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Journal Articles

Forecasting High Cycle and Very High Cycle Fatigue Through Enhanced Strain-Energy Based Fatigue Life Prediction

Dino Celli, Luke Sheridan, Tommy George, Justin Warner, Lucas Smith
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. July 2025, 147(7): 071018.
Paper No: GTP-24-1743
https://doi.org/10.1115/1.4067217
Published Online: January 20, 2025
View Article titled, Forecasting High Cycle and Very High Cycle Fatigue Through Enhanced Strain-Energy Based Fatigue Life Prediction
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Topics: Cycles, Fatigue, Fatigue life, Fatigue testing, Stress, Failure, High cycle fatigue
Proceedings Papers

Forecasting High Cycle and Very High Cycle Fatigue Through Enhanced Strain-Energy Based Fatigue Life Prediction

Dino Celli, Luke Sheridan, Tommy George, Justin Warner, Lucas Smith
Proc. ASME. GT2024, Volume 10B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V10BT24A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-129455
https://doi.org/10.1115/GT2024-129455
View Paper titled, Forecasting High Cycle and Very High Cycle Fatigue Through Enhanced Strain-Energy Based Fatigue Life Prediction
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Topics: Cycles, Fatigue life, High cycle fatigue, Fatigue, Stress, Failure, Additive manufacturing, Fatigue testing, Servomechanisms, Bone
Proceedings Papers

Damping and Fatigue Performance of Additive Manufactured Particle Damper Infused Instrumentation Rake

Dino A. Celli, Timothy Janczewski, Luke Sheridan, Onome Scott-Emuakpor, Justin Warner, Lucas Smith, John Hollkamp, Lorean Napper, Tommy George
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT23A007, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103274
https://doi.org/10.1115/GT2023-103274
View Paper titled, Damping and Fatigue Performance of Additive Manufactured Particle Damper Infused Instrumentation Rake
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Topics: Additive manufacturing, Dampers, Damping, Fatigue, Instrumentation, Particulate matter, Excitation, Q-factor, Blades, Cavities
Journal Articles

Establishing an Acceptance Criteria for Assessing Fatigue of Additive Repair Processes

Onome Scott-Emuakpor, Luke Sheridan, Joseph Beck, Brian Runyon, Tommy George
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121007.
Paper No: GTP-21-1344
https://doi.org/10.1115/1.4052061
Published Online: October 4, 2021
View Article titled, Establishing an Acceptance Criteria for Assessing Fatigue of Additive Repair Processes
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Topics: Acceptance criteria, Fatigue, Maintenance, Wire, Cycles, Microscopy, Stress, Fractography
Proceedings Papers

Establishing an Acceptance Criteria for Assessing Fatigue of Additive Repair Processes

Onome Scott-Emuakpor, Luke Sheridan, Joseph Beck, Brian Runyon, Tommy George
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A010, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59480
https://doi.org/10.1115/GT2021-59480
View Paper titled, Establishing an Acceptance Criteria for Assessing Fatigue of Additive Repair Processes
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Topics: Acceptance criteria, Additive manufacturing, Airfoils, Fatigue, Gas turbines, Maintenance, Titanium
Journal Articles

Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping

Onome Scott-Emuakpor, Luke Sheridan, Brian Runyon, Tommy George
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101009.
Paper No: GTP-20-1707
https://doi.org/10.1115/1.4051489
Published Online: September 3, 2021
View Article titled, Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping
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Topics: Damping, Fatigue, Vibration, Additive manufacturing, Stress, Vibration suppression, Fatigue life
Proceedings Papers

Structural Integrity Assessments for Validating Directed Energy Deposition Repairs of Integrally Bladed Rotor

Onome Scott-Emuakpor, Brian Runyon, Tommy George, Andrew Goldin, Casey Holycross, Luke Sheridan, Dino Celli, Bryan Langley, Daniel Gillaugh, Manigandan Kannan, Sulochana Shrestha, Andrew Gyekenyesi
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A006, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14361
https://doi.org/10.1115/GT2020-14361
View Paper titled, Structural Integrity Assessments for Validating Directed Energy Deposition Repairs of Integrally Bladed Rotor
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Topics: Maintenance, Rotors, Titanium
Proceedings Papers

Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping

Onome Scott-Emuakpor, Luke Sheridan, Brian Runyon, Tommy George
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A002, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14122
https://doi.org/10.1115/GT2020-14122
View Paper titled, Vibration Fatigue Assessment of Additive Manufactured Nickel Alloy With Inherent Damping
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Topics: Additive manufacturing, Damping, Fatigue, Nickel alloys, Vibration
eBook Chapter

Primary Processing Parameter Effects on Defects and Fatigue in Alloy 718

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2020
https://doi.org/10.1520/STP162020180092
ISBN: 978-0-8031-7686-7
Open the PDF for Primary Processing Parameter Effects on Defects and Fatigue in Alloy 718 in another window
Journal Articles

Assessing Additive Manufacturing Repeatability of Inherently Damped Nickel Alloy Components

Onome Scott-Emuakpor, Tommy George, Brian Runyon, Casey Holycross, Luke Sheridan, Ryan O'Hara
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2020, 142(3): 031011.
Paper No: GTP-19-1316
https://doi.org/10.1115/1.4044314
Published Online: January 29, 2020
View Article titled, Assessing Additive Manufacturing Repeatability of Inherently Damped Nickel Alloy Components
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Topics: Damping, Manufacturing, Additive manufacturing, Nickel alloys
Proceedings Papers

Assessing Manufacturing Repeatability of Inherently Damped Nickel Alloy Components via Forced-Response Testing

Onome Scott-Emuakpor, Tommy George, Brian Runyon, Luke Sheridan, Casey Holycross, Ryan O’Hara
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A010, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90945
https://doi.org/10.1115/GT2019-90945
View Paper titled, Assessing Manufacturing Repeatability of Inherently Damped Nickel Alloy Components via Forced-Response Testing
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Topics: Manufacturing, Nickel alloys, Testing, Damping, Geometry, Displacement, Shear (Mechanics), Additive manufacturing, Lasers
Journal Articles

Investigating Discrepancies in Vibration Bending Fatigue Behavior of Additively Manufactured Titanium 6Al-4V

Onome Scott-Emuakpor, Casey Holycross, Tommy George, Luke Sheridan, Emily Carper, Joseph Beck
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. October 2019, 141(4): 041002.
Paper No: MATS-18-1208
https://doi.org/10.1115/1.4042955
Published Online: March 12, 2019
View Article titled, Investigating Discrepancies in Vibration Bending Fatigue Behavior of Additively Manufactured Titanium 6Al-4V
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Topics: Fatigue, Fracture (Materials), Stress, Titanium, Vibration, Additive manufacturing, Uncertainty, Fatigue life
Proceedings Papers

Investigating Damping Performance of Laser Powder Bed Fused Components With Unique Internal Structures

Onome Scott-Emuakpor, Tommy George, Brian Runyon, Casey Holycross, Bryan Langley, Luke Sheridan, Ryan O’Hara, Phil Johnson, Joseph Beck
Proc. ASME. GT2018, Volume 7C: Structures and Dynamics, V07CT35A020, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75977
https://doi.org/10.1115/GT2018-75977
View Paper titled, Investigating Damping Performance of Laser Powder Bed Fused Components With Unique Internal Structures
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Topics: Damping, Lasers, Vibration suppression, Additive manufacturing, Design, Geometry, Internal friction, Manufacturing, Optimization, Physics
Proceedings Papers

Investigating Discrepancies in Vibration Bending Fatigue Behavior of Additively Manufactured Titanium 6Al-4V

Onome Scott-Emuakpor, Casey Holycross, Tommy George, Luke Sheridan, Emily Carper, Joseph Beck
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A015, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75978
https://doi.org/10.1115/GT2018-75978
View Paper titled, Investigating Discrepancies in Vibration Bending Fatigue Behavior of Additively Manufactured Titanium 6Al-4V
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Topics: Additive manufacturing, Fatigue, Titanium, Vibration, Fatigue life, Stress, Uncertainty, Electromagnetic scattering, Density, Fracture (Materials)