194results about "Auxillary arrangements" patented technology

The invention relates to the technical field of metal material hot working, and discloses a hot-rolled coiled plate production process which comprises the following steps: preparing a reaction type protective agent, the high-temperature-resistant coating is prepared from the following raw materials in parts by weight: 20 to 40 parts of tetraethoxysilane, 5 to 15 parts of triethyl phosphate, 1 to 5 parts of triethyl borate, 0.5 to 2.0 parts of cerous nitrate (III) hexahydrate, 0.1 to 1.0 part of lithium acetate and 0.01 to 0.05 part of vanadyl acetylacetonate (IV). Coating the surface of a hot-rolled plate blank with the protective agent; the coated plate blank is heated in a heating furnace, so that the protective agent forms a molten-state protective layer in situ; carrying out hot rolling on the plate blank with the molten protective layer; and cooling and coiling the hot-rolled steel strip. In the whole heating and hot rolling process, the molten protective layer isolates the contact between the steel and the oxidizing atmosphere, so that the generation of oxide scales is fundamentally inhibited, the production process is simplified, and the metal yield is increased.

The invention relates to a preparation device and method of an edge type copper-lithium composite belt, and relates to the technical field of batteries. Comprising a mounting back plate, a rolling forming system, a rolling compounding system and a buffering system, the rolling forming system is mounted at the left part of the mounting back plate and is used for rolling the metal lithium strip into a convex lithium strip; the buffer system is mounted in the middle of the mounting back plate and used for caching the special-shaped lithium strip; and the rolling compound system is mounted at the right part of the mounting back plate and is used for rolling the lithium strip and the copper foil into a compound strip. Stepped compounding is achieved, full-roller rolling and compounding are changed into rolling and compounding at the step, the stress degree of the lithium strip and the composite strip is reduced, the conditions of edge wrinkling, edge cracking and the like are avoided, and the product quality and the production efficiency are improved.

The invention provides a preparation method of a composite plate with excellent interface bonding, which comprises the steps of blank surface treatment, blank assembly and plate sealing, welding, vacuumizing, heating, rolling, cooling, heat treatment and plate splitting, in the blank assembly and plate sealing steps, blanks are placed according to the sequence of base material, covering material, covering material and base material to obtain a composite blank; in the rolling step, if tcp / tsp is larger than or equal to 4, the rough rolling single-pass rolling reduction is larger than or equal to 30 mm, and the rough rolling pass is larger than or equal to 1; the single-pass rolling reduction of the first three passes of finish rolling is larger than or equal to 25 mm, and the pass of finish rolling is smaller than or equal to 7; if tcp / tsp is smaller than 4, the rough rolling single-pass rolling reduction is larger than or equal to 35 mm, and the rough rolling pass is larger than or equal to 3; the finish rolling single-pass rolling reduction is smaller than or equal to 25 mm, the finish rolling pass is smaller than or equal to 7, and the total compression ratio CR is larger than or equal to 7; tcp is the target thickness of the base material in the composite board, tsp is the target thickness of the covering material in the composite board, and the unit is mm. The rolling reduction is controlled through the target proportion of the base material and the covering material in the composite board, and combination at different thickness ratios is promoted.

A method for composite processing of metal materials includes: bringing a first surface (31) of a first plate (3) into contact with a second surface (41) of a second plate (4); placing the first plate and the second plate in a circumferential groove (13) of a first roller (1), with the third surface (42) of the second plate in contact with the bottom wall of the groove, the third surface being opposite to the second surface, and the hardness of the first plate being greater than that of the second plate; controlling the rotation of the first roller and the second roller (2) to roll-press the first plate and the second plate into a composite plate (5), wherein during the rolling process, the fourth surface (32) of the first plate is in contact with the surface of the second roller, the fourth surface being opposite to the first surface. This method for composite processing of metal materials avoids the generation of burrs and flash on the sides of the composite plate by placing the first plate and the second plate in a groove for processing.

