366 results about "Selective laser melting" patented technology

The invention relates to an additive manufacturing method and application of an aluminum-based silicon carbide composite material complex component, and the additive manufacturing method of the aluminum-based silicon carbide composite material complex component comprises the following steps: step 1, uniformly mixing silicon carbide powder and aluminum alloy powder, and drying; 2, establishing a structural model for the target part, and importing the structural model into selective laser melting forming equipment; thirdly, selective laser melting forming is conducted; fourthly, linear cutting and surface treatment are conducted; and fifthly, hot isostatic pressing treatment is conducted. The invention further provides application of the aluminum-based silicon carbide composite material complex component to precise structural components such as aviation structural components, guided missile and satellite components and optical instruments. According to the method, the problem of subsequent large-allowance removal of the aluminum-based silicon carbide composite material component is solved, the wettability between the aluminum alloy and the silicon carbide particles is improved, the mechanical property meets the application requirement, and the aluminum-based silicon carbide structural component with stable performance is obtained.

The invention provides a method and a device for evaluating and measuring microscopic mechanical properties of TC4 alloy, relates to the technical field of microscopic mechanical properties, and realizes accurate evaluation of material properties through combination of multi-scale characterization and numerical simulation. Firstly, a standard sample is prepared through selective laser melting, and residual stress field distribution is obtained through X-ray diffraction; dividing a stress field into sub-regions, and establishing a quantitative relationship between microscopic structure parameters and residual stress by combining SEM and EBSD analysis; the method comprises the following steps: acquiring local mechanical properties through a nanoindentation test, and constructing a stress-performance correlation model; and finally, establishing a finite element model, transmitting stress and tissue parameters by adopting trilinear interpolation and an inverse distance weighting method, verifying data reliability through a stress difference criterion, and calculating mechanical properties of each unit. According to the method, multi-scale correlation from microstructure characteristics to macroscopic mechanical properties is innovatively realized, so that the mechanical property distribution of the material is accurately evaluated.

An additive manufacturing method based on micro-selective laser melting technology. By using a spot size of 30 μm or less, a metal powder layer thickness of 10 μm or less and ultrafine metal powders having a D90 particle size of 30 μm or less, and in combination with the control of a scanning laser power, a scanning rate, a linear energy density and a volumetric energy density within specific ranges, the method can print complex-structured metal parts having extremely high resolutions and surface smoothness, and can obtain a high-density internal structure of a component even under a relatively low energy density or power condition, thereby effectively protecting an optical system. Moreover, a printed component exhibits a defect-free microstructure, and has excellent electrical properties, thermal properties and mechanical properties. Particularly, ultrafine grains and a high dislocation density provide superior mechanical properties compared to conventional manufacturing materials. An infrared laser device can be used, thereby achieving low costs.

The invention belongs to the technical field of metal additive manufacturing post-processing, and relates to a method for achieving crack closing of a tungsten component prepared through SLM based on SPS. The method mainly comprises the following steps that S1, a tungsten component is prepared, specifically, a pure tungsten component is prepared through a selective laser melting (SLM) technology; s2, the SLM forming component is subjected to surface cleaning and support removing treatment, and after it is ensured that no powder residues exist, accurate positioning and placing treatment is conducted; and S3, SPS treatment process: putting the graphite mold treated in the step S2 into SPS equipment for sintering treatment. Through the combined action of high temperature and mechanical pressure, inevitable microcracks in the SLM pure tungsten component are effectively closed, and the compactness and integrity of the component are remarkably improved.

A method for preparing a profiled microchannel plate heat exchanger, and belongs to the technical field of heat exchange. The method based on a combination of a plurality of methods formed by selective laser melting and micro electrical discharge machining can realize a profiled microchannel plate heat exchanger having large aspect ratio flow channels and closed profile section flow channels.

The invention discloses a heat-resistant aluminum-based composite material and a selective laser melting forming preparation method and application thereof, and belongs to the technical field of metal material additive manufacturing. According to the method, aluminum-silicon alloy matrix powder and nano CuO powder are mixed to serve as cladding powder, Al2O3 and Al2Cu nano particles and precipitated phases which are evenly distributed are directly generated in matrix alloy through in-situ reaction of Al-CuO in a selective laser melting process under the action of high-energy laser, and an aluminum-silicon eutectic structure can be refined to 200-300 nm. Cooperative strengthening of multiple precipitated phases and multiple interfaces is achieved, and the problems of coarse precipitated phases, unmelted particles and the like generated by traditional alloying methods and the like are solved. According to the method, the high-temperature mechanical property of the selective laser melting forming aluminum-based composite material can be remarkably improved. The prepared composite material is suitable for high-temperature light-weight components such as aerospace and nuclear energy equipment, and has a wide application prospect.

