General Electric Company

Prabhjot Singh

Michael Evans Graham

Mark Allen Cheverton

Srikanth Chandrudu Kottilingam

John Broddus Deaton, Jr

Francis Howard Little

Changjie Sun

Arvind Rangarajan

Marshall Gordon Jones

Daniel Jason Erno

Joseph John Shiang

Robert John Filkins

Guanghua Wang

Subhrajit Roychowdhury

Matthias Hoebel

Robert Arvin Hedeen

Ananda Barua

Thomas Charles Adcock

Yanzhe Yang

Dean Michael Robinson

Felix Martin Gerhard Roerig

Nicholas Joseph Kray

William Thomas Carter

Bin Wei

Kwok Pong Chan

Weston Blaine Griffin

Zachary John Snider

Thomas James Batzinger

Thomas Kwok-Fah Foo

Brian David Yanoff

Arunkumar Natarajan

Steven Robert Hayashi

David Vincent Bucci

Yong Yang

Todd Jay Rockstroh

Sathyanarayanan Raghavan

Yanyan Wu

Magdi Naim Azer

Matthew Harvey Krohn

Andrew David Deal

Huan Qi

Jeffrey Joseph Popielarczyk

Wenqing Peng

Andrew Lee Trimmer

Vadim Bromberg

Brendon James Leary

Michael Francis Xavier Gigliotti, Jr

Waseem Ibrahim Faidi

Zhipeng Zhang

Donnell Eugene Crear

Edward James Nieters

Kevin Warner Flanagan

James Norman Barshinger

Thomas Etter

Philip Alexander Shoemaker

Jeffrey Jon Schoonover

Jean-Baptiste Mathieu

Pinghai Yang

Lang Yuan

Jian Ying Li

Garth M Nelson

Jian Lin

Juan Pablo Cilia

Ming Jia

Paul Aloysius Meyer

Evan John Dozier

Wei Luo

Mark Douglas Gledhill

Donald Brett Desander

Guoliang Wang

Carlos Bonilla Gonzalez

Sudhir Kumar Tewari

Michael Everett Keller

Yibo Gao

Joseph Block

Diego Quinones

Gautam Suresh Naik

Meisam Salahshoor Pirsoltan

Robert Jeffrey Pieciuk

Timothy Jesse Sheets

Huiyu Xu

Kenneth Paul Zarnock

Joseph Giancarlo Sabato

John Broddus Deaton

Jr John Broddus Deaton

Michael Francis Xavier Gigliotti Jr

A system is configured for machining a workpiece (), the workpiece includes an interior surface () that defines an internal passage (). The system includes an electrode () located within the internal passage and electrically isolated from the workpiece, an electrolyte supply, a power supply, and a remover. The electrolyte supply is configured for circulating an electrolyte in a gap between the electrode and the workpiece. The power supply is configured for applying a voltage between the electrode and the workpiece to facilitate smoothing the interior surface. The remover is configured for completely removing the electrode from within the internal passage after smoothing the interior surface.

System and method for machining workpiece and article machined therefrom

A method, medium, and system to receive a specification defining a model of a part to be produced by an additive manufacturing (AM) process; execute an AM simulation on the model of the part to determine a prediction of thermal distortions to the part; execute a topology optimization (TO) to create TO supports that counteract the predicted thermal distortions; generate at least one rule-based support based on a geometry of the part to interface with the part at one or more regions other than the TO supports; combining the TO supports and the at least one rule-based support to generate a set of hybrid supports; save a record of the set of hybrid supports; and transmit the record of the set of hybrid supports to an AM controller to control an AM system to generate a support structure for an AM production of the part.

Hybrid support structures for additively printed parts

A method, medium, and system to execute an additive manufacturing (AM) simulation on a model of a part; determine, based on the AM simulation, a prediction of a temperature and displacement distribution in the part at a particular time in the AM process; apply the predicted temperature and displacement distributions in the part as a boundary conditions on a support design space to determine a temperature distribution throughout the support design space; and execute a thermal-structural topology optimization based on the determined temperature and displacement distributions throughout the support design space to determine a distribution of material in the design space for a thermal support structure to interface with the part that optimally reduces a thermal gradient in the part with a minimum of material and results in the generation of an optimized AM support structure.

