Alstom Technology Limited

General Electric Company

General Electric Technology Gmbh

Ansaldo Energia Switzerland Ag

Ansaldo Energia IP UK Limited

Matthias Hoebel

Alexander Schnell

Maxim Konter

Thomas Etter

Bernd Fehrmann

Felix Martin Gerhard Roerig

Cyrille Bezencon

Wilfried Kurz

Michael Evans Graham

Subhrajit Roychowdhury

Robert John Filkins

Prabhjot Singh

Abdus Suttar Khan

Mikhail Pavlov

Felix Michael Reinert

Nigel Anthony Rhodes

Günter Ambrosy

Julius Schurb

Walter Brehm

Jean-Daniel Wagnière

Simone Hövel

Roman Engeli

Lukas Rickenbacher

Karsten Franitza

Edward Obbard

William Thomas Carter

John Broddus Deaton, Jr

Herbert Brandl

Hans-Peter Bossmann

Donnell Eugene Crear

John Fernihough

Thomas Charles Adcock

Alexander Stankowski

Carlos Simon-Delgado

Andreas Boegli

John Joseph Madelone, Jr

Jonas Hurter

Lang Yuan

Martin Lewis Smith

Gregoire Etienne Witz

Werner Martin Balbach

Jeffrey Alan De Jonge

Jan Vladimir Schwerdtfeger

Guenter Ambrosy

Gerhart LaMoyne Hanson

Sabrina Michelle Puidokas

Emanuele Facchinetti

Guillaume Wagner

Julius Andreas Schurb

Hans Bissig

Peter Lang

Wilhelm Ebeling

Stephane Barril

Yves Pellaton

Rainer Kurtz

Ian James Summerside

Christoph Kohles

Hinde Chabane

Nicolas Campino Johnson

Christoph Niederberger

Felix Roerig

Wilfrid Kurz

Cyrille Bezençon

Simon Hövel

An additive manufacturing system includes a build platform, a plurality of particles positioned on the build platform defining a build layer, a first and second region within the build layer, and at least one consolidation device. The first region and the second region each including a portion of the plurality of particles. The at least one consolidation device is configured to consolidate the plurality of particles within the build layer into a solid, consolidated portion of said build layer. The consolidation device is further configured to consolidate at least one of the plurality of particles within the build layer and the solid, consolidated portion of the build layer into a molten volume of transfer material. The consolidation device is further configured to transfer a portion of the molten volume of transfer material within the first region from the first region to the second region.

Systems and methods for lateral material transfer in additive manufacturing system

A manufactured article is comprised of an additively manufactured component having sequentially joined layers of metallic powder. A braze material is disposed on at least a portion of an outer surface of the component. The braze material is located in expected crack locations in the outer surface. At least one crack formed in the outer surface, during a heat treatment, is filled with the braze material. The additively manufactured component comprises a metallic material from a precipitation hardened nickel-based superalloy, which forms a &#x3b3;' phase.

Manufactured article and method

An additive manufacturing system includes a laser device, a build plate, and a scanning device. The laser device is configured to generate a laser beam with a variable intensity. The build plate is configured to support a powdered build material. The scanning device is configured to selectively direct the laser beam across the powdered build material to generate a melt pool on the build plate. The scanning device is configured to oscillate a spatial position of the laser beam while the laser device simultaneously modulates the intensity of the laser beam to facilitate reducing spatter and to facilitate reducing a temperature of the melt pool to reduce overheating of the melt pool.

Systems and methods for dynamic shaping of laser beam profiles in additive manufacturing

An additive manufacturing system includes a laser device, a build plate, and a scanning device. The laser device is configured to generate a laser beam with a variable intensity. The build plate is configured to support a powdered build material. The scanning device is configured to selectively direct the laser beam across the powdered build material to generate a melt pool on the build plate. The scanning device is configured to oscillate a spatial position of the laser beam while the laser device is configured to simultaneously modulate the intensity of the laser beam to thermally control the melt pool.

Systems and methods for dynamic shaping of laser beam profiles for control of micro-structures in additively manufactured metals

The invention concerns a turbine for a gas turbine comprising a blade, a vane and an abradable lip attached to the blade or to the vane, wherein the blade and the vane are separated by a gap and the abradable lip extends part of the distance across the gap. Embodiments include the addition of an abrasive layer attached on the other side of the gap from the abradable lip. A method of manufacturing is also described.

Abradable lip for a gas turbine

A method of coating a component using a robotic spray system is provided. The robotic spray system includes a scanning apparatus operable to measure and store surface characteristics before and after coating; a robotic arm operable to move the robotic spray system relative to a surface of a component, the component including one or more reference features which remains uncoated during the coating; a spray nozzle operable to deposit a sprayed coating onto the surface; and a device driver module including circuitry configured to operate the scanning apparatus, the robotic arm, and the spray nozzle.

Adaptive robotic thermal spray coating cell

Controlling microstructure in an object created by metal powder additive manufacturing is disclosed. During additive manufacturing of one or more objects using an irradiation beam source system, for each respective layer in a selected range of layers including a cross-sectional area of the one or more objects including the selected object, a duration controller controls actuation of each irradiation device to maintain constant a sum of: an irradiation device melting time, an irradiation device idle time, and a recoating time expended applying a new powder material layer, while otherwise maintaining all other operation parameters of each irradiation device constant.

