666results about "Surface reaction electrolytic coating" patented technology

A method for producing an abrasion-resistant nanostructure (40) on a surface (5) of a support body (2) is proposed in order to permanently provide the support body (2) with advantageous surface effects. The method can be used, in particular, to permanently anchor nanostructures (40) to a surface (5) in an abrasion-resistant manner. For this purpose, in a first process step A, the nanostructure (40) is first applied to or produced on the surface (5), in particular by growing it. In a subsequent process step B, the nanostructure (40) produced in step A is then permanently and abrasion-resistantly bonded to the surface (5) by means of a separate embedding layer (20). For this purpose, the embedding layer (20) is produced separately from the already produced nanostructure (40) on, in particular on and / or in, the surface (5).The embedding layer (20) only partially covers the nanostructure (40), so that surface properties of the nanostructure (40) can be at least partially preserved. At the same time, the embedding layer (20) anchors the nanostructure (40) to the surface (5), whereby the embedding layer (20) can grow into the support body (2), in particular through the nanostructure (40).

The invention discloses an environment-friendly electrolyte for anodic oxidation of titanium and titanium alloy workpieces and an electrolytic coloring method. The electrolyte comprises 8-12 parts of lactic acid, 5-10 parts of sodium tartrate, 2-5 parts of sodium bicarbonate and the balance of deionized water. The electrolytic coloring method comprises the steps of pretreatment, anodic oxidation coloring and aftertreatment. The pretreatment comprises alkali washing oil removal, water washing and laser treatment; and an electrolyte mixed by 8-12 parts of lactic acid, 5-10 parts of sodium tartrate, 2-5 parts of sodium bicarbonate and the balance of deionized water is used for anodic oxidation coloring. The post-treatment comprises sealing treatment and drying. According to the technical scheme, the technical problems that the anodic oxidation coloring technology is completely free of fluorine, low in toxicity and safe to operate, and the oxidation waste liquid is free of pollution and easy to treat can be solved, existing pretreatment steps can be simplified, and meanwhile uniform coloring is achieved.

The invention discloses an anode material for adipic acid monoester electrolysis and a preparation method of the anode material, the electrode solves the key problems that a platinum layer is easy to fall off, the catalytic activity is low, the organic matter poisoning resistance is poor and the like of a traditional titanium platinum-plated electrode through multi-scale interface strengthening and nano structure regulation and control; the preparation method comprises the following core steps: constructing a porous ZrO2-TiO2 composite oxide layer on the surface of a titanium substrate by adopting a micro-arc oxidation-hydrothermal composite process, and generating platinum nanoparticles in situ to pre-fill pores, so that the anchoring effect of a platinum layer is remarkably enhanced; depositing a platinum / carbon nano tube (Pt / CNT) composite catalyst layer on the surface of the oxide layer through a pulse-ultrasonic synergistic electroplating technology, wherein the carbon nano tube is used as a conductive framework to inhibit platinum agglomeration; through vacuum annealing and electrochemical activation treatment, the interface bonding force and active site exposure are further optimized; the electrode shows excellent performance in an adipic acid monoester electrolysis system, and efficient electrocatalytic conversion from adipic acid monomethyl ester to dimethyl sebacate is achieved.

The utility model provides a formation tank aluminum foil cleaning device and a formation device, and belongs to the technical field of electrode foil formation equipment. When an aluminum foil penetrates through the lower portion of a cleaning press roller, pure water is injected into a cleaning tank, the cleaning press roller presses the aluminum foil into the cleaning tank, and the aluminum foil is cleaned with pure water in the forward movement process of the aluminum foil; the cleaning compression roller is provided with a through cavity, pure water enters the cleaning compression roller, and along with rotation of the cleaning compression roller, the water comes out of the water outlet holes to repeatedly clean the surface of the aluminum foil, so that the surface of the aluminum foil is cleaned up, and tank liquid in the formation tank is not prone to being polluted; the aluminum foil sequentially penetrates through the upper portion of the first transmission roller, the lower portion of the cleaning pressing roller and the upper portion of the second transmission roller, the cleaning pressing roller is located below the first transmission roller and the second transmission roller, water obtained after cleaning flows back into the cleaning tank along with the inclination angle of the aluminum foil, and the influence of pure water on the concentration of formation liquid is reduced; and water flowing back to the cleaning tank can be recycled, so that waste is reduced.

