1114 results about "Titanium carbide" patented technology

Reactive halogen-ion plasmas, having for example, generating chloride ions, generated from low-pressure halogen gases using a radio-frequency plasma are employed for producing low-friction carbon coatings, such as a pure carbon film, at or near room temperature on a bulk or thin film of a compound, such as titanium carbide.

Garniture tongue of a garniture device of a rod machine arranged for compressing a material. The garniture tongue includes a rod guide surface and the garniture tongue being composed at least in part of a steel alloy with high titanium carbide content. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Golf club structures, including club heads and shafts, composed of composites comprised of a matrix of metal, such as an aluminum alloy, or a plastic material and a fiber such as graphite or a ceramic, which may be whiskerized, and which may also be selectively weighted as in the toe and heel of a club head, with heavy particles such as tungsten metal. The club structure may also be surface hardened by applying a coating of fullerenes to a metal club structure and heat treating it to produce a hard coating of metal carbide, preferably by coating a titanium golf club structure with fullerenes and heat treating the coated structure to produce a titanium carbide surface.

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

A process of preparing purified Ti by the way of electrolysis directly from sosoloid positive pole, TiO?mTiC. Mix the powder of C and TiO2 or TiC as measurement of chemical reaction. Then press to be certain size to make positive pole, TiO?mTiC in airvoid at 600-1600íµ. Electrolyte is halide fused salt of alkali. Electrolysis at 400-1000íµ. C and O in the positive pole form CO, CO2 and O2. Purified Ti is obtained from negative pole.

The invention relates to a friction stir welding tool (1) with an essentially cylindrical shank (2), which has a peg (3) with a smaller diameter projecting on one end (5) starting from a shoulder region (4) of the shank (2). According to the invention it is provided in order to create a friction stir welding tool (1) for welding steel, that the friction stir welding tool (1), at least in the region of the peg (3) and in the shoulder region (4), is made of a hard metal containing 80% by weight to 98% by weight tungsten carbide with an average grain size of more than 1 μm and up to 20% by weight cobalt as well as optionally a total of up to 18% by weight titanium carbide, tantalum carbide, niobium carbide and/or mixed carbides thereof and at least in one of the referenced regions has a coating of one or more layers.

The invention discloses a method for preparing a metal surface laser strengthened coat, which comprises the following steps: preparing uniformly mixed powder of titanium dioxide hydrate and graphite powder by using a wet chemistry method; pre-placing the mixed powder on the surface of a basal body; and irradiating the surface of the basal body by using laser as a heat source under an argon atmosphere to form a molten pool, performing a carbon-thermal chemical reaction on the pre-placed mixed powder under a high-temperature environment to generate titanium carbide, and finally forming a titanium carbide composite coat on the surface of the basal body. In the same way, the method is also suitable for preparing a TiN enhanced composite coat by mixing hydrated oxide thereof and graphite by the wet chemistry method, then mixing the mixture and urea to form pre-placed powder and cladding the pre-placed powder on the basal body by laser. The surface of the enhanced coat prepared by the technical scheme is smooth, and has no cracks or pores; enhancing particles are uniformly distributed in the coat; the enhanced coat and the basal body are metallurgically combined; and the mixed powder prepared by adopting the wet chemistry method is uniformly mixed, ensures complete reaction, and is suitable for industrial popularization and application.

Abrasive articles possessing a highly open (porous) structure and uniform abrasive grit distribution are disclosed. The abrasive articles are fabricated using a metal matrix (e.g., fine nickel, tin, bronze and abrasives). The open structure is controlled with a porosity scheme, including interconnected porosity (e.g., formed by leaching of dispersoid), closed porosity (e.g., induced by adding a hollow micro-spheres and/or sacrificial pore-forming additives), and/or intrinsic porosity (e.g., controlled via matrix component selection to provide desired densification). In some cases, manufacturing process temperatures for achieving near full density of metal bond with fillers and abrasives, are below the melting point of the filler used, although sacrificial fillers may be used as well. The resulting abrasive articles are useful in high performance cutting and grinding operations, such as back-grinding silicon, alumina titanium carbide, and silicon carbide wafers to very fine surface finish values. Techniques of use and manufacture are also disclosed.

