Abstract:
A method of providing additive manufacturing includes the steps of (a) developing a plurality of layers to result in a final shape product, (b) developing a space filling algorithm to develop a path, (c) estimating a temperature at a location along the path in an existing direction of the path, and (d) comparing the estimated temperature to a desired temperature and altering the existing direction of the path should the estimated temperature differ from the desired temperature by a predetermined amount. An additive manufacturing system is also disclosed.
Abstract:
A nozzle assembly for a cold spray deposition system includes a nozzle body with an axial bore. The axial bore defines a converging segment, a diverging segment downstream of the converging segment, and a throat fluidly connected between the converging and diverging segments of the axial bore. A particulate conduit is fixed within the axial bore and extends along the axial bore diverging segment for issuing solid particulate into the diverging segment of the axial bore.
Abstract:
Material is provided for forming a part using a manufacturing system. The material includes a plurality of discrete particles. Each of the particles includes a metal powder core encapsulated by a non-metal coating. At least the cores of the particles are adapted to be solidified together by the manufacturing system to form the part.
Abstract:
The invention provides a self-peening feedstock material for cold spray deposition comprising a higher ductility matrix material and a hardened particle.
Abstract:
One embodiment includes a method for enhancing bond strength between a powder deposit and a substrate. Powder is deposited on the substrate. Powder is shot peened with peening media that is harder than both the powder and the substrate to produce bond strength between the powder and the substrate that is at least twice bond strength between the powder and the and peening material substrate without shot peening.
Abstract:
A portable gas heater includes a housing, a pressure vessel arranged in the housing, a layer of thermal insulation disposed on an interior wall of the pressure vessel, a heating element arranged within the layer of thermal insulation, and a gas diffuser arranged upstream from the heating element. A cold spray system including the portable gas heater and a method of heating gas are also disclosed.
Abstract:
An article (104;140) has an airfoil (100). The airfoil has a leading edge (114), a trailing (116) edge, a pressure side (118), and a suction side (120) and the airfoil extends from a first end (110) to a tip (112). The article comprises an aluminum alloy or titanium alloy substrate (352) and a coating at the tip. The coating comprises a cold sprayed nickel or cobalt matrix (352) and an abrasive (354).
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:
Aspects are directed to removing a portion of a component that includes wear to generate a void in the component, where a material of the component has a first microstructure, depositing a filler material in the void, subjecting the filler material to a cold working technique to compress the filler material, and applying a heat treatment to cause the filler material to have a second microstructure that is matched to the first microstructure. Aspects are directed to a case of an engine, including: a first portion with a first material that has a first microstructure, and a second portion with a second material that has a second microstructure, where the second microstructure is matched to the first microstructure, where the second material includes a plurality of layers, and where at least one layer of the plurality of layers includes a compressive residual stress.
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.