801results about How to "High hardness" 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.

According to the silicon carbide / diamond multi-layer composite film and the preparation method thereof, a polycrystalline silicon carbide matrix in the multi-layer composite film is a bottom layer, and the multi-layer composite film has high strength, high rigidity, high heat conductivity and oxidation resistance; the components of the gradient SiC-C transition layer gradually change from pure SiC to rich C-SiC and then to diamond-like carbon, and the gradient SiC-C transition layer is used for slowly releasing thermal stress and enhancing binding force; the nanocrystalline diamond is used as the top layer and has high hardness, low friction coefficient, particle scouring resistance and high infrared transmittance; the silicon carbide / diamond multi-layer composite film is obtained through a chemical vapor deposition method, the process is mature, and the silicon carbide / diamond multi-layer composite film has good heat conduction performance and infrared transmittance and is suitable for infrared guidance systems with extremely severe working environments, such as optical materials of fairings, optical windows and the like.

The application relates to a swing granulator seven-star roller and a mounting structure thereof. The swing granulator seven-star roller and the mounting structure thereof comprise a seven-star roller body, the seven-star roller body is in a cylindrical working surface structure, seven convex granulation corners are uniformly arranged on the outer peripheral wall of the seven-star roller body, the working surfaces of the granulation corners are all arranged in arc structures, and the arc structures are matched with a screen of the swing granulator; a roller mounting mechanism, which comprises a rack, a bearing seat, a bearing arranged in the bearing seat and a rotating shaft penetrating through the bearing, the rotating shaft is connected with an end shaft of the seven-star roller body, the bearing seat is mounted on the rack, a material seepage discharge port is formed in the rack at the bottom of the bearing seat; and a sealing assembly, which is sleeved on the rotating shaft and located at the opening end of the bearing seat. The material can be more fully and uniformly extruded, the hardness of wet particles is effectively improved, the generation of fine powder after drying is reduced, the quality of granular products is improved, the dead angle residual of the material in the equipment is reduced, and the material waste is reduced.

The application discloses a wear-resistant copper alloy material and a preparation method thereof, and belongs to the technical field of alloy manufacturing. The wear-resistant copper alloy material comprises a copper-aluminum alloy and a surface coating. The copper-aluminum alloy comprises the following components: electrolytic copper powder, aluminum material, iron powder, manganese powder and graphene / Ni-Fe layered double hydroxide composite. The aluminum material comprises pure aluminum and coconut shell fiber / waste aluminum composite, and the mass ratio of the pure aluminum to the coconut shell fiber / waste aluminum composite is 1:(5-6). The surface coating comprises the following components: lignin-modified MXene / metal organic framework / g-C3N4 composite material, epoxy-modified isocyanate oligomer and silane coupling agent-modified nano-silicon sol. The application solves the problem of internal and external defects caused by waste aluminum in the preparation process of the copper-aluminum alloy.

The application discloses a display panel preparation method and a display panel. The display panel preparation method comprises the following steps: providing a first substrate, and forming a first electrode on the first substrate; coating photoresist on the side surface of the first electrode away from the first substrate and the first substrate between the first electrodes; performing hardening treatment on the photoresist between the adjacent first electrodes; providing a light-emitting element, and performing local pressing on the light-emitting element to electrically connect the light-emitting element and the first electrode. The photoresist between the adjacent first electrodes is subjected to the hardening treatment, so that the hardness of the photoresist between the adjacent first electrodes is improved. The photoresist of the hardened part is not easy to deform, and can limit the position of the light-emitting element connected with the first electrode, so as to avoid the problems of position deflection, mispositioning, deflection and the like of the light-emitting element in the local pressing process, and ensure the electrical connection effect between the light-emitting element and the first electrode of the first substrate.

The invention discloses a gradient composite reinforced anti-corrosion treatment method for a metal alloy guardrail, and belongs to the technical field of metal material surface treatment. The method comprises the following steps: carrying out ultrasonic cavitation micro-etching and electrochemical gradient activation pretreatment on the surface of a substrate; a metal ceramic composite layer containing a non-oxide ceramic reinforced phase is generated on the surface in situ through a micro-arc oxidation-chemical vapor deposition coupling process, and a component transition layer is formed with the assistance of vacuum gradient diffusion alloying treatment; and finally, coating an intelligent resin coating containing a corrosion inhibitor capsule and a corrosion indicator, and constructing a super-hydrophobic surface. By constructing a multi-layer composite protection system of the gradient diffusion layer / the metal ceramic layer / the intelligent coating / the super-hydrophobic layer, the anti-corrosion performance is remarkably improved, and the obtained guardrail has excellent bonding strength, wear resistance and long-acting anti-corrosion service life, has the intelligent functions of damage self-repairing and corrosion state visualization and is suitable for popularization and application. The method is especially suitable for harsh service environments.

