Abstract: The present disclosure is directed to an additive manufacturing system configured to generate an electron beam directed toward a target to generate x-ray flux. The x-ray flux is directed toward the component through at least one plate with a pinhole. Interactions between the component and the x-ray flux generate x-ray radiation. The at least one detector is configured to detect the x-ray radiation through a pinhole. An analysis component is configured to generate an image comprising a three-dimensional component based on the x-ray radiation detected by the at least detector.

Abstract: A component formed using an additive manufacturing system, the component includes an exterior surface, an interior cavity, at least one powder removal device disposed within the interior cavity and adjacent to the exterior surface, wherein the at least one powder removal device is configured to remove un-sintered and partially sintered powder from the component; and at least one exit port defined in the exterior surface to facilitate egress of the un-sintered and partially sintered powder out of the component.

Abstract: Embodiments disclosed herein include electronics packages and methods of forming such packages. In an embodiment, the electronics package comprises a first substrate and a plurality of first conductive pads on the first substrate. In an embodiment, the electronics package further comprises a second substrate and a plurality of second conductive pads on the second substrate. In an embodiment, the electronics package further comprises a plurality of interconnects between the first and second substrate. In an embodiment, each interconnect electrically couples one of the first conductive pads to one of the second conductive pads. In an embodiment, the interconnects comprise strands of conductive material that are woven on themselves to form a mesh-like structure.

Abstract: A component formed using an additive manufacturing system, the component includes an exterior surface, an interior cavity, at least one powder removal device disposed within the interior cavity and adjacent to the exterior surface, wherein the at least one powder removal device is configured to remove un-sintered and partially sintered powder from the component; and at least one exit port defined in the exterior surface to facilitate egress of the un-sintered and partially sintered powder out of the component.

Abstract: A combustor for a gas turbine system includes a combustor casing having an interior-establishing wall, and a chamber extending to the interior-establishing wall. In addition, the combustor includes an igniter assembly disposed within the chamber such that a tip of the igniter assembly is positioned radially outwardly from the interior-establishing wall. The igniter assembly includes a first electrode, a second electrode, and an insulator. In addition, the first electrode, the second electrode, and the insulator form a cavity, the second electrode forms an outlet passage extending from the cavity, a maximum cross-sectional area of the cavity is greater than a minimum cross-sectional area of the outlet passage, and the first electrode and the second electrode are configured to ionize gas within the cavity in response to an electrical current applied to the first electrode or to the second electrode.

Abstract: A combustor for a gas turbine system includes a combustor casing having an interior-establishing wall, and a chamber extending to the interior-establishing wall. In addition, the combustor includes an igniter assembly disposed within the chamber such that a tip of the igniter assembly is positioned radially outwardly from the interior-establishing wall. The igniter assembly includes a first electrode, a second electrode, and an insulator. In addition, the first electrode, the second electrode, and the insulator form a cavity, the second electrode forms an outlet passage extending from the cavity, a maximum cross-sectional area of the cavity is greater than a minimum cross-sectional area of the outlet passage, and the first electrode and the second electrode are configured to ionize gas within the cavity in response to an electrical current applied to the first electrode or to the second electrode.

Abstract: Embodiments of the present disclosure relate to a spark gap device that includes a first electrode having a first surface and a second electrode having a second surface offset from and facing the first surface. The spark gap device also includes a light source configured to emit light toward at least the first surface such that photons emitted by the light source when the spark gap is operated are incident on the first surface and cause electron emission from the first surface. The light source includes a discharge probe having a third electrode sealed in a tube filled with an inert gas. The spark gap device may not include a radioactive component.

Abstract: Disclosed herein is a composite material composition for producing a biodegradable composite material. The biodegradable composite material is at least one of air resistant and water-resistant. Further, the composite material composition includes fiber present in an amount of from 30% to 50% by weight based on the total weight of the composite material composition. Further, the composite material composition includes starch present in an amount of from 20% to 40% by weight based on the total weight of the composite material composition. Further, the composite material composition includes filler particles present in an amount of from 20% to 40% by weight based on the total weight of the composite material composition and at least one binding agent present in an amount of from 1% to 5% by weight based on the total weight of the composite material composition. Further, the at least one binding agent is biodegradable.

Abstract: An igniter assembly for a gas turbine combustor includes a first electrode, a second electrode, and an insulator. The first electrode, the second electrode, and the insulator form a cavity, the second electrode forms an outlet passage extending from the cavity, a maximum cross-sectional area of the cavity is greater than a cross-sectional area of the outlet passage, and the cross-sectional area of the outlet passage is substantially constant along a longitudinal extent of the outlet passage. In addition, the first electrode and the second electrode are configured to ionize gas within the cavity in response to an electrical current applied to the first electrode or to the second electrode.

