47results about How to "Improve plastic deformation ability" patented technology

The invention provides a preparation method of a micro TiAl alloy wire, and relates to the technical field of TiAl alloy preparation. The preparation method comprises the steps of raw material selection and treatment of a wire material, raw material twisting of the wire material, continuous warm drawing of a primary TiAl composite stranded wire, twisting of the primary TiAl composite wire, continuous warm drawing of a secondary TiAl composite stranded wire, repeated warm drawing of the TiAl composite wire, continuous extrusion of the TiAl wire and diffusion homogenization of the TiAl alloy wire which are sequentially carried out. According to the preparation method, the TiAl alloy wire with uniformly distributed components can be directly prepared at a lower temperature by combining multiple wire twisting, multiple continuous hot drawing and final diffusion homogenization annealing, the high-temperature melting process is effectively avoided, the components and the diameter of the TiAl alloy wire can be designed according to the requirements of the target TiAl alloy wire for the passes in the preparation and extrusion process of the TiAl composite wire, and the preparation process of the TiAl alloy wire is simplified. The method is high in flexibility, simple to operate, wide in application, low in cost and very suitable for large-scale industrial production.

The invention discloses an asynchronous rolling process method of a high-strength and high-toughness Al-Cu-Mg-Ag alloy plate, which comprises the following steps: carrying out multi-pass asynchronous hot rolling on an Al-Cu-Mg-Ag alloy ingot to obtain a hot-rolled plate, carrying out annealing treatment on the hot-rolled plate to obtain an annealed part, and carrying out multi-pass asynchronous cold rolling on the annealed part to obtain a cold-rolled plate, and finally, the cold-rolled plate is sequentially subjected to solution treatment and aging treatment, and the high-strength and high-toughness Al-Cu-Mg-Ag alloy plate is obtained. According to the method, the initial cast ingot is directly subjected to asynchronous rolling forming, the morphology of a primary phase is remarkably improved, the content of Cu atoms in an aluminum solid solution is increased, the microstructure is regulated and controlled through plastic deformation and heat treatment process adjustment, and then the strength of the alloy plate is remarkably improved.

The invention discloses a method for preparing a surface high-entropy metallization layer based on Joule thermal shock to assist brazing of a large-size ceramic matrix composite and a niobium joint, and belongs to the field of brazing. The method aims at solving the problem that the residual stress of existing brazing connection of the C / SiC composite material and niobium is too large. The method comprises the following steps: 1, coating alloy mixed liquid; 2, carrying out high-entropy alloying on the surface of the C / SiC composite material; 3, assembling a to-be-welded part; and 4, vacuum brazing. The method is used for preparing the surface high-entropy metallization layer based on Joule thermal shock to assist brazing of the large-size ceramic matrix composite and the niobium joint.

The invention provides a PBO chopped fiber reinforced aluminum matrix composite and a preparation method thereof, and belongs to the technical field of metal matrix composites.The preparation method comprises the steps that firstly, fibers are subjected to ultrasonic dispersion; 2, ball milling and powder mixing; step 3, spark plasma sintering; and 4, follow-up high-temperature annealing is conducted, the prepared PBO chopped fiber reinforced aluminum-based composite material is composed of a PBO chopped fiber reinforced body and an aluminum matrix, the composite material is high in density, the maximum tensile yield strength, the maximum tensile strength and the maximum bending strength all meet the high standard, in addition, the composite material further has the good plastic deformation capacity, and on the whole, the composite material has the good mechanical property. The composite material has outstanding comprehensive mechanical properties. In addition, the preparation process of the composite material is simple, rapid preparation of the PBO chopped fiber reinforced aluminum-based composite material can be achieved, and engineering application of the composite material can be promoted.

The invention relates to the field of thin film materials, and provides a patterned low-internal-stress high-reflection layer and a preparation method and application thereof, and the high-reflection layer comprises an n (Si / Ni) layer, a Cr layer, a cap layer and a patterned reflection layer which are sequentially located on a gamma-Al2O3 substrate from bottom to top; the n (Si / Ni) layer is formed by alternately depositing a Si layer and a Ni layer for n periods, and the alternating period n is 30-60; the average thickness of the Si layer is 15-40 nm, the average thickness of the Ni layer is 3-8 nm, and the ratio of the average thickness of the Si layer to the average thickness of the Ni layer is 5: 1; the lowest layer of the n (Si / Ni) layer is a Si layer and is connected with the gamma-Al2O3 substrate, and the uppermost layer is a Ni layer. The multilayer composite structure design is adopted, high reflectivity, low internal stress, low defect density and chemical stability are achieved, the problems that a traditional high-reflection layer is large in internal stress, large in defect density and the like are solved, and the method can be applied to the fields of photoetching masks, optical imaging and sensors.

