Patents by Inventor Richard A. DiDomizio
Richard A. DiDomizio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240077438Abstract: An apparatus and method for an inspection apparatus for inspecting a component. The inspection apparatus including a robotic arm. A micro-XRF instrument having an instrument head coupled to the robotic arm. A seat supporting the component within a scanning area during inspection; and a computer in communication with the robotic arm and the micro-XRF instrument.Type: ApplicationFiled: November 10, 2023Publication date: March 7, 2024Inventors: Richard DiDomizio, Michael Christopher Andersen, Walter Vincent Dixon, III, Timothy Hanlon, Wayne Lee Lawrence, Ramkumar Kashyap Oruganti, Jonathan Rutherford Owens, Daniel M. Ruscitto, Adarsh Shukla, Eric John Telfeyan, Gregory Donald Crim, Michael Wylie Krauss, André Dziurla, Sven Martin Joachim Larisch, Falk Reinhardt, Roald Alberto Tagle Berdan, Henning Schroeder
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Publication number: 20220411901Abstract: An oxide dispersion strengthened refractory-based alloy is provided, along with methods of its formation and use. The oxide dispersion strengthened refractory-based alloy may include a refractory-based alloy comprising two or more refractory elements and forming a continuous phase; and a rare earth refractory oxide comprising at least one rare earth element and at least one of the two or more refractory elements. The rare earth refractory oxide forms discrete particles within the continuous phase, and the oxide dispersion strengthened refractory-based alloy comprises 0.1 volume % to 5 volume % of the rare earth refractory oxide.Type: ApplicationFiled: June 29, 2021Publication date: December 29, 2022Inventors: Richard DiDomizio, Andrew Joseph Detor, James Anthony Ruud, Christopher Thomas McLasky
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Publication number: 20220305726Abstract: A system for use in additively manufacturing an object. The system includes a powder bed configured for containment within a build chamber, wherein the powder bed is formed from a mixture of a build material and a bonding agent. The system also includes a heat source configured to selectively heat the powder bed to a temperature such that the build material is at least partially sintered together by the bonding agent. The heat source also selectively heats the powder bed to the temperature that maintains the build material in a solid state.Type: ApplicationFiled: June 14, 2022Publication date: September 29, 2022Inventors: Scott Michael Oppenheimer, Richard DiDomizio, Jason Harris Karp
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Patent number: 11364679Abstract: A system for use in additively manufacturing an object. The system includes a powder bed configured for containment within a build chamber, wherein the powder bed is formed from a mixture of a build material and a bonding agent. The system also includes a heat source configured to selectively heat the powder bed to a temperature such that the build material is at least partially sintered together by the bonding agent. The heat source also selectively heats the powder bed to the temperature that maintains the build material in a solid state.Type: GrantFiled: November 1, 2019Date of Patent: June 21, 2022Assignee: General Electric CompanyInventors: Scott Michael Oppenheimer, Richard DiDomizio, Jason Harris Karp
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Publication number: 20210129427Abstract: A system for use in additively manufacturing an object. The system includes a powder bed configured for containment within a build chamber, wherein the powder bed is formed from a mixture of a build material and a bonding agent. The system also includes a heat source configured to selectively heat the powder bed to a temperature such that the build material is at least partially sintered together by the bonding agent. The heat source also selectively heats the powder bed to the temperature that maintains the build material in a solid state.Type: ApplicationFiled: November 1, 2019Publication date: May 6, 2021Inventors: Scott Michael Oppenheimer, Richard DiDomizio, Jason Harris Karp
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Patent number: 10704133Abstract: A system and method described herein relate to applying an overlay metal-based coating to a metal-based substrate. An article is provided, which includes a metal-based substrate having an overlay metal-based coating disposed on the substrate at an interface. The interface is configured such that a crack formed within the overlay metal-based coating and approaching the interface has a propagation path that is more energetically favorable along the interface than through the interface and into the metal-based substrate.Type: GrantFiled: October 10, 2017Date of Patent: July 7, 2020Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Joseph Detor, Richard DiDomizio, James Anthony Ruud, Soumya Nag
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Patent number: 10640858Abstract: A method for preparing an improved article including a nickel-based superalloy is presented. The method includes heat-treating a workpiece including a nickel-based superalloy at a temperature above the gamma-prime solvus temperature of the nickel-based superalloy and cooling the heat-treated workpiece with a cooling rate less than 50 degrees Fahrenheit/minute from the temperature above the gamma-prime solvus temperature of the nickel-based superalloy so as to obtain a cooled workpiece. The cooled workpiece includes a coprecipitate of a gamma-prime phase and a gamma-double-prime phase, wherein the gamma-prime phase of the coprecipitate has an average particle size less than 250 nanometers. An article having a minimum dimension greater than 6 inches is also presented. The article includes a material having a coprecipitate of a gamma-prime phase and a gamma-double-prime phase, wherein the gamma-prime phase of the coprecipitate has an average particle size less than 250 nanometers.Type: GrantFiled: June 30, 2016Date of Patent: May 5, 2020Assignee: General Electric CompanyInventors: Andrew Joseph Detor, Richard DiDomizio, Timothy Hanlon, Chen Shen, Ning Zhou