Multiphysics automated support generation for additively manufactured components

A component formed by an additive manufacturing process includes a body and a first vibration damper. The body is formed from an additive manufacturing material, and defines at least a first cavity completely enclosed within the body. The first vibration damper is disposed within the first cavity. The first vibration damper includes a flowable medium and a first solidified element formed from the additive manufacturing material. The flowable medium surrounds the first solidified element.

Components having vibration dampers enclosed therein and methods of forming such components

A turbine shroud for turbine systems may include a unitary body including a support portion coupled directly to a turbine casing of the turbine system, and forward hook(s) and aft hook(s) formed integral with the support portion. The unitary body may also include an intermediate portion formed integral with and extending from the support portion. The intermediate portion may include a non-linear segment extending from the support portion, and a forward segment formed integral with the non-linear segment. The forward segment of the intermediate portion may be positioned axially upstream of the forward hook(s). Additionally the unitary body may include a seal portion formed integral with the intermediate portion, opposite the support portion. The seal portion may include a forward end formed integral with the intermediate portion. The forward end may be positioned axially upstream of the forward hook(s).

Unitary body turbine shroud for turbine systems

A direct metal laser melting (DMLM) system for enhancing build parameters of a DMLM component includes a confocal optical system configured to measure at least one of a melt pool size and a melt pool temperature. The DMLM system further includes a computing device configured to receive at least one of the melt pool size or the melt pool temperature from the confocal optical system. Furthermore, the DMLM system includes a controller configured to control the operation of a laser device based on at least one build parameter.

System and methods for enhancing the build parameters of a component

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

A method of additively manufacturing an article includes forming a first portion of the article by three-dimensional printing of a plurality of first layers from a first powder material cut having a first average particle size corresponding to a first feature resolution. The first layers have a first average layer thickness. The method also includes forming a second portion of the article by three-dimensional printing of a plurality of second layers from a second powder material cut having a second average particle size corresponding to a second feature resolution less than the first feature resolution. The second portion includes at least one feature. The second layers have a second average layer thickness less than the first average layer thickness. A three-dimensional printing system and an article formed from a powder material by three-dimensional printing are also disclosed.

Additive manufacturing system, article, and method of manufacturing an article

A method that includes additively manufacturing with an additive manufacturing (AM) system a sub-component that has a locator element. Using a control system of the AM system for positioning a first location of the locator element. Selectively placing a portion of another sub-component adjacent to the locator element, based on the positioning. Then attaching the second sub-component to the first sub-component in a region, wherein the region is based on the positioning knowledge from the control system so as to make a component. A component that comprises a first sub-component that has an AM locator element; and a second sub-component attached to the first sub-component, wherein the locator element is attached to the second sub-component within the same additive manufacturing build chamber as the first sub-component.

Additively manufactured component with locator element for aligning sub-components

A method of binder jet printing a part includes depositing a layer of a powder on a working surface and selectively printing a binder solution comprising a binder into the layer of powder in a first pattern to generate a printed layer. The pattern is representative of a structure of a layer of the part. The method also includes selectively printing a channel support agent solution comprising a channel support agent into the layer of powder to generate a green body. The channel support agent is selectively printed in a second pattern representative of an internal channel of the part. The method further includes heating the green body part above a first temperature to remove the binder and generate a brown body part and heating the brown body part above a second temperature to sinter the powder to generate the part having the internal channel generated from removal of the channel support agent.

Method for channel formation in binder jet printing

A gradient coil comprises a curved conductor, which is tubular and has a general spiral shape. The curved conductor is formed by a process comprising depositing at least one non-conductive material layer by layer to form a substrate, and coating at least a portion of a surface of the substrate with a conductive material. The substrate has a shape matching with the general spiral shape of the curved conductor. Embodiments of the present disclosure further refer to a method for manufacturing the gradient coil.

Gradient coil and manufacturing method

Method for additively manufacturing component and component made therefrom

A method for treating a powder, includes: dry mixing the powder with an effective amount of a treating additive to distribute a layer of the treating additive on a surface of a particle of the powder, a primary particle size of the treating additive being smaller than an average particle size of the powder. An associated treated powder is also described.

Method for treating powder by dry mixing and powder treated thereby

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Guilderland, NY, United States of America

Prabhjot Singh