The invention discloses a bone scaffold fusion design and preparation method based on mirror image registration, and the method comprises the steps: firstly, based on a three-dimensional medical image of a femoral defect region of a patient, combining an opposite-side complete femoral CT image, and achieving the automatic recognition and complementation of the defect region through the mirror image transformation and ICP registration technology; after defect boundary extraction is completed, three-dimensional reconstruction is carried out on the individualized outer contour of the left bone tissue, and an STL format model is exported. According to the femur functional partition characteristics, a Diamond structure is adopted in a cortical bone area to enhance mechanical support, and a Gyandroid structure is selected in a cancellous bone area to achieve porosity gradient filling, so that the permeability is optimized, and cell proliferation is promoted. Continuous transition among the structures is realized through a Sigmoid function, and the stability and the biological adaptability of the whole structure are improved. And finally, the stent model is subjected to selective laser melting, and a Zn-3Mg alloy material is utilized to complete printing manufacturing.

The invention provides a selective laser melting adaptive parameter regulation and support-free printing system, so that the problems of fixed parameters, temperature imbalance, residual stress and support dependence in the existing SLM technology are solved. The system comprises a three-dimensional model topology analysis unit, a multi-field coupling monitoring unit, a parameter adaptive regulation and control unit, a stress compensation path planning unit, an equipment cooperative control unit and a process database unit.

The invention relates to the technical field of high-temperature alloy additive manufacturing, and discloses a method for preparing a low-crack-sensitivity nickel-based high-temperature alloy through selective laser melting and application of the low-crack-sensitivity nickel-based high-temperature alloy. And selective laser melting forming treatment is conducted on the core-shell structure powder, specifically, regional laser scanning, interlayer pulse pressurization and in-situ heat treatment are conducted, and the low-crack-sensitivity nickel-based high-temperature alloy is obtained. According to the invention, synchronous regulation and control of microcrack closing and nanophase precipitation are realized through design of core-shell structure powder, laser regional dynamic energy control scanning of hot lines and interlayer in-situ densification. By means of the method, the SLM forming crack density can be reduced to be smaller than or equal to 0.1 mm / mm, the anisotropy index is smaller than or equal to 1.05, the post-treatment hot isostatic pressing link is omitted, and the method can be applied to thin-wall high-cycle fatigue parts such as aero-engine flame tubes and aerospace turbine pump rotors.

The invention discloses an antifriction wear-resistant coating material and a preparation method and application thereof, and the preparation method comprises the following steps: cladding metal-based powder on a base material by laser cladding to obtain a laser cladding layer; the surface of the laser cladding layer is subjected to laser etching, and the laser cladding layer with a texture on the surface is obtained; powder is filled in the texture of the laser cladding layer with the texture, the texture is completely filled and leveled up by the filling powder, and the filling powder is melted by laser to form a solid layer, so that the antifriction and wear-resistant coating material is prepared. According to the method, on the basis of an original laser cladding coating, the self-lubricating coating is prepared in a texture pit through texture processing and a selective laser melting technology secondary processing and powder filling mode, so that the original phase, microstructure, density and wear resistance of the laser cladding coating are not influenced, and the self-lubricating coating is prepared in a self-lubricating coating pit; and the friction coefficient of the coating can be further reduced by virtue of the self-lubricating coating in the texture pit, so that the high-performance coating with wear-resisting and friction-reducing functions is prepared.

The invention belongs to the technical field of aero-engines, and particularly relates to a design method of an air inlet casing thin-wall reinforced structure based on rigidity requirements. The invention relates to a design method of a thin-wall reinforced structure of an air inlet casing based on a rigidity requirement. Comprising the following steps of model establishment, parameter setting, load and boundary determination, topological optimization mathematical model establishment, topological optimization calculation, model reconstruction, structural strength evaluation, manufacturability evaluation and preparation, and preparation of the air inlet casing by adopting a selective laser melting additive manufacturing technology. According to the design method for the thin-wall reinforced structure of the air inlet casing based on the rigidity requirement, the topological optimization structure design method and the additive manufacturing technology are combined, the material utilization rate and the specific rigidity of the air inlet casing are greatly improved, and the light weight level of the whole machine is remarkably improved.

