47 results about "Pre deformation" patented technology

The invention discloses a mechanical part pre-deformation clamping process method based on simulation analysis, and relates to the technical field of mechanical manufacturing. The method comprises the following steps that S1, a design drawing, material characteristic parameters, blank size specifications and technical parameters of a clamp system of a to-be-machined part are collected; according to the method, an integrated simulation model of a part, blank and clamp system is constructed, blank key parameters and the constraint relation of all parts are fused, multi-field coupling simulation is combined, the theoretical deformation field pre-judgment precision is greatly improved, reliable data support is provided for pre-deformation design, a target compensation curved surface is generated through a geometric inversion algorithm, and the pre-deformation design precision is improved. By matching with a pre-deformation clamp with an adjusting mechanism, reverse pre-deformation is realized, differences of different batches of blanks are adapted, machining and rebound deformation are effectively counteracted, simulation and process parameters are corrected through a detection result by means of a closed-loop optimization mechanism, machining precision stability is guaranteed, trial cutting cost and rejection rate are reduced, and the method is suitable for machining of various easily-deformed parts.

The invention discloses an engine blade welding deformation control method based on pre-deformation and active cooling, and relates to the technical field of precision welding manufacturing, and the engine blade welding deformation control method comprises the following steps: collecting multi-source real-time monitoring data in a blade welding process, and inputting the data into a trained welding heat-force coupling dynamic model; performing nonlinear interaction analysis on real-time monitoring data through a built-in deformation semantic analysis unit in the welding heat-force coupling dynamic model, extracting core characteristic parameters, and creating a regulation and control decision system comprising a strain state space, a temperature control action space and a deformation compensation evaluation function by utilizing the strain state mapping set; the method is used for predicting a deformation response value corresponding to each regulation action. According to the method, through a regulation and control decision system comprising a strain state space, a temperature control action space and a deformation compensation evaluation function, deformation response is predicted, an optimal cooling path and a pre-compensation quantity regulation and control scheme are generated, and finally dynamic optimal control over blade welding deformation is achieved.

The invention discloses a low-expansion three-temperature cold and hot plate and a preparation method, and belongs to the field of precise alloy components. The cold and hot plate is made of titanium-niobium-based alloy, the titanium-niobium-based alloy comprises, by atomic percent, 25%-35% of Nb, the total content of V and / or Ta smaller than or equal to 3% and the balance Ti, the titanium-niobium-based alloy comprises a three-temperature structure of a low-temperature adaptation area, a normal-temperature stable area and a high-temperature tolerance area, the thickness of the titanium-niobium-based alloy ranges from 1.5 mm to 2 mm, and the surface of the titanium-niobium-based alloy is provided with a nitride layer or a passive film. The preparation method comprises the steps of burdening, 2-3 times of vacuum consumable smelting, hot forging, hot rolling, partition cutting, pre-deformation regulation and control, solid solution quenching, cold rolling finishing, splicing forming and the like, and vacuum stress relief annealing and dual performance detection are matched. The method is suitable for scenes such as chip packaging and precision detection, and is low in cost and high in qualified rate.

The invention provides a high-strength and high-toughness aluminum-lithium alloy plate and a preparation method thereof, and belongs to the technical field of metal materials and metallurgy. According to the method, an aluminum-lithium alloy cast ingot with excellent casting performance is cast through alloy elements in scientific proportion and a precise smelting process, most casting defects are eliminated through hot rolling deformation, sufficient machining strengthening is obtained through cold rolling deformation, then two-section pre-deformation is conducted on an aluminum-lithium alloy plate subjected to solution treatment, the dislocation density is increased, and the machining strength of the aluminum-lithium alloy plate is improved. The aging precipitation power of the alloy is remarkably improved, a large number of fine and dispersed T1 (Al2CuLi) phases and theta '(Al2Cu) phase strengthening phases are precipitated in the aging process, the strength, toughness and plasticity of the aluminum-lithium alloy are effectively improved, a destressed high-strength and high-toughness aluminum-lithium alloy plate with the flat appearance is obtained, the yield strength can reach 520-560 MPa, the tensile strength can reach 580-630 MPa, the ductility is 8-12%, and the tensile strength can reach 580-630 MPa. And the use requirements of high-standard aerospace structural materials can be met.

