Patents by Inventor Christopher Schuh
Christopher Schuh 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: 20240002986Abstract: Iron-containing alloys, and associated systems and methods, are generally described. The iron-containing alloys are, according to certain embodiments, nanocrystalline. According to certain embodiments, the iron-containing alloys have high relative densities. The iron-containing alloys can be relatively stable, according to certain embodiments. Inventive methods for making iron-containing alloys are also described herein. The inventive methods for making iron-containing alloys can involve, according to certain embodiments, sintering nanocrystalline particulates comprising iron and at least one other element (e.g., at least one other metal or a metalloid) to form an iron-containing nanocrystalline alloy.Type: ApplicationFiled: May 12, 2023Publication date: January 4, 2024Applicant: Massachusetts Institute of TechnologyInventors: Dor Amram, Christopher A. Schuh
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Publication number: 20230399724Abstract: Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy.Type: ApplicationFiled: March 27, 2023Publication date: December 14, 2023Applicant: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Mansoo Park
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Publication number: 20230383380Abstract: Molybdenum-containing alloys, and associated systems and methods, are generally described. In certain embodiments, secondary and/or tertiary elements can be included, along with molybdenum, to provide beneficial properties during the sintering of the molybdenum-containing alloy. The molybdenum-containing alloys are, according to certain embodiments, nanocrystalline. According to certain embodiments, the molybdenum-containing alloys have high relative densities. The molybdenum-containing alloys can be relatively stable, according to certain embodiments. Inventive methods for making molybdenum-containing alloys are also described herein.Type: ApplicationFiled: August 3, 2023Publication date: November 30, 2023Applicant: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Christian Oliver
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Patent number: 11674205Abstract: Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy.Type: GrantFiled: August 12, 2019Date of Patent: June 13, 2023Assignee: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Mansoo Park
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Patent number: 11650193Abstract: Identifying a stable phase of a binary alloy comprising a solute element and a solvent element. In one example, at least two thermodynamic parameters associated with grain growth and phase separation of the binary alloy are determined, and the stable phase of the binary alloy is identified based on the first thermodynamic parameter and the second thermodynamic parameter, wherein the stable phase is one of a stable nanocrystalline phase, a metastable nanocrystalline phase, and a non-nanocrystalline phase. In different aspects, an enthalpy of mixing of the binary alloy may be calculated as a first thermodynamic parameter, and an enthalpy of segregation of the binary alloy may be calculated as a second thermodynamic parameter.Type: GrantFiled: January 22, 2019Date of Patent: May 16, 2023Assignee: Massachusetts Institute of TechnologyInventors: Heather A. Murdoch, Christopher A. Schuh
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Patent number: 11644288Abstract: Nanocrystalline alloy penetrators and related methods are generally provided. In some embodiments, a munition comprises a nanocrystalline alloy penetrator. In certain embodiments, the nanocrystalline alloy has particular properties (e.g., grain size, grain isotropy, mechanical properties) such that the penetrator acts as a rigid body kinetic penetrator.Type: GrantFiled: September 16, 2016Date of Patent: May 9, 2023Assignee: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Zachary Copoulos Cordero, Mansoo Park
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Publication number: 20230127567Abstract: Herein is provided a ferrous shape memory alloy (SMA) wire and processes for production of ferrous shape memory alloy wire that do not require crystallographic texturing processes to achieve superior superelastic and SMA wire properties. The shape memory alloy wire includes an elongated wire body with a longitudinal-axis length of iron alloy material and has a cross-sectional wire diameter that is less than about 1 millimeter. The iron alloy material has an oligocrystalline crystallographic morphology along the longitudinal-axis length. The iron alloy material has a ?-fcc crystallographic matrix and a volume fraction of ?-LH crystallographic precipitates in the ?-fee crystallographic matrix.Type: ApplicationFiled: April 2, 2021Publication date: April 27, 2023Inventors: EDWARD PANG, CHRISTOPHER A. SCHUH, WONSEOK CHOI
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Patent number: 11634797Abstract: Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy.Type: GrantFiled: August 12, 2019Date of Patent: April 25, 2023Assignee: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Mansoo Park
