1655results about How to "Improve wear resistance" patented technology

The invention relates to the technical field of stainless steel pipe fittings, in particular to a high-performance anti-corrosion stainless steel pipe fitting and a preparation method thereof.The preparation method of the high-performance anti-corrosion stainless steel pipe fitting comprises the following steps that S1, mechanical polishing is conducted; s2, removing oil; s3, acid treatment is conducted, specifically, the stainless steel pipe fitting blank obtained after oil removal is soaked in an acid surfactant solution for 5-10 min, and the stainless steel pipe fitting blank is taken out, washed with water and dried; the solute in the acidic surfactant solution comprises acid and a cationic surfactant; s4, adsorption treatment is conducted, specifically, the stainless steel pipe obtained after acid treatment is soaked in an adsorption solution containing graphene oxide for 4-10 min, and the stainless steel pipe is taken out and dried; and S5, anti-corrosion coating treatment is conducted, specifically, anti-corrosion coating is sprayed to the surface of the stainless steel pipe fitting blank, drying is conducted, and the high-performance anti-corrosion stainless steel pipe fitting is obtained. The method has the advantage that the anti-corrosion performance of the organic anti-corrosion coating can be improved.

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.

The invention relates to the technical field of cylinder covers of vehicle engines, and provides a coating system and a coating for a cylinder cover metal mold. The coating formed on the inner surface of the cylinder cover metal mold based on the coating system has the advantages that the service life of the mold coating is prolonged, and casting defects can be reduced. The coating system comprises a first material liquid and a second material liquid; the first material liquid comprises a first coating and a first solvent for dilution, and the first coating comprises the following components in percentage by mass: 20-30% of silicon dioxide powder, 10-20% of aluminum oxide powder, 1-7% of magnesium oxide powder, 35-45% of a binder, 2-8% of titanium oxide powder and 5-25% of water; the second material liquid comprises a second coating and a second solvent for dilution; the second coating comprises the following components in percentage by mass: 20-30% of silicon dioxide powder, 10-20% of aluminum oxide powder, 1-7% of magnesium oxide powder, 35-45% of a binder, 2-8% of titanium oxide powder and 5-25% of water; the dilution multiple of the first coating is greater than that of the second coating.

According to one aspect of the present disclosure, a flux-cored wire provided can effectively enhance the wear resistance of a coating layer by ensuring the formation of carbides and borides above a certain level within the coating layer when applying twin wire arc spray, while actively suppressing the formation of pores and oxides within the coating layer.

The utility model relates to the technical field of non-woven fabric processing, and discloses a non-woven fabric uncoiling device which comprises a base, an uncoiling mechanism is arranged at the top of the base, a supporting mechanism is arranged at the top of the base, the uncoiling mechanism comprises an uncoiling assembly and a limiting assembly, and the uncoiling assembly is arranged at the top of the base. Through the arranged unwinding mechanism, when a non-woven fabric roll needs to be unwound, the non-woven fabric roll is connected to the peripheries of the fixing plates in a sliding mode firstly, the four fixing plates are in a folded state, and at the moment, an adjusting disc can be rotated to drive a threaded rod to rotate in a fixing cylinder to move front and back according to the size of the inner side of the non-woven fabric roll; when the threaded rod moves, the mounting base can be driven to slide on the periphery of the fixing cylinder, when the mounting base moves, the concave frame can be driven to move, in the moving process, the angle of the connecting shaft can be changed between the concave frame and the fixing plates, and the distance between the four sets of fixing plates and the mounting base can be changed.

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.

This utility model relates to the field of coking equipment technology, and more specifically, to a high-coverage, anti-adhesion ceramic liner configuration, comprising: a liner body and multiple hexagonal prisms embedded in multiple hexagonal holes in the liner body; the space between the hexagonal prisms and the hexagonal holes is filled with an adhesive curing liquid for forming a sealing interface. In this high-coverage, anti-adhesion ceramic liner configuration, multiple hexagonal prisms are installed on the liner body, and the multiple edges of the hexagonal prisms form continuous cutting edges. Under the impact of coke, the hexagonal prisms can break the coke to a certain extent, effectively reducing the amount of coke adhesion and improving the wear resistance of the liner body; and the end of the hexagonal prism away from the liner body is provided with a spherical impact-resistant structure, which decomposes the vertical impact force of the coke into a radial component, reducing the impact damage to the liner body.

