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Gabriel Demeneghi

NASA Marshall Space Flight Center

SCHOLARLY PAPERS

9

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1,237

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10

Scholarly Papers (9)

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1.

Grx-810: High-Temperature Behavior, Size Effects, and Deformation Mechanisms

Number of pages: 29 Posted: 01 Jan 2025
Mehrdad Pourjam, Gabriel Demeneghi, Daniel June, Paul Gradl, Timothy M. Smith, Sammy Tin and Kavan Hazeli
University of Arizona, NASA Marshall Space Flight Center, University of Arizona, NASA Marshall Space Flight Center, NASA Glenn Research Center, University of Arizona and University of Arizona
Downloads 318 (240,877)

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GRX-810, High Temperature behavior, Deformation Mechanisms

2.

Grx-810: High-Temperature Behavior, Deformation Mechanisms, and Size Effects

Downloads 296 (272,209)

Grx-810: High-Temperature Behavior, Deformation Mechanisms, and Size Effects

Number of pages: 29 Posted: 12 Feb 2025
Mehrdad Pourjam, Gabriel Demeneghi, Daniel June, Paul Gradl, Timothy M. Smith, Sammy Tin and Kavan Hazeli
University of Arizona, NASA Marshall Space Flight Center, University of Arizona, NASA Marshall Space Flight Center, NASA Glenn Research Center, University of Arizona and University of Arizona
Downloads 200 (401,791)

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GRX-810, Multi-Principal Element Alloys, High-Temperature Properties, Deformation Mechanisms

Grx-810: High-Temperature Behavior, Deformation Mechanisms, and Size Effects

Number of pages: 29 Posted: 07 Apr 2025
Mehrdad Pourjam, Gabriel Demeneghi, Daniel June, Paul Gradl, Timothy M. Smith, Sammy Tin and Kavan Hazeli
University of Arizona, NASA Marshall Space Flight Center, University of Arizona, NASA Marshall Space Flight Center, NASA Glenn Research Center, University of Arizona and University of Arizona
Downloads 53 (1,095,444)

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GRX-810, Multi-Principal Element Alloys, High-Temperature Properties, Deformation Mechanisms

Grx-810: High-Temperature Behavior, Deformation Mechanisms, and Size Effects

Number of pages: 29 Posted: 07 Apr 2025
Mehrdad Pourjam, Gabriel Demeneghi, Daniel June, Paul Gradl, Timothy M. Smith, Sammy Tin and Kavan Hazeli
University of Arizona, NASA Marshall Space Flight Center, University of Arizona, NASA Marshall Space Flight Center, NASA Glenn Research Center, University of Arizona and University of Arizona
Downloads 43 (1,183,247)

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GRX-810, Multi-Principal Element Alloys, High-Temperature Properties, Deformation Mechanisms

3.

Direct Energy Deposition Grcop-42 Copper Alloy: Characterization and Size Effects

Downloads 152 (491,334)
Citation 2

Direct Energy Deposition Grcop-42 Copper Alloy: Characterization and Size Effects

Number of pages: 34 Posted: 01 Apr 2022
Gabriel Demeneghi, Baxter Barnes, Paul Gradl, David Ellis, Jason R. Mayeur and Kavan Hazeli
NASA Marshall Space Flight Center, affiliation not provided to SSRN, NASA Marshall Space Flight Center, NASA Glenn Research Center, Government of the United States of America - Manufacturing Science Division and University of Arizona
Downloads 113 (634,304)

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Additive Manufacturing, Direct Energy Deposition, Thin-Walled Structures, Size Effects, Microstructure

Direct Energy Deposition Grcop-42 Copper Alloy: Characterization and Size Effects

Number of pages: 34 Posted: 27 May 2022
Gabriel Demeneghi, Baxter Barnes, Paul Gradl, David Ellis, Jason R. Mayeur and Kavan Hazeli
NASA Marshall Space Flight Center, affiliation not provided to SSRN, NASA Marshall Space Flight Center, NASA Glenn Research Center, Government of the United States of America - Manufacturing Science Division and University of Arizona
Downloads 39 (1,224,220)
Citation 2

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additive manufacturing, Direct Energy Deposition, Thin-Walled Structures, Size effects, microstructure

4.