The invention discloses a method for preparing a clad plate strip by adopting a hot continuous rolling process and the clad plate strip. The method sequentially comprises the steps of plate blank heating, rough rolling, clad blank preparation, clad rolling, controlled cooling and coiling, wherein a plate blank is subjected to surface polishing after being subjected to rough rolling and dephosphorization, then is subjected to preliminary covering and welding with a to-be-covered plate strip to form a covering blank, and then enters a finishing mill group to be subjected to covering rolling; the surface polishing of the plate blank, the preliminary covering of the to-be-covered coil and the welding are all carried out in an atmosphere protection cover, and N2, CO2 or a mixed gas of N2 and CO2 is introduced into the atmosphere protection cover; the plate blank is made of carbon steel; and the plate strip to be covered comprises titanium, copper or stainless steel. According to the invention, the hot continuous rolling process is adopted to produce the clad plate strip on line, the clad plate strip integrates the excellent characteristics of corrosion resistance, electric conduction, heat dissipation and beauty of the clad layer and high strength of the substrate, and the cost is lower and the application range is wider to the greatest extent; the product has the characteristics of corrosion resistance, good heat dissipation performance, easiness in cold forming processing, attractive appearance and no coating.

A deterioration diagnosing device of a rolling equipment machine includes an input / output data obtaining unit, a model identifying unit, a monitoring parameter calculating unit, a monitoring parameter usage determining unit, a representative value calculating unit, a representative value storage unit, and a deterioration diagnosing unit. The monitoring parameter usage determining unit includes a categorized monitoring parameter acquiring function for acquiring the monitoring parameters, so as to be classified according to categories designated depending on a rolling condition. The representative value calculating unit calculates a representative value of monitoring parameters from a predetermined time period corresponding to each of the categories. The representative value storage unit accumulates, with respect to each of the categories, the representative values over a learning period designated from a start of a monitoring process. The deterioration diagnosing unit includes a categorized deterioration determining function that determines presence / absence of deterioration with respect to each of the categories.

The application provides a high-strength and high-toughness hydrogen embrittlement resistant composite steel and a preparation method thereof. The preparation method of the composite steel comprises the following steps: obtaining a composite steel material by vacuum hot rolling of a martensitic steel and an austenitic steel in a sheath, the top layer and the bottom layer are both the martensitic steel, the middle part is the alternately stacked martensitic steel and austenitic steel, and the upper surface of the martensitic steel of the top layer and the lower surface of the martensitic steel of the bottom layer are hydrogen embrittlement resistant austenitic stainless steel. The preparation method of the application realizes a material system with high strength, high toughness and excellent hydrogen embrittlement resistance in a hydrogen-rich environment by constructing a multi-layer composite steel structure and optimizing the preparation process. The core part is high-strength martensitic hot forming steel and high-plasticity austenitic steel which are alternately compounded to form a strength and toughness synergistic structure; the upper and lower surfaces are made of low-cost hydrogen embrittlement resistant austenitic stainless steel, which effectively prevents hydrogen atoms from penetrating and inhibits crack propagation, and overcomes the mutual restriction among strength, toughness and hydrogen embrittlement resistance of single metal material.

The roll condition monitoring device is provided with: a rolling load detecting mechanism configured to detect a rolling load signal of a monitoring object roll selected from among an upper roll set including at least one roll and a lower roll set including at least one roll, in a case where a roll material is rolled between the upper roll set and the lower roll set; a signal extracting mechanism configured to extract a rolling load high frequency signal having a frequency of a predetermined prescribed frequency or more from the rolling load signal; and a roll condition determining mechanism configured to determine a condition of the monitoring object roll based on a test result of a statistical test method for a plurality of rolling load values included in the rolling load high frequency signal.

A rolling cassette (10) for rolling a metal wire (100) comprises a body (11) equipped with a structural frame (12) and defining a cavity inside it to house a plurality of rolling rolls cooperating with each other to deform the metal wire (100). The rolling cassette (10) comprises a lubrication system to lubricate both the metal wire (100) and also the mechanical members on which the rolling rolls are mounted with a lubricating agent.

