Abstract: Duct assembly and method of forming a duct assembly, the method including providing a preform body having an outer surface, disposing the preform body adjacent a sacrificial mandrel such that at least a portion of the preform body abuts an outer surface of the sacrificial mandrel, forming the duct assembly by depositing metal on the outer surface of the sacrificial mandrel and the preform body to define a unitary metallic tubular element with integral preform body and where depositing metal occurs at a temperature that does not damage the sacrificial mandrel, and removing the sacrificial mandrel to define the duct assembly.

Abstract: Duct assembly and method of forming a duct assembly, the method including providing a preform having a unitary body with multiple sleeve sections defining multiple apertures, disposing multiple sacrificial mandrel pieces adjacent the preform body such that at least one of the multiple sacrificial mandrel pieces abuts at least one of the multiple sleeve sections, and forming the duct assembly to define a unitary metallic tubular element.

Abstract: Aspects of the disclosure generally relate to an electroforming apparatus and method, including a support frame with at least one anode housing having a predetermined housing geometry. At least one anode can be carried by the at least one anode housing, and the at least one anode can also include a predetermined geometry.

Abstract: A nickel-cobalt material and method of forming includes forming a doped nickel-cobalt precursor material. The method also includes heat treating the doped nickel-cobalt precursor material, wherein the heat treating includes at least heating within a temperature zone below the onset temperature for grain growth in the doped nickel-cobalt precursor material.

Abstract: An electroforming system and method for electroforming a component includes an electroforming reservoir with a housing defining a fluid passage. An electroforming chamber can be located within the housing and fluidly coupled to the fluid passage via a set of apertures in at least one wall of the electroforming chamber.

Abstract: Duct assembly and method of forming a duct assembly, the method including providing a duct having an outer surface and an inner surface, the outer surface defining a periphery and the inner surface defining a first fluid passageway, covering at least a portion of the outer surface with at least a portion of a sacrificial body, depositing a metal layer over an exposed surface of the sacrificial body, and removing the sacrificial body.

Abstract: Duct assembly and method of forming a duct assembly, the method including providing a preform having a unitary body with multiple sleeve sections defining multiple apertures, disposing multiple sacrificial mandrel pieces adjacent the preform body such that at least one of the multiple sacrificial mandrel pieces abuts at least one of the multiple sleeve sections, and forming the duct assembly to define a unitary metallic tubular element.

Abstract: A method of forming a tubular element includes providing an attachment joint, and disposing a mandrel adjacent the attachment joint, where the mandrel can also include an outer or exposed surface. Metal can be disposed on the outer surface of the mandrel to form at least a portion of the tubular element.

Abstract: Duct assembly and method of forming a duct assembly, the method including providing a preform body having an outer surface, disposing the preform body adjacent a sacrificial mandrel such that at least a portion of the preform body abuts an outer surface of the sacrificial mandrel, forming the duct assembly by depositing metal on the outer surface of the sacrificial mandrel and the preform body to define a unitary metallic tubular element with integral preform body and where depositing metal occurs at a temperature that does not damage the sacrificial mandrel, and removing the sacrificial mandrel to define the duct assembly.

Abstract: A method of forming a strengthened component includes providing a duct body having an interior surface and an exterior surface forming a fluid passageway. The method also includes forming an attachment structure over at least a portion of the exterior surface of the duct body, where the attachment structure can include a metallic layer.

Abstract: An apparatus and method of forming a heat exchanger including a thermally compliant material and geometry with a core having a first set of flow passages and a second set of flow passages passing through the core. A first manifold of high temperature and strength material defines a fluid inlet for the first set of flow passages and a second manifold of high temperature and strength material defines a fluid inlet for the second set of flow passages. At least one of the first and second manifolds can include an in-situ compliant portion to provide for compliance during thermal expansion of the heat exchanger.

Abstract: An apparatus and method of forming a hybrid heat exchanger including a first manifold defining a first fluid inlet and a second manifold defining a second fluid inlet. A monolithic core body includes a first set of flow passages in fluid communication with the first manifold and a second set of flow passages is in communication with the second manifold. At least a portion of the first manifold or the second manifold has a tunable coefficient of thermal expansion that is less than a coefficient of thermal expansion of the structurally rigid monolithic core.

Abstract: A gas turbine engine guide vane heat exchanger has guide vane heat exchanger including electroformed fluid channels in electroformed heat exchanger tubes or a heat exchanger core disposed within airfoil. Non-flammable heat conducting liquid or non-metallic foam may fill space between tubes or core and airfoil. Fluid circuit may include channels within electroformed heat exchanger tubes or the heat exchanger core and extend from inlet manifold to outlet manifold for directing fluid or oil through channels and include fluid or oil supply inlet connected to inlet manifold for receiving the fluid or oil flowed into inlet manifold and a fluid or oil supply outlet connected to fluid or oil supply outlet for discharging fluid or oil flowed out of fluid or oil outlet manifold. Heat exchanger tubes or heat exchanger core, inlet manifold, outlet manifold, supply inlet and supply outlet may be integrally and monolithically electroformed together.

Abstract: An apparatus and method for a mandrel used during an electroforming process. The mandrel is formed of a structural wax and includes a metallic layer utilized to formulate a metal component. During the electroforming process, the mandrel is actively cooled utilizing a closed loop. The closed loop includes the mandrel and a heat exchanger through which a coolant flows.

Abstract: A tunable compliant mount structure for an engine such as a turbine engine can include a fluid conduit coupled to a fan casing by a connector. At a junction between the connector and the fluid conduit, a compliant mount structure can provide compliance and can be tuned to operate under variable stresses at the junction. The compliant mount structure can include a set of nested convolutions to provide compliance. The geometry of the convolutions can be used to tune the compliance, stiffness, or directionality. The tunable compliant attachment structure provides for additive in-situ manufacturing at the fluid conduit.

Abstract: A forming manifold and method for electroforming a component, including providing an electroforming cathode disposed within a first bath tank having a solution with a first metal ion concentration, overlaying at least a portion of the electroforming cathode with a forming manifold having a housing and applying a voltage to the electroforming cathode while disposed within the first bath tank.