The application discloses a TiAl alloy, a deformation heat treatment method and application, and the alloy is as follows: Ti-(43-48)Al-(0-8)X-(0-0.5)Z, wherein X is one or two or more of Nb, Mo, Cr, Ta, V and Mn elements; Z is one or two or more of Fe, C, N, O, B and Si elements; the alloy is a fine-grain duplex structure, the fine-grain duplex structure is composed of fine-size sheet group and equiaxial gamma grains; the size of the sheet group is 20-40 mu m, the size of the gamma grain is 10-20 mu m, and the volume fraction of the gamma grain is 30-60%; firstly, high-density crystal defects are generated in the original structure by controlling the deformation temperature, the deformation rate and the deformation amount of the pre-deformation treatment; and then, the fine-grain near-sheet structure or the duplex structure is obtained by controlling the holding temperature and the holding time in the isothermal heat treatment process.

This invention discloses a composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys, belonging to the field of aluminum-lithium alloy preparation technology. The composite deformation heat treatment process for improving the strength and corrosion resistance of aluminum-lithium alloys of this invention includes the following steps: (1) performing solution treatment, water quenching, and natural aging treatment on the aluminum-lithium alloy in sequence; (2) performing pre-deformation treatment on the aluminum-lithium alloy treated in step (1); (3) performing non-isothermal aging treatment on the aluminum-lithium alloy treated in step (3); wherein, the pre-deformation amount of the pre-deformation treatment is 4~10%; the non-isothermal aging treatment is to first raise the temperature from 40℃ to 140~200℃ and then lower the temperature to 100~160℃; the aluminum-lithium alloy treated by the composite deformation heat treatment process of this invention has both good mechanical properties and corrosion resistance.

The invention belongs to the technical field of preparation of difficult-to-deform high-temperature alloy materials, and particularly relates to a short-process preparation method and application of a difficult-to-deform high-temperature alloy bar based on gradient cyclic temperature change. The preparation method comprises the following steps: preparing a difficult-to-deform high-temperature alloy ingot by adopting a triple smelting process; the hard-to-deform high-temperature alloy cast ingot prepared in the first step is subjected to pre-deformation treatment and then air-cooled to the room temperature; carrying out homogenization treatment on the alloy ingot subjected to the pre-deformation treatment in the step 2; the alloy ingot obtained after homogenization treatment in the fourth step is subjected to cogging forging through the gradient circulation temperature changing technology, and an intermediate billet is obtained; and the intermediate blank obtained in the fourth step is forged through a gradient cooling technology, and the high-temperature alloy bar difficult to deform is obtained. The preparation method disclosed by the invention has the advantages of high structure uniformity and short-period preparation, and also has high yield. The method is suitable for industrial mass production of high-temperature alloy bars, and the bars can be used for preparing turbine discs of aero-engines.

A pre-deformation clamping system and workpiece machining method are disclosed. The pre-deformation clamping system includes a fixing module and a prestressing application module. The fixing module is configured to fix a fixed part of the workpiece. Multiple prestressing application modules are provided, each configured as a clamping part for clamping the workpiece. Each prestressing application module is configured to adjust the vertical position of its clamping part, thereby applying prestress to the workpiece to induce pre-deformation. The technical solution provided by the embodiments of this application can effectively improve the machining accuracy of the workpiece.

