Abstract: In an example implementation, a method of operating a sintering furnace includes receiving information about a green object load to be sintered in a sintering furnace, determining a sintering profile based on the information, and performing a sintering process according to the sintering profile. During the sintering process, a sensor reading that indicates a degree of densification of a green object in the load is accessed from a densification sensor. The method includes initiating a cool down phase of the sintering process if the sensor reading has reached a target sensor reading.

Abstract: A tooling assembly and method of aligning a plurality of components for a repair process in an additive manufacturing machine includes positioning the plurality of components such that a repair surface of each of the plurality of components contacts an alignment plate, e.g., under the force of gravity or using biasing members. The method further includes surrounding the alignment plate with containment walls to define a reservoir around the plurality of components and dispensing a fill material, such as wax or a potting material, into the reservoir which is configured for fixing a relative position of the plurality of components when the fill material is solidified.

Abstract: A downhole component including a first portion; a second portion; a controlled failure structure between the first portion and second portion. A method for improving efficiency in downhole components.

Abstract: Systems and methods for quenching an extrudate using an atomized spray of liquid are described. A system includes a billet die at a proximal end configured to accept a billet and form an extrudate, a quench chamber located adjacent to the billet die for receiving the extrudate and comprising at least one pulsed width modulation (PWM) atomizing spray nozzle and a control module in communication with the at least one PWM atomizing spray nozzle and configured to independently control a liquid pressure, a gas pressure, a spray frequency, a duty cycle and flow rate of each at least one PWM atomizing spray nozzle.

Abstract: Metallic matrix composites are synthesized by mixing a first reactant, a second reactant and a nucleator compound to obtain a reaction mixture, and heating the reaction mixture to an auto-activation temperature to initiate a self-propagating high-temperature synthesis reaction between the first and second reactants. The metallic matrix composite can include a metallic matrix and an in situ formed reinforcement. The reinforcement can be formed of discrete particles substantially uniformly dispersed within the metallic matrix. Each of the particles can have a reinforcement constituent disposed about a core formed of the nucleator compound.

Abstract: A powder for additive manufacturing, which is a powder to be used in a three-dimensional additive manufacturing method, including a plurality of coated particles containing metal particles, and resin coating films that cover the metal particles and contain a caking additive, wherein 0.0001?t/D50?0.0010 in which t is an average thickness of the resin coating films and D50 is an average particle diameter of the metal particles.

Abstract: By melting a shaping material in which a metal powder and a binder are mixed and by carrying out injection molding (primary shaping) in an injection mold, an injection molded body, or an intermediate shaped body are produced. The injection molded body or the intermediate shaped body is placed by a transfer mold and is subjected to a gravity shaping (secondary shaping) with a transformation. A sintered body is manufactured by carrying out debindering and sintering to the injection molded body.

Abstract: An orifice-type quenching nozzle for an induction hardening system includes a body having a plurality of nozzle orifices configured to apply a quenching fluid onto a to-be-quenched workpiece. The nozzle orifices are arranged on at least one surface of the body in rows and in columns, and the plurality of nozzle orifices are positioned such that each nozzle orifice is located a same distance from each directly adjacent nozzle orifice.

Abstract: A method of fabricating an airfoil preform for a turbine engine by selective melting on a bed of powder, the preform including an airfoil and a removable support secured to the airfoil, the airfoil being fabricated layer by layer from a first edge to a second edge of the airfoil, the method including fabricating the removable support and the airfoil, the removable support being for securing to a fabrication platform and to a portion of a face of the airfoil situated near the first edge and facing the fabrication platform. The face of the airfoil facing the fabrication platform includes a flat extending away from the face, the flat being present over a portion of the face that is situated outside the first edge, the support being secured to the flat or both to the flat and to the portion of the face that is situated outside the first edge.

Abstract: A method of forming an additive manufactured component comprises depositing a first layer of build material on a build platform within an additive manufacturing machine, depositing reinforcement fibers into the first layer of build material, orienting the reinforcement fibers within the first layer of build material, lowering the build platform, depositing a second layer of build material on top of the first layer of build material, depositing reinforcement fibers into the second layer of build material, and orienting the reinforcement fibers within the second layer of build material.

Abstract: A metal powder for powder metallurgy contains Co as a principal component, Cr at 16 mass % or more and 35 mass % or less, and Si at 0.3 mass % or more and 2.0 mass % or less, wherein when one element selected from Ti, V, Y, Zr, Nb, Hf, and Ta is a first element, and one element selected from the group and having a higher group number in the periodic table than that of the first element or having the same group number in the periodic table as that of the first element and a higher period number than that of the first element is a second element, the first element is at 0.01 mass % or more and 0.5 mass % or less, and the second element is at 0.01 mass % or more and 0.5 mass % or less.

