B22F10/25

ALLOY, ALLOY POWDER, ALLOY MEMBER, AND COMPOSITE MEMBER

The present invention provides an alloy, an alloy powder, an alloy member, and a composite member which are excellent in corrosion resistance and wear resistance, have crack resistance, and are suitable for an additive manufacturing method and the like. An alloy and an alloy powder include, by mass %, Cr: 18 to 22%, Mo: 18 to 28%, Ta: 1.5 to 57%, C: 1.0 to 2.5%, Nb: 0 to 42%, Ti: 0 to 15%, V: 0 to 27%, Zr: 0 to 29%, and a remainder consisting of Ni and unavoidable impurities, where a molar ratio of (Ta+0.7Nb+Ti+0.6V+Zr)/C=0.5 to 1.5 is satisfied. An alloy member is an additively manufactured product or a cast having such a solidification structure, and the solidification structure is a dendrite-like crystal structure having a metal phase having a face-centered cubic structure and carbides.

Reinforcement of a deposited structure forming a metal matrix composite

A method for forming a reinforced metallic structure includes providing a tool having a formation surface corresponding to a desired structure shape of the reinforced metallic structure. The method also includes positioning a plurality of fibers on the formation surface of the tool. The method also includes depositing a layer of material on the plurality of fibers using a cold-spray technique. The method also includes removing the layer of material with the plurality of fibers from the tool to create the reinforced metallic structure.

METHOD AND APPARATUS FOR FABRICATION OF ARTICLES BY MOLTEN AND SEMI-MOLTEN DEPOSITION
20220362857 · 2022-11-17 ·

A method and apparatus for depositing metals and metal-like substances in two and three dimensional form without a substrate in a safe, rapid and economical fashion using gas shielded arc welding equipment and programmable robotic motion. The method and apparatus includes the use and application of robotic controls, temperature and position feedback, single and multiple material feeds, and semi liquid deposition thereby creating near net shape parts particularly well suited to rapid prototyping and lower volume production

METHOD OF FEEDBACK CONTROLLING 3D PRINTING PROCESS IN REAL-TIME AND 3D PRINTING SYSTEM FOR THE SAME

A method of feedback controlling a 3D printing process in real time, and a system therefor are disclosed. The method includes collecting big data, generated through 3D printing experiments, related to process variables of 3D printing, measurement signals, and 3D printing quality of the 3D printing object; building an artificial neural network model by performing machine-learning based on the collected big data; evaluating whether or not a 3D printing quality of the 3D printing object is abnormal in real time based on an actual measurement signal of the 3D printing object and the artificial neural network model; and feedback controlling printing quality of the 3D printing object in real time based on the evaluation result of whether or not the 3D printing quality of the 3D printing object is abnormal.

METHOD OF FEEDBACK CONTROLLING 3D PRINTING PROCESS IN REAL-TIME AND 3D PRINTING SYSTEM FOR THE SAME

A method of feedback controlling a 3D printing process in real time, and a system therefor are disclosed. The method includes collecting big data, generated through 3D printing experiments, related to process variables of 3D printing, measurement signals, and 3D printing quality of the 3D printing object; building an artificial neural network model by performing machine-learning based on the collected big data; evaluating whether or not a 3D printing quality of the 3D printing object is abnormal in real time based on an actual measurement signal of the 3D printing object and the artificial neural network model; and feedback controlling printing quality of the 3D printing object in real time based on the evaluation result of whether or not the 3D printing quality of the 3D printing object is abnormal.

EQUIPMENT AND METHOD FOR DEPOSITING PARTICLES USING LASER SHOCKWAVES
20220355379 · 2022-11-10 ·

Equipment for selectively depositing, by shockwave-induced spraying, at least one particle on a deposition surface of a receiver substrate. The equipment including at least one laser source that emits a laser beam, a substrate carrier to which the substrate is fastened, a shockwave-generating layer having a first surface oriented toward the laser beam and a second surface oriented toward the deposition surface of the substrate, an optical system for directing and focusing the laser beam toward a focal region of the first surface. The second surface including a plurality of cavities, each cavity housing at least one particle. The laser beam generates a plasma in the focal region on the first surface and a shockwave that propagates within the generating layer from the first surface to the second surface in order to spray at least one particle in the direction of the deposition surface of the substrate.

EQUIPMENT AND METHOD FOR DEPOSITING PARTICLES USING LASER SHOCKWAVES
20220355379 · 2022-11-10 ·

Equipment for selectively depositing, by shockwave-induced spraying, at least one particle on a deposition surface of a receiver substrate. The equipment including at least one laser source that emits a laser beam, a substrate carrier to which the substrate is fastened, a shockwave-generating layer having a first surface oriented toward the laser beam and a second surface oriented toward the deposition surface of the substrate, an optical system for directing and focusing the laser beam toward a focal region of the first surface. The second surface including a plurality of cavities, each cavity housing at least one particle. The laser beam generates a plasma in the focal region on the first surface and a shockwave that propagates within the generating layer from the first surface to the second surface in order to spray at least one particle in the direction of the deposition surface of the substrate.

ADDITIVE MANUFACTURING METHOD, ADDITIVE MANUFACTURING DEVICE, AND CONTROLLER

In preparing a built-up object by depositing beads, in a step of dividing into the bead model, a trapezoidal bead model a cross section of which is a trapezoidal shape is applied to a position where the bead is formed in a portion not adjacent to an existing bead, and a parallelogram bead model a cross section of which is a parallelogram is applied to a position where the bead is formed adjacent to a bead that is already formed, in the parallelogram bead model opposite sides in the deposition direction of the bead being parallel to each other, and opposite sides in the bead arrangement direction being parallel to a side of another bead mode that is adjacent.

Monolithic combustor for attritiable engine applications

A monolithic combustor apparatus comprises an outer casing comprising a forward flange, a fuel manifold disposed on the outer casing and defining an annular chamber extending perimetrically around the outer casing, a combustor liner disposed within the outer casing, the combustor liner defining an annular combustion chamber, a first annular plenum disposed between the outer casing and the combustor liner, an inner liner disposed radially from the combustor liner, a first inner flange extending forward from the combustor liner, and a second inner flange extending radially inward from the first inner flange.

COLD SPRAY DUCT FOR A GAS TURBINE ENGINE

A component for a turbine engine may be formed by spraying particulate with a nozzle toward a substrate. The particulate may be deposited to form one or more annular layers and a reinforcing structure. The component may be a closed loop annular component having a reinforcing structure of specific dimensions enabled by the methods described.