The invention belongs to the technical field of metal surface treatment, and relates to a preparation method of a metal surface lattice passivation corrosion-resistant film, which comprises the following steps of: polishing and cleaning a metal surface, constructing a three-electrode system, and applying cathode voltage to the metal to carry out surface modification treatment so as to realize metal surface lattice reconstruction, thereby obtaining the metal surface lattice passivation corrosion-resistant film. A compact adsorption layer of corrosion inhibition molecules is formed; the three-electrode system comprises metal as a working electrode, a platinum sheet as an auxiliary electrode and silver / silver chloride or saturated calomel as a reference electrode. According to the method, metal surface lattice reconstruction is achieved through cathode voltage treatment, the technical thought of traditional anodic oxidation is subverted, the passive film forms a regular lattice structure, defects in the film are greatly reduced, permeation of a corrosion medium is effectively blocked, and the corrosion resistance of metal is remarkably improved.

The invention relates to an elementary substance / alloy-metal oxyhydroxide anchored noble metal single atom / cluster heterojunction catalyst. A preparation method comprises the following steps: 1) dissolving a metal salt A, urea and ammonium fluoride in deionized water to obtain a mixed solution B; 2) performing hydrothermal reaction on the mixed solution B and a carrier to obtain a primary sample 1; 3) performing high-temperature calcination on the primary sample 1 in a mixed atmosphere of hydrogen and argon to obtain a primary sample 2; and 4) putting the preliminary sample 2 into a noble metal compound C solution for vacuum impregnation, taking out the sample after impregnation, and drying to obtain the catalyst. According to the scheme, the metal salt A is used as a metal source of a simple substance / alloy, the metal salt A is subjected to hydro-thermal synthesis to form a metal hydroxide and then subjected to high-temperature calcination reduction, the metal salt A is calcined to form the simple substance / alloy, then the simple substance / alloy is soaked in the precious metal compound solution C to form a metal oxyhydroxide, and meanwhile precious metal single atoms / clusters are anchored; the prepared catalyst is high in activity, and the preparation method is simple.

The invention relates to a nickel-free hole sealing agent and a preparation method thereof, and belongs to the technical field of high polymer materials. The nickel-free hole sealing agent comprises the following components in parts by weight: 3-10 parts of cobalt acetate, 1-11 parts of a corrosion-resistant modifier, 1-6 parts of ethylenediamine tetraacetic acid, 3-7 parts of sodium silicate and 5-15 parts of deionized water, an intermediate product containing bis-imidazoline in the corrosion-resistant modifier is tightly adsorbed on the metal surface by virtue of electrostatic attraction and a large pi bond to form a tough protective film, so that a water-phase corrosive medium is effectively isolated, the corrosion speed is remarkably reduced, and meanwhile, the corrosion-resistant modifier has good heat-resistant stability and still has a corrosion inhibition effect in a high-temperature environment; the glycine enables the nickel-free hole sealing agent to better fill tiny holes in the metal surface, so that the surface is flat and smooth, and uniform distribution and permeation of the hole sealing agent are promoted; quaternary ammonium salt destroys cell walls and cell membranes of microorganisms and inhibits growth and reproduction of the microorganisms; the nickel-free hole sealing agent prepared by the invention not only has a good antistatic effect, but also has excellent high-temperature-resistant and antibacterial effects.