The invention provides a compaction control system of a heat treatment furnace door, which comprises a mechanical structure and software control, the mechanical structure comprises six hinge mounting seats mounted on the outer side of a furnace chamber, and the six hinge mounting seats are respectively arranged on the upper, middle and lower parts of the left and right sides of the furnace chamber; an air cylinder and a curved surface pressing block mechanism are installed on each hinge installation base, the air cylinders move to drive the curved surface pressing block mechanisms to do curvilinear motion, and rolling bearings are symmetrically installed on each curved surface pressing block mechanism in the axial direction; a metal protection plate is installed at the corresponding position of the furnace door, when an air cylinder moves forwards or backwards, a pressing block on a curved surface pressing block mechanism is driven to do curvilinear motion, the furnace door is pressed through a rolling bearing, and the rolling bearing makes rolling motion after making contact with the metal protection plate. Software control adopts synchronous action control of six air cylinder systems on the left side and the right side, air supply and exhaust of air cylinders are independently controlled through middle-sealed type electromagnetic reversing valves respectively, and the air cylinders adjust clamping blocks to act synchronously through precise exhaust throttling valves.

The application discloses a high-entropy alloy wear-resistant coating flux-cored wire, which comprises a flux core and a welding sheath; the flux core is composed of the following components: Ti: 25%-30%, Ta: 20%-25%, Al: 20%-23%, Mn: 20%-23%, Y: 5%-15%, and the sum of the atomic percentages of the above components is 100%; the welding sheath is an FeCoNi strip, and the welding sheath is composed of the following components: Cr: 0.006%, Cu: 0.011%, C: 0.1%, Co: 17.31%, Ni: 29.08%, Si: 1%, and Fe is the balance. The application further discloses a preparation method and application of the high-entropy alloy wear-resistant coating flux-cored wire. The application solves the problems of insufficient high-temperature performance, easy wear and easy corrosion of a new nuclear power turbine blade TC4 surface under a long-term working environment.

The invention relates to a method for reducing the content of residual monomers in a polymer composition, the polymer composition, a composition capable of free radical polymerization, a polymer preparation method, a polymer and application.

The application relates to the technical field of bulletproof masks, in particular to a full-effect light multi-functional bulletproof protective mask and a preparation method thereof. The preparation method comprises the following steps: mixing aluminum nitride, aluminum oxide and yttrium oxide by wet ball milling, pre-pressing, cold isostatic pressing, sintering, hot isostatic pressing, polishing and obtaining an aluminum oxynitride transparent ceramic plate; hot-pressing forming PC middle plates and PC lining plates, cleaning, coating with a silane coupling agent, spraying a fog-proof coating on the PC lining plates, and baking; obtaining pretreated PC lining plates and pretreated PC middle plates; taking the pretreated PC lining plates, laying TPU-UHMWPE transparent weftless sheets, laying the pretreated PC middle plates, laying PU glue, laying the aluminum oxynitride transparent ceramic plate, bagging, hot-pressing, standing, edge sealing, curing and obtaining a full-effect light multi-functional bulletproof protective mask. The full-effect light multi-functional bulletproof protective mask and the preparation method thereof have the advantages that the prepared bulletproof protective mask is light in quality, good in bulletproof effect and high in light transmittance.

The present application relates to a kind of environment-friendly water-based phenolic resin anticorrosive coating and its preparation process, belong to the field of coating technology.The coating is made of water-based phenolic resin emulsion, hyaluronic acid-lysine composition load nano SiO2-ZnO composite filler, synergistic anticorrosive filler, wetting dispersant, film forming aid, leveling thickener, defoaming agent and deionized water.The superhydrophilic of hyaluronic acid fundamentally solves the dispersion and storage stability problem of phenolic resin in aqueous phase, and the amino group of its lysine side chain can also chemically bond with resin during curing, significantly enhancing the adhesion, flexibility and interfacial bonding strength of coating.At the same time, nano SiO2, ZnO and synergistic anticorrosive filler construct a multiple synergistic anticorrosive network of physical shielding, sacrificial anode and chemical passivation, achieving long-term active protection.The whole system uses water as medium, selects bio-based raw materials and low VOC additives, and the environmental protection is outstanding.