This utility model discloses a knitted fabric, comprising: a top layer; a middle layer; and a bottom layer; the middle layer being disposed between the top layer and the bottom layer; wherein the top layer is woven from a first composite yarn, the middle layer is woven from a second composite yarn, and the bottom layer is woven from a third composite yarn. This improves perspiration wicking speed, provides high elasticity, and ensures the softness and comfort of the fabric.

The application relates to the photovoltaic technical field, in particular to a solar printing screen structure, a fusing equipment thereof and a processing method, which comprise an electrode pattern, a main grid pattern line, a warp and a weft, the warp and the weft are woven to form a printing screen, a mesh hole is formed between two adjacent warps and two adjacent wefts, the warp is parallel to the main grid pattern line, the main grid pattern line is symmetrically arranged on the two sides of the electrode pattern, a main grid pad point is located in the electrode pattern, and the part of the warp in the coverage range of the electrode pattern is subjected to fusing treatment outside the coverage range of the electrode pattern. The application has the effects of improving the wear resistance of the printing screen and improving the conversion efficiency of the battery.

The utility model discloses a kind of wear-resistant knitted fabric, it is related to textile field, and its technical scheme main point is: including base layer, base layer includes front loop column and back loop column, front loop column and back loop column are arranged with 3:1 rule, wear-resistant yarn is crossed on base layer, wear-resistant yarn includes loop portion and floating thread portion, the pattern of base layer is four-way one cycle, wherein wear-resistant yarn is set on first road, second road and third road.Floating thread portion protrudes on the surface of base layer, so that base layer and external clothing rub, floating thread portion is stressed, and floating thread portion exists in vertical state, more withstand transverse extrusion when rubbing, and it is not easy to appear bending stress, and the distance between floating thread portion is small, so as to ensure the wear resistance of the surface of base layer as a whole, polyester fiber has the characteristics of good wear resistance, ensures the wear resistance of the surface of base layer.

The utility model discloses a broach with a special tooth embedded blade, which solves the problems that the service life of the existing broach is short due to the fact that the special tooth is easy to abrade in the broaching process to cause meat falling and strain at an outlet, and the existing broach is lack of special structural design in the radial direction and is not capable of improving the performance of individual teeth. The cutter comprises a cylindrical cutter body, a cutter strip groove is formed in the outer wall of the cutter body in the direction parallel to the central axis, a cutter strip is arranged in the cutter strip groove and connected to the cutter body through a bolt, and a plurality of special key grooves are formed in the cutter strip at equal intervals to form special teeth. The cutter further comprises a plurality of rows of spline cutting teeth, each row of spline cutting teeth is arranged on the outer wall of the cutter body, and the two ends of each row of spline cutting teeth are located on the two sides of the corresponding cutter strip groove respectively. A plurality of splines are arranged on each row of spline cutting teeth at equal intervals to form the spline cutting teeth; the broach is an assembly type broach, the blade can be replaced according to the actual use condition, and the economic cost is reduced.

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 discloses a floor board with a good stain-resistant effect, which comprises a board body, a wear-resistant layer is arranged on the outer surface of the board body, the wear-resistant layer comprises a polyurethane coating and a fluorocarbon rubber coating, a stain-resistant layer is arranged on the outer surface of the wear-resistant layer, the stain-resistant layer comprises a polypropylene coating and an epoxy resin coating, the board body comprises a substrate layer, and the substrate layer comprises a polyurethane coating and a fluorocarbon rubber coating. A clamping groove part is arranged on the left side of the base layer, a protruding part is arranged on the right side of the base layer, the polyurethane coating is arranged on the outer surface of the plate body in a coating mode, the fluorocarbon rubber coating is arranged on the outer surface of the polyurethane coating in a coating mode, the polypropylene coating is arranged on the outer surface of the fluorocarbon rubber coating in a coating mode, and the epoxy resin coating is arranged on the outer surface of the polypropylene coating in a coating mode. According to the utility model, the stain-resistant layer is arranged, the epoxy resin coating contained in the stain-resistant layer can carry out first-layer stain-resistant protection treatment on the plate body, and the polypropylene coating can carry out second-layer stain-resistant protection treatment on the plate body after the epoxy resin coating is damaged, so that the stain resistance of the whole plate body is effectively improved.