The invention relates to the technical field of coating materials, and discloses a pure titanium micro-arc oxidation coating for a vacuum cup and a preparation method thereof.The preparation method comprises the following steps that surface pretreatment is conducted, specifically, a pure titanium vacuum cup inner container workpiece is sequentially subjected to degreasing, acid pickling and ultrasonic cleaning; preparing an electrolyte, namely adding 15-25 parts by weight of a silicon-containing compound, 5-12 parts by weight of metal salt, 3-8 parts by weight of an antibacterial agent and 1-5 parts by weight of a stabilizer into deionized water, and controlling the pH value to be 8.5-10.5; and performing micro-arc oxidation treatment. According to the invention, a silane compound in the micro-arc oxidation electrolyte contains a high-activity silanol group which is subjected to condensation reaction with titanium hydroxyl on the surface of a pure titanium substrate under the action of an electric field to form stable covalent bonding, so that the bonding strength of the coating and the substrate is enhanced; metal ions generated by metal salt electrolysis are co-deposited with titanium ions through plasma discharge, a composite oxide structure is constructed, and micro defects on the surface of a titanium substrate are sealed.

The invention discloses a titanium-based implant with antibacterial and osteogenesis-promoting properties as well as a preparation method and application thereof, and belongs to the technical field of crossing of biomedical materials and biomedicine. The selective laser melting porous titanium alloy is used as a matrix, micro-arc oxidation and hydro-thermal treatment are utilized, and the multifunctional composite coating with the antibacterial function and the osteogenesis promoting function is constructed on the surface of the selective laser melting porous titanium alloy; the microstructure and the biological performance of the coating are regulated and controlled by doping functional elements, so that the antibacterial performance and the osteogenesis promoting performance of the coating are optimized.

Provided is an yttrium-based protective film which is excellent in plasma resistance and appearance. An yttrium-based protective film containing yttrium oxide is provided, wherein the yttrium-based protective film has a porosity of less than 0.5 vol % and a Vickers hardness of at least 800 HV. This yttrium-based protective film preferably has a thickness of at least 0.3 μm, a crystallite size of at most 40 nm, a Y2O3 (222) plane orientation of at least 50%, a hydrogen atom number of at most 5.0×1021 atoms / cm3 and a compressive stress of 100 to 1700 MPa.

The invention belongs to the technical field of aluminum alloy surface treatment, and discloses an aluminum alloy micro-arc oxidation film layer with high plasma fluorination environment resistance and a preparation method thereof.The aluminum alloy serves as a matrix, the micro-arc oxidation film layer with high plasma fluorination environment resistance is formed on the surface of the matrix, the thickness of the film layer is 10-50 micrometers, the porosity is 3-5%, and the thickness of the film layer is 10-50 micrometers. The pore diameter is 0.5-1 [mu] m, and the alpha-Al2O3 accounts for 60-80%. According to the film layer, generation of more compact Al2O3 is promoted by adding zircon salt and yttrium salt, the structure and performance of the film layer are improved through introduced zirconium and yttrium elements, and the film layer has the advantages of being high in hardness, low in porosity, high in corrosion resistance and high in wear resistance.

The invention relates to the field of titanium alloy surface treatment, in particular to a preparation process of a nano-particle composite micro-arc oxidation coating suitable for a near-beta type titanium alloy. The preparation process comprises the following steps: step 1, degreasing treatment; step 2, membrane removal treatment; 3, performing nano-particle doping arc oxidation treatment to obtain a hard micro-arc oxidation film; and 4, PTFE paint film spraying treatment is conducted, and the PTFE paint film is obtained. The nano-particle composite micro-arc oxidation coating is of a double-layer structure, after nano-particle doped arc oxidation treatment, an inner-layer wear-resistant hard micro-arc oxidation film with the thickness being 20-30 microns and the average microhardness being 850 HV or above can be prepared on the near-beta-type titanium alloy, wear resistance and sufficient bearing capacity are provided for the composite coating, and by combining with an outer-layer PTFE paint film, the wear resistance of the composite coating is greatly improved. The near-beta type titanium alloy can be endowed with antifriction and wear-resistant double characteristics, a long-acting and lasting wear-resistant effect is provided, and the problem that the surface of a high-proportion beta phase in a matrix is not prone to oxidation is effectively solved.