The invention discloses a uranium dioxide pellet and a preparation method thereof. The uranium dioxide pellet is prepared from the following raw materials in percentage by mass: 0.1-0.3 wt% of a pore forming agent, 0.1-0.3 wt% of a lubricant, 0.03-0.15 wt% of an additive A, 12-15 wt% of an additive B and the balance of uranium dioxide, the additive A comprises at least one metal oxide, metal elements in the metal oxide are IVB group, VB group, VIB group or VIIB group elements, and the additive B is triuranium octaoxide; the preparation method comprises the following steps: S1, mixing: mixing the pore-forming agent, the additive A, the additive B and uranium dioxide; s2, granulating: pressing for the first time, sieving with a screen, and then adding a lubricant for mixing; s3, forming, wherein secondary pressing is conducted; and S4, sintering: sintering the green body in a certain sintering atmosphere at a certain sintering temperature. According to the method, the situation that the average grain size of the uranium dioxide pellet is too large is avoided, the high-temperature plastic deformation capacity of the uranium dioxide pellet is improved, and the fuel failure risk caused by the PCI effect can be effectively reduced.

The invention discloses ultrahigh-plasticity hot-rolled austenitic stainless steel and a preparation method thereof, and belongs to the technical field of austenitic stainless steel production and manufacturing. The preparation method comprises the following steps: smelting and pouring according to a certain mass percent of chemical components to obtain a steel billet, homogenizing the steel billet, and forging the steel billet into a square billet; performing multi-pass hot rolling on the square billet to obtain a hot-rolled plate, performing interrupted solution treatment on the hot-rolled plate, and performing water cooling to room temperature; by controlling element selection of C, Cr, Mn, Ni and N and cooperating with a multi-pass hot rolling-solid solution interruption preparation method, an austenite structure after complete recrystallization is regulated and controlled firstly, then part of austenite is recrystallized again through low-temperature solid solution, and high mechanical stability and excellent strong plasticity are obtained based on two recrystallization behaviors.

The invention provides a preparation method of a high-damping titanium alloy ultrafine wire difficult to machine and deform. The preparation method comprises the following steps: (1) smelting a cast ingot; (2) homogenization treatment; (3) forging treatment; (4) groove rolling; (5) cold drawing processing; and (6) annealing treatment. The high-oxygen-content damping titanium alloy is reasonable in conception, and the machining deformation capacity of the high-oxygen-content damping titanium alloy is improved through a component micro-control and heterogeneous structure toughening technology; and by combining the traditional preparation and processing technology of the titanium alloy wire, the difficulty and threshold of material preparation are reduced, the problem of preparation and processing of the high-oxygen-content damping titanium alloy ultrafine wire is solved, and the method is suitable for large-scale production, popularization and application of fasteners, elastic components and the like.

The application belongs to the technical field of metal glass film preparation, and specifically discloses a high-strength and high-toughness nano-multilayer metal glass with gradient component design and a preparation method thereof. The high-strength and high-toughness nano-multilayer metal glass comprises periodically repeated gradient unit structures, each of which is stacked by six component layers; wherein, along the deposition direction from bottom to top, the atomic percentage of Cu in each component layer first decreases and then increases, and the atomic percentage of Ta first increases and then decreases. The application overcomes the shortcomings of the existing metal glass, which has high strength but low toughness, and greatly improves the plastic deformation capacity of the metal glass through the unique gradient structure design and the corrugated interface formed by high deposition gas pressure.

The application discloses a magnesium-based composite material and a preparation method and application thereof. The magnesium-based composite material comprises ferroferric oxide and a magnesium alloy. The magnesium alloy comprises the following components in percentage by weight: 3wt.%-6wt.% of Zn, 0.3wt.%-0.8wt.% of Ca, and the rest of Mg and inevitable impurities. The magnesium-based composite material can effectively solve the problem that micron-sized particles are easy to agglomerate in a metal liquid when the magnesium alloy is modified, and the plasticity of the alloy is reduced and the alloy is not easy to be formed.