The invention relates to a forging forming method for strain uniformity of a special-shaped alloy forge piece with a thick and large area, and belongs to the technical field of large-size magnesium alloy forging. Preparing a blank; uniformly spraying a lubricant on the surface of the blank; the blank, the steel plate and the mold are placed in a heating furnace to be preheated; a die is installed, then the blank is placed on the female die, and a steel plate is installed on the blank; driving the male die to press down the steel plate, and performing upsetting deformation on the blank; removing the steel plate, and directly performing die forging on the blank by using a male die to complete the preparation of a forge piece; and demolding and cooling the special-shaped forge piece. According to the method, the metal flowing direction is changed by conducting upsetting pre-deformation on the concave blank, the deformation dead zone is eliminated, the phenomenon that a microstructure is difficult to refine due to insufficient deformation of a lateral thick zone is restrained, and finally the magnesium alloy special-shaped component without the deformation dead zone is formed through die forging.

The invention discloses a crack inhibition method for a laser cladding composite coating based on a pre-deformed substrate, and relates to the technical field of laser additive manufacturing. The method comprises the following steps: firstly, predicting a deformation field and a residual stress field of a substrate during laser cladding of a specific coating material under non-rigid constraint through numerical simulation, and calculating the required pre-deformation compensation amount according to the deformation field and the residual stress field; then, the pre-deformation compensation amount is applied to the deformable substrate, so that the deformable substrate is in a pre-bending or pre-torsional deformation state. And laser cladding is carried out on the pre-deformed substrate, and thermal stress generated in the cladding process and preset deformation energy of the substrate can offset each other, so that effective release of residual stress and accurate control of macroscopic deformation of the component are synchronously realized. According to the method, the coating stress can be reduced, crack initiation can be inhibited, and the industrial problem that stress control and shape precision in traditional laser cladding are difficult to consider at the same time is solved.

The invention provides a control method for forging 6-series aluminum alloy hub coarse grains and application. Comprising the following steps that S1, an aluminum alloy material subjected to pre-deformation and homogenization treatment is heated to 400-500 DEG C, and heat preservation is conducted; s2, preheating a forging die to 350-460 DEG C, and locally cooling the surface of a die cavity of a part, used for forming the hub, in the die, the temperature of the surface of the die cavity is 50-100 DEG C lower than that of the other parts of the die; the parts for forming the hub comprise the die cavity parts corresponding to corner areas at the joints of the spokes and the rim and the die cavity parts corresponding to spoke plate thickness transition areas between the adjacent spokes; and S3, the heated aluminum alloy material is placed in the die treated in the step S2 to be forged and formed. The technical problems that in the production process of an existing 6xxx series aluminum alloy forged hub, coarse grains are likely to appear, and then the mechanical property of a product is uneven, the fatigue life is shortened, and the yield is low are solved.

The invention provides a heat treatment method for weakening a wrought magnesium alloy texture and a magnesium alloy plate, and belongs to the technical field of magnesium alloy heat treatment. The method comprises the following steps: pre-deformation treatment: carrying out compression pre-deformation on a wrought magnesium alloy plate in the transverse direction and the rolling direction in sequence at room temperature so as to introduce stretching twin crystals; and heat treatment is conducted, specifically, annealing heat treatment is conducted on the wrought magnesium alloy plate subjected to pre-deformation treatment. The temperature of the annealing heat treatment ranges from 280 DEG C to 300 DEG C, and the time of the annealing heat treatment ranges from 10 minutes to 20 minutes. According to the invention, beneficial result dominated by twin crystals is ensured; 100 gt; the perpendicular-to-ND texture component can be stably retained, the loss of the texture weakening effect or the formation of a new strong texture is avoided, and the durability and stability of the treatment effect are ensured.

