer cladding layer along a welding bead, and applying ultrasonic treatment during the process. The inner cladding layer and the outer cladding layer sequentially cover the surface of the base body, so that the cladding layers have good hardness, wear resistance and impact toughness at the same time, and the overall quality of the cladding layers is improved.