The invention discloses a multiple dispersion strengthening copper-base composite material produced in situ and a preparation method thereof; the reinforced phase comprises at least three of the following substances: titanium carbide, zirconium carbide, alumina, titanium boride, aluminum carbide, chromium oxide, zirconia, graphite and copper; wherein, the contents of titanium carbide, zirconium carbide, alumina, titanium boride, chromium oxide and zirconia are not less than 0.3% and not more than 5%, the content of aluminum carbide is not less than 0.1% and not more than 5%, the content of graphite is not less than 0.1% and not more than 1% and the balance is copper. The particle size of the reinforced phase is between 10nm to 10mu m. The preparation method adopts ball milling; pressing, sintering and squeezing processes and the technological parameters are optimized and controlled properly to obtain the multiple dispersion strengthening copper-base composite material. Because the in situ self-generation technology is adopted and various reinforced phase methods are combined, the material of the invention has higher high-temperature strength and better electroconductibility and anti-creep property compared with the traditional ceramic particle strengthening copper-base composite material.

A method of an in situ synthetic steel bond hard alloy casting composite hammerhead adopts a vacuum lost foam casting technology, wherein Ti powder, graphite powder, W powder and metal powder are mixed, and are added with an adhesion agent to produce a powder coating paste, the powder coating paste is filled in a reinforcement groove or a hole of a working part of an expanded poly styrol (EPS) foaming plastic modal of a hammerhead casting, during the pouring process, the high temperature of liquid steel is utilized to initiate the self propagating synthesis reaction, the reactions of Ti plus C->TiC and W plus C->WC are carried out, so the TiC and WC-based hard alloy phases are formed, the liquid steel is filled into the clearance of a hard phase, so an in situ synthetic titanium carbide and tungsten carbide steel bond hard alloy is obtained, and the hard alloy is embedded in the steel base body of the working part of the hammerhead. When the hammerhead which is produced through the method of the in situ synthetic steel bond hard alloy casting composite hammerhead is used, because the hard alloy and the casting are completely, metallurgically and firmly combined together, the hammerhead has high wear resistance and impact resistance during the use, has a simple technological process, low production cost, and is applicable to large-scale industrial production.

The durability of a fuel cell having a polymer electrolyte membrane with an anode on one surface and an oxygen-reducing cathode on the other surface is improved by replacing conductive carbon matrix materials in an electrode with a matrix of electrically conductive metal compound particles. The electrode includes a catalyst supported on a nanosize metal oxides and electrically conductive nanosize matrix particles of a metal compound. One or more metal compounds such as a boride, carbide, nitride, silicide, carbonitride, oxyboride, oxycarbide, or oxynitride of a metal such as cobalt, chromium, nickel, molybdenum, neodymium niobium, tantalum, titanium, tungsten, vanadium, and zirconium is suitable. For example, the combination of platinum particles deposited on titanium dioxide support particles mixed in a conductive matrix of titanium carbide particles provides an electrode with good oxygen reduction capability and corrosion resistance in an acid environment.

The present invention provides an antibacterial ceramic cutting tool and belongs to the technological field of fine ceramics. The present invention comprises ingredients and is characterized in that the ceramic cutting tool is essentially made of fine ceramic material that is used as the main raw material, and 1.5 to 5 weight percent of antibacterial material. The fine ceramic material can be selected from ultra-fine zirconia powder, ceylon ceramic materials, alumina or silicon nitride that is used for plasticizing the ceramic materials, and metal ceramic materials such as titanium carbide or titanium nitride. The application of antibacterial ingredients in the fine ceramic material has resulted in the antibacterial and bacteriostatic properties of fine ceramic products. Further the ceramic cutting tool of the antibacterial function can be prepared.