The application provides a heat treatment method for deformation and phase change synergistic strengthening of high-strength aluminum alloy, and relates to the technical field of aluminum-based alloy heat treatment. The method comprises the following steps: S10, solid solution treatment of the aluminum alloy at a solid solution temperature, quenching treatment after the solid solution treatment, and obtaining W-state aluminum alloy; S20, pre-aging treatment of the W-state aluminum alloy at a pre-aging temperature, and obtaining PA-state aluminum alloy after cooling; S30, 0-8% pre-deformation of the PA-state aluminum alloy, and obtaining pre-hardening treatment aluminum alloy; S40, first-stage aging treatment of the pre-hardening treatment aluminum alloy at a first aging temperature for 1-60 min, and obtaining first-stage aluminum alloy after cooling; wherein the first aging temperature is lower than the pre-aging temperature; S50, second-stage aging treatment of the first-stage aluminum alloy at a second aging temperature for 1-60 min, and obtaining second-stage aluminum alloy after cooling; wherein the second aging temperature is lower than the first aging temperature.

The utility model discloses an extrusion die, and relates to the technical field of die design, in particular to an extrusion die which comprises a pre-deformation cavity and a shaping cavity which are arranged in a die main body and communicated with each other, and the projection area of the pre-deformation cavity in the axial direction of the die is larger than that of the shaping cavity in the axial direction of the die. According to the extrusion die, the pre-deformation cavity is additionally arranged in the die, and the metal flow velocity of a bar in the die is regulated and controlled, so that the flow velocity difference of extruded metal at different parts of a metal fin profile is reduced, and the extrusion efficiency is improved. And the structure property difference of each part is reduced.

This invention relates to a creep-forming pre-deformation method for ultra-large thin-walled parts. The method includes: processing a grid onto a blank sheet to obtain a wall panel; completely covering the wall panel with a breathable felt; placing the wall panel on a mold; calculating the size of a vacuum bag and determining the bridging position based on the stress characteristics of the vacuum bag; sealing the vacuum bag, with the outer periphery of the vacuum bag extending outwards from the mold; evacuating the enclosed space until a first preset pressure value is reached, then placing the panel in an autoclave; maintaining the pressure until the wall panel deforms to the target size when the first preset pressure value rises to a second preset pressure value. The creep-forming pre-deformation method for ultra-large thin-walled parts provided in this application utilizes atmospheric pressure to apply pressure to the sheet material, determines the bridging position based on the stress characteristics of the vacuum bag, ensuring uniform stress area on the wall panel, and by changing the air pressure, adjusting the pressure value, the product gradually transforms from elastic deformation to plastic deformation, resulting in uniform deformation.

This invention relates to the field of general methods and equipment control technology for heat treatment of ferrous or non-ferrous metals or alloys, and discloses a heat treatment method for improving the hyperelasticity and fatigue resistance of NiTi scaffolds. The method includes: loading the NiTi scaffold onto a radial constraint unit; applying a pre-deformation amount and injecting a cyclic compensation load within the aging temperature range using a load pressurization mechanism; acquiring feedback load parameters characterizing the driving impedance of the mechanism in real time, calculating its real-time slope evolution over time, and adjusting the displacement loading rate according to the real-time slope change to convert the cyclic compensation load into an asymmetric pulse load; monitoring real-time slope fluctuations, maintaining interfacial contact pressure and controlling the cooling rate when it enters a stable threshold range, and locking the oriented microstructure. This invention, by introducing a load feedback closed-loop mechanism and utilizing the numerical alignment of the dynamic pulse waveform with the microstructure evolution rate, breaks the random nucleation law of the strengthening phase, induces the strengthening phase to generate a preferred orientation, and enhances the hyperelastic stability of the material.