The invention discloses a molten pool temperature prediction method for selective laser melting, belongs to the field of additive manufacturing, and aims to solve the problems that the real temperature of a molten pool is difficult to measure accurately due to the limitation of performance and working conditions of an existing thermal infrared imager, a real-time prediction tool is lacked, and a basis cannot be provided for printing adjustment. The method comprises the following steps: carrying out layering processing on a printing structural member to form a binary slice image; preprocessing the slice image; for any printing layer n needing to be predicted, slice trend gray scale information is calculated; infrared radiation of a molten pool is captured in real time through an OT camera, and an actually measured temperature field matrix aligned with any printing layer n is constructed through a calibration model; establishing a time-space aligned data set based on the slice trend gray scale information and the actually measured temperature field matrix, and dividing the data set into a training set and a test set; establishing a GAN model based on the data set; training a GAN model; and inputting slice trend gray scale information into the trained GAN model to obtain predicted molten pool temperature data.

The invention discloses a preparation method of copper-based composite powder with high infrared laser absorptivity and a reaction device of the copper-based composite powder, and belongs to the technical field of metal additive manufacturing. The preparation method of the copper-based composite powder comprises the following steps that copper powder is subjected to acid pickling pretreatment, Cu2O-coated Cu powder is prepared through air suspension dynamic etching, the Cu2O-coated Cu powder is purified, and the prepared composite powder is of a core-shell structure and comprises a copper core and a cuprous oxide modified shell wrapping the surface of the copper core; by means of the structure, the absorptivity of the copper powder to near-infrared laser of 1064 nm and the like can be remarkably improved to 30% or above, and therefore the problems that pure copper is poor in melting and multiple in forming defect due to high reflectivity in laser additive manufacturing are effectively solved. The composite powder can be directly used for existing selective laser melting or directional energy deposition equipment, has great significance in achieving high-density copper part forming under medium power, and is convenient to prepare, low in cost and high in practicability.

The invention discloses a preparation method of a bionic beetle skeleton implant, and belongs to the field of femoral implantation. The bionic structure characteristics of beetle elytra and cuticle are creatively combined, the mechanical strength and structural stability of the porous nickel-titanium alloy structure implant are effectively improved through the bionic structure design method, and the long-standing stress shielding effect problem of a traditional femoral metal implant is successfully solved; the porous nickel-titanium alloy bionic skeleton structure prepared by adopting a selective laser melting (SLM) technology not only has good mechanical suitability, avoids rejection and shedding reaction with natural bone tissues after implantation, but also can realize a complete shape memory recovery function in a room temperature environment, and has good application prospects in the field of medical orthopedic implantation.

The invention discloses a vertical-horizontal mixed enhanced selective laser melting lattice structure based on a face-centered cube (FCC) and a preparation method of the vertical-horizontal mixed enhanced selective laser melting lattice structure. According to the method, starting from a basic FCC lattice unit, firstly, an in-plane enhanced transition lattice structure FCC-H (FCC-Horizon) is formed through a crossed structure of an inclined main rod and an auxiliary rod perpendicular to the main rod; the secondary auxiliary rods are distributed in a radial mode to construct a continuous bridging grid by further optimizing the rod piece connecting mode and the diameter proportion, and finally the vertical-horizontal mixed enhanced FCC-VH (FCC-Vertical Horizon) lattice structure is obtained. According to the structure, through the synergistic effect of the inclined main rods and the auxiliary rods perpendicular to the main rods, the compressive strength, the specific stiffness, the specific strength and the specific energy absorption of the structure are remarkably improved while the light weight is kept. According to an experiment, 316L stainless steel powder is adopted, an FCC-VH lattice structure is prepared through a selective laser melting (SLM) technology, the compression deformation mode of the FCC-VH lattice structure is converted into multi-node cooperative bearing from local buckling of a basic FCC, and the overall compression performance is more remarkably improved.

