Abstract: A vibration damper for an additively manufactured structure includes a structure at least partially formed with an additive manufacturing technique. Also included is a damping element embedded within the structure at an internal location of the structure. A method of damping vibration of an additively manufactured component is provided. The method includes additively manufacturing a structure. The method also includes embedding at least one damping element within the structure at an internal location of the structure.

Abstract: A system and methods are provided for electrochemical grinding a workpiece. In one embodiment, a method includes controlling potentials to grinding tool and the workpiece, controlling applying electrolyte, and controlling grinding of the workpiece by the grinding tool. The method may also include determining screen replacement when there is sufficient metal plated.

Abstract: A pressure vessel assembly includes a plurality of lobes, each lobe having at least one vertically arranged interior wall, the lobes positioned in a side by side arrangement such that a first interior wall of a first lobe is positioned adjacent a second interior wall of a second lobe, the first interior wall having a first wall top and bottom side, the second interior wall having a second wall top and bottom side, the first wall top side joined to the second wall top side and the first wall bottom side joined to the second wall bottom side. Also included are first and second end wall surfaces of each of the plurality of lobes. Further included is a plurality of end caps, each of the end caps joined to the end wall surfaces of the lobes, each of the end caps joined to at least one adjacent end cap.

Abstract: A method for applying a coating to a substrate includes obtaining a fluorinated polymer compound, where the fluorine is chemically or covalently bonded to the polymer molecule; and coating the surface of the substrate with the fluorinated polymer compound.

Abstract: A pressure vessel fluid manifold assembly includes a pressure vessel having a plurality of lobes joined to each other, each of the plurality of lobes having a wall disposed in contact with an adjacent wall of an adjacent lobe, and wherein the manifold can be external or internal to the lobes.

Abstract: A multi-layer structure includes a substrate with a surface and with particles partially covering and partially embedded in the surface. The particles have high thermal conductivity and low electrical conductivity. A dielectric layer on the surface partially covers the partially embedded particles. A metal layer on the dielectric layer covering the partially covered particles forms a thermal interface material (TIM) for electronic packaging applications.

Abstract: A component may be self-monitoring having a sensor assembly located on a surface of a substrate and covered by an encapsulating layer additively manufactured over the sensor assembly and thereby bonded to the substrate. The sensor may be wireless, self-powered, and embedded into the substrate such that it is unobtrusive and may not limit the performance or function of the Ccomponent.

Abstract: An example peening tool includes at least one first roller having a peening surface disposed about and along a first core. At least a portion of the at least one first roller is configured to contact a component to be peened along a length. The length extends along at least a portion of the first core. The at least one first roller is configured to provide line contact on the component along the length. A profile of the at least one first roller is determined based on a profile of the component. The peening tool includes a backer disposed in register with the first plurality of rollers such that the first plurality of rollers moves with the backer during peening. The at least one first roller and the backer are configured to be arranged on opposing surfaces of the component. Peening models may predict peening parameters and controller settings.

Abstract: A method of manufacturing a part with an anti-counterfeit feature is provided. The method includes providing a part to be marked for anti-counterfeiting. The part is provided with a radiation impacting feature on or within the part. The radiation impacting feature is configured to at least one of (i) prevent accurate imaging of at least a portion of the part and (ii) provide unique authentication of the part.

Abstract: An embedded sensor apparatus for enabling wireless signal transmission while protecting an embedded sensor is disclosed. In various embodiments, an embedded sensor apparatus may comprise a substrate with a cavity, a wireless sensor embedded in the cavity of the substrate, a protective cover coupled to the wireless sensor, and a ferrite layer covering the protective cover. Further, the embedded sensor apparatus may comprise an electromagnetic reflector coupled between the wireless sensor and the substrate. In addition, the ferrite layer may be a ferrite plug, a deposited ferrite layer, or a combination thereof. Furthermore, in various embodiments, covering the protective cover with the ferrite layer may comprise depositing the ferrite layer on the protective cover using a cold spray process. In another embodiment, covering the protective cover with the ferrite layer may comprise depositing the ferrite layer on the protective cover using a thermal spray process.