The invention discloses a NiTiNbTa shape memory alloy material and a preparation method thereof, belongs to the field of shape memory alloy materials, and particularly relates to the NiTiNbTa shape memory alloy material and the preparation method thereof. The invention aims to solve the problems that the traditional NiTiNb wide-lag shape memory alloy is high in cost and the phase transition temperature is difficult to regulate and control. The material comprises 49.5 parts of Ni, 44.5 parts of Ti, 4.5 parts of Nb, 1.5 parts of Ta, 49.5 parts of Ni, 45.5 parts of Ti, 5.5 parts of Nb, 0.5 part of Ta or 49.5 parts of Ni, 45.5 parts of Ti, 5.5 parts of Nb and 1.5 parts of Ta. The method comprises the following steps: carrying out electric arc melting, carrying out solution treatment on a smelted cast ingot, and carrying out water quenching to obtain the alloy with uniform components. The obtained material can obtain remarkable wide thermal hysteresis without depending on complex pre-deformation pretreatment, and also has an excellent shape memory effect. In addition, the phase transition temperature of the alloy can be adjusted through alloy components, and the alloy can be suitable for different application scenes.

The invention relates to a method for improving the obdurability of an aluminum-based composite material, in particular to a method for improving the obdurability of the aluminum-based composite material through matrix constraint shape memory alloy reinforcement body phase change. The invention aims to solve the problems that the existing shape memory alloy reinforcement cannot realize phase change activation and regulation, so that the strength of the shape memory alloy passively reinforced aluminum-based composite material is reduced and the toughness is insufficient. The method comprises the following steps: 1, preparing pre-deformation powder; 2, introducing a reinforcing phase; 3, sintering; 4, hot extrusion; and 5, solid solution and aging treatment. The method is used for improving the obdurability of the aluminum-based composite material through matrix constraint shape memory alloy reinforcement body phase change.

This invention relates to the field of aluminum alloy heat treatment technology, and discloses a 6-series aluminum alloy extruded profile and its T6I6 interrupted aging treatment method, including the following steps: 1) Performing low-temperature pre-aging on the solution-quenched 6-series aluminum alloy extruded profile, the low-temperature pre-aging temperature is 63°C-67°C, the holding time is 260h-320h, and no pre-deformation is required; 2) After pre-aging, performing an interruption operation, taking the sample out of the low-temperature aging furnace and transferring it to a high-temperature aging furnace, the interruption time not exceeding 24h; during the interruption operation, the sample is removed from the temperature-controlled environment, and the temperature naturally drops to room temperature; 3) After the interruption operation, performing high-temperature main aging, the high-temperature main aging temperature is 172°C-177°C, and the holding time is 5h-7h. After the above treatment, compared with the T6 state, the tensile strength is increased by 8%-20%, the elongation is increased by more than 35%, and the maximum IGC corrosion depth is reduced by more than 30%. The aluminum alloy extruded profiles have a PFZ width of 30-60nm, a GP zone number density of ≥5×10²³ / m³, a discontinuous distribution of grain boundary precipitates, an inter-phase spacing of 50-150nm between adjacent precipitates, and a precipitate size of 20-50nm.

The invention relates to the field of automobile part injection molds, in particular to a mold design method for preventing buckling deformation of an automobile front-end module and a mold. The method comprises the steps that CAE simulation analysis of injection molding is conducted on a product model, and a buckling deformation vector diagram of a product after demolding and cooling is obtained; performing reverse deformation compensation on the product model according to the deformation vector diagram, and constructing a pre-deformation model; designing a mold based on the pre-deformation model; a compensation mechanism is arranged at a product key position corresponding to the mold; the mold is tested, and a test mold sample piece is obtained; measuring the dimensional deviation between the test mold sample piece and the product model; if the dimensional deviation is within the adjustable range of the compensation mechanism, the mold is corrected through the compensation mechanism; if the dimensional deviation is out of the adjustable range of the compensation mechanism, correcting the pre-deformation model and the mold according to the dimensional deviation value; and after the test mold sample piece conforms to the target size, mold shaping is completed. The buckling deformation of the product can be effectively predicted and compensated, so that the injection molding product meets the size standard.