Size Effect Characteristics and Influences on Fatigue Behavior of Laser Powder Bed Fusion of Grcop-42 Copper Alloy

Number of pages: 25 Posted: 25 May 2023
Gabriel Demeneghi, Paul Gradl, Jason R. Mayeur and Kavan Hazeli
NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, Government of the United States of America - Manufacturing Science Division and University of Arizona
Downloads 120 (596,393)

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Copper alloys, Size Effect, Mechanisms, Fatigue

5.

High-Temperature Behavior of Additively Manufactured Haynes 214:  Ductility Loss and Deformation Mechanisms Transition

Downloads 116 (621,896)
Citation 2

High-Temperature Behavior of Additively Manufactured Haynes 214:  Ductility Loss and Deformation Mechanisms Transition

Number of pages: 30 Posted: 20 Aug 2024
Daniel June, Mehrdad Pourjam, Paul Gradl, Gabriel Demeneghi and Kavan Hazeli
University of Arizona, University of Arizona, NASA Marshall Space Flight Center, NASA Marshall Space Flight Center and University of Arizona
Downloads 73 (871,518)
Citation 2

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High-Temperature Behavior, Deformation Mechanisms, Ductility Loss, Thin-walls

High-Temperature Behavior of Additively Manufactured Haynes 214:  Ductility Loss and Deformation Mechanisms Transition

Number of pages: 31 Posted: 17 Jun 2024
Daniel June, Mehrdad Pourjam, Paul Gradl, Gabriel Demeneghi and Kavan Hazeli
University of Arizona, University of Arizona, NASA Marshall Space Flight Center, NASA Marshall Space Flight Center and University of Arizona
Downloads 43 (1,183,247)

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High-Temperature Behavior, Ductility Loss, strengthening mechanisms, Deformation mechanisms, Thin-walls

6.

Yield Surface Characterization of GRX-810: Linking Texture,  Microstructure, and Anisotropic Behavior

Number of pages: 30 Posted: 04 Dec 2025
Mehrdad Pourjam, Gabriel Demeneghi, Hallie L. Collopy, Paul Gradl, Timothy M. Smith and Kavan Hazeli
University of Arizona, NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, NASA Glenn Research Center and University of Arizona
Downloads 71 (899,324)

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GRX-810, Multi-Principal Element Alloy, Multiaxial loading, Yield surface, anisotropy

7.

Additively Manufactured Grcop-42 Copper-Alloy Combustion Chamber Failure Analysis: The Role of Build Interruptions

Number of pages: 41 Posted: 27 Feb 2025
Gabriel Demeneghi, Benjamin B. Williams, Colton Katsarelis, William Tilson and Paul Gradl
NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, NASA Marshall Space Flight Center and NASA Marshall Space Flight Center
Downloads 70 (924,743)

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Build interruption, GRCop-42, Copper Alloy, fatigue, Tensile strength, Elongation, Aerospace failure

8.

Size Effect Characteristics and Influences on Fatigue Behavior of Laser Powder Bed Fusion of Thin Wall GRCop-42 Copper Alloy

Number of pages: 26 Posted: 09 Nov 2023
Gabriel Demeneghi, Paul Gradl, Jason R. Mayeur and Kavan Hazeli
NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, Government of the United States of America - Manufacturing Science Division and University of Arizona
Downloads 52 (1,052,702)
Citation 2

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additive manufacturing, thin wall, size effects, microstructure, fatigue

9.

Grcop-42: Comparison between Laser Powder Bed Fusion and Laser Powder Direct Energy Deposition

Number of pages: 20 Posted: 15 May 2024
Gabriel Demeneghi, Paul Gradl, Jason R. Mayeur and Kavan Hazeli
NASA Marshall Space Flight Center, NASA Marshall Space Flight Center, Government of the United States of America - Manufacturing Science Division and University of Arizona
Downloads 42 (1,170,409)
Citation 4

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GRCop-42, Copper Alloy, L-PBF, LP-DED, Porosity, Surface topography, Microstructure, Texture, Tensile testing