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 utility model discloses a robot foot sole, a robot leg and a robot. The foot sole comprises a foot sole supporting piece, a foot sole mounting piece and an elastic piece. The plantar supporting piece comprises a plantar supporting outer surface far away from one side of the robot and a plantar supporting inner surface close to one side of the robot, and a plantar supporting mounting part is arranged on the plantar supporting inner surface; the plantar mounting piece is detachably connected with the plantar supporting mounting part; the elastic piece is arranged in the sole supporting piece; the foot sole mounting piece is detachably connected with the foot sole supporting mounting part, so that the foot sole supporting piece is convenient to disassemble and assemble, the operation time is greatly shortened, and the maintenance efficiency is greatly improved; the elastic piece is arranged in the sole supporting piece, the mechanical damping function is achieved, the sole supporting piece can be made of a hard material, then the abrasion resistance of the sole supporting piece is improved, meanwhile, it is guaranteed that the sole has the good buffering performance through the arrangement of the elastic piece, and the selection contradiction problem of damping performance and durability in a traditional structure is solved.

This invention relates to the field of power cable technology and discloses a wear-resistant modified PE sheathed power cable with a braided reinforcement layer. From the inside out, the invention comprises a conductor, an insulation layer, a filler layer, a metal shielding layer, an inner sheath layer, a buffer layer, an armor layer, a double-gradient braided layer, and an outer sheath layer. The buffer layer is filled with nano-magnesium hydroxide particles and hollow glass microspheres to enhance buffering energy absorption and flame retardant performance, resisting external impacts and fire risks. The double-gradient braided layer uses a blended fiber design to enhance tensile strength and dynamic friction reduction, adapting to dragging and stretching conditions. The outer sheath layer, with its helical interlocking structure and graphene molybdenum disulfide modified ridge surface, enhances wear resistance and load-bearing capacity, resisting wear in complex environments. The synergistic effect of each functional layer comprehensively improves the overall performance of the cable.

The utility model relates to impact breaker composite hammer head technical field discloses an impact breaker composite hammer head structure, including the crushing end, the top of crushing end is provided with fixed end, the top inside fixed end is provided with mounting hole. This impact breaker composite hammer head structure is provided with mounting pad, reservation groove, first fixed hole, mounting bolt and protective sleeve, and the protective sleeve can protect the mounting hole, prevent the mounting hole from wearing and affecting use, need when the protective sleeve is fixed make the first fixed hole on mounting pad and the first fixed hole inside reservation groove alignment, after alignment, the mounting bolt is screwed into the inside first fixed hole and mounting pad is fixed, since mounting pad is installed at the front and rear ends of protective sleeve, so the protective sleeve can be fixed in position by fixing mounting pad, solve the problem that the mounting hole on the hammer head is easy to wear, inconvenient to protect the mounting hole, easy to affect the use of hammer head.

The application discloses a preparation method of a large-bore air-cooled diesel engine piston and specifically comprises the following steps: S1, modeling and dividing regions; S2, gradient printing; and S3, coating addition; and relates to the technical field of diesel engine pistons. The preparation method of the large-bore air-cooled diesel engine piston realizes the synergistic optimization of the overall performance of the piston through gradient printing of the piston, realizes the lightweight of the piston in cooperation with the honeycomb lattice structure, reduces the abrasion amount by using silicon carbide, improves the wear resistance of the top region, forms zirconium tri-aluminum nano precipitated phases by zirconium, refines the grains, forms a composite precipitated phase by using scandium, zirconium and aluminum, improves the high-temperature strength, constructs an efficient heat conduction network by using graphene nanosheets, improves the heat conductivity of the middle region, forms a three-dimensional network by using carbon nanotubes, improves the toughness of the skirt region, and has high interfacial bonding strength by spraying a wear-resistant and corrosion-resistant coating on the surface of the piston, reduces the friction, improves the service life of the piston and effectively reduces the maintenance cost.