The invention belongs to the field of electrochemical energy storage, and discloses an electrode suitable for an organic flow battery and a preparation method of the electrode. The electrode comprises a porous electrode substrate and an amino functional group loaded on the surface of a pore channel, and the electrode substrate is prepared by taking mixed powder of noble metal, rare earth metal and titanium alloy as a raw material. A selective laser melting process is adopted to prepare a porous electrode substrate, and then an electrostatic self-assembly process is adopted to load amino functional groups on the surfaces of pore channels. The electrode has a porous structure with a high specific surface area, and can provide sufficient reaction sites for electrochemical reaction. Meanwhile, the loaded amino functional group can enhance the activity and stability of positive and negative electrode electrochemical substances. The electrode base material comprises a noble metal with catalytic activity and a rare earth metal, and an active rare earth oxide layer doped with a noble metal oxide can be formed on the surface of the electrode after printing. According to the electrode, the energy efficiency of the organic flow battery can be improved, and the stable cycle index and the service life are prolonged on the basis of maintaining the energy efficiency.

The invention relates to an additive manufacturing and residual stress measuring method for a nickel-based high-temperature alloy component. The additive manufacturing and residual stress measuring method comprises the following steps that 1, the nickel-based high-temperature alloy component is prepared on a substrate through a selective laser melting technology; 2, the formed nickel-based high-temperature alloy component is separated from the base plate, and stress relief annealing heat treatment is conducted on the nickel-based high-temperature alloy component; the destressing annealing heat treatment comprises the following steps: preserving heat at 550-950 DEG C for 2 hours, and then air-cooling to room temperature; and 3, measuring the residual stress of the nickel-based high-temperature alloy component subjected to stress annealing heat treatment by a contour method. The residual stress of the component is greatly reduced through heat treatment, and cracking and deformation of the component caused by the internal residual stress of the component are avoided.

The invention belongs to the technical field of additive manufacturing, and particularly relates to a diamond / copper radiator manufacturing method based on 3D printing, and the diamond / copper radiator manufacturing method comprises the steps that diamond / copper composite powder is prepared, and the composite powder comprises diamond particles with nano alloying elements attached to the surfaces and spherical copper powder; and under shielding gas, green laser with the wavelength of 532 nm is adopted for conducting selective laser melting scanning on the composite powder, meanwhile, high-frequency ultrasonic vibration is applied to a molten pool in a laser acting area, and a diamond / copper composite material radiator green body is formed through layer-by-layer powder laying, scanning melting, ultrasonic assistance and layer-by-layer accumulation. Copper matrix crystal grains are refined through ultrasonic energy, residual stress in the printing process is reduced, generation of microcracks is effectively restrained, the mechanical property and reliability of a workpiece are improved, the high absorptivity of green laser to copper and the technical advantages of 3D printing are combined, and high-quality 3D printing is achieved. And the radiator with fine structures such as complex three-dimensional micro-channels and ultrathin fins can be integrally manufactured.

The invention provides a CFRP / metal composite pipe based on paper folding configuration and a preparation method of the CFRP / metal composite pipe, and belongs to the technical field of composite materials. The CFRP / metal composite pipe is composed of a metal square pipe and a carbon fiber layer, the metal square pipe is an inner layer, and the carbon fiber layer is an outer layer. A paper folding structure is preset on the outer side of the pipe wall of the metal square pipe, the paper folding structure is formed by stacking and arranging V-shaped groove paper folding units composed of creases with specific angles, and the included angle between the alpha face and the beta face of each paper folding unit is 70 degrees. The metal origami inner pipe is integrally formed through the SLM selective laser melting technology, the geometric accuracy and structural integrity of origami configuration are ensured, the finished product is obtained through vacuumizing compaction and programmed heating and pressurization by adopting the mature technology of combining prepreg laying and autoclave curing, the product performance is stable, the production cost is low, and the production efficiency is high. The manufacturing process is easy to implement.

The invention discloses a ROS2-based surface exposure rapid prototyping method, device and system and a medium, and relates to the technical field of additive manufacturing. The method comprises the steps that all hardware nodes are reset and initialized, a forming platform is flush with a powder laying plane, powder is supplemented, and a scraper is reset. And importing the three-dimensional model of the part to be formed into ROS2-based slicing software, generating a support structure after attitude optimization, slicing according to a preset layer thickness to obtain a slice layer, and performing rasterization processing to generate a black and white mask image. And circulating subsequent steps for each slice layer until all slice layers are completed: descending a servo motor of a forming bin according to a preset layer thickness, providing powder by a powder supply bin, and then spreading and slicking the powder. And sending the black and white mask image corresponding to the current slice layer to the DLP to execute projection. The SLM laser node performs selective laser melting according to the projected area. And a molten pool image is captured in real time and analyzed, an analysis result is input to an ROS2 decision node to dynamically adjust process parameters, and closed-loop control is achieved.