The application discloses a graphene modified aluminum-based composite plate and a preparation method thereof, which comprises the following components in terms of mass ratio: aluminum alloy: ceramic: alkyl magnesium solution: graphene = 4500-5000: 10-50: 1000: 1; the ceramic particle size is 0.05-50 mu m; the aluminum alloy particle size is 10-100 mu m; the composite plate provided by the application has a tensile strength of up to 512 MPa, a yield strength of up to 407 MPa, and a corrosion rate of only 0.9 g / m 2 d, and the preparation method is simple and efficient.

The present invention discloses a neutron and gamma ray integrated aluminum-based nuclear shielding material, which includes the following components in mass percentage: 1% to 10% boron carbide, 5% to 30% high entropy alloy powder, and 60% to 94% aluminum alloy powder; the present invention also discloses a method for preparing the aluminum-based nuclear shielding material: step 1, mixing boron carbide, high entropy alloy powder and aluminum alloy powder and then ball milling; step 2, crushing; step 3, cold pressing and hot pressing sintering; step 4, hot rolling and solid solution aging heat treatment. The present invention introduces high entropy alloy powder to improve the gamma ray shielding efficiency and mechanical properties of the aluminum-based nuclear shielding material, thereby obtaining a neutron and gamma ray integrated aluminum-based nuclear shielding material with high shielding efficiency and excellent comprehensive mechanical properties, which is suitable for technical fields such as small reactors, mobile reactors and nuclear submarines.

The invention discloses an ultra-fine copper wire and a production method thereof, and belongs to the technical field of copper wire production. The production method of the ultra-fine copper wire comprises the following steps: (1) continuously casting and rolling a copper rod, namely melting an electrolytic copper plate, deslagging and purifying to obtain a copper solution, continuously casting the copper solution to obtain a casting blank, and continuously rolling, acid-free cleaning and waxing the casting blank to obtain the copper rod; (2) continuous drawing and on-line annealing: the copper rod is subjected to multi-pass continuous drawing, in the drawing process, large drawing is carried out firstly, then medium drawing is carried out, on-line continuous annealing is carried out while medium drawing is carried out, and then small drawing is carried out, so that a small-drawn copper wire is obtained; and (3) micro-drawing and annealing are conducted, specifically, the small-drawn copper wire is subjected to micro-drawing till the average diameter is 0.03-0.05 mm, then annealing is conducted, and the ultra-fine copper wire is obtained. The ultra-fine copper wire obtained by adopting the production method provided by the invention is large in weight and large in elongation rate when being broken for the first time.

A laser-assisted rivet-free riveting method of composite and metal materials, first, the composite material is stacked on the metal material to complete the laser ring cutting of the composite material through the annular laser to form regular through holes; then the connecting plate is pre-tightened by pressing the concave die; under the forming force of the convex die upward movement, the metal material is plastically deformed and rivet-free riveting is formed at the hole cutting part of the composite material; the waste cutting is collected under the condition of not completely opening the riveting die by opening the concave die outer cylinder in sections. The present application utilizes the difference in the absorption capacity of resin-based composite and metal materials for specific laser waveband laser energy, realizes the continuous process of laser cutting composite and metal material plastic deformation, and further realizes the rivet-free riveting of composite and metal materials without pre-punching, which is suitable for the connection of composite and metal materials with different resin materials as the matrix, and the connection head can have a certain tensile strength.

The invention belongs to the technical field of high-entropy alloys, and discloses a Laves phase enhanced wear-resistant high-entropy alloy and a preparation method thereof. The wear-resistant high-entropy alloy is prepared from the following element components in percentage by atomic mass: 23% to 23.375% of Fe, 23% to 23.375% of Co, 23% to 23.375% of Ni, 23% to 23.375% of V and 6.5% to 8% of Hf, and the total percentage is 100%. The organization structure of the wear-resistant high-entropy alloy is a face-centered cubic structure FCC phase and Laves phase coexisting double-phase structure. The wear-resistant high-entropy alloy prepared by the invention is uniform in component distribution and relatively high in density; the wear-resistant high-entropy alloy has a eutectic structure in which an FCC phase and a Laves phase coexist, so that the wear-resistant high-entropy alloy prepared by the preparation method has relatively low friction coefficient and grinding crack width and good friction and wear properties.

