Abstract: According to some configurations of the present disclosure, an alloy may include a composition that includes magnesium (Mg) that is approximately 5 to 12% by weight of the composition; manganese (Mn) that is approximately 0.1 to 2% by weight of the composition; and silicon (Si) that is approximately 0.3 to 3% by weight of the composition; and aluminum (Al) that is a balance of the composition. In one configuration, the composition may further include one or more of iron (Fe), titanium (Ti), zirconium (Zr), chromium (Cr), and/or yttrium (Y).

Abstract: Alloy materials and three-dimensional (3-D) printed alloys are disclosed. An alloy in accordance with an aspect of the present disclosure comprises aluminum, magnesium, and silicon wherein a composition of the alloy comprises from at least 5 percent (%) by weight to 20% by weight of silicon and from at least 7% by weight to 10% by weight of magnesium.

Abstract: Aspects are provided for passivation of waste metal streams. An apparatus may include a three-dimensional (3-D) printer that produces a waste powder during 3-D printing of a printed part, a passivator configured to receive the waste powder and melt the waste powder, and a container configured to collect the molten waste powder. A method may include generating a waste powder during 3-D printing of a printed part, collecting the waste powder in a passivator, heating the passivator to melt the waste powder, and collecting the molten waste powder. Aspects of this disclosure can include the passivator maintaining an inert environment.

Abstract: An alloy may include iron (Fe), manganese (Mn) and aluminum (Al). The Fe may include the range 1% to 5.8% by weight of the alloy, the Mn may include the range 1.2% to 9.1% by weight of the alloy. The alloy may further include one or more of silicon (Si), nickel (Ni) and zirconium (Zr). Also, an alloy may include copper (Cu), magnesium (Mg), Zr and Al, wherein the Cu may include the range 0.8% to 5.1% by weight of the alloy, the Mg may include the range 0.5% to 3.9% by weight of the alloy and the Zr may include the range 0.3% to 10% by weight of the alloy, and the alloy may further include one or more of manganese, lithium, titanium, silicon, iron and nickel.

Abstract: Systems and methods for multi modular ring mode fiber optic configuration, laser powder bed fusion, and fine process control during an additive manufacturing (AM) process. A multi-mode ring laser beam with a first power distributed in a first beam is generated, as a spot beam or a first ring beam, and a second power distributed in a second ring beam surrounding the first beam. The multi-mode ring laser beam is applied to one or more materials to transform the material(s) into an AM build piece. An AM method includes depositing a powder first material in a powder bed, exposing the powder first material to a second material, wherein an absorption coefficient of the second material is higher than an absorption coefficient of the first material at the wavelength, and applying a laser beam with a wavelength to the powder first material and the second material to generate a composite material.

Abstract: A device may deposit a first print material having first material characteristics corresponding to a material strength in a space over a build plate. A device may selectively deposit a second print material having second material characteristics at a print location to modify the material strength at the print location, wherein the print location is at an interface between a first component and a second component.

Abstract: An apparatus for producing spherical metallic powders through continuous ball milling. The apparatus includes a comminution component. The comminution component includes an inlet to receive a metallic material at a first region within the comminution component and an outlet to dispense the metallic powder from a second region within the comminution component. The apparatus includes a plurality of grinding components to grind the metallic material, the plurality of grinding components being arranged within the comminution component. The apparatus includes a drive component, connected with the comminution component, to induce movement of the metallic material and the plurality of grinding components within the comminution component such that the metallic material is fragmented through contact with the plurality of grinding components at the first region and an external surface of the fragmented metallic material is altered at the second region to produce the metallic powder.

Abstract: Methods for producing aluminum metal matrix composite feedstocks are disclosed. A method in accordance with an aspect of the present disclosure may comprise heating a metal into a liquid, spraying the liquid through a nozzle to produce droplets, directing a stream of ceramic particles to contact the droplets to form a compound material, the compound material comprising the droplets and the ceramic particles, and obtaining a powder from the droplets.

Abstract: A method and an apparatus for forming powder. The formed powder may include an alloy of powder that can be used in additively manufacturing and powder metallurgy applications to create structures. The method and apparatus may deliver a source material having a first material composition, melt the source material to form a molten source material, vibrate a substate structure, the substrate structure including a substrate material having a substrate material composition, apply the molten source material to the vibrating substrate structure to obtain a powder, where a portion of the substrate material is selectively added to the molten source material such that the powder has a second material composition different than the first material composition, and control the second material composition of the powder based on the first material composition and the substrate material composition.

Abstract: Alloyed metals, and techniques for creating parts from alloyed metals, are disclosed. An apparatus in accordance with an aspect of the present disclosure comprises an alloy. An additive manufacturing alloy in accordance with the present disclosure may comprise magnesium (Mg) that is between 2.0 and 5.3% by weight, manganese (Mn) that is between 0.01 and 4.0% by weight, silicon (Si) that is between 0.1 and 1.5% by weight, zirconium (Zr) that is between 0.01 and 2.0% by weight, and aluminum (Al). In some cases, the alloy such as described in the previous sentence might not include Mg.

