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Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A022, June 13–17, 2022

Paper No: GT2022-83274

DOI: https://doi.org/10.1115/GT2022-83274

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Topics: Nickel, Superalloys, Alloys, Crystals, Stress, Anisotropy, Gas turbines, High temperature, Solidification, Blades

Proceedings Papers

Establishing a Generic Stress-Life Framework for Single-Crystal Nickel-Base Superalloys

Firat Irmak, Sahil Karim, Nathan O’Nora, Ali P. Gordon

Paper No: GT2022-83276

DOI: https://doi.org/10.1115/GT2022-83276

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Topics: Crystals, Nickel, Stress, Superalloys, Creep, Temperature, Alloys, Damage, Fatigue, Cycles

Proceedings Papers

A Comparative Study of Crystal Visco-Plastic Modeling of Directionally Solidified Nickel-Base Superalloys

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT24A008, June 13–17, 2022

Paper No: GT2022-82230

DOI: https://doi.org/10.1115/GT2022-82230

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Topics: Crystals, Modeling, Nickel, Superalloys

Proceedings Papers

Statistical and Lifetime Characterization of PTFE Materials for Extreme Environments

Sannmit Shinde, Dominic Devito, Meghan Kenny, Ali P. Gordon, Zachary Poust, Jim Drago, Ming-Hang Yang, Paul Nichols

Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T02A001, July 13–15, 2021

Paper No: PVP2021-60521

DOI: https://doi.org/10.1115/PVP2021-60521

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Topics: Compressive stress, Deformation, Experimental design, Fillers (Materials), Gaskets, Leakage, Load bearing capacity, Manufacturing, Pressure, Relaxation (Physics)

Proceedings Papers

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A008, June 7–11, 2021

Paper No: GT2021-59581

DOI: https://doi.org/10.1115/GT2021-59581

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Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines

Proceedings Papers

Life Prediction Modeling of Combined High-Cycle Fatigue and Creep

Thomas Bouchenot, Kirtan Patel, Ali P. Gordon, Sachin Shinde

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A008, September 21–25, 2020

Paper No: GT2020-14495

DOI: https://doi.org/10.1115/GT2020-14495

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Topics: Alloys, Creep, High cycle fatigue, Modeling

Proceedings Papers

Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue

Navindra Wijeyeratne, Firat Irmak, Ali P. Gordon, Jun-Young Jeon

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A003, September 21–25, 2020

Paper No: GT2020-14163

DOI: https://doi.org/10.1115/GT2020-14163

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Topics: Anisotropy, Crystals, Fatigue, Modeling, Superalloys, Thermomechanics, Temperature, Stress, Hardening, Simulation

Proceedings Papers

Torsional Fatigue of Heat-Treated Direct Metal Laser Sintered Inconel 718

Sanna F. Siddiqui, Ali P. Gordon

Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A006, September 21–25, 2020

Paper No: GT2020-14830

DOI: https://doi.org/10.1115/GT2020-14830

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Topics: Additive manufacturing, Fatigue, Heat, Lasers, Metals

Proceedings Papers

Comparison of Viscoplastic Modeling of an Equiaxed and Directionally Solidified Ni-Base Superalloy

Nathan O’Nora, Alex Torkaman, Ali P. Gordon

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A026, September 21–25, 2020

Paper No: GT2020-16244

DOI: https://doi.org/10.1115/GT2020-16244

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Topics: Modeling, Superalloys, Viscoplasticity

Journal Articles

A Nonstationary Uncertainty Model and Bayesian Calibration of Strain-Life Models

Arinan Dourado, Firat Irmak, Felipe A. C. Viana, Ali P. Gordon

J. Verif. Valid. Uncert. March 2021, 6(1): 011002.

Paper No: VVUQ-20-1038

DOI: https://doi.org/10.1115/1.4049324

Published Online: January 7, 2021

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Topics: Calibration, Fatigue life, Uncertainty, Errors, Alloys, Fatigue

Proceedings Papers

Modeling the Torsional Cyclic Response of Direct Metal Laser Sintered Inconel 718

Sanna F. Siddiqui, Firat Irmak, Nathan O’Nora, Ali P. Gordon

Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A015, June 17–21, 2019

Paper No: GT2019-91056

DOI: https://doi.org/10.1115/GT2019-91056

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Topics: Lasers, Metals, Modeling, Additive manufacturing, Aerospace industry, Die cutting, Fatigue, Gas turbines, Shearing (Deformation), Aircraft engines