A loader frame articulation structure, belonging to the field of engineering machinery, includes a front frame and a rear frame, connected by an articulation assembly. The articulation assembly includes an articulation shaft, which is fixedly mounted on the front frame, and the rear frame is rotatably connected to the articulation shaft. The articulation shaft includes a cylindrical portion and a truncated cone portion. The truncated cone portion is fixedly mounted on the upper end of the cylindrical portion and installed within an articulation hole in the front frame. A mounting plate is mounted on the upper end of the truncated cone portion, and the mounting plate is fixedly connected to the front frame by bolts. The cylindrical portion is rotatably connected to the rear frame, and the lower end of the cylindrical portion is connected to the articulation hole on the front frame via a bushing. The use of a conical surface fit at the loader's articulation structure significantly improves the assembly accuracy and connection strength at the articulation point, thereby solving the connection strength problem at the articulation point under extreme working conditions and the fatigue wear problem caused by the increasing use time of the loader, effectively reducing the failure rate of the loader product.

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.

The application discloses a high-performance anticorrosion steel pipe and a preparation method thereof. The high-performance anticorrosion steel pipe comprises a pipe body made of iron and an alloy nickel plating layer chemically plated on the surface layer of the pipe body. The plating nickel solution for chemically plating the alloy nickel plating layer on the pipe body comprises 20 g / L of nickel sulfate, 7-9 g / L of nickel acetate, 13-16 g / L of sodium hypophosphite and 4-6 g / L of sodium citrate. The plating nickel solution is adjusted to have a pH of 4-5 by using sodium acetate, and has the advantage of improving the anticorrosion effect.

The present application relates to the field of environment-friendly materials and its preparation technology, and particularly relates to a degradable environment-friendly paper cup interior coating and a preparation method thereof. The method comprises the following steps: firstly, synthesizing polymerizable quaternary ammonium salt surfactant (RPKO-X), and then introducing the polymerizable quaternary ammonium salt surfactant and a bio-based polymer solution into a polyacrylate molecular chain by a redox initiation polymerization method, so as to obtain a degradable acrylate emulsion for paper cup interior coating. By introducing the hydrophobic monomer RPKO-X with emulsifier characteristics, a stronger crosslinking network is formed, which can significantly improve the water resistance and oil resistance of the coating. Meanwhile, by introducing the bio-based material polyvinyl alcohol 2688, the environmental friendliness of the coating is enhanced, and the rapid degradation of the coating after use is promoted. By using the redox initiation polymerization system, the method is simple to prepare, can be prepared under mild conditions, and the emulsion particle size is uniform and stable.

The invention provides a low-water-absorption glass bead modified PBT (polybutylene terephthalate) material and a preparation method thereof. The low-water-absorption glass bead modified PBT material comprises the following components in parts by weight: 70-100 parts of PBT resin; 0 to 30 parts of solid glass beads; 0-5 parts of a toughening agent; 0-2 parts of an antioxidant; 0-2 parts of a lubricant; 0-2 parts of black color master batch; 0-2 parts of a coupling agent; 0-5 parts of polytetrafluoroethylene wax; wherein the average particle size of the solid glass beads is 1-50 [mu] m; the average particle size of the polytetrafluoroethylene wax is 3-15 [mu] m, and the weight-average molecular weight of the polytetrafluoroethylene wax is 10000-30000 g / mol; the weight ratio of the solid glass beads to the polytetrafluoroethylene wax is (5-10): 1. According to the invention, the polytetrafluoroethylene wax is added into the solid glass bead modified PBT material, so that the shrinkage difference between the material flow direction and the vertical flow direction is effectively reduced, the water absorption rate of the material is remarkably reduced, the preparation process is simple, and the production process is easy to control.

The utility model discloses a kind of automobile rear door decoration upper boards, comprising: panel main body, panel main body upper side has the radian of backward bending and folding edge portion, left and right sides and lower side are provided with the edge portion of backward folding and folding;3 U-shaped buckles are set on the back of radian and folding edge portion;Reinforced lining is overlaid on the back of radian and folding edge portion, and reinforced lining upper surface has the multiple buffer rib of supporting radian and folding edge portion, and has the inner sunken square hole corresponding U-shaped buckle, inner sunken square hole has the protrusion of the opposite end of U-shaped buckle;And reinforced lining has the 3 positioning branch portions of downward extension, and positioning branch portion has positioning round hole;Positioning column is set on the back of panel main body and corresponding positioning round hole;And multiple reinforcing ribs and screw mounting hole column are set on the back of panel main body.The utility model automobile rear door decoration upper board structure installation is stable, and structural strength is high, buffering performance is good, assembly is convenient, appearance texture is excellent, can satisfy the use demand of modern automobile rear door interior, with good practicality.