The present invention relates to the field of thin film materials, and provides a patterned low internal stress high reflective layer and a preparation method and application thereof, wherein the high reflective layer comprises γ-Al 2 O 3 n(Si / Ni) layer, Cr layer, cap layer, and patterned reflective layer on the substrate; the n(Si / Ni) layer is composed of n cycles of Si layer and Ni layer alternately deposited, and the alternating cycle n is 30-60; the average thickness of the Si layer is 15-40nm, the average thickness of the Ni layer is 3-8nm, and the average thickness ratio of the Si layer to the Ni layer is 5:1; the bottom layer of the n(Si / Ni) layer is a Si layer and is adjacent to the γ-Al 2 O 3 The substrate is connected, and the top layer is a Ni layer. The present invention adopts a multi-layer composite structure design to achieve high reflectivity, low internal stress, low defect density and chemical stability, solving the problems of high internal stress and high defect density in traditional high reflective layers, and can be applied to photolithography masks, optical imaging and sensor fields.

The invention belongs to the field of material science and engineering, and particularly relates to a magnesium alloy with high strength and plasticity and high creep property in a wide temperature range and a preparation method. According to the method, the requirements of the magnesium alloy for high-strength plasticity and high creep property in a wide temperature range of-180 DEG C to 200 DEG C can be met; the magnesium alloy prepared by the method comprises a multi-scale mixed crystal structure of micron grains and stable ultra-fine grains; the material provided by the method (in a stress interval within 200MPa and a temperature interval below 200DEG C) shows creep resistance far higher than that of magnesium alloys in a common as-cast state, a heat treatment state and a common deformation treatment state, so that the application of the magnesium alloy in a creep-resistant structural member is expanded, and the creep-resistant performance of the magnesium alloy is improved. And meanwhile, the instant mechanical properties at room low temperature (-180 DEG C to room temperature) show good strength and plasticity.

The invention belongs to the technical field of rare earth magnesium alloy materials, and discloses a high-strength and high-plasticity rare earth magnesium alloy deformed material which is prepared from the following raw materials in percentage by mass: 8-9.5% of Gd, 3-4.5% of Y, 2-3.5% of Zn, 0.4-0.6% of Zr, 0.3-0.6% of Ca and the balance of Mg. The invention further discloses a preparation method of the magnesium alloy deformed material. The preparation method comprises the steps of smelting and casting, homogenizing treatment, variable-speed isothermal extrusion treatment, aging treatment and the like. By adding the Ca element and adjusting the proportion of all metal elements in the alloy, the magnesium alloy deformed material shows excellent comprehensive mechanical properties, the yield strength is 416 MPa-420 MPa, the tensile strength is 471 MPa-477 MPa, and the ductility is 13.0%-13.7%.

The application discloses an ultra-thin degradable Fe-Se alloy stent and a preparation method thereof. Fe particles and Fe-Se intermediate alloy powder are taken, Fe-Se ingots are obtained through smelting, the Fe-Se ingots are poured into a mold after being melted, Fe-Se rod materials are obtained, annealing treatment is conducted on the Fe-Se rod materials, annealed rod blanks are obtained, the annealed rod blanks are extruded to obtain extruded rod blanks, the extruded rod blanks are drawn in multiple passes to obtain Fe-Se tubular materials, and the Fe-Se tubular materials are processed to obtain the Fe-Se alloy stent. The Fe-Se alloy stent provided by the application has excellent mechanical properties and good degradation performance.

The invention discloses a surface coating process of a main shaft for a numerical control machine tool, and relates to the technical field of coating of main shafts of numerical control machine tools, and the surface coating process comprises the following steps: carrying out soft sand blasting on the main shaft, fixing the main shaft on a sand blasting table, carrying out 0.2 MPa low-pressure sand blasting for 3 minutes by using modified starch microspheres as a sand blasting medium, and cleaning the surface of the main shaft by using deionized water at 60 DEG C, fixing the main shaft in a suspension manner by using an elastic polyurethane clamp, putting the main shaft into a PVD vacuum coating chamber, and mounting a composite target material, a chromium target and a high-purity graphite target; modified starch microspheres are used as a soft sand blasting abrasive material, a soft matrix of the modified starch microspheres has excellent elasticity and plastic deformation capacity, the surface texture consistency of the spindle is guaranteed, and matrix microcracks and precision damage caused by a traditional hard abrasive material are avoided; by using the composite target material, a composite ceramic phase formed by nuclear phase zirconium dioxide and titanium dioxide has high hardness and excellent toughness, and the impact resistance of a subsequent coating can be enhanced through a stress buffer effect.