The invention relates to a multi-stage hot rolling process of a Cu-Zn-Ni alloy double solid wrench for an acetylene environment, and relates to the technical field of copper alloy manufacturing, a Cu-Zn-Ni alloy is cast into a blank, then the casting blank is subjected to multi-stage hot rolling to manufacture the double solid wrench, the multi-stage hot rolling is divided into rough rolling, intermediate rolling and finish rolling, the rolling temperature of rough rolling is 920-940 DEG C, the single-pass reduction is 15-20%, the deformation is 30-40%, and the rolling temperature is 920-940 DEG C; the rolling temperature is not less than 850 DEG C; the initial rolling temperature of the intermediate rolling is 920-940 DEG C, the deformation is 10-15%, and the final rolling temperature is 780-820 DEG C; the rolling temperature of the finish rolling is greater than or equal to 880 DEG C, and the deformation is less than or equal to 10%. The Cu-Zn-Ni alloy double solid wrench prepared by the production method disclosed by the invention meets the working requirements in an acetylene environment.

The utility model provides a novel cardiac pacemaker lead fixing device belongs to medical appliance technical field, this novel cardiac pacemaker lead fixing device, include: lead body, the inside of lead body is equipped with thin metal wire, and the surface is provided with rotating handle. The utility model: the lead body is passed through the protection sheath pipe, and the anchor head end structure of lead body one end is moved to the inside of heart, until the main helical silk of nickel titanium alloy is made on the anchor head end and is fixed with the outer layer of myocardium, further adjusts the rotating handle on the surface of lead body to make the electrode end continue to move, the diameter between a plurality of inner layer's auxiliary micro helical silk changes in the process of rotating to drive a plurality of anchor block rotation and move and pass through endocardium, cooperate a plurality of anchor block surface's anchor hook and enhance the stability of lead body fixed, realize the purpose of anchor head end grading anchor operation.

The present application relates to the technical field of rail production process, in particular to a production method for improving wear resistance of channel rail for tram. After universal rolling, compressed air is applied to the channel rail for forced cooling in parts. In the first stage, supersonic air jet cooling is applied to the rail head tread, rail head running edge, rail head left side, rail lip and rail bottom to control the cooling speed of each part. In the second stage, supersonic air jet cooling is continuously applied to each part of the rail to control the cooling speed of each part. In the third stage, subsonic air jet cooling is applied to each part of the rail to control the cooling speed of each part, and then the rail is naturally cooled in air. The quenching effect of the channel rail tread and running edge is improved, the pearlite interlamellar spacing is refined, the rail strength and hardness are improved, and the channel rail has good wear resistance.

The utility model relates to an excavator breaking hammer protective knife structure which comprises a breaking hammer fixing frame (1), a breaking hammer body (2) and a breaking drill bit (3), the breaking hammer body (2) is arranged on the breaking hammer fixing frame (1), and the breaking drill bit (3) is arranged at one end of the breaking hammer body (2). The breaking hammer is characterized in that the breaking hammer fixing frame (1) is provided with a protection piece (4) used for protecting and / or a breaking part (5) used for breaking or smashing objects, the protection piece (4) is matched with the breaking hammer fixing frame (1), and the protection piece (4) and / or the breaking part (5) are / is fixedly connected with or integrally formed with the breaking hammer fixing frame (1). According to the design, on one hand, the breaking hammer can be protected, and on the other hand, the breaking efficiency is improved.