The utility model relates to a forming die for a metal plate anti-dent performance sample, and belongs to the technical field of metal material detection sample machining in the metallurgical industry. According to the technical scheme, a male die (5) is installed on a male die base (1), a female die (8) is installed on a female die base (3), the male die base (1) and the female die base (3) are arranged up and down, and the male die base (1) and the female die base (3) are connected through a guide column (2); the blank holder (7) is installed on the male die base (1) through a plurality of blank holder pull rods (4), and each blank holder pull rod (4) is sleeved with a blank holder spring (6). The diameter of the blank holder (7) is larger than that of the male die (5), and the blank holder pull rods (4) are evenly arranged in the circumferential direction of the blank holder (7). The device has the beneficial effects that the device can simulate the processing of a covering part sample, can be used on a single-action hydraulic press or a mechanical press, meets the requirement of pre-deformation in a sample surface, and is accurate and efficient in sample processing.

The application discloses a hot forging process for a 7-series aluminum thin material product with a thick-thin gap structure. The application introduces a new process path of "pre-fabricated compensation deformation and partition collaborative control", effectively solves the problem of shear stress concentration and cracking at the junction caused by the mismatch of deformation capacity of the thick-thin area of the aluminum thin material in the background technology, and provides a systematic solution for the limit thin-wall forging of the 7-series aluminum. The stability of the extreme thin-wall structure in the forming and phase change process is ensured, so that the 7-series aluminum can be reliably forged to about 0.5mm thickness without cracking.

This invention belongs to the field of steel materials, specifically relating to an ultra-high-strength steel that can be bent at small angles and its manufacturing method. Its chemical composition, by mass percentage, includes: carbon (C) 0.18-0.22%, manganese (Mn) 2.0-2.5%, silicon (Si) 0.8-1.2%, aluminum (Al) 0.03-0.06%, phosphorus (P) ≤0.012%, sulfur (S) ≤0.003%, rare earth elements (RE) 0.001-0.005%, with the balance being iron (Fe) and unavoidable impurities. This method eliminates the expensive laser local processing process and avoids the strength loss caused by pre-deformation. Through parameter reconstruction of conventional metallurgical and heat treatment equipment, a qualitative leap in material properties is achieved. This has a profound impact on promoting the application of ultra-high-strength steel in the automotive industry, engineering machinery, and high-end equipment manufacturing.

The application discloses an evaluation method for the influence of pre-deformation on the edge forming property of high-strength steel, which comprises the following steps: (1) processing a sample to be measured into a rectangular wide and long strip sample; (2) stretching the wide and long strip sample until it is broken to determine the maximum uniform deformation A that can be borne; (3) taking a plurality of wide and long strip samples, respectively applying different degrees of pre-deformation to obtain pre-deformation samples; (4) punching each pre-deformation sample into a standard tensile sample; (5) directly stretching each standard tensile sample until it is broken and fails; (6) measuring the uniform elongation A and the total elongation A0 of each broken sample, and calculating the instability elongation PUE=A0-A of each broken sample, which is used as an evaluation index of the edge forming property of high-strength steel. g The method is convenient, simple, easy to operate, has a wide application range and strong engineering application guiding property, and requires a small number of samples. g ​

The present application relates to steel plate processing punching technology field, specifically to a kind of steel plate processing punching equipment, comprising: punch, the lower end surface of the punch is evenly provided with a plurality of fixed rods, the lower end of the fixed rod is fixedly installed with lower die, the outer wall of the fixed rod is slidably installed with upper die, and the output end of the punch is fixedly connected with upper die;Fixed assembly, the fixed assembly is used to fix steel plate;Punching assembly, the punching assembly includes fixedly installed in the lower end surface of upper die punch.This application is pre-extruded by setting conical head before contacting steel plate with external ring, which promotes radial extension deformation of punching area metal, releases local stress in advance and improves material plasticity, on this basis, external ring is punched to the area that has been pre-deformed, which significantly reduces the risk of brittle cracking of high-strength or thick steel plate hole edge.