The application discloses a graphite cladding device for an inflation evaporator aluminum plate inflation pipeline, which comprises an oven, a clamping assembly, a turnover assembly, a pushing assembly, a rotating assembly, a positioning assembly and a cladding assembly. The oven is used for drying and transmitting the first and second raw aluminum plates in sequence to the rotating assembly. The rotating assembly comprises a rotating roller, one side of the rotating roller is provided with a follow-up roller, and the two ends of the rotating roller are fixedly connected with inclined baffles. The follow-up roller rotates around the rotating roller as an axis to form state one and state two. The side of the rotating roller away from the oven is provided with a driving roller. The follow-up roller and the driving roller are on the same vertical line when in state one. The pushing assembly is arranged on the lower side of the rotating assembly. The first raw aluminum plate after drying first contacts the inclined surface of the inclined baffle in state one and moves to fall on the pushing assembly. The application realizes the automatic cladding function conveniently and efficiently.

The present invention provides a method for manufacturing metal products that can produce metal products that can ensure the desired performance. [Solution] A method for manufacturing a metal product includes a groove forming step of forming a plurality of grooves 3 by cutting the electrode material 2 in a metal body 10 having a resistive material 1 and an electrode material 2 laminated on the resistive material 1; a rolling step of rolling the metal body 10 with shape-retaining members 4 provided in each of the plurality of grooves 3; and a shape-retaining member removal step of removing the shape-retaining members 4 after the rolling step.

The present invention relates to a method for providing backup rolls and / or inserts (1) for work rolls of a roll stand required during roll change. In order to simplify the logistics during the replacement of the rolls of the roll stand, particularly the backup rolls, and to shorten the replacement time, the method comprises: a) assembling at least one insert (1), preferably at least two or three inserts (1), into an insert pack (2) at a first position remote from the roll stand; b) moving the insert pack (2) to a carrier element (3) at the first position; c) transporting the carrier element (3) together with the insert pack (2) from the first position to a position near the roll stand; d) removing the insert pack (2) from the carrier element (3) at the position near the roll stand; and e) using the insert (1) during roll change. Furthermore, the present invention relates to an apparatus therefor.

This invention relates to the technical field of composite material preparation, specifically to a method for preparing a diamond particle uniformly reinforced copper-based composite material. The steps are as follows: diamond particles are uniformly coated onto the surface of a pure copper sheet, and uncoated pure copper sheets are stacked and rolled; after each rolling pass, the copper sheet is folded in half and then rolled again; the resulting sample is hydraulically compressed to a certain deformation, wherein the hydraulic compression direction is perpendicular to the rolling direction; the resulting sample is hot-rolled at a certain temperature, then cooled to room temperature, and the above steps are repeated multiple times. The sample after the final cooling is taken, and surface impurities are removed to obtain the diamond particle uniformly reinforced copper-based composite material. The diamond particle uniformly reinforced copper-based composite material prepared by this invention is dense, has good interfacial bonding, and the diamond particles are uniformly distributed in the matrix. It exhibits good thermal conductivity and a low coefficient of thermal expansion, showing promising application prospects in the field of electronic packaging materials.

The application belongs to the field of rolling of composite plates, and particularly relates to a large-thickness-ratio magnesium / titanium composite plate ultrasonic-assisted interface micro-melt warm rolling composite method, which comprises the following steps: S3, installing an upper roller heating device above the upper roller and a lower roller heating device below the lower roller, starting the upper roller heating device and the lower roller heating device to respectively rotate and heat the upper roller and the lower roller, starting a rolling mill to make the upper roller and the lower roller rotate at a speed of 1.8-2.4 r / s, making the upper roller and the lower roller have uniform temperature in the circumferential direction, and starting the rolling of the composite plate blank after the upper roller and the lower roller are heated to the specified temperature respectively; the upper roller heating device and the lower roller heating device are used to heat the upper roller and the lower roller respectively, so that the upper roller and the lower roller have a certain temperature, and the temperature of the composite plate blank is prevented from being reduced due to heat dissipation of the upper roller and the lower roller in the rolling deformation area during the rolling of the composite plate, so that the composite forming of the composite plate blank is affected.