The invention discloses modified high-carbon alloy steel and a preparation method and application thereof, and belongs to the technical field of high-carbon alloy steel for aluminum alloy forming dies. The preparation method disclosed by the invention comprises the following steps: carrying out electroslag remelting on a high-carbon alloy steel rod to obtain a casting blank; carrying out thermoplastic deformation on the casting blank to obtain a blank; the blank is annealed, so that carbides in the blank are eliminated or become fine particles, spherical graphite can be separated out, and the modified high-carbon alloy steel is obtained; the particle size of the fine particles is smaller than 10 microns. According to the method, coarse and large carbides which are difficult to eliminate in the high-carbon aluminum alloy forming die steel containing strong carbide forming elements such as Cr, Mo and V or medium-strong carbide forming elements are subjected to rapid and basic graphitization through a thermoplastic deformation and high-temperature graphitization combined process; the technical problem that carbide decomposition and graphite precipitation control are difficult to realize in the existing method is solved.

The utility model discloses a strong magnetic force button relates to button technical field, including female buckle and sub button, is equipped with the mounting groove on female buckle, and the strong magnet is bonded in the mounting groove, and is equipped with iron quality protruding on sub button, and iron quality protruding inserts the strong magnet in mounting groove and will iron quality protruding adsorb fixed, and is equipped with V type folding plate on female buckle and sub button, and V type folding plate is used for installing female buckle and sub button at the bag mouth of suitcase, can cooperate with the pincers pressure technology through setting V type folding plate, realizes quick installation, and eliminates the insufficient place of the seam line and riveting technology, and the hardness of V type folding plate is improved through setting the metal ceramic wear -resisting layer, avoids the scratch and the corrosion, can disperse the pincern pressure through setting temporary flexible high polymer protection film, and the indentation is left in flexible high polymer protection film, and there is no residue after peeling, avoids the indentation and leaves on V type folding plate.

This invention provides a QPQ surface strengthening method for flexible and rigid wheels in harmonic reducers, comprising the following steps: after machining the flexible or rigid wheel, it is sequentially degreased, cleaned, dried, and preheated; the preheated flexible or rigid wheel is nitrided to form a nitrided layer on its surface; the surface of the flexible or rigid wheel is treated mechanically or by tumbling; the polished flexible or rigid wheel is placed in molten oxide salt for oxidation treatment to form an oxide layer on the surface of the nitrided layer; after the oxidized flexible or rigid wheel is air-cooled, it is immediately rinsed with clean water and dried with hot air, and then coated with anti-rust oil. Compared with the prior art, this invention uses low-temperature salt bath nitriding and oxidation treatment, the QPQ process is short, has fewer process steps and is easy to control, and the salt bath can be recycled. The surface hardness of the workpiece reaches 800-850 HV, and the wear rate is reduced by more than 70% compared with the traditional tempering process, significantly extending the service life of the workpiece.

This invention discloses a double-helix composite blade long-diameter-maintaining coring drill bit and its manufacturing method, belonging to the field of geological drilling coring equipment. The drill bit includes a drill bit steel body, double-helix composite blades, and a coring inner cylinder. The double-helix composite blades are arranged in a double-helix staggered distribution, including polycrystalline diamond cutting blades and surface-impregnated diamond grinding blades. The polycrystalline diamond cutting blades have a three-dimensional helical forward-inclined structure, embedded with frustum-shaped polycrystalline diamond sheets and triangular polycrystalline diamonds. The surface-impregnated diamond grinding blades have an axial helical structure, equipped with low-temperature surface-impregnated matrix blocks and surface-impregnated large diamond particles. The outer wall surface of the blades is equipped with a helical long-diameter-maintaining structure. The manufacturing method integrates three processes: pressureless impregnation, hot-pressing sintering, and brazing, to prepare the blade matrix base and the surface-impregnated matrix blocks respectively, and then weld them into shape. This invention, through optimized structural design and multi-process synergy, significantly improves the coring efficiency, wear resistance, and structural stability of the drill bit in complex formations, achieving long-term diameter maintenance and high-efficiency drilling.

This utility model discloses a pillow that provides all-around support for the cervical spine during sleep. It includes an upper pillow core and a lower pillow core. Both the upper and lower pillow cores have outer covers. Left and right support sections are also covered with outer covers. The upper pillow core includes a left side, a right side, and a support section. The left and right sides of the support section are connected, and the outer cover of the support section is fixedly connected to the middle of the outer cover of the lower pillow core. The outer cover of the left support section is connected to the pillowcase outside the left side, and the outer cover of the right support section is connected to the pillowcase outside the right side. Its advantage is that the upper pillow core covers the neck, and when the body turns over, the movement of the neck moves the upper pillow core, thus pulling the entire pillow forward. This ensures that the upper pillow core remains in position relative to the neck during sleep, providing real-time support for the cervical spine throughout the entire sleep process, allowing the cervical spine to relax and recover effectively.