The invention relates to a method for preparing a carbon nanoparticle/two-dimensional layered titanium carbide composite material. The method includes the steps that a two-dimensional layered titanium carbide nano material MXene (Ti3C2/Ti2C) is prepared through hydrofluoric acid corrosion; the material MXene (Ti3C2/Ti2C) and monosaccharide are processed through ultrasonic treatment, vacuum impregnation, hydrothermal treatment and other steps, so carbon nanoparticles are generated between layers and on the surface of the MXene (Ti3C2/Ti2C) material, and the carbon nanoparticle/two-dimensional layered titanium carbide composite material is obtained. Raw materials which are not toxic and easy to obtain are adopted, the preparation process is simple, the technology is controllable, cost is low, repeatability is good, the layered structure of the prepared two-dimensional layered MXene (Ti3C2/Ti2C) is uniform and complete, the carbon nanoparticles are evenly distributed between the layers and on the surface of the MXene (Ti3C2/Ti2C) material, and the prepared composite material has the advantages of being large in specific surface area, good in conductivity, good in hydrophilic property and the like and can be used in the fields such as functional ceramic, wave-absorbing materials, supercapacitors and ion batteries.

The invention discloses an antibacterial warming anti-electromagnetic radiation textile fabric and a preparation method thereof and belongs to the technical field of multifunctional fabrics. The preparation method mainly comprises multifunctional impregnation liquid preparation and fabric impregnation. The impregnation liquid mainly comprises deionized water, nanometer titanium dioxide, nanometer cerium oxide, nanometer silicon carbide, metal-loaded carbon nanotubes and nanometer titanium carbide. Through a vacuum-high pressure repeated impregnation technology, effective components in the impregnation liquid can be fast bonded to a textile fabric and the textile fabric subjected to impregnation has washing resistance and retains effective functions. The textile fabric functionalization method is simple and is free of repeated impregnation treatment in impregnation liquids with different functions. The preparation method reduces a production cost and is environmentally friendly.

The present invention relates to novel lubricant additives for improving the tribological properties, novel lubricants containing these additives, processes for the preparation thereof and the use thereof. Lubricant comprises ceramic nanoparticles as additives comprising aluminum oxide, aluminum nitride, silicon dioxide, titanium dioxide, zirconium oxide, yttrium oxide, tungsten oxide, tantalum pentoxide, vanadium pentoxide, niobium pentoxide, cerium dioxide, boron carbide, aluminum titanate, boron nitride, molybdenum disilicide, silicon carbide, silicon nitride, titanium carbide, titanium nitride, zirconium diboride and/or clay minerals, and thermally stable carbonates and/or sulfates. The nanoparticles represent an ellipsoid with three semi-axes a, b and c, which are not equal to each other, or equal to each other. The ratio of a and b is 1-100, a and c is 1-1000, and b and c is 1:100.

Disclosed is a probe needle material used for producing a probe needle which is used in contact with an inspection object to inspect electrical characteristics of the inspection object, comprising not less than 0.1% by volume but not more than 3.5% by volume of at least one compound selected from the group consisting of titanium boride, zirconium boride, hafnium boride, niobium boride, tantalum boride, chromium boride, titanium carbide, zirconium carbide, hafnium carbide, vanadium carbide, niobium carbide, tantalum carbide, zirconium oxide, hafnium oxide and chromium oxide and the balance of a tungsten alloy mainly consisting of tungsten.

The invention provides a selective laser melting forming method for preparing a titanium alloy component. The method comprises the steps as follows: firstly, after being subjected to ball-milling and mixing, titanium alloy powder is delivered to a selective laser melting quick forming device, and the titanium alloy component is formed according to a component CAD image imported into the selective laser melting quick forming device; secondly, during a forming process, a mixture of 35-45% of nitrogen and 55-65% of argon is input by the flow rate of 3-5 liter per minute at the same time, a self-propagating high-temperature synthetic reaction is performed on the titanium and the nitrogen under the temperature ranging from 1220 DEG C to 1480 DEG C so as to generate titanium nitride, and titanium carbide is generated through the reaction of the titanium and the carbon in graphite under the temperature ranging from 1260 DEG C to 1523 DEG C under the argon condition; thirdly, the titanium nitride and the titanium carbide generated from the reactions are melted with the titanium alloy component as an organic whole; fourthly, the formed titanium alloy component is subjected to segmental cooling. Through adopting the technical scheme of the method, the generated titanium alloy component has better abrasive resistance and corrosion resistance, and besides, the fact that the film layers of the traditional titanium nitride and titanium carbide composite coatings are easy to peel off from the titanium alloy is avoided, and the surface of the titanium alloy is not needed to be subjected to coating and anticorrosive treatment additionally, so that the cost is saved, and no other additional processing procedures are required.