The invention discloses a 3D printing titanium alloy composite coating material and a preparation method and application thereof, and relates to the technical field of titanium alloy materials. The micro-arc oxidation ceramic coating is formed on the 3D printing titanium alloy matrix, and the Mn-MOF material grows in situ, so that the biocompatibility of the titanium alloy can be remarkably improved, the composite coating not only improves the surface roughness of the 3D printing titanium alloy matrix, but also effectively promotes cell proliferation and adhesion through introduction of Mn, and the surface roughness of the 3D printing titanium alloy matrix is improved. Therefore, the application potential of the titanium alloy in the biomedical field is improved.

The invention discloses a metal nanodot array processing method based on an electrochemical anodic oxidation technology, and relates to a metal nanodot array processing method. The method aims at solving the problems that an existing machining method for an ultra-small-size metal nanodot array is low in stability, structure parameters cannot be flexibly adjusted, and cost is high. The method comprises the following steps: step 1, pretreating an aluminum sheet; 2, the pretreated aluminum sheet is impressed and oxidized, and an anodic aluminum oxide template is obtained; 3, preparing a continuous substrate aluminum cone array by using the anodic aluminum oxide template; 4, pretreating the continuous substrate aluminum cone array to obtain a sample; step 5, endowing conductivity; step 6, carrying out secondary oxidation on the sample; step 7, carrying out light transmission treatment on the sample; 8, PMMA on the surface of the sample is removed. The invention belongs to the technical field of micro-nano processing.

The invention relates to the technical field of aluminum alloy anode oxide film hole sealing, in particular to a color fixing agent for an aluminum alloy anode oxide film and a preparation method of the color fixing agent. 150 parts by weight of the color fixing agent for the aluminum alloy anode oxide film comprises the following components in parts by weight: 15-25 parts by weight of organic acid, 1-3 parts by weight of a surfactant, 0.1-1 part by weight of a corrosion inhibitor, 0.1-1 part by weight of an accelerant, 1-5 parts by weight of a pH value regulator, 2-10 parts by weight of a color fixing auxiliary agent and 20-40 parts by weight of acetone. And the balance of deionized water. The color fixing agent for the aluminum alloy anode oxide film has good color fixing capacity and corrosion resistance.

The invention discloses an aluminum alloy profile surface highlight corrosion-resistant treatment process which comprises the following steps: S1, pretreatment including degreasing and alkaline etching; s2, anodic oxidation; s3, chemical brightening treatment; s4, surface wiredrawing; s5, carrying out sand blasting; s6, highlight is conducted; s7, treating with a silane coupling agent; s8, carrying out secondary oxidation treatment; s9, performing nano-composite hole sealing; s10, spraying, printing and chemical brightening are used for replacing traditional mechanical polishing, so that the surface of the aluminum alloy profile is smoother, the uniformity of glossiness is improved, scratches possibly generated by mechanical polishing are avoided, stable chemical bonds are formed between the profile and a hole sealing layer through coupling agent treatment, the surface state is optimized, it can be ensured that a hole sealing agent can be attached more firmly, and the service life of the aluminum alloy profile is prolonged. According to the secondary oxidation treatment, an oxidation film is thickened after highlight treatment, the formed highlight surface is not affected, invasion of a corrosion medium is effectively blocked, nano-scale pores in the oxidation film are filled with nano silicon dioxide, a compact hole sealing layer is formed, and therefore the corrosion resistance of the workpiece is improved.

The present disclosure generally relates to materials, processes, generators, and / or systems, for generating radioisotope. The present disclosure also generally relates to ceramic materials comprising radioisotope suitable for use in a radioisotope generator. The present disclosure also generally relates to processes, generators and / or systems, for producing and capturing radioisotope. The present disclosure also generally relates to the preparation of radioisotope solutions for use in radiopharmacy and / or other clinical applications.