Abstract: A method and an apparatus for manufacturing a metallic article involve providing a non-metallic feedstock, for example in the form of an oxide of a desired metal or a mixture of oxides of the components of a desired metal alloy. A manufacturing apparatus has a reduction apparatus for electrochemically reducing the feedstock to a metallic product and a processor for converting the metallic product to a metallic powder. The powder is fed into an additive-manufacturing apparatus for fabricating the metallic article from the metallic powder. At least the reduction apparatus and the processor, and preferably also the additive-manufacturing apparatus, are collocated, or located in the same container, or in the same building, or on the same site.

Abstract: Described herein are additive manufacturing methods and products made using such methods. The alloy compositions described herein are specifically selected for the additive manufacturing methods and provide products that exhibit superior mechanical properties as compared to their cast counterparts. Using the compositions and methods described herein, products that do not exhibit substantial coarsening, such as at elevated temperatures, can be obtained. The products further exhibit uniform microstructures along the print axis, thus contributing to improved strength and performance. Additives also can be used in the alloys described herein.

Abstract: The present invention belongs to the field of heat treatment for metal plate strips, and discloses a water spray system for heat treatment of metal plate strips and a control method. The system comprises a shunt water collector, sub-water supply pipelines, a control valve group and a control system. The control method comprises a water pressure regulating method and a water flow regulating method. The shunt water collector adopts multi-pipeline uniform flow design and realizes uniform shunt and constant pressure water supply. The sub-water supply pipelines are designed with three configuration modes of a control valve group in accordance with varieties and specifications of metal plate strips, rhythms of production and heat treatment technologies to realize dual closed-loop control of water pressure-water flow.

Abstract: A hybrid method of surface hardening metallic components using a combination of chemical modification achieved through additive manufacturing and/or diffusion-based processing with transformation-based processing using a high energy density heat source. The hybrid process results in increased surface hardness and/or increased average case hardness and/or increased case depth compared to either treatment individually.

Abstract: A drill bit having reinforced binder zones and method of forming same are disclosed. The method includes the steps of mixing reinforcing particles with a binder-reinforcing material, placing the mixture of reinforcing particles and binder-reinforcing material in a mold used in forming a body of the drill bit, placing a universal binder in the mold, and heating the mold. The binder-reinforcing material is infiltrated with the universal binder which thereby forms reinforced binder zones.

Abstract: Disclosed are a device and method for detecting heating treatment temperatures of double steel wires. The temperature detection device includes a double wires coiling machine, two heating mechanisms for respectively heating two steel wires, and two temperature detection mechanisms for respectively detecting temperatures of the two steel wires in real time, and a controller electrically connected to the two heating mechanisms and the double-wire spring coiling machine respectively.

Abstract: A method of producing a patterned composite metal plate includes a) providing at least two different metal and/or metal alloy powders, b) filling a container, b1) with the powders in different individual layers, or b2) making a three dimensional non-solid body of one of the powders, inserting said body in the container and filling the cavities in and around the said body completely with the other powder, c) sealing and evacuating the container, d) subjecting the container to hot isostatic pressing, e) optionally subjecting the consolidated body to hot deformation to form an intermediate body having a thickness of 50 to 200 mm, f) hot rolling the intermediate body in two perpendicular directions in order to form a plate, and optionally one or more of g) cold rolling the hot rolled plate to form a cold rolled plate h) slitting the plate and i) etching the plate.

Abstract: A three-dimensional printing apparatus includes a base, a first build plate, and a second build plate. The base includes a build platform. The first build plate is attached to the base and is movable in vertical directions to a position spaced vertically from the build platform. The second build plate is supported by the first build plate such that the second build plate is spaced vertically from the first build plate. A plurality of objects is fabricated by the apparatus. A first object is fabricated on the first build plate. The first build plate is moved vertically. A second object is fabricated on the second build plate.

Abstract: A method of forming a rotor blade, including forming at least one of a partial upper skin, a partial lower skin, and a partial support network using an additive manufacturing process; and forming a first receptacle in at least a one of the partial upper skin, the partial lower skin, and the partial support network using the additive manufacturing process. The first receptacle is configured to receive of at least one of an electronic component and a mechanical component. In some embodiments, there is a method of manufacturing a rotor blade that includes forming a first locating receptacle in at least one of the upper skin, the lower skin, and the support network using the additive manufacturing process; and positioning at least one of the upper skin, the lower skin, and the support network in a desired position on a fixture based, in part, on the first locating receptacle.