An air-cooled cold plate is I-shaped, the side face of one end of the cold plate is a fan mounting face, the bottom face of the other end of the cold plate is a base mounting face, the side face of the middle section of the cold plate is a printed board mounting face, the cross section of the middle section of the cold plate is a crystal oscillator mounting face, fins are arranged in the middle section, air channels are formed among the fins, and a plurality of ventilation openings are formed in the fan mounting face and the base mounting face. The ventilation openings are communicated through fin air ducts; the manufacturing method comprises the steps that selective laser melting is adopted for a blank, 3D printing is adopted for a cold plate blank, a plugging tool is manufactured according to the appearance of an air duct opening, 3D printing is adopted for cold plate rough machining, stress relief annealing is conducted, heat treatment is adopted for releasing machining stress, an ultrasonic thickness gauge is adopted for measuring the thickness of a printed plate mounting face, the thickness allowance is set, and the finish machining allowance is determined. And the machining benchmark is offset, feature finish machining is conducted on the fan installation face, the printed board installation face, the base installation face and the crystal oscillator installation face, and deionized water is adopted to repeatedly wash the air channel.

The invention discloses high-strength heat-resistant aluminum-copper alloy powder, a 3D printing application method and an aluminum product. Relates to the technical field of metal material and additive manufacturing, in particular to a high-strength heat-resistant aluminum alloy material suitable for selective laser melting. The alloy powder is composed of Cu, Sc, Ni, Ce, Si, Mn, Ti, Fe and Al, the content of Cu ranges from 5 wt% to 15 wt%, the content of Sc ranges from 0.3 wt% to 2 wt%, the content of Ni ranges from 0.5 wt% to 5.5 wt%, the content of Ce ranges from 0.5 wt% to 5.5 wt%, and an Al7Cu4Ni eutectic phase is generated in situ in the printing process. And through a multi-element synergistic strengthening mechanism, the solidification interval is effectively reduced, cracks are inhibited, and meanwhile fine grain strengthening and precipitation strengthening are achieved. After SLM forming and low-temperature heat treatment, the obtained aluminum product has ultrahigh strength, good plasticity and excellent heat resistance, the tensile strength exceeds 650 MPa, the hardness exceeds 180 HV0.2, the ductility exceeds 7%, and the aluminum product meets the requirements for light high-strength heat-resistant components in the high-end fields such as aerospace and the like.

The application discloses a 3D printing catalyst for preparing low-carbon olefins from carbon dioxide and a preparation method and application thereof, relates to the field of catalysis, and comprises the following steps: 1) using metal iron-based alloy powder as raw material, an iron-based catalyst precursor is obtained by using a selective laser melting technology, and then the catalyst precursor is cleaned, dried and calcined; 2) the catalyst obtained in the step 1) is soaked in a potassium hydroxide solution; and 3) the catalyst after soaking in the step 2) is dried and calcined. The application aims at enhancing the disturbance of reaction gas, enhancing the effective contact area of the catalyst and raw material gas and the mass and heat transfer efficiency, and improving the catalytic reaction efficiency by designing a porous columnar catalyst with a unique pore channel and horizontal plate structure. The catalyst exhibits good catalytic performance in the reaction of preparing low-carbon olefins from carbon dioxide and hydrogen, and provides a new way for CO2 conversion and utilization.

The invention discloses an SLM-based super-hydrophobic structure with multi-stage mastoids and a forming method thereof. The forming method comprises the following steps: S1, providing a matrix; s2, iron-based amorphous alloy powder is provided; s3, processing a super-hydrophobic structure with a multistage mastoid shape on the substrate by utilizing the iron-based amorphous alloy powder through a selective laser melting forming method; wherein in the processing process, the shape of the multi-stage mastoid process is simulated by utilizing a spheroidizing phenomenon of selective laser melting forming. According to the method, the super-hydrophobic structure with the multi-stage mastoid shape is simulated through the spheroidizing phenomenon generated in the SLM forming process, and therefore the more complex super-hydrophobic structure with the larger surface area can be machined more efficiently. Moreover, the super-hydrophobic structure with the multi-stage mastoid shape realizes the super-hydrophobic function based on the structural characteristics of the super-hydrophobic structure, post-treatment is not needed, the technological process is simplified, the production cost is reduced, and the production efficiency is improved.