Abstract: A printer and methods for additive manufacturing a build piece may include a camera and an optical spectrometer obtaining spectral information and optical information from a region of melted material to determine a defect condition based on an evaluation of processed spectral or optical information. A processor or a computer may process the obtained and optical information and determine a defect condition during the additively manufacturing process. The obtained spectral and optical information may be of the region of the melted material, a melt pool and a mushy zone. The printer and method may include a controller configured to modify a process parameter to shape the weld pool to obtain a desired effective absorptivity of a portion of the weld pool, e.g., to increase the effective absorptivity relative to an absorptivity of a surface of the powder or material deposited by the depositor and to maintain an acceptable temperature of the weld pool during the additively manufacturing process.

Abstract: A method and an apparatus for forming powder. The formed powder may include an alloy of powder that can be used in additively manufacturing and powder metallurgy applications to create structures. The method and apparatus may deliver a source material having a first material composition, melt the source material to form a molten source material, vibrate a substate structure, the substrate structure including a substrate material having a substrate material composition, apply the molten source material to the vibrating substrate structure to obtain a powder, where a portion of the substrate material is selectively added to the molten source material such that the powder has a second material composition different than the first material composition, and control the second material composition of the powder based on the first material composition and the substrate material composition.

Abstract: Alloyed metals, and techniques for creating parts from alloyed metals, are disclosed. An apparatus in accordance with an aspect of the present disclosure comprises an alloy. An additive manufacturing alloy in accordance with the present disclosure may comprise magnesium (Mg) that is between 2.0 and 5.3% by weight, manganese (Mn) that is between 0.01 and 4.0% by weight, silicon (Si) that is between 0.1 and 1.5% by weight, zirconium (Zr) that is between 0.01 and 2.0% by weight, and aluminum (Al). In some cases, the alloy such as described in the previous sentence might not include Mg.

Abstract: Methods for producing aluminum metal matrix composite feedstocks are disclosed. A method in accordance with an aspect of the present disclosure may comprise heating a metal into a liquid, spraying the liquid through a nozzle to produce droplets, directing a stream of ceramic particles to contact the droplets to form a compound material, the compound material comprising the droplets and the ceramic particles, and obtaining a powder from the droplets.

Abstract: Methods for repurposing waste materials, such as aluminum powder, are disclosed. A method in accordance with an aspect of the present disclosure may comprise collecting a material in a container, the material comprising oxidized aluminum powder, processing the material, which includes heating the material to melt at least a portion of the oxidized aluminum powder, and forming the processed material into at least one component.

Abstract: Alloy materials and three-dimensional (3-D) printed alloys are disclosed. An alloy in accordance with an aspect of the present disclosure comprises aluminum, magnesium, and silicon wherein a composition of the alloy comprises from at least 5 percent (%) by weight to 20% by weight of silicon and from at least 7% by weight to 10% by weight of magnesium.

Abstract: Alloy materials and three-dimensional (3-D) printed alloys are disclosed. An alloy in accordance with an aspect of the present disclosure comprises magnesium, manganese, silicon, and aluminum (Al), wherein a structure of the alloy as printed by a 3D printing process has a yield strength of at least 230 Megapascals and an elongation of at least 9 percent.

Abstract: Alloy materials and three-dimensional (3-D) printed alloys are disclosed. An alloy in accordance with an aspect of the present disclosure comprises cobalt, titanium, silicon, magnesium, zinc, manganese, zirconium, and aluminum, wherein a structure of the alloy as printed by a 3D printing process has a yield strength of at least 300 Megapascals and an elongation of at least 4 percent.

Abstract: Alloyed metals, and techniques for creating parts from alloyed metals, are disclosed. An apparatus in accordance with an aspect of the present disclosure comprises an alloy. Such an alloy comprises magnesium (Mg), zirconium (Zr), manganese (Mn), and aluminum (Al), wherein inclusion of the Mg, the Zr, and the Mn produce a structure of the alloy, the structure having a yield strength of at least 80 Megapascals (MPa) and having an elongation of at least 10 percent (%).

Abstract: According to some configurations of the present disclosure, an alloy may include a composition that includes magnesium (Mg) that is approximately 1 to 5% by weight of the composition; silicon (Si) that is approximately 1 to 3% by weight of the composition; cobalt (Co) that is approximately 0.2 to 1% by weight of the composition; and aluminum (Al) that is a balance of the composition. In one configuration, the composition may further include one or more of nickel (Ni); titanium (Ti); zinc (Zn); zirconium (Zr); and/or manganese (Mn).