The invention discloses a hot forging process for a 7-series aluminum thin material product with a thickness difference structure, which effectively solves the problems of shear stress concentration and cracking at a junction caused by mismatching of deformation capacities of a thick area and a thin area of an aluminum thin material in the background technology by introducing a brand new process path of prefabricated compensation deformation and partition cooperative control. Firstly, active microcosmic pre-deformation is conducted on a thin area before forging and pressing, a differential coating is applied, and a physical basis beneficial to coordinated flowing of materials is constructed in advance; secondly, by means of gradient heating and a sectional controllable forging pressure field, dynamic balance of deformation speed and resistance of a thick area and a thin area is achieved in the forming process, a systematic solution is provided for ultimate thin-wall forging and pressing of 7-series aluminum, stability of an extreme thin-wall structure in the forming and phase change process is guaranteed, and the forging quality is improved. Therefore, the breakthrough that 7-series aluminum is reliably forged and pressed to the thickness of about 0.5 mm without cracking is achieved.

The invention discloses a novel high-magnesium-content aluminum alloy solid solution heating-step quenching process which comprises the following steps: (1) preparing a novel high-magnesium-content aluminum alloy thermal deformation processing material in a rolling or extruding manner, and carrying out solid solution heating and heat preservation treatment at 460-545 DEG C / 30-150 min; (2) an air cooling mode is adopted for carrying out first-stage quenching on the thermal deformation machining material subjected to solid solution heating, the thermal deformation machining material is cooled to 420-450 DEG C, the cooling speed is 2-8 DEG C / s, and the transfer time from solid solution to first-stage quenching does not exceed 15 s; (3) carrying out second-stage quenching on the thermal deformation processing material after the first-stage quenching is finished, and cooling to 180-230 DEG C at the cooling speed of 40-75 DEG C / s; (4) carrying out third-stage quenching on the thermal deformation processing material after the second-stage quenching is finished, and cooling to 30-50 DEG C at the cooling speed of 2-8 DEG C / s; and (5) pre-deformation and aging treatment are conducted on the machined material subjected to step quenching. According to the solid solution heating-step quenching process disclosed by the invention, the quenching cracking risk of the processed material can be obviously reduced.

The invention discloses a method for improving center segregation of a superaustenitic stainless steel slab, which specifically comprises the following steps of: proportioning raw materials for steelmaking according to a component proportion to obtain a mixture, and then sequentially carrying out EAF (Ethylene Aerated Filter) rough smelting, liquid discharging and slagging-off, pre-desulfurization treatment, AOD (Argon Oxygen Decarburization) refining, LT secondary refining and continuous casting on the mixture to obtain a slab; and the plate blank is subjected to first-time pre-deformation hot rolling, second-time pre-deformation hot rolling, rough rolling, finish rolling, annealing and acid pickling, and then the super austenite steel coil is obtained. By the adoption of the method, the segregation problem of the super austenite solidification structure can be effectively solved, and the problems of surface cracking and center layering of the plate blank in the hot rolling process are solved.

The application discloses an aluminum part annealing deformation inhibition method and device based on temperature compensation and a storage medium, and relates to the method, steps of which comprise: constructing a surface heat absorption impedance discrete model; discretizing a three-dimensional surface of an aluminum part to be annealed and calculating impedance values to form a non-uniform heat absorption impedance field; obtaining aluminum three-dimensional body grid nodes, combining a thermal-induced particle repulsive force calculation strategy and a vertical load accumulation chain calculation strategy to output a full-field deformation vector; executing a multi-field coupling annealing path joint optimization algorithm, taking annealing process parameters and the non-uniform heat absorption impedance field and the full-field deformation vector as inputs to generate dynamic temperature control instructions; and based on a residual node displacement field optimized in step S3, calculating a reverse compensation vector and superimposing the reverse compensation vector to an original nominal geometric model to generate pre-deformation processing data. The application solves the problem that existing temperature compensation technologies ignore self-weight creep and avalanche collapse of aluminum alloy caused by sharp degradation of stiffness in an annealing temperature range.