The invention provides an unsupported rudder wing additive manufacturing method and device based on compensation, and belongs to the field of metal additive manufacturing. The method comprises the following steps: performing selective laser melting (SLM) simulation on a to-be-manufactured rudder wing by using a simulator to obtain simulation deformation data; based on a penalty function, adding and fusing the forming error and the geometric constraint to obtain a fusion objective function; the simulation deformation data, the node coordinates and the predicted node coordinates corresponding to the discrete node set of the rudder wing to be manufactured are substituted into the fusion target function, and target reversible deformation data are obtained through iterative optimization; determining a discrete node set based on a rudder wing three-dimensional manufacturing model; and performing reverse deformation compensation on the rudder wing three-dimensional manufacturing model by using the target reverse deformation data until a target rudder wing manufactured by the compensated rudder wing three-dimensional manufacturing model meets a preset condition, and outputting the target rudder wing. In conclusion, the method and the device can get rid of dependence on subjective experience, improve compensation precision and adapt to various application scenes.

The application discloses a kind of 3D printing defect monitoring methods, it is related to 3D printing technical field, comprising the following steps: S1, the production image of 3D printing completion is obtained;S2, according to the gray histogram of production image and the gradient angle of each pixel point, distribution matrix is generated for each pixel point;S3, according to the feature matrix of production image and the distribution matrix of pixel point, the defect place is determined in production image.The application can adapt to the defect monitoring of different 3D printing processes such as fused deposition and selective laser melting by multi-feature fusion, and can also adapt to the defect monitoring of different materials such as metal and plastic, and enhances the versatility of monitoring method.

The invention provides a high-density silver-based component and a preparation method and application thereof, and belongs to the technical field of metal component preparation. The preparation method of the high-density silver-based component comprises the following steps that metal powder is provided, and the metal powder comprises, by mass, 1-6% of copper and the balance silver; and the metal powder is subjected to selective laser melting forming, the high-density silver-based component is obtained, and the density of the high-density silver-based component is larger than or equal to 97.7%. By the adoption of the method, the high-density silver-based component with the density larger than or equal to 97.7% can be prepared, operation is easy, and cost is low.

This invention discloses a method and system for quality monitoring and defect localization in a selected area laser melting process. The invention involves real-time acquisition of molten pool images during the selected area laser melting process; extraction of molten pool contours from images belonging to the same printing layer, calculating the molten pool area and the center point of the minimum bounding rectangle of the molten pool contour; creation of a blank image of the same size as the molten pool images, and marking the center point of the minimum bounding rectangle of each molten pool contour at the corresponding position in the blank image; grid division of the blank image, filling the marked grid with the corresponding molten pool area value to generate a grid matrix; segmentation of the grid matrix, converting each segment into a grayscale sub-image; and inputting the grayscale sub-images into a trained neural network model to obtain quality classification results.

The invention belongs to the technical field of aluminum alloys, and particularly relates to a high-strength and high-toughness microalloyed Al-Cu-Mg alloy with good creep property as well as a preparation method and application of the high-strength and high-toughness microalloyed Al-Cu-Mg alloy. The preparation method of the microalloyed Al-Cu-Mg alloy comprises the following steps that raw materials are weighed and fully mixed; performing vacuum drying after mixing; a micro-alloyed Al-Cu-Mg alloy is prepared by adopting a selective laser melting technology; the raw materials comprise, by mass, 96% of Al-Cu-M alloy powder, 1%-2% of Si powder and 1%-2% of Zr powder. Based on Si-Zr composite microalloying, the alloy which is free of obvious hot cracks and high in compactness is prepared through the selective laser melting technology at the high scanning speed, and the double-peak grain structure of the alloy is promoted to be further refined or transformed into a fine equiaxed crystal structure, so that the strength plasticity and creep property of the aluminum alloy are obviously improved.

1. Name of the product in this design: Selective Laser Melting Equipment (XT-S460). 2. Application of this design: for selective laser melting powder molding manufacturing. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.