The invention belongs to the technical field of metal material surface treatment, and particularly relates to a 7-series aluminum alloy micro-arc oxidation surface treatment method which sequentially comprises the following steps of surface pretreatment, electrolyte preparation, micro-arc oxidation operation and post-treatment. According to the surface treatment method, the 7-series aluminum alloy surface pretreatment link is optimized, and the adverse effect of the workpiece surface state difference on micro-arc oxidation is effectively avoided; ultrasonic-assisted treatment and magnetic field-assisted treatment are introduced, so that the uniformity of the film layer is improved; the film thickness control method is optimized, and the film thickness uniformity is effectively improved.

The invention discloses a method for preparing a porous Ti-based electrode through laser cladding composite electrochemical dealloying, which comprises the following steps: under an atmosphere protection device, preparing a copper-titanium alloy cladding layer on a substrate by adopting a laser cladding technology, cutting the cladding layer and the substrate to obtain a precursor alloy material, and preparing a porous Ti-based electrode on the precursor alloy material, and finally, carrying out electrochemical dealloying treatment on the precursor alloy material by adopting a corrosive agent, selectively dissolving the element copper, and finally obtaining the porous Ti-based electrode material. According to the method, two surface modification technologies of laser cladding and dealloying are combined, the coating and the matrix can be metallurgically bonded through the laser cladding technology, the interface resistance is low, the structure is compact, and machining is fast; according to the electrochemical dealloying, components with relatively high activity in the coating are selectively dissolved to form a porous structure; the electrochemical dealloying processing technology is simple, the generated porous structure has high porosity and large specific surface area, a large number of catalytic active sites can be provided, meanwhile, the components, the structure and the size are easy to adjust, and therefore different requirements are met.

The invention provides a manufacturing method of a high Nb-TiAl alloy turbocharger, and belongs to the technical field of turbocharger manufacturing. The manufacturing method comprises the following steps: preparing high Nb-TiAl alloy powder by adopting a rotating electrode powder preparation method through a whole-process oxygen content integrated control technology; scanning and melting the high Nb-TiAl alloy powder layer by layer by adopting an SEBM forming process to form the high Nb-TiAl alloy turbocharger; and the high Nb-TiAl alloy turbocharger is subjected to heat treatment and fluorination treatment. According to the manufacturing process of the high Nb-TiAl alloy turbocharger, the uniformity of an alloy structure and the grain size can be improved, the weight of the turbocharger can be reduced, the high-temperature creep performance of the turbocharger can be improved, the stability is improved, the acceleration performance of an engine is further improved, energy consumption and smoke intensity are reduced, and the service life of the turbocharger is prolonged. Blade breakage and failure at the extremely high rotating speed are avoided.

The invention discloses a titanium-steel composite plate structure for ocean engineering and a preparation method of the titanium-steel composite plate structure, and belongs to the technical field of ocean engineering materials.The composite plate comprises a titanium plate, a steel sheet and a gradient functional layer arranged between the titanium plate and the steel sheet, and the gradient functional layer is composed of a titanium side MOF enrichment layer, a component gradual change transition layer and a steel side enhancement layer; the surface of a titanium plate is subjected to nanoscale rough oxidation treatment, a nano-pillar array structure is constructed on the surface of a steel sheet, high-strength combination of a heterogeneous metal interface and collaborative improvement of marine corrosion resistance are achieved, and a gradient coating technology of electrostatic spraying, aerosol spraying and slit coating is adopted in the preparation process; and the titanium-steel composite plate for ocean engineering is prepared by matching vacuum hot-pressing bonding and cooling technologies.