This invention discloses a stainless steel clad steel plate for bridge structures and a method for manufacturing the same. In the above method, the plate is assembled using an upper carbon steel material A, a lower carbon steel material B, at least two stainless steel clad materials as an intermediate layer, and four sealing materials surrounding the four sides of the intermediate layer. Circular through holes are provided in the sealing materials, and steel pipes are welded into the through holes. A cavity is left around the steel pipes during build-up welding. After vacuum drawing, the steel pipes are folded into the remaining cavity, and then welded to seal the steel pipes within the cavity. The first n passes in the entire rolling process are widthwise rolling, followed by longitudinal rolling. After the nth pass and after the n+2th pass, the material is water-cooled once in a reciprocating motion using six sets of headers.

The invention provides a preparation method of a composite board with excellent interface bonding, which comprises the following steps: if the processing and using temperature of the composite board is less than or equal to 200 DEG C, polishing one side surface of a base material blank until the roughness is 0.02 T + 0.05 t + 0.5 CR <-5 >-0.02 T + 0.05 t + 0.5 CR, T is a preset heat treatment temperature unit of DEG C, t is a total heat treatment time unit of min, CR is a preset total compression ratio, and if multiple heat treatments are needed, T is a maximum value; if the processing and using temperature of the composite board is higher than 200 DEG C, the surface of one side of the base material blank is polished into a wave shape, the vertical distance between the wave crests and the wave troughs is 0.1 T-85-0.1 T-80, the unit is mm, the horizontal distance between the wave crests is 100-12.5 lnT-110-12.5 lnT, and the unit is cm. The surface of the base material blank is subjected to different treatments through different processing use temperatures, so that the bonding strength of the base material and the covering material is guaranteed.

The invention relates to a production method of a 625 / X65 / 625 double-sided nickel base alloy layered composite plate. The production method comprises the following steps: (1) selecting an assembly raw material; (2) polishing the surface to be contacted; (3) forming a 625 / X65 / 625 composite blank; (4) end face coping; (5) carrying out lap-joint seal welding and vacuumizing; (6) heating for the first time; (7) rolling for the first time; (8) heating for the second time; (9) carrying out a second round of rolling; and (10) trimming to obtain the 625 / X65 / 625 nickel base alloy layered composite plate with the target specification. According to the 625 / X65 / 625 double-sided nickel base alloy layered composite plate produced through the method, the synchronous deformation rate of base layer metal and composite layer metal is high, the plate shape is flat, the composite interface performance is high, stability is good, compared with a 625 alloy plate, the economic cost is obviously reduced, the production process is simple, and the method is suitable for industrial large-scale production of flat plates and rolled plates.

The present application belongs to the technical field of metal layered composite material preparation, and relates to a titanium-steel composite plate and a manufacturing method thereof. The manufacturing method comprises the following steps: removing the surface oxide layer of a steel coil through shot blasting treatment, and making the surface of the treated steel coil have a specified surface roughness; coating an intermediate plating layer on the surface of the steel coil; making the rolling bonding surface of a titanium coil and the steel coil have a specified surface roughness through shot blasting treatment; preheating the steel coil and the titanium coil; performing first composite rolling on the preheated steel coil and titanium coil; heating the composite coil after the first composite rolling to a specified temperature and keeping the temperature; performing second composite rolling on the composite coil after heating and keeping the temperature; performing martensite quenching or bainite quenching by controlling the cooling speed and temperature of the composite coil after the second composite rolling; performing flattening and / or straightening treatment on the composite coil; performing tempering treatment on the flattened and / or straightened composite coil; and coiling or slitting the composite coil after the tempering treatment.