This invention discloses a method for infiltrating ultra-low chromium copper into copper-tungsten contact materials using a vacuum sintering process, comprising the following steps: S1, pressing tungsten powder into a blank; S2, degumming the tungsten blank; S3, preparing the copper matrix; S4, unloading the blank; S5, sintering and infiltrating; and S6, solution treatment and aging. In the copper-tungsten contact material infiltrated with ultra-low chromium copper using the vacuum sintering process of this invention, the Cr content is approximately 0.025 wt.%. This ultra-low Cr content provides excellent strengthening of the contact material, resulting in a hardness ≥78 HB and a conductivity ≥55 Ms / m, thus compensating for the insufficient conductivity of chromium copper while meeting the hardness requirements of copper.

The invention discloses a cell wall associated kinase gene VvWAKL8 for regulating and controlling texture formation of grape fruits and application thereof, the cell wall associated kinase gene VvWAKL8 is cloned from the grape fruits for the first time, the nucleotide sequence of the cell wall associated kinase gene VvWAKL8 is as shown in SEQ ID NO.1, and the coded amino acid sequence is as shown in SEQ ID NO.2. Research finds that the VvWAKL8 is specifically and highly expressed in the hard-pulp grape variety, and subcellular localization analysis shows that the protein is localized in a cell membrane; instantaneous overexpression of VvWAKL8 in grape fruits can significantly improve fruit hardness and regulate pectin metabolism related gene expression, and verifies the core function of VvWAKL8 in fruit texture formation. The research reveals that the VvWAKL8 is a key gene for regulating and controlling the grape fruit texture for the first time, a brand new gene resource is provided for molecular marker-assisted breeding of a new storage-resistant grape variety, and an important foundation is laid for deeply analyzing a cell wall signal to regulate and control a molecular mechanism of fruit development.

The invention discloses a laser welding method for an ultra-high-strength stainless steel welding part and the ultra-high-strength stainless steel welding part, and particularly provides two stainless steel blank workpieces to form an assembly, and the blank assembly is melted to form a laser welding joint under the action of a laser heat source. And the welded joint is placed in a low-temperature environment at the temperature T for a period of time to be subjected to subzero treatment, and then the welded joint with the excellent joint performance within the wide temperature range is obtained. The welding joint has ultrahigh strength, and the strength of the welding joint can reach 90% or above of the strength of a base material in typical low-temperature (-196 DEG C), room-temperature and high-temperature (100 DEG C) environments; and the application in environments with different assembly gaps can be met.

This application relates to the field of food processing technology, specifically disclosing a freeze-resistant lava-filled popping bead, its preparation method, and its application. The freeze-resistant lava-filled popping bead comprises an inner core liquid, a popping bead wall material liquid, a curing liquid, and a storage liquid. The inner core liquid comprises the following raw materials in parts by weight: 80-120 parts white sugar, 3-6 parts calcium salt, 30-60 parts edible alcohol, and 41-68 parts water. The preparation method is as follows: white sugar, calcium salt, edible alcohol, and water are mixed until dissolved to obtain the inner core liquid; alginate, glycerin, pectin, and acidic substances are mixed with water until dissolved to obtain the popping bead wall material liquid; calcium salt, chitosan, and water are mixed evenly to obtain the curing liquid; fructose syrup, edible alcohol, and water are mixed evenly to obtain the storage liquid; the inner core liquid is added dropwise to the popping bead wall material liquid for a coating reaction; excess adhesive is filtered out and washed away; the bead is then placed in the curing liquid and the storage liquid in sequence; after packaging and high-temperature sterilization, the finished product is obtained. It has the advantage of bursting and lava-filled core when eaten frozen.

This invention discloses a multi-process synergistic method for strengthening and toughening titanium alloys. The method includes: firstly, pre-treating the titanium alloy surface with sandblasting; then, subjecting the pre-treated titanium alloy to solid embedding carburizing treatment; subsequently, under inert atmosphere protection, sequentially subjecting the carburized titanium alloy to solution treatment, rapid cryogenic treatment, and aging treatment; and finally, shot peening the surface of the heat-treated titanium alloy. This invention solves the problem in existing technologies where a single process is insufficient to synergistically improve the strength and toughness of titanium alloys, achieving a synergistic match between high strength and high hardness on the surface of the titanium alloy material and high toughness in the matrix.