The invention discloses a post-treatment liquid and application thereof in an anode foil formation post-treatment process, and the post-treatment liquid comprises the following components in percentage by mass: 0.1-5% of a main film-forming agent, 0.05-3% of a synergistic stabilizer and the balance of a solvent, the main film-forming agent is selected from at least one of a waterborne polyurethane emulsion and a silane coupling agent; the synergistic stabilizer is selected from at least one of organophosphate, molybdate and tungstate. The main film-forming agent and the synergistic stabilizer are compounded to obtain the post-treatment liquid, on one hand, the synergistic stabilizer is firmly combined with an aluminum oxide substrate to carry out deep passivation treatment on an oxidation film on the surface of the anode foil, and on the other hand, the synergistic stabilizer is subjected to network crosslinking with a hydrophobic protection layer formed by the main film-forming agent; the three-dimensional composite protective film can effectively isolate water molecules, repair microdefects on the surface of an oxidation film, prevent the phenomena of specific volume attenuation, leakage current increase and the like of the anode foil, and improve the long-term working reliability of the capacitor.

The invention discloses a method for preparing an electromagnetic wave absorbing ceramic coating on a titanium alloy surface. The method comprises the following steps that (1) titanium alloy pretreatment is conducted, specifically, grinding and polishing and ultrasonic oil removal are conducted; 2) preparing a micro-arc oxidation solution; and 3) performing micro-arc oxidation treatment by controlling electrical parameters. The method is simple and controllable in process, easy to implement and suitable for large-scale industrial application. The prepared coating has wave absorbing performance, good corrosion resistance and high hardness, and the main components of the coating comprise titanium dioxide (rutile phase and anatase phase) and aluminum titanate. And high bonding strength and structural stability are achieved between the coating and the base body, and the corrosion resistance of the titanium alloy is remarkably improved.

The invention discloses a preparation process of a high-performance composite coating for oxidation electrophoresis plasma spraying, which comprises the following steps: pretreatment: soaking an aluminum alloy window frame in an alkaline degreasing fluid, subsequently cleaning the aluminum alloy window frame with deionized water, soaking the aluminum alloy window frame in a mixed acid solution, washing the aluminum alloy window frame with deionized water, and blow-drying the aluminum alloy window frame; anodic oxidation: putting the pretreated aluminum alloy window frame into an electrolytic bath as an anode, taking a tantalum-niobium alloy plate as a cathode, putting into a compound electrolyte, and electrifying to form an oxidation film on the surface of the aluminum alloy window frame; the aluminum alloy window frame is put into deionized water to be subjected to ultrasonic cleaning for multiple times; electrophoretic coating is conducted, specifically, the workpiece is immersed in electrophoretic paint liquid with charges, and circulation of tank liquid is ensured; and plasma nanometer spraying is conducted, specifically, the aluminum alloy window frame obtained after electrophoretic coating is completed is heated, and the nanometer ceramic powder paint enables a nanometer ceramic coating to be deposited on the surface of the aluminum alloy window frame through plasma spraying equipment. The method has the advantage that the overall wear resistance and corrosion resistance of the aluminum alloy window frame are improved.

The invention discloses a medical titanium alloy surface modified coating for bone implantation, which is prepared by the following steps: step (1) plasma-assisted nitriding pretreatment: placing a titanium alloy matrix in a vacuum chamber, introducing high-purity nitrogen, hydrogen and argon mixed gas, maintaining the air pressure at 0.15-2.0 Pa, applying-50 to-400 V pulsed bias to the matrix, performing plasma nitriding for 45-90 minutes at the temperature of 450-600 DEG C, and performing plasma nitriding treatment to obtain a titanium alloy surface modified coating; forming a gradient nitriding layer; according to the medical titanium alloy surface modification coating for bone implantation provided by the invention, nitriding reinforcement of a matrix, micro-arc oxidation construction of micropores and anodic oxidation growth of a nano structure are combined, so that the problems that a coating in a single technology is weak in binding force and the nano structure is easy to fall off are solved.