This invention discloses a method for rolling forged TiAl alloy thin plates based on a stacked structure design. The stacked structure consists of, from bottom to top, 1-Ti2AlNb alloy, 2-forged TiAl alloy, 3-Ti2AlNb alloy, 4-forged TiAl alloy, 5-Ti2AlNb alloy…2N-forged TiAl alloy, 2N+1-Ti2AlNb alloy (N is the number of forged TiAl alloys in the stacked structure, 1≤N≤4), with a composite isolation layer added between the layers. The method involves placing the stacked structure into a stainless steel cladding groove, placing the composite isolation layer on the contact surface between the cladding and the alloy, and performing a sealing weld to obtain a clad slab with the stacked structure design. By controlling process parameters such as holding time, rolling temperature, rolling speed, deformation per pass, and post-rolling stress-relief annealing, high-quality TiAl alloy thin plates with a thickness of less than 1 mm are finally obtained. Meanwhile, the above rolling process also yields high-quality Ti2AlNb alloy sheets, improving production efficiency, avoiding cracking of the sheets during rolling, and making the process simple and stable.

The preparation method specifically comprises the steps that an aluminum magnesium alloy wire and a titanium-aluminum-based shape memory alloy wire are pretreated, and an A-B-A symmetrical sandwich structure unit is prepared; the pretreated titanium-aluminum-based shape memory alloy wire is stretched through a stretching machine; pretreated aluminum-magnesium alloy is arranged between the two titanium-aluminum-based shape memory alloy wires in parallel, the edge of a port is temporarily fixed through argon arc welding, and then preheating is conducted; the aluminum magnesium alloy of the fractal layered structure is constructed, specifically, A-B-A symmetrical sandwich structure units are sequentially and repeatedly arranged in parallel or in a laminated mode, and hot rolling is conducted; and the aluminum-magnesium alloy of the fractal layered structure is subjected to air cooling, annealing and cooling. According to the high-strength corrosion-resistant aluminum magnesium alloy of the fractal layered structure, crack propagation is effectively prevented, and the strength in practical application is improved.

345MPa grade building structure hot-rolled steel plate resistant to sea wave splash zone corrosion and its manufacturing method, the hot-rolled steel plate includes base layer, corrosion resistant layer and interface transition layer between base layer and corrosion resistant layer; base layer component mass percentage is: C 0.03~0.10%, Si 0.1~0.3%, Mn 1.00~1.50%, P 0.0005~0.003%, S 0.0005~0.01%, Cr 0.02~0.2%, Ni 0.01~0.1%, Cu 0.002~0.020%, Al 0.015~0.03%, Ti 0.008~0.018%, Nb 0.02~0.065%, N 0.0005~0.005%, the balance includes Fe and inevitable impurities; the corrosion resistant layer uses industrial pure titanium.The building structure hot-rolled steel plate of the application has yield strength ≥350MPa, tensile strength ≥490MPa, yield ratio is 0.71~0.80, impact energy at-40 DEG C is ≥190J, sea wave splash corrosion rate is ≤0.006mm / year, interface transition layer thickness is ≤10 μm, interface shear strength is ≥252MPa.

The present application discloses a thin gauge 9Ni steel plate and its production method. The production method comprises: firstly heating continuous casting billet, then opening the billet into a large slab of 4.5t-10t; cutting, stacking and welding the obtained large slab into a composite billet; heating the composite billet, preheating temperature 750-850℃, heating rate 20-30℃ / min; heating temperature 1100-1200℃, heating rate 30-50℃ / min; soaking temperature 1150-1200℃; two-stage rolling, one-stage opening rolling temperature 1050-1090℃, two-stage opening rolling temperature T fr ±10℃, final rolling temperature T fr ±18℃; water cooling, water inlet temperature T fc ±15℃; after tempering, dividing the slab, tempering temperature 540-580℃, obtaining 9Ni steel plate with thickness below 8mm. Not only the high strength and high low temperature toughness are ensured, but also the yield ratio is reduced.