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Publication number: 20190241995Abstract: A nickel based alloy, along with methods of its use and manufacture, is provided that may include about 20 wt. % to about 26 wt. % cobalt; about 9 wt. % to about 13 wt. % chromium; about 2 wt. % to about 6 wt. % iron; about 3.5 wt. % to about 6 wt. % aluminum; about 9 wt. % to about 13 wt. % tungsten; about 6 wt. % to about 9 wt. % tantalum; about 0.06 wt. % to about 0.20 wt. % boron; and the balance nickel. The nickel based alloy may have gamma prime precipitates in a plurality of grain interiors and a gamma prime solvus temperature of about 1038° C. or greater. Additionally or alternatively, the nickel based alloy may comprise about 30% by volume or more gamma prime precipitates in the plurality of grain interiors.Type: ApplicationFiled: February 7, 2018Publication date: August 8, 2019Inventors: Akane Suzuki, Steve John Buresh, Richard DiDomizio, Soumya Nag, Scott Michael Oppenheimer, Stephen Gerard Pope
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Patent number: 10260370Abstract: An article, for example a turbomachinery article is presented. The article includes a weldable first component having a base portion and a flange portion. The flange portion is outwardly projecting normal to a surface of the base portion; and is joined with the base portion by a solid state joint. The base portion comprises a nanostructured ferritic alloy; and the flange portion comprises a steel substantially free of oxide nanofeatures. The first component is joined to a second component through the flange portion of the first component by a weld joint.Type: GrantFiled: December 10, 2014Date of Patent: April 16, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Richard DiDomizio, Anne O'Dell Knight, Laura Cerully Dial, Shenyan Huang, Michael Francis Xavier Gigliotti, Jr.
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Publication number: 20190106779Abstract: A system and method described herein relate to applying an overlay metal-based coating to a metal-based substrate. An article is provided, which includes a metal-based substrate having an overlay metal-based coating disposed on the substrate at an interface. The interface is configured such that a crack formed within the overlay metal-based coating and approaching the interface has a propagation path that is more energetically favorable along the interface than through the interface and into the metal-based substrate.Type: ApplicationFiled: October 10, 2017Publication date: April 11, 2019Inventors: Andrew Joseph Detor, Richard DiDomizio, James Anthony Ruud, Soumya Nag
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Patent number: 10190206Abstract: A magnetic component having intermixed first and second regions, and a method of preparing that magnetic component are disclosed. The first region includes a magnetic phase and the second region includes a non-magnetic phase. The method includes mechanically masking pre-selected sections of a surface portion of the component by using a nitrogen stop-off material and heat-treating the component in a nitrogen-rich atmosphere at a temperature greater than about 900° C. Both the first and second regions are substantially free of carbon, or contain only limited amounts of carbon; and the second region includes greater than about 0.1 weight % of nitrogen.Type: GrantFiled: March 16, 2017Date of Patent: January 29, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Laura Cerully Dial, Richard DiDomizio, Francis Johnson
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Patent number: 10184166Abstract: A method for preparing an article including a nickel-based superalloy is presented. The method includes heat-treating a workpiece including a nickel-based superalloy at a temperature above a gamma-prime solvus temperature of the nickel-based superalloy and cooling the heat-treated workpiece with a cooling rate less than 50 degrees Fahrenheit/minute from the temperature above the gamma-prime solvus temperature of the nickel-based superalloy so as to obtain a cooled workpiece. The cooled workpiece includes a gamma-prime precipitate phase having an average particle size less than 250 nanometers at a concentration of at least 10 percent by volume, and is substantially free of a gamma-double-prime phase. An article having a minimum dimension greater than 6 inches is also presented. The article includes a material that has a gamma-prime precipitate phase having an average particle size less than 250 nanometers, and is substantially free of a gamma-double-prime phase.Type: GrantFiled: June 30, 2016Date of Patent: January 22, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Joseph Detor, Richard DiDomizio, Ning Zhou
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Patent number: 10179943Abstract: An article and method of forming the article are disclosed. The article has a surface comprising a nanostructured ferritic alloy. The surface includes a plurality of nanofeatures that include complex oxides of yttrium and titanium disposed in an iron-bearing alloy matrix. The iron-bearing alloy matrix at the surface includes about 5 weight percent to about 30 weight percent of chromium, and about 0.1 weight percent to about 10 weight percent of molybdenum. Further, a concentration of a chi phase or a sigma phase in the nanostructured ferritic alloy at the surface is less than about 5 volume percent. The method generally includes the steps of milling, thermo-mechanically consolidating, annealing, and then cooling at a rate that hinders the formation of chi and sigma phases in the nanostructured ferritic alloy at the surface.Type: GrantFiled: July 18, 2014Date of Patent: January 15, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Shenyan Huang, Richard Didomizio, Raul Basilio Rebak