Abstract: A device and methods are provided for deep rolling. In one embodiment, a deep rolling tool for applying compressive stress with rolling elements includes a flexible fork having a base section and a plurality of fork arms and a plurality of rolling elements, wherein each rolling element is mounted to a fork arm with eccentric roller bushings, wherein each rolling element is mounted at the distal end of a fork arm, and wherein the rolling elements are configured to apply a compressive stress to articles received by the deep rolling tool.

Abstract: An illustrative example container includes a plurality of internal support members having a surface contour that at least approximates a minimum surface. The plurality of internal support members collectively provide structural support for carrying loads on the container. The plurality of internal support members collectively establish a plurality of cavities for at least temporarily containing fluid. An outer shell is connected with at least some of the internal support members. The outer shell includes a plurality of curved surfaces. The outer shell encloses the cavities.

Abstract: An apparatus to cut and surface process a workpiece includes a cutting tool to cut the workpiece; a peening tool to peen surfaces of the cut workpiece; and a controller to control the cutting tool, the peening tool and the workpiece to move simultaneously.

Abstract: A solid-state method for forming an alloy includes providing a powder that has heterogeneous particles with a ratio, by weight, of an amount of nickel to an amount of a metal. The ratio is selected in accordance with a compositional ratio that can substantially bear a nickel intermetallic precipitate of the nickel and the metal. The heterogeneous particles are then consolidated and thermally treated to interdiffuse the nickel and the metal. The interdiffused nickel and metal are then precipitation treated to precipitate the nickel intermetallic.

Abstract: A pressure vessel configured to store a pressurized fluid is provided including a plurality of lobes. Each lobe includes at least one vertically arranged interior wall. The plurality of lobes are positioned in a side by side configuration such that a first interior wall of a first lobe is positioned adjacent a second interior wall of a second adjacent lobe. The first interior wall and the second interior wall are configured to contact one another at a first point of tangency. A first tangent intersects the first lobe at the first point of tangency and a second tangent intersects the second lobe at the first point of tangency. The first tangent and the second tangent are separated by about 120 degrees.

Abstract: A device and methods are provided for deep rolling. In one embodiment, a deep rolling tool for applying compressive stress with rolling elements includes a flexible fork having a base section and a plurality of fork arms and a plurality of rolling elements, wherein each rolling element is mounted to a fork arm with eccentric roller bushings, wherein each rolling element is mounted at the distal end of a fork arm, and wherein the rolling elements are configured to apply a compressive stress to articles received by the deep rolling tool.

Abstract: A cold spray system includes a powder generator and a powder feeder. The powder generator has a powder source disposed within a housing. The powder feeder is in fluid communication with the housing and the powder generator within the housing. A closed circuit defined from the powder generator to the powder feeder conveys powder from the powder generator to the powder feeder without exposing the powder to contaminates from outside the closed circuit.

Abstract: A heating circuit assembly and method of manufacture includes an electrically conductive heating element having a pattern. An electrically non-conductive substrate is additive manufactured and secured to the element for structural support. The substrate has a topology that generally aligns with the pattern of the element thereby reducing the assembly weight and minimizing substrate material waste.

Abstract: An additive manufacturing method for forming a component is disclosed. The method includes the steps of forming a first layer of additive material on a substrate. The first layer of additive material is deep rolled. A second layer of additive material is then formed on the first layer of additive material.

Abstract: A system and methods are provided for electrochemical grinding a workpiece. In one embodiment, a method includes controlling potentials to grinding tool and the workpiece, controlling applying electrolyte, and controlling grinding of the workpiece by the grinding tool. The method may also include determining screen replacement when there is sufficient metal plated.