390MPa grade hot-rolled steel plate for building structure resisting sea-spray corrosion and its manufacturing method, the hot-rolled steel plate comprises a base layer, a corrosion-resistant layer and an interface transition layer between the base layer and the corrosion-resistant layer; the base layer has the following components by mass percentage: C 0.03-0.10%, Si 0.1-0.3%, Mn 1.00-1.50%, P 0.0005-0.003%, S 0.0005-0.01%, Cr 0.02-0.15%, Ni 0.01-0.1%, Cu 0.002-0.020%, Al 0.015-0.03%, Ti 0.008-0.012%, Nb 0.02-0.045%, N 0.0005-0.005%, and the balance contains Fe and inevitable impurities; the corrosion-resistant layer is made of industrial pure titanium.The yield strength of the hot-rolled steel plate for building structure is greater than or equal to 390MPa, the tensile strength is greater than or equal to 515MPa, the yield strength ratio is less than or equal to 0.75, the impact energy at-40℃ is greater than or equal to 190J, the sea-spray corrosion rate is less than or equal to 0.006mm / year, the interface transition layer thickness is less than or equal to 10μm, and the interface shear strength is greater than or equal to 270MPa.

The invention relates to a production method of a 625 / X65 nickel-based alloy laminated composite plate. The production method comprises the following steps: (1) selecting an assembly raw material; (2) polishing the surface to be contacted; (3) forming a 625 / X65 composite blank; (4) end face coping; (5) carrying out lap-joint seal welding and vacuumizing; (6) heating for the first time; (7) rolling for the first time; (8) heating for the second time; (9) carrying out a second round of rolling to obtain a 625 / X65 composite board; and (10) trimming to obtain the 625 / X65 nickel-based alloy layered composite plate with the target specification. According to the 625 / X65 nickel base alloy layered composite plate produced through the method, the synchronous deformation rate of base layer metal and composite layer metal is high, the plate shape is flat, the composite interface performance is high, stability is good, compared with a 625 alloy plate, the economic cost is obviously reduced, the production process is simple, and the method is suitable for industrial large-scale production of flat plates and rolled plates.

The invention discloses a production method of an NM450 and Q355C wear-resistant composite board. The technological process comprises the steps of compounding of continuous casting billets, heating of the composite billets, rolling of the composite billets, slow cooling of the composite boards, heat treatment of the composite boards and stokehole stack cooling cutting of the composite boards. The thickness of the produced NM450 + Q355C composite wear-resistant steel plate is 40 to 60 mm; the yield strength of the combination center position of NM450 and Q355C is larger than or equal to 900 MPa, the tensile strength is larger than or equal to 1000 MPa, and the elongation is larger than or equal to 15%. The average hardness value of the Q355C low alloy layer is greater than or equal to 340HV10, and the average hardness value of the NM450 wear-resistant layer is greater than or equal to 440HV10; the shear strength is greater than or equal to 250MPa; 100-degree and 160-degree surface bending and side bending results when D is equal to 150mm are complete and have no cracks, and the joint surface has no opening phenomenon.

The invention provides multistage layered heterogeneous composite steel as well as a preparation method and application thereof, and belongs to the field of advanced steel and iron material industry. Low-alloy steel and high-manganese steel are used as component materials to be alternately stacked and assembled, then vacuum hot rolling, heat treatment and warm rolling technologies are adopted, a fine fiber layered structure is formed in a component layer, certain dislocation and twin crystals are reserved in the high-manganese steel component layer, and the high-manganese steel component layer is formed. Further, the strength and toughness of the multi-stage layered heterogeneous composite steel are effectively improved, and the ultimate strength which is difficult to reach by a conventional hot rolling composite technology is broken through: the yield strength is greater than or equal to 1350 MPa, the ultimate tensile strength is greater than or equal to 1534 MPa, the elongation at break is not less than 25%, and meanwhile, the low-temperature pendulum impact energy at-40 DEG C is greater than or equal to 150 J; the strength and the low-temperature impact performance of the multistage layered heterogeneous composite steel are remarkably improved, and the preparation method is simple in process, high in repeatability and suitable for industrial large-scale production. The prepared multistage layered heterogeneous composite steel is suitable for safety structural parts in the fields of national defense engineering, automobiles and the like.