The invention relates to an ultrathin-wall alloy pipe and a preparation method and application thereof.According to the ultrathin-wall alloy pipe and the preparation method and application thereof, B, Mg and P are added into a common copper-based alloy, the plastic deformation capacity of the copper-based alloy can be improved through compounding of the B, Mg and P, and in order to avoid the situation that a copper pipe is prone to being snapped after being subjected to duplex drawing and disc drawing treatment, after a pipe blank is obtained, the pipe blank is subjected to heat treatment, according to the method, the on-line annealing step of specific current is carried out, and the outer die with a smaller angle and a shorter fixed diameter length and the floating core head with a shorter fixed diameter length are selected in the drawing treatment after annealing, so that the tensile resistance is reduced while the dimensional precision is ensured. According to the preparation method, the copper pipe with the wall thickness of 0.05-0.10 mm can be produced, the product percent of pass is high, and the preparation method has actual machining value.

A kind of head elbow mechanism, including first mounting seat, rotating platform, swing seat, heating cylinder, first mobile seat, second mobile seat, elbow seat, elbow assembly, pipe clamp assembly, pipe cutting assembly, first drive part, second drive part, third drive part, fourth drive part and cooling assembly;Rotating platform is installed in first mounting seat, swing seat is installed in the output end of rotating platform, and third drive part is used to drive swing seat swing by rotating platform;First mobile seat can be left and right movable installation in swing seat, second mobile seat can be forward and backward movable installation in first mobile seat, elbow seat is installed in second mobile seat, elbow assembly can swing installation in elbow seat, and fourth drive part is used to drive elbow assembly swing.The utility model discloses a kind of head elbow mechanism according to above-mentioned content, solve the problem that existing technology in elbow equipment cannot be adapted to different pipe diameter pipe material processing, only single plane can be realized in elbow processing, and the problems of low processing efficiency and unstable forming quality.

The present application discloses a primate radio frequency coil device for a clinical ultra-high field magnetic resonance system, comprising: an animal fixing seat for fixing the animal to be tested, a helmet-type receiving coil support shell connected to the action fixing seat through a universal connecting rod and capable of being worn on the head of the animal to be tested, a radio frequency receiving coil arranged in the receiving coil support shell, a transmitting coil support shell connected to the action fixing seat through a universal connecting rod and having a circular ring structure, and a radio frequency transmitting coil arranged in the transmitting coil support shell. The position and angle of the radio frequency transmitting coil and the radio frequency receiving coil in the device can be easily adjusted as needed, so that the region of interest is in the position with the best uniformity of the transmitting field, solving the problem of inherent non-uniformity of the radio frequency transmitting field in clinical ultra-high field magnetic resonance imaging applications, and effectively improving the accuracy of medical images in the region of interest.

The invention relates to the technical field of magnesium / aluminum layered composite materials, in particular to a copper foil reinforced magnesium / aluminum composite plate and a preparation process thereof. The preparation process comprises the following steps: respectively carrying out heat preservation heat treatment on a magnesium plate, an aluminum plate and a copper foil at different temperatures, then stacking the magnesium plate, the aluminum plate and the copper foil after the heat preservation heat treatment according to an aluminum plate / copper foil / magnesium plate / copper foil / aluminum plate sequence, and immediately carrying out differential temperature rolling forming to form a magnesium / aluminum composite plate blank; and carrying out multi-pass hot rolling on the magnesium / aluminum composite plate blank to form the magnesium / aluminum composite plate. According to the method, the ultrathin copper foil is introduced into the interface, and differential temperature rolling and multi-pass hot rolling are combined, so that the interface bonding performance and the comprehensive mechanical performance of the magnesium / aluminum composite plate are effectively improved.