According to the anodic oxidation technology suitable for the 6061 aluminum alloy, multi-component silica sol is adopted for conducting room-temperature dipping hole sealing and low-temperature curing on a 6061 aluminum alloy anodic oxidation film, and technology energy consumption and equipment requirements are reduced. The dense silicon network seals the membrane holes, prolongs the diffusion path of a corrosive medium and prevents the corrosive medium from invading the substrate, thereby greatly improving the corrosion resistance of the membrane layer and inhibiting pitting corrosion.

The invention relates to the technical field of hole sealing reagents, in particular to a medium-temperature nickel-free hole sealing agent and a preparation method and application thereof. The invention provides a nickel-free hole sealing treatment fluid, which comprises the following components by mass concentration: 0.1-30 g / L of a main hole sealing agent; 0.01 to 30 g / L of polyol fatty acid ester; 0.1 g / L to 10 g / L of an accelerant; a pH buffer agent is 0.05 to 5 g / L; wherein the main hole sealing agent comprises alkali metal salt and / or alkaline earth metal salt and lays a hole sealing core foundation; the polyol fatty acid ester is used as a coalescing agent and can form an organic film on the outer surface of a film layer to further obstruct a medium and improve the smoothness; the accelerant can further improve the corrosion resistance and the color fixing property; and the pH buffering agent ensures that the functions of all the components are fully exerted. All the components of the treating fluid cooperate with one another, so that the hole sealing quality, the salt mist tolerance and the color fixing performance of the treating fluid can be comparable with those of a commercially available nickel-containing hole sealing agent, and the treating fluid shows excellent comprehensive performance.

The invention relates to the technical field of photovoltaic aluminum profile preparation, in particular to a method for automatically preparing a photovoltaic aluminum profile through sand blasting and aging sequentially. The method comprises the following steps: firstly, smelting, pouring and extruding raw materials to obtain an aluminum alloy profile; continuously feeding the aluminum alloy section on the automatic production line into a sand blasting machine for sand blasting treatment, wherein the sand discharge amount of the lower shot blasting device is greater than that of the upper shot blasting device; then, the aluminum alloy profile subjected to sand blasting treatment is vertically suspended by using a row turning machine, and enters an aerial vertical aging furnace for aging treatment; and finally, the aluminum alloy profile obtained after aging treatment continues to be hung on the automatic conveying system to be subjected to anodic oxidation treatment, and the photovoltaic aluminum profile is obtained. According to the method, sand blasting is conducted firstly, then aging is conducted, the aluminum alloy grain structure distortion energy is enhanced, the material surface strength is better improved in the follow-up aging process, the sand blasting effect is improved, a uniform and compact sand face is formed, the corrosion resistance is improved, meanwhile, high automation can be achieved conveniently, and the production cost is effectively reduced.

The present disclosure generally relates to materials, processes, generators, and / or systems, for generating radioisotope. The present disclosure also generally relates to ceramic materials comprising radioisotope suitable for use in a radioisotope generator. The present disclosure also generally relates to processes, generators and / or systems, for producing and capturing radioisotope. The present disclosure also generally relates to the preparation of radioisotope solutions for use in radiopharmacy and / or other clinical applications.

The invention provides a production method of a capacitor aluminum plastic film and an aluminum electrolytic capacitor formed foil, relates to the field of formed foil production, and aims at providing a high-performance aluminum plastic film structure and a preparation process of the formed foil. The aluminum plastic film sequentially comprises an aluminum electrolytic capacitor formed foil, a bonding layer and a heat sealing layer from inside to outside. The bonding layer is composed of maleic anhydride modified polyolefin, diisocyanate and glycidyl ether type epoxy resin, and the heat sealing layer is formed by compounding polypropylene and polyphenylene sulfide. According to the production of the formed foil, the thickness and the compactness of an oxidation film are gradually improved through multi-section electrolytic oxidation and optimized combination of multiple additives, the pressure resistance, the specific volume and the mechanical strength of the formed foil are remarkably improved, and meanwhile the leakage current is reduced.