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Patent number: 11634831Abstract: Coated articles and methods for applying coatings are described. In some cases, the coating can exhibit desirable properties and characteristics such as durability, corrosion resistance, and high conductivity. The articles may be coated, for example, using an electrodeposition process.Type: GrantFiled: December 16, 2019Date of Patent: April 25, 2023Assignee: Xtalic CorporationInventors: John Cahalen, Alan C. Lund, Christopher A. Schuh
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Publication number: 20230029309Abstract: Titanium-containing alloys are generally described. The titanium-containing alloys are, according to certain embodiments, nanocrystalline. According to certain embodiments, the titanium-containing alloys have high relative densities. The titanium-containing alloys can be relatively stable, according to certain embodiments. Inventive methods for making titanium-containing alloys are also described herein. The inventive methods for making titanium-containing alloys can involve, according to certain embodiments, sintering nanocrystalline particulates comprising titanium and at least one other metal to form a titanium-containing nanocrystalline alloy.Type: ApplicationFiled: April 29, 2022Publication date: January 26, 2023Applicant: Massachusetts Institute of TechnologyInventors: Kathrin Graetz, Christopher A. Schuh
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Publication number: 20210238711Abstract: Molybdenum-containing alloys, and associated systems and methods, are generally described. In certain embodiments, secondary and/or tertiary elements can be included, along with molybdenum, to provide beneficial properties during the sintering of the molybdenum-containing alloy. The molybdenum-containing alloys are, according to certain embodiments, nanocrystalline. According to certain embodiments, the molybdenum-containing alloys have high relative densities. The molybdenum-containing alloys can be relatively stable, according to certain embodiments. Inventive methods for making molybdenum-containing alloys are also described herein.Type: ApplicationFiled: November 25, 2020Publication date: August 5, 2021Applicant: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Christian Oliver
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Publication number: 20210008619Abstract: Embodiments described herein relate generally to systems and methods for using nanocrystalline metal alloy particles or powders to create nanocrystalline and/or microcrystalline metal alloy articles using additive manufacturing. In some embodiments, a manufacturing method for creating articles includes disposing a plurality of nanocrystalline particles and selectively binding the particles together to form the article. In some embodiments, the nanocrystalline particles can be sintered to bind the particles together. In some embodiments, the plurality of nanocrystalline particles can be disposed on a substrate and sintered to form the article. The substrate can be a base or a prior layer of bound particles. In some embodiments, the nanocrystalline particles can be selectively bound together (e.g., sintered) at substantially the same time as they are disposed on the substrate.Type: ApplicationFiled: February 12, 2020Publication date: January 14, 2021Applicant: Veloxint CorporationInventors: Alan C. LUND, Christopher A. SCHUH
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Patent number: 10889883Abstract: In a method for forming a shape memory alloy wire a shape memory alloy composition of CuAlMnNi excluding grain refiner elements, is mixed, including between about 20 at % and about 28 at % Al, between about 2 at % and about 4 at % Ni, between about 3 at % and about 5 at % Mn, and Cu as a remaining balance. The mixture is heated between about 1100° C. and about 1400° C. and ejected from a crucible, at an ejection pressure of between about 3 bar and about 5 bar through a nozzle having a nozzle diameter of between about 200 microns and about 280 microns, to a face of a melt spinning wheel with speed of between about 9 m/s and about 13 m/s until there is formed a shape memory alloy wire having a length of at least about 1.5 meters and a diameter of no more than about 150 microns.Type: GrantFiled: November 28, 2018Date of Patent: January 12, 2021Assignee: Massachusetts Institute of TechnologyInventors: Nihan Tuncer, Christopher A. Schuh
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Publication number: 20200232111Abstract: Coated articles and methods for applying coatings are described. In some cases, the coating can exhibit desirable properties and characteristics such as durability, corrosion resistance, and high conductivity. The articles may be coated, for example, using an electrodeposition process.Type: ApplicationFiled: December 16, 2019Publication date: July 23, 2020Applicant: Xtalic CorporationInventors: John Cahalen, Alan C. Lund, Christopher A. Schuh
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Patent number: 10696599Abstract: There is provided a shape memory ceramic structure including an aggregate population of crystalline particles. Each crystalline particle in the population, of crystalline particles comprises a shape memory ceramic particle material. Each crystalline particle in the population of crystalline particles has a crystalline particle extent that is between about 0.5 microns and about fifty microns. At least a portion of the population of crystalline particles has a crystalline structure that is either oligocrystalline or monocrystalline.Type: GrantFiled: February 10, 2017Date of Patent: June 30, 2020Assignees: Massachusetts Institute of Technology, Nanyang Technological UniversityInventors: Zehui Du, Hang Yu, Christopher A. Schuh, Chee Lip Gan