The invention relates to a nuclear fuel cladding totally or partially made of a composite material with a ceramic matrix containing silicon carbide (SiC) fibers as a matrix reinforcement and an interphase layer provided between said matrix and said fibers, the matrix including at least one carbide selected from titanium carbide (TiC), zirconium carbide (ZrC), or ternary titanium silicon carbide (Ti₃SiC₂).

When irradiated and at temperatures of between 800° C. and 1200° C., said cladding can mechanically maintain the nuclear fuel within the cladding while enabling optimal thermal-energy transfer towards the coolant.

The invention also relates to a method for making the nuclear fuel cladding.

The invention provides an antibacterial ceramic cutting tool which is prepared from a ceramic material and an antibacterial active material. Based on the total weight of the ceramic material and the antibacterial active material, the addition of the antibacterial active material is 3-10wt% and the balance is the ceramic material. The ceramic material comprises one or more than one of zirconium oxide, aluminum oxide, silicon nitride, titanium carbide or titanium nitride. The antibacterial active material comprises silver oxide, copper oxide, titanium oxide, silicon oxide, aluminum oxide, alkali metal oxide, alkaline earth metal oxide and inevitable impurities. The grain size of the antibacterial active material is 10-100nm. Meanwhile, the invention further provides a preparation method of the antibacterial ceramic cutting tool. The antibacterial ceramic cutting tool provided by the invention is good in antibacterial and bacteriostatic effect, and particularly has a good capability of resisting and inhibiting staphylococcus aureus and tritirachium album.

The invention provides a preparation method of a tin dioxide/two-dimensional nano titanium carbide composite material. The preparation method comprises: carrying out ball milling on ternary layered Ti3AlC2 ceramic powder; immersing the obtained product in hydrofluoric acid solution to perform the reaction for 6h to 120h; stirring, centrifugally cleaning a corrosion product by using deionized water, and drying an obtained solid sample to obtain a two-dimensional layered nano material MXene-Ti3C2; and mixing SnCl4.5H2O, glucose and the two-dimensional nano MXene-Ti3C2, using ethanol as a solvent, adjusting PH to 12 to 14, stirring with a magnetic force for 2h, performing the reaction at 120 DEG C for 6h, and after naturally cooling to a room temperature, carrying out centrifuging and drying to obtain a SnO2/MXene-Ti3C2 composite material. The material obtained by the preparation method can effectively alleviate a volume effect of SnO2 nano particles, and the SnO2/MXene-Ti3C2 nano composite material has an excellent application prospect in the field of an anode material field of a high storage germanium lithium ion battery.

A carbonized hard Ti-base alloy with high weldability, anti-wear nature and toughness is prepared proportionally from the hard phase (TiC or the mixture of TiC and WC), adhesive phase chosen from Ni, Co and Fe, Cu and Mn or Mn compound, C, tantalum carbonate and/or niobium carbonate, V or V compound, Cr or Cr compound, and Mo or Mo compound.

The invention discloses a preparation method of a two-dimensional titanium carbide/carbon nanotube loaded platinum particle composite material. The preparation method comprises the following steps: preparing two-dimensional titanium carbide by chemically peeling off an aluminum atomic layer in Ti3AlC2 by means of HF; and combining the two-dimensional titanium carbide with MWNTs by means of a solvothermal method, and meanwhile, loading the platinum nanoparticles to obtain the Ti3C2/MWNTs-Pt nano composite material. The preparation method provided by the invention is simple, controllable in process, good in repeatability and low in cost, and industrial production on a large scale is facilitated. The prepared Ti3C2/MWNTs-Pt nano composite material is large in specific surface area and good in electric conductivity, can be used as an anode catalyst of a direct methanol fuel cell, and shows excellent catalytic activity on methanol oxidation.