Abstract: An exemplary method includes receiving information relating to a long bone, and generating a bone model representative of the long bone. The long bone includes a shaft, and the bone model includes a shaft model representative of at least a portion of the shaft. The method includes identifying a target orientation for the bone model, and generating a cropped model including at least a portion of the shaft model. The method further includes generating cylinder parameters based at least in part upon the cropped model, registering the cylinder to the cropped model, and generating registration information related to the registering. The method further includes generating a correction angle based upon the registration information, and generating a corrected model based upon the correction angle. The method may further include generating an adjusted model based upon the corrected model, and generating a surgical device using the adjusted model.

Abstract: Embodiments disclosed herein include electronics packages and methods of forming such packages. In an embodiment, the electronics package comprises a first substrate and a plurality of first conductive pads on the first substrate. In an embodiment, the electronics package further comprises a second substrate and a plurality of second conductive pads on the second substrate. In an embodiment, the electronics package further comprises a plurality of interconnects between the first and second substrate. In an embodiment, each interconnect electrically couples one of the first conductive pads to one of the second conductive pads. In an embodiment, the interconnects comprise strands of conductive material.

Abstract: A method according to one embodiment includes locating distal lateral and medial condyles and posterior lateral and medial condyles a femoral bone model, and determining a posterior resection plane based on locations of the distal lateral and medial condyles, one or more dimensions of a prospective femoral implant, and one or more surgical preferences. The method may further include determining a first distance between the posterior medial condyle and the posterior resection plane and a second distance between the posterior lateral condyle and the posterior resection plane, determining a difference between a target value and an average of the first distance and the second distance, wherein the target value is associated with a thickness of the prospective femoral implant, and selecting a desired femoral implant size based on the difference between the target value and the average determined for each of a plurality of possible femoral implant sizes.

Abstract: A component formed using an additive manufacturing system, the component includes an exterior surface, an interior cavity, at least one powder removal device disposed within the interior cavity and adjacent to the exterior surface, wherein the at least one powder removal device is configured to remove un-sintered and partially sintered powder from the component, and at least one exit port defined in the exterior surface to facilitate egress of the un-sintered and partially sintered powder out of the component.

Abstract: An igniter assembly for a gas turbine combustor includes a first electrode, a second electrode, and an insulator. The first electrode, the second electrode, and the insulator form a cavity, the second electrode forms an outlet passage extending from the cavity, a maximum cross-sectional area of the cavity is greater than a cross-sectional area of the outlet passage, and the cross-sectional area of the outlet passage is substantially constant along a longitudinal extent of the outlet passage. In addition, the first electrode and the second electrode are configured to ionize gas within the cavity in response to an electrical current applied to the first electrode or to the second electrode.

Abstract: Embodiments of the present disclosure relate to a spark gap device that includes a first electrode having a first surface and a second electrode having a second surface offset from and facing the first surface. The spark gap device also includes a light source configured to emit light toward at least the first surface such that photons emitted by the light source when the spark gap is operated are incident on the first surface and cause electron emission from the first surface. The light source includes a discharge probe having a third electrode sealed in a tube filled with an inert gas. The spark gap device may not include a radioactive component.

Abstract: A braze alloy composition for sealing a ceramic component to a metal component in an electrochemical cell is presented. The braze alloy composition includes copper, nickel, and an active metal element. The braze alloy includes nickel in an amount less than about 30 weight percent, and the active metal element in an amount less than about 10 weight percent. An electrochemical cell using the braze alloy for sealing a ceramic component to a metal component in the cell is also provided.

Abstract: A braze alloy composition for sealing a ceramic component to a metal component in an electrochemical cell is presented. The braze alloy composition includes copper, nickel, and an active metal element. The braze alloy includes nickel in an amount less than about 30 weight percent, and the active metal element in an amount less than about 10 weight percent. An electrochemical cell using the braze alloy for sealing a ceramic component to a metal component in the cell is also provided.

Abstract: An approach is disclosed for generating seed electrons at a spark gap in the absence of 85Kr. The present approach utilizes the photo-electric effect, using a light source with a specific nominal wave length (or range of wavelengths) at a specific level of emitted flux to generate seed electrons.

Abstract: A method for joining a metal component to a ceramic component is presented. The method includes disposing a metallic barrier layer on a metallized portion of the ceramic component, and joining the metal component to the metallized portion of the ceramic component through the metallic barrier layer. The metallic barrier layer comprises nickel and a melting point depressant. The metallic barrier layer is disposed by a screen printing process, followed by sintering the layer at a temperature less than about 1000 degrees Celsius. A sealing structure including a joint between a ceramic component and a metal component is also presented.

Abstract: Embodiments of the present disclosure relate to a spark gap device that includes a first electrode having a first surface and a second electrode having a second surface offset from and facing the first surface. The spark gap device also includes a cantilevered component coupled to the first electrode that is configured to generate a field emission, a corona discharge or both, to emit light toward at least the first surface such that photons are incident on the first surface and cause electron emission from the first surface. The spark gap device may not include a radioactive component.