Controlling microstructure of selected range of layers of object during additive manufacture

In some cases, an additive manufacturing (AM) system includes: a process chamber for additively manufacturing a component, the process chamber having: a build platform; at least one melting beam scanner configured to emit a melting beam for melting powder on the build platform; an applicator for applying layers of powder to the build platform; and a reservoir for storing powder; and a control system coupled with the set of melting beam scanners, the control system configured to: apply the melting beam to a layer of powder on the build platform along a primary melting path; and apply the melting beam to the layer of powder on the build platform along a re-melting path after applying the melting beam along the primary melting path, the re-melting path overlapping a portion of the primary melting path and applied only in an area proximate a perimeter of the component.

Melting beam surface processing in additive manufacturing

A method for manufacturing a mechanical component by additive manufacturing which includes at least one layering sequence of depositing a powder material and locally melting and resolidifying the powder material. In each layering sequence, a solid layer of solidified material is formed, wherein the solid layers jointly form a solid body. An annealing sequence subsequent to at least one layering sequence includes, locally heating at least a region of the solid body in effecting a local heat input to the immediately beforehand manufactured solid layer which was formed by the immediately precedent layering sequence, with temperature being is maintained below a melting temperature of the material.

Method for manufacturing a mechanical component

A coupon for replacing a cutout in a hot gas path component of a turbomachine is provided. In one embodiment, the coupon includes a body having an outer surface; and a plurality of grinding depth indicators in the outer surface of the body. In another embodiment, the coupon includes a body having an edge periphery configured to mate with an edge periphery of the cutout, and at least a portion of the edge periphery of the body has a wall thickness greater than a wall thickness of an edge periphery of the cutout. The embodiments may be used together or separately.

Coupon for hot gas path component having manufacturing assist features

The invention refers to a method for selective laser melting additive manufacturing a three-dimensional metallic or ceramic article/component entirely or partly. The method includes successively building up said article/component layer by layer directly from a powder bed of a metallic or ceramic base material by means of remelting the layers with a high energy laser beam, moving repetitively across the areas, which are to be solidified. The movement of the laser beam is made of a superposition of a continuous linear movement and at least one superimposed oscillation with a determined frequency and amplitude. The oscillation is created by a beam deflection device and the same beam deflection device is also used for linear positioning movement.

Method for manufacturing a metallic or ceramic component by selective laser melting additive manufacturing

A coated substrate is described including a substrate material, which is coated at least in part with an oxidation-resistant coating, wherein the coating consists of a wear-resistant abrasive coating layer, which contains or consists of coated abrasive particles embedded in an oxidation-resistant matrix material, wherein at least some of the abrasive particles consist of &#x3b1;-AlOand the abrasive particles are coated with a first particle coating layer disposed on the abrasive particles and an optional second particle coating layer disposed on the first particle coating layer, wherein the matrix material contains or consists of the compound MCrAlY, wherein M is at least one element selected from the group consisting of Ni, Co and Fe. A method for manufacturing such a coated substrate is also disclosed.

Abrasive coated substrate and method for manufacturing thereof

The invention refers to a method for manufacturing a hybrid component including the following steps of manufacturing a preform as a first part of the hybrid component, then successively building up on that preform a second part of the component from a metallic powder material by means of an additive manufacturing process by scanning with an energy beam, thereby establishing a controlled grain orientation in primary and in secondary direction of at least a part of the second part of the component. The controlled secondary grain orientation is realized by applying a specific scanning pattern of the energy beam, which is aligned to the cross section profile of the component or to the local load conditions for the component.

Method for manufacturing a hybrid component

A configuration for joining a ceramic layer has a thermal insulating material to a metallic layer. The configuration includes an interface layer made of metallic material located between the ceramic layer and the metallic layer, which includes a plurality of interlocking elements on one of its sides, facing the ceramic layer, the ceramic layer comprising a plurality of cavities aimed at connecting with the corresponding interlocking elements of the interface layer. The configuration also includes a brazing layer by means of which the interface layer is joint to the metallic layer. The invention also refers to a method for obtaining such a configuration.

Method for obtaining a configuration for joining a ceramic material to a metallic structure

An insert element for closing an opening inside a wall of a hot gas path component of a gas turbine includes a plate like body with an opening sided surface. The surface provides at least one first area which projects beyond at least one second area of said surface which surrounds the at least one first area frame-like. The at least one first area is encompassed by a circumferential edge corresponding in form and size to the opening such that the circumferential edge and the opening contour limit a gap at least in some areas, while the at least one second area contacts directly or indirectly the wall of the hot gas path component at a rear side facing away from the hot gas path. The plate like body provides at least a first functional layer-system, providing at least one layer made of heat resistant material, defining the first area of the surface (S).

Insert element for closing an opening inside a wall of a hot gas path component of a gas turbine and method for enhancing operational behaviour of a gas turbine

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Windisch, Switzerland

Matthias Hoebel