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Patent number: 10596628Abstract: Embodiments described herein relate generally to systems and methods for using nanocrystalline metal alloy particles or powders to create nanocrystalline and/or microcrystalline metal alloy articles using additive manufacturing. In some embodiments, a manufacturing method for creating articles includes disposing a plurality of nanocrystalline particles and selectively binding the particles together to form the article. In some embodiments, the nanocrystalline particles can be sintered to bind the particles together. In some embodiments, the plurality of nanocrystalline particles can be disposed on a substrate and sintered to form the article. The substrate can be a base or a prior layer of bound particles. In some embodiments, the nanocrystalline particles can be selectively bound together (e.g., sintered) at substantially the same time as they are disposed on the substrate.Type: GrantFiled: March 3, 2017Date of Patent: March 24, 2020Assignee: Veloxint CorporationInventors: Alan C. Lund, Christopher A. Schuh
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Patent number: 10585054Abstract: Provided in one embodiment is a method of identifying a stable phase of an ordering binary alloy system comprising a solute element and a solvent element, the method comprising: determining at least three thermodynamic parameters associated with grain boundary segregation, phase separation, and intermetallic compound formation of the ordering binary alloy system; and identifying the stable phase of the ordering binary alloy system based on the first thermodynamic parameter, the second thermodynamic parameter and the third thermodynamic parameter by comparing the first thermodynamic parameter, the second thermodynamic parameter and the third thermodynamic parameter with a predetermined set of respective thermodynamic parameters to identify the stable phase; wherein the stable phase is one of a stable nanocrystalline phase, a metastable nanocrystalline phase, and a non-nanocrystalline phase.Type: GrantFiled: December 12, 2018Date of Patent: March 10, 2020Assignee: Massachusetts Institute of TechnologyInventors: Heather A. Murdoch, Christopher A. Schuh
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Publication number: 20200025697Abstract: Identifying a stable phase of a binary alloy comprising a solute element and a solvent element. In one example, at least two thermodynamic parameters associated with grain growth and phase separation of the binary alloy are determined, and the stable phase of the binary alloy is identified based on the first thermodynamic parameter and the second thermodynamic parameter, wherein the stable phase is one of a stable nanocrystalline phase, a metastable nanocrystalline phase, and a non-nanocrystalline phase. In different aspects, an enthalpy of mixing of the binary alloy may be calculated as a first thermodynamic parameter, and an enthalpy of segregation of the binary alloy may be calculated as a second thermodynamic parameter.Type: ApplicationFiled: January 22, 2019Publication date: January 23, 2020Applicant: Massachusetts Institute of TechnologyInventors: Heather A. Murdoch, Christopher A. Schuh
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Publication number: 20200024715Abstract: In a method for forming a shape memory alloy wire a shape memory alloy composition of CuAlMnNi excluding grain refiner elements, is mixed, including between about 20 at % and about 28 at % Al, between about 2 at % and about 4 at % Ni, between about 3 at % and about 5 at % Mn, and Cu as a remaining balance. The mixture is heated between about 1100° C. and about 1400° C. and ejected from a crucible, at an ejection pressure of between about 3 bar and about 5 bar through a nozzle having a nozzle diameter of between about 200 microns and about 280 microns, to a face of a melt spinning wheel with speed of between about 9 m/s and about 13 m/s until there is formed a shape memory alloy wire having a length of at least about 1.5 meters and a diameter of no more than about 150 microns.Type: ApplicationFiled: November 28, 2018Publication date: January 23, 2020Applicant: Massachusetts Institute of TechnologyInventors: Nihan Tuncer, Christopher A. Schuh
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Publication number: 20200010937Abstract: Provided in one embodiment is a method, comprising: sintering a plurality of nanocrystalline particulates to form a nanocrystalline alloy, wherein at least some of the nanocrystalline particulates may include a non-equilibrium phase comprising a first metal material and a second metal material, and the first metal material may be soluble in the second metal material. The sintered nanocrystalline alloy may comprise a bulk nanocrystalline alloy.Type: ApplicationFiled: August 12, 2019Publication date: January 9, 2020Applicant: Massachusetts Institute of TechnologyInventors: Christopher A. Schuh, Mansoo Park