The invention discloses a method for preparing a high-density nanophase magnesium alloy material, and the method specifically comprises the following steps: step 1, firstly carrying out precise batching, heating pure Mg until the pure Mg is molten, adding pure Zn, an Mg-Ca intermediate alloy and an Mg-Nd intermediate alloy after the pure Mg is molten, and simultaneously introducing inert protective gas; 2, the melt obtained in the step 1 is heated to be completely melted, then heat preservation and standing are conducted, and a magnesium alloy melt is obtained; 3, the magnesium alloy melt obtained in the step 2 is poured into a preheated mold to be formed, and a magnesium alloy ingot is obtained after cooling; 4, the magnesium alloy ingot obtained in the step 3 is heated and homogenized; 5, the magnesium alloy treated in the step 4 is extruded; 6, the magnesium alloy treated in the step 5 is subjected to heat treatment, and pre-compression deformation treatment is conducted; and 7, the magnesium alloy obtained in the step 6 is subjected to heat treatment, and the magnesium alloy material is obtained.

The present application discloses a high-fitting helmet-type primate magnetic resonance experiment radio frequency coil device, comprising: an animal fixing seat for fixing the animal to be tested, a helmet-type coil support shell connected to the animal fixing seat through a universal connecting rod and capable of being worn on the head of the animal to be tested, a radio frequency receiving coil arranged inside the coil support shell, and a signal wire connected to the radio frequency receiving coil circuit and extending outside the coil support shell. Regardless of the angle at which the head of the animal to be tested is fixed, the radio frequency receiving coil in the device can be arranged close to the scalp of the animal to be tested, thereby improving the signal-to-noise ratio of signal induction reception and the quality of magnetic resonance imaging. Regardless of the angle at which the head of the animal to be tested is fixed, the radio frequency receiving coil in the device can be arranged close to the scalp of the animal to be tested, thereby improving the signal-to-noise ratio of signal induction reception and the quality of magnetic resonance imaging.

The invention discloses a composite alloy and a preparation method thereof, belongs to the technical field of metallurgical materials, and is used for solving the problems that in the prior art, in order to improve the comprehensive mechanical property of hard alloy, a large number of other metal elements are doped, so that the cost of preparing the composite alloy is obviously increased; in addition, the technical problems of adding any fluxing agent to improve the purity of the composite alloy and simplifying the preparation process are urgently solved. The composite alloy comprises a component A and a component B, the component A comprises phosphorus, iron, chromium, nickel and molybdenum, and the component B comprises manganese, copper, titanium, calcium, magnesium, aluminum and an organic fluxing agent. And carrying out esterification reaction on the alkalized charcoal mixed solution and boric acid to obtain the organic fluxing agent. According to the prepared composite alloy, trace and various metal elements are doped, and the specific organic fluxing agent is added, so that the composite alloy with high purity and excellent comprehensive mechanical properties is prepared.

This invention discloses a welding process for high-manganese, high-alumina steel anchor chains, comprising the following steps: material preparation; ring bending; beveling; self-fusion root pass welding; filler layer welding on the front of the chain links; root cleaning; filler layer welding on the back of the chain links; and inspection. This invention uses high-manganese, high-alumina steel to manufacture the anchor chain. Due to the excellent impact resistance of high-manganese, high-alumina steel, it can effectively absorb the impact energy from the movement of engineering equipment in harsh marine environments, significantly improving the service life of the anchor chain and ensuring its safety during use. The welding process for high-manganese, high-alumina steel anchor chains provided by this invention solves many problems in the welding of high-manganese, high-alumina steel anchor chains in the prior art and is more suitable for the production of high-manganese, high-alumina steel anchor chains.

This invention discloses a method for manufacturing an electric motorcycle battery pack housing. An integrally extruded aluminum alloy profile is cut and bent to form the main frame structure of the battery pack housing. The profile has two hollow sides, enabling direct bending of the thick-walled sides. This completely eliminates the complex pre-machining and laser welding processes at bends. The hollow structure effectively absorbs and releases stress during bending, preventing cracks and wrinkles. The production process is simplified to "extrusion → cutting → bending → welding," significantly shortening the production cycle. The U-shaped splicing significantly improves the tolerance to bending angle errors, making laser welding easier to align and resulting in more consistent weld penetration. This avoids stress concentration, improves fatigue resistance, and ensures a smooth weld transition without the need for grinding.

The invention discloses an environment-friendly regenerant, a preparation method thereof and recycled asphalt. The environment-friendly regenerant comprises 100 parts of maltha; 5-15 parts of a component regulator; 5-10 parts of a plasticizer; by adjusting the component formula of the environment-friendly regenerant and cooperating with the corresponding preparation method, the regeneration effect of the environment-friendly regenerant is greatly improved.