The present invention discloses a stainless steel clad steel plate excellent in plate shape and a manufacturing method thereof. The method includes three steps: manufacturing of the clad material, rolling of the clad material, and separation and leveling of the clad steel plate. In the step of manufacturing the clad material, three vacuum extractions and two vacuum breakages are performed on the clad material through a seamless steel pipe, and finally the vacuum degree is made 10 -2 Pa or less. In the step of rolling the clad material, intermittent cooling, leveling, and deposition cooling with two steel plates at T f -150°C to T f +150°C are performed. In the step of separating and leveling the clad steel plate, flattening is performed on a leveler, and the lateral flattening force F1 = ν × a × b × c w × σ w / (d × (ν - c w / a)), and the longitudinal flattening force F2 = a × b × c L × σ L / (d + c L ). The clad steel plate of the present invention has excellent shape and interface bonding quality, the flatness is ≤ 3 mm / m, the bonding rate of the bonding interface is 100%, the shear strength is ≥ 300 MPa, and the yield and production efficiency are high.

This invention belongs to the field of composite material technology, specifically relating to a method for preparing a high-strength, high-plasticity, and high-toughness multilayer titanium-aluminum composite plate. The steps of this invention include: first, preparing aluminum and titanium plates as raw materials; then, after surface treatment of the raw materials, combining and fixing them; after heat preservation, rolling the fixed plates; and finally, performing solution aging treatment to obtain a multilayer titanium-aluminum composite plate. Through alternating layer design, a three-layer (aluminum-titanium-aluminum), three-layer (titanium-aluminum-titanium), or five-layer (titanium-aluminum-titanium-aluminum-titanium) composite structure is constructed. With a simple preparation process, this invention achieves a significant improvement in plasticity and toughness. This invention provides a low-cost, simple, and mass-producible high-performance composite plate preparation scheme, offering a new material option for lightweight design in aerospace, transportation, and other fields.

This invention discloses a method for rolling a large-size titanium-based composite material sheet resistant to 750℃ and its cladding. The method involves obtaining a large-size titanium-based composite material ingot through vacuum arc melting, followed by annealing and machining to obtain a forging billet. Multi-directional forging technology is used for forging, and the forged billet is annealed and machined to obtain a rolled billet of the required specifications. By rationally designing the ratio of billet thickness to cladding material thickness and hot rolling process parameters, including deformation per pass, rolling temperature, and rolling rate, a high-quality large-size titanium-based composite material sheet is finally obtained. The method provided by this invention is simple and stable, and can well meet the requirements of industrial production. Simultaneously, it effectively improves the matching between the billet and cladding materials, avoiding problems such as sheet deformation and cracking. Furthermore, the cladding rolling effectively suppresses hydrogen and oxygen absorption and promotes rapid heat dissipation, ensuring that the mechanical properties of the sheet remain at a high level.

This invention discloses an ultrasonic-mechanical coupled vibration rolling composite equipment and method for metal layered composite materials, belonging to the field of metal layered composite material preparation technology. The equipment includes a rolling mechanism, a mechanical vibration mechanism, and an ultrasonic vibration mechanism. The mechanical vibration mechanism is mounted on the side of the first work roll of the rolling mechanism via a crankshaft and connecting rod actuation, providing mechanical vibration to the first work roll to improve the interfacial misalignment rate and enhance the interfacial bonding strength of the metal layered composite material. The ultrasonic vibration mechanism is connected to the second work roll of the rolling mechanism, leveraging the volume effect of ultrasonic vibration to coordinate the deformation of the constituent metal materials. The method of this invention is simple in process, convenient to implement, has high production efficiency and low cost, and produces metal layered composite materials with high interfacial bonding strength, good geometric accuracy, low internal residual stress, and no anisotropy problems.