The application discloses a light-proof flow cell and relates to the field of particle counter accessories, which comprises a first shell and a second shell, flow holes are formed in the first shell and the second shell, a wear-resistant light-blocking layer is arranged between the first shell and the second shell, a plurality of first plug-in holes are formed in the second shell, and a plurality of corresponding first plug-in columns are arranged in the plurality of first plug-in holes. The first shell and the second shell are made of quartz diamond material, and the hardness is high, so that the contact with the detection liquid is diamond material, the wear resistance can be improved, the first plug-in hole and the first plug-in column are arranged at four corners and are matched, and the butt joint precision is improved, so that the grinding effect of the flow holes by the grinding liquid can be effectively reduced, the phenomenon that the pore size of the flow cell becomes large can be avoided, and therefore the accuracy is not greatly affected during counting, and the stability during use and the counting accuracy are improved.

The utility model relates to a thermocouple field discloses a kind of wear-resistant thermocouples, including junction box, the inside fixed mounting of junction box has hot electrode, the outer wall of hot electrode is equipped with insulating sleeve, the bottom of junction box is connected with the protective sleeve being provided, and hot electrode is inside the protective sleeve, the outer wall bottom of the protective sleeve is provided with flow guide mechanism, the flow guide mechanism includes outer thread, and the outer thread is fixedly connected in the outer wall bottom sleeve of protective sleeve.In the utility model, excellent wear resistance is realized by flow guide mechanism, the flared structure of flow guide cover can increase medium contact area, reduce high-speed medium in pipeline to low speed, greatly reduce abrasive impact force, while inner wall guide medium flows along cover body outside, avoiding hot electrode measuring end;Two sides flow guide plate and the connecting rod of bottom, front and back side form protective frame, further isolate abrasive impact, effectively avoid protective sleeve rapid wear, significantly prolong the service life of thermocouple.

The application discloses an ultrahigh-molecular-weight polyethylene silicon nano wear-resistant composite pipe and a preparation method thereof, and relates to the technical field of ultrahigh-molecular-weight polyethylene composite pipes. The ultrahigh-molecular-weight polyethylene silicon nano wear-resistant composite pipe is prepared from the following raw materials in parts by mass: 70-85 parts of ultrahigh-molecular-weight polyethylene, 5-15 parts of silicon nano particles, 3-6 parts of maleic anhydride grafted polyethylene, 0.1-1.2 parts of a silane coupling agent, 1-3 parts of a wear-resistant reinforcing agent, 0.3-1.5 parts of a lubricant and 0.3-1 part of an antioxidant. The surface of the silicon nano particles is modified by using a specific silane coupling agent, and the silicon nano particles are effectively combined with the ultrahigh-molecular-weight polyethylene matrix, so that the dispersibility of the nano particles in the polymer matrix is solved, and the wear resistance and the mechanical properties of the pipe are remarkably improved.

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 invention discloses a sulfide-reinforced alloy powder for plasma spraying and its preparation method. The method includes: dispersing alloy matrix powder in a water / alcohol mixed solvent for surface activation to obtain activated alloy powder; adding the activated alloy powder to a sulfur-containing coordination reaction solution containing a sulfur-containing coordination precursor, a transition metal salt, and layered sulfide nanosheets for liquid-phase coordination deposition to form a discontinuous deposition layer with a metal-sulfur coordination structure; then performing low-temperature sulfidation heat treatment under a nitrogen atmosphere to transform the discontinuous deposition layer into a transition metal sulfide interface layer, anchoring the layered sulfide nanosheets therein; finally, drying, dispersing, shaping, and sieving to obtain the target alloy powder. The alloy powder obtained by this invention can improve the sulfide retention rate and lubricating phase distribution uniformity after spraying, and improve the coating bonding strength and friction-reducing and wear-resistant properties.