This invention discloses a method for producing metal/metal ceramic composite, and its application. The composite is produced by compositing metal ceramic onto low alloy steel matrix. The metal ceramic is metal-matrix TiC, which comprises binding phase metal and hard granular TiC dispersed in binding phase metal. The low alloy steel matrix and the metal ceramic are metallurgically composited, and a diffusion/dissolution zone exists at the interface of the binding phase metal and the low alloy steel. A gradient transition layer of hard granular phase exists in the diffusion/dissolution zone. The binding phase metal is selected from Fe, Co and Ni. The TiC is prepared by self-propagating high temperature synthesis of Ti and C during casting of the low alloy steel. The self-propagating high temperature synthesis system comprises: binding phase metal 35-45 wt. %, Ti 44-52 wt. %, and C 11-13 wt. %. The metallurgical composition of the metal ceramic and the matrix has high strength. Therefore, the composite has good wear resistance and good impact resistance, thus is suitable for producing relieving of excavator.

The invention relates to a preparation method and application of a black phosphorus quantum dot and titanium carbide nanosheet composite material. The preparation method comprises the following steps:mixing a single layer or a few layers of Ti3C2 nanosheets with black phosphorus quantum dots dispersed uniformly inside an organic solution, and carrying out simple technologies such as ultrasonic treatment, stirring and drying to obtain the black phosphorus quantum dot and titanium carbide (BPQDs/Ti3C2) nanosheet composite material. The BPQDs/Ti3C2 nanosheet composite material coated on a coppersheet is taken as a working electrode of an energy battery, metal foils are taken as a counter electrode and a reference electrode, a glass microfiber filter membrane is taken as a diaphragm, an organic solution is taken as an electrolyte, and a button battery is assembled inside a glove box filled with high-purity argon. The product can serve as a two-dimensional electrode material, is widely applied to the energy field such as lithium ion batteries, and has excellent charge/discharge performance and cycling stability.

The invention relates to novel WC-Cr3C2-Ni thermal spraying powder and a preparation process thereof. The WC-Cr3C2-Ni thermal spraying powder consists of the following raw materials in percentage by mass: 73 mass percent of tungsten carbide with two kinds of particle sizes, 19.5 mass percent of chromium carbide, 7 mass percent of nickel, and 0.5 percent of trace titanium carbide served as a grain inhibitor, wherein the tungsten carbide in the raw materials is formed by mixing the following raw materials in percentage by mass: 22 to 51 mass percent of nano tungsten carbide with 0.05 to 0.2 micrometer of particle size and 22 to 51 mass percent of medium-grain tungsten carbide with 2.0 and 8.0 micrometers of particle size in certain proportions. The invention also relates to a corresponding preparation process. According to the WC-Cr3C2-Ni thermal spraying powder and the preparation process, related performance of coatings subjected to the thermal spraying can be improved, and the coatings have high abrasive resistance, high-temperature oxidation resistance and higher toughness.

The invention discloses a super-fine cemented carbide coating powder and process of preparation thereof. Super-fine hard-phase carbonization tungsten in the cemented carbide coating powder and other carbides such as titanium carbide, tantalum carbide, niobium carbide, vanadium carbide and/or chromium carbide are composed around by cobalt-phase ultra-fine powder particles. Karl Fischer's mean particle size of the super-fine cemented carbide coating powder is <=1 mu m. The super-fine tungsten carbide of the invention is put into the liquor of water-soluble metal cobalt-salt after being activated and dispersed with other hard-phase of carbide powder, the super-fine carbide powder and other hard-phase of carbide powder are taken as the core, chemical coprecipitation coating is employed in the reaction, and a uniform cobalt carbonate or cobalt hydroxide inhibitory coating is formed on the surface of the tungsten carbide powder and other hard-phase of carbide powder. The coprecipitation coating powder can be made into the super-fine cemented carbide coating powder by filtering, washing, and drying and low temperature reduction. The invention has the advantages of simple technique and low cost, which can take place the existing cemented carbide wet grinding mixture and the preparation method. High quality super-fine cemented carbide can be prepared by utilizing the powder of the invention.