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Publication number: 20180245194Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Inventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Patent number: 10017844Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: GrantFiled: December 18, 2015Date of Patent: July 10, 2018Assignee: GENERAL ELECTRIC COMPANYInventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer
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Publication number: 20180002794Abstract: A method for preparing an improved article including a nickel-based superalloy is presented. The method includes heat-treating a workpiece including a nickel-based superalloy at a temperature above the gamma-prime solvus temperature of the nickel-based superalloy and cooling the heat-treated workpiece with a cooling rate less than 50 degrees Fahrenheit/minute from the temperature above the gamma-prime solvus temperature of the nickel-based superalloy so as to obtain a cooled workpiece. The cooled workpiece includes a coprecipitate of a gamma-prime phase and a gamma-double-prime phase, wherein the gamma-prime phase of the coprecipitate has an average particle size less than 250 nanometers. An article having a minimum dimension greater than 6 inches is also presented. The article includes a material having a coprecipitate of a gamma-prime phase and a gamma-double-prime phase, wherein the gamma-prime phase of the coprecipitate has an average particle size less than 250 nanometers.Type: ApplicationFiled: June 30, 2016Publication date: January 4, 2018Inventors: Andrew Joseph Detor, Richard DiDomizio, Timothy Hanlon, Chen Shen, Ning Zhou
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Publication number: 20180002793Abstract: A method for preparing an article including a nickel-based superalloy is presented. The method includes heat-treating a workpiece including a nickel-based superalloy at a temperature above a gamma-prime solvus temperature of the nickel-based superalloy and cooling the heat-treated workpiece with a cooling rate less than 50 degrees Fahrenheit/minute from the temperature above the gamma-prime solvus temperature of the nickel-based superalloy so as to obtain a cooled workpiece. The cooled workpiece includes a gamma-prime precipitate phase having an average particle size less than 250 nanometers at a concentration of at least 10 percent by volume, and is substantially free of a gamma-double-prime phase. An article having a minimum dimension greater than 6 inches is also presented. The article includes a material that has a gamma-prime precipitate phase having an average particle size less than 250 nanometers, and is substantially free of a gamma-double-prime phase.Type: ApplicationFiled: June 30, 2016Publication date: January 4, 2018Inventors: Andrew Joseph Detor, Richard DiDomizio, Ning Zhou
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Publication number: 20170260609Abstract: An alloy and method of forming the alloy are provided. The alloy includes a matrix phase, and a population of particulate phases dispersed within the matrix. The matrix includes iron and chromium; and the population includes a first subpopulation of particulate phases and a second subpopulation of particulate phases. The first subpopulation of particulate phases include a complex oxide, having a median size less than about 20 mu, and present in the alloy in a concentration from about 0. 1 volume percent to about 5 volume percent. The second subpopulation of particulate phases have a median size in a range from about 30 nm to about 10 microns, and present in the alloy in a concentration from about 1 volume percent to about 15 volume percent.Type: ApplicationFiled: May 30, 2017Publication date: September 14, 2017Inventors: Richard DiDomizio, Matthew Joseph Alinger, Laura Cerully Dial
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Publication number: 20170183764Abstract: A magnetic component having intermixed first and second regions, and a method of preparing that magnetic component are disclosed. The first region includes a magnetic phase and the second region includes a non-magnetic phase. The method includes mechanically masking pre-selected sections of a surface portion of the component by using a nitrogen stop-off material and heat-treating the component in a nitrogen-rich atmosphere at a temperature greater than about 900° C. Both the first and second regions are substantially free of carbon, or contain only limited amounts of carbon; and the second region includes greater than about 0.1 weight % of nitrogen.Type: ApplicationFiled: March 16, 2017Publication date: June 29, 2017Inventors: Laura Cerully Dial, Richard DiDomizio, Francis Johnson
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Publication number: 20170175244Abstract: An article includes a substrate comprising a precipitate-strengthened alloy and a coating disposed over the substrate. The alloy comprises a) a population of gamma-prime precipitates, the population having a multimodal size distribution with at least one mode corresponding to a size of less than about 100 nanometers; or b) a population of gamma-double-prime precipitates having a median size less than about 300 nanometers. The coating comprises at least two elements, and further comprises a plurality of prior particles. At least a portion of the coating is substantially free of rapid solidification artifacts. Methods for fabricating the article and for processing powder useful for fabricating the article are also provided.Type: ApplicationFiled: December 18, 2015Publication date: June 22, 2017Inventors: Andrew Joseph Detor, Leonardo Ajdelsztajn, Thomas Michael Bigelow, Richard Didomizio, Andrew William Emge, James Anthony Ruud, Michael James Weimer