The invention relates to the technical field of automobile parts, and particularly discloses an anti-oxidation corrosion-resistant automobile air-inlet grille and an electroplating process thereof.The anti-oxidation corrosion-resistant automobile air-inlet grille is prepared from phenoxy-terminated siloxane modified polycarbonate, ABS resin, a modified LDHs antioxidant, a compatilizer ABS-g-MAH and a lubricant ethylene bis stearamide through melt blending, extrusion granulation and injection molding. And a copper layer, a nickel-phosphorus layer and a cobalt-chromium layer are further electroplated and deposited on the automobile air-inlet grille, and the anti-oxidation and corrosion-resistant automobile air-inlet grille is formed.

This utility model discloses a high-load-bearing machine tool base, including a top plate, a bottom plate, side plates, and supporting partition plates. The two ends of the top plate and the bottom plate are connected by the side plates. The side plates and the supporting partition plates are vertically arranged and perpendicular to each other. The supporting partition plates are evenly distributed between the top plate and the bottom plate along the length of the top plate. Each supporting partition plate includes an arc-shaped support part, a vertical support part, and an inclined support part. The two ends of the arc-shaped support part are connected to the side plates on both sides, respectively. The upper end of the vertical support part is connected to the top plate, and the lower end is connected to the bottom plate. The inclined support parts are located on both sides of the vertical support parts, with the upper end connected to the top plate and the lower end connected to the bottom plate. The inclined support parts gradually incline towards the vertical support parts from top to bottom. This utility model has a simple structure, is easy to manufacture, and has high structural strength, effectively improving the load-bearing capacity of the base.

The utility model belongs to the field of coating production equipment, and particularly relates to a water-based coating performance improving tool which comprises a stirring barrel, and a stirring assembly is arranged in the stirring barrel. The stirring assembly comprises a protection box. According to the utility model, the stirring assembly is arranged, and the turbine blade, the spiral blade and the scraping plate work cooperatively. The turbine blades rotate at the top of the stirring barrel, so that agglomerates above the coating can be effectively scattered, and primary mixing of components is promoted; the spiral blade is arranged in the middle of the transmission rod II, rotates along with the transmission rod, and can drive the coating to circularly flow up and down in the stirring barrel, so that various components are fully mixed in the vertical direction; the scraping plate at the bottom is in sliding fit with the inner wall of the bottom of the stirring barrel, so that pigments, fillers and the like attached to the bottom of the stirring barrel can be cleaned in time and prevented from being accumulated, and uniform mixing of the paint is further ensured, so that the appearance color and physical properties such as hardness and wear resistance of a coating are improved, and the product quality is improved.

The application discloses a kind of nano-permeable resin coating for construction in high-humidity water environment of desulfurization chimney lining anticorrosion, chimney lining includes reducing agent layer, reinforcing agent layer, primer layer, topcoat layer in turn from inside to outside, nano-permeable resin primer and topcoat can be permeated into the concrete matrix to form the anticorrosion layer of "matrix-coating", "mixing element integration", so that it not only has excellent acid corrosion resistance, but also has high and low temperature alternation and airflow scouring performance, solve the problem that chimney lining anticorrosion layer fails due to stress corrosion, also has good construction performance, solve the difficult problem that chimney lining anticorrosion layer construction period is short.

The application discloses a kind of arc ion plating and high-power pulse magnetron sputtering hybrid coating method and the cutter formed by it, and the hybrid coating method comprises: depositing nitride coating on substrate by arc ion plating;Nitride-boride coating is deposited on the nitride coating by arc ion plating and high-power pulse magnetron sputtering hybrid mode;Boride coating is deposited on the nitride-boride coating by high-power pulse magnetron sputtering.The arc ion plating and high-power pulse magnetron sputtering hybrid coating method of the application can completely break the columnar crystal epitaxial growth through coating, eliminate the columnar crystal through, form a large number of nanometer scale grain boundary and subgrain boundary, so as to significantly improve the fracture toughness of coating;At the same time, due to the elastic strain field at interface impedes the dislocation movement, coating hardness is significantly improved.