The invention relates to a titanium carbide/polyaniline composite material and a preparation method thereof. The preparation method comprises the following steps: firstly, adding a two-dimensional layered nano material MXene-Ti3C2 into a hydrochloric acid solution, and uniformly dispersing to obtain a Ti3C2 mixed solution; then adding aniline into the Ti3C2 mixed solution, and uniformly dispersing to obtain a mixed solution, wherein the ratio of the aniline to the two-dimensional layered nano material MXene-Ti3C2 is (0.1 to 0.3)mL to (100 to 600)mg; at 0 to 5 DEG C, adding a catalyst into a mixed solution A drop by drop, carrying out stirring polymerization till the mixed solution is gradually changed from a transparent solution into a uniform black solution, and carrying out washing and drying to obtain the titanium carbide/polyaniline composite material. According to the preparation method, by low temperature stirring treatment at 0 to 5 DEG C, the PANI/Ti3C2 composite material is prepared, and the problem that Ti3C2 is easy to oxidize at high temperature is improved, and the composite material with a uniform load can be obtained.

The invention belongs to the field of titanium smelting, and particularly relates to a method for quick reduction smelting of titaniferous furnace slag. The technical problems that in an existing titaniferous furnace slag reduction method, the smelting warm-up time is long, the time spent in adding reducing agents is long, the reducing agents and smelting slag are mixed unevenly, the smelting period is long, the transformation rate that titanic oxide is transformed into titanium carbide is low, and electric consumption is high are solved. According to the scheme for solving the technical problems, the method for quick reduction smelting of the titaniferous furnace slag comprises the following steps that a, a reducing agent and hot titaniferous furnace slag just discharged out of a furnace are mixed and then added into a reduction furnace together, and pre-reduction is carried out at the temperature of 1,500 DEG C-1,650 DEG C; b, after pre-reduction, temperature is raised to 1,600 DEG C-1,750 DEG C, the reducing agent is replenished, and high-temperature reduction smelting is further carried out; and c, after smelting is finished, heating is stopped, slag is discharged, and titanium carbide furnace slag is obtained. According to the method, in the whole process, heat losses are small, the reduction reaction is fast, time is short, and energy consumption is low.

The invention provides a flaky titanium carbide-loaded manganese dioxide composite material, which is mainly applied to a super capacitor electrode material, and belongs to the field of composite materials and the technical field of super capacitors. With Ti<3>AlC<2> powder as a raw material, Ti<3>C<2>T<x> with a two-dimensional flaky structure is formed after Al is etched away through HF; and in-situ growth is carried out on a two-dimensional layered titanium carbide surface by potassium permanganate and the Ti<3>C<2>T<x>, thereby obtaining the composite material loaded with a manganese dioxide thin film and a few of manganese dioxide particles on the flaky titanium carbide surface. The composite material is excellent in capacitive performance; the measured specific capacity can reach 256F/g in 0.5M K<2>SO<4> electrolyte; the specific capacity retention rate reaches 92% after 1,000 cycles; and meanwhile, an AC impedance test demonstrates that the material is extremely low in impedance, has the advantages of good safety, high reliability, sufficient energy and the like and has a broad commercial application prospect.

The invention discloses in-situ preparation of a wear-resistant self-lubricating composite material coating on the surface of a titanium alloy by laser cladding. The coating is formed by uniformly distributing a hard ceramic wear-resistant phase of titanium carbide and a metal ceramic self-lubricating phase of titanium aluminum carbide with low friction coefficient on a titanium substrate. Titanium carbide and titanium aluminum carbide in the coating are generated in situ, so that the compatibility of reinforcing particles and the substrate is good, the pollution problem caused by externally adding the reinforcing particles and the interface reaction problem of the reinforcing particles and the substrate are avoided, the interface bonding of a reinforcement and the substrate is good, and the reinforcing particles and the substrate are thermodynamically stable, and moreover, the metal ceramic of titanium aluminum carbide is lower than the conventional solid lubricant particles in friction coefficient and better than the conventional solid lubricant particles in self-lubricating property. The wear-resistant self-lubricating composite material coating is prepared in situ on the surface of the titanium alloy by adopting a laser cladding process, so that the operating process is simple, convenient and feasible, the energy consumption and the production cost can be lowered, and the wear-resistant self-lubricating coating is excellent in performance.