Proceedings Papers

A Bayesian Framework for Estimation of Strain Life Lower Bounds and its Application to IN617

Arinan Dourado, Firat Irmak, Felipe A. C. Viana, Ali P. Gordon

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A020, June 17–21, 2019

Paper No: GT2019-91958

DOI: https://doi.org/10.1115/GT2019-91958

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Topics: Alloys, Calibration, Combustion, Cycles, Design, Electromagnetic scattering, Failure, Fatigue life, Low cycle fatigue, Optimization

Proceedings Papers

Constitutive Modeling of TMF and Creep-Fatigue of a Ni-Base Alloy

Nathan O’Nora, Thomas Bouchenot, Grant Geiger, Ali P. Gordon

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A016, June 17–21, 2019

Paper No: GT2019-91695

DOI: https://doi.org/10.1115/GT2019-91695

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Topics: Alloys, Creep, Fatigue, Modeling, Hardening, Stress, Fittings, High temperature, Kinematics, Engineering simulation

Journal Articles

Mechanical Characterization and Modeling of Direct Metal Laser Sintered Stainless Steel GP1

Sanna F. Siddiqui, Abiodun A. Fasoro, Calvin Cole, Ali P. Gordon

J. Eng. Mater. Technol. July 2019, 141(3): 031009.

Paper No: MATS-18-1032

DOI: https://doi.org/10.1115/1.4042867

Published Online: March 11, 2019

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Topics: Additive manufacturing, Fatigue, Fracture (Materials), Fracture (Process), Lasers, Metals, Modeling, Stainless steel, Stress, Tension

Journal Articles

Glass Fiber-Reinforced PTFE Gasketed-Joint Under a Retorque

James P. Williams, Addi-Neequie Stone, Ryan Reedy, Ali P. Gordon

J. Pressure Vessel Technol. April 2019, 141(2): 021001.

Paper No: PVT-17-1023

DOI: https://doi.org/10.1115/1.4042219

Published Online: February 21, 2019

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Topics: Gaskets, Modeling, Relaxation (Physics), Stress, Torque

Proceedings Papers

Combined Statistical-Mechanical Characterization of a Next Generation Textured PTFE for Extreme Environments

Sannmit Shinde, Ali P. Gordon, Zachary Poust, Steve Pitolaj, Jim Drago, Paul Nichols

Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A061, July 15–20, 2018

Paper No: PVP2018-84039

DOI: https://doi.org/10.1115/PVP2018-84039

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Topics: Ceramics, Compressibility, Experimental design, Flanges, Gages, Gaskets, Honeycomb structures, Leakage, Optimization, Particulate matter

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Journal citation

NARROW

Creation of a Life Prediction Model for Combined High-Cycle Fatigue and Creep

A Novel Yield Criterion for Nickel-Based Superalloys

A Comparative Study of Crystal Viscoplastic Modeling of Directionally Solidified Nickel-Base Superalloys

Undergraduate Hypersonics Research: Lessons From Two Years of the REU Site HYPER

A Novel Yield Criterion for Nickel-Based Superalloys

Establishing a Generic Stress-Life Framework for Single-Crystal Nickel-Base Superalloys

A Comparative Study of Crystal Visco-Plastic Modeling of Directionally Solidified Nickel-Base Superalloys

Statistical and Lifetime Characterization of PTFE Materials for Extreme Environments

Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue

Life Prediction Modeling of Combined High-Cycle Fatigue and Creep

Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue

Torsional Fatigue of Heat-Treated Direct Metal Laser Sintered Inconel 718

Comparison of Viscoplastic Modeling of an Equiaxed and Directionally Solidified Ni-Base Superalloy

A Nonstationary Uncertainty Model and Bayesian Calibration of Strain-Life Models

Modeling the Torsional Cyclic Response of Direct Metal Laser Sintered Inconel 718

A Bayesian Framework for Estimation of Strain Life Lower Bounds and its Application to IN617

Constitutive Modeling of TMF and Creep-Fatigue of a Ni-Base Alloy

Mechanical Characterization and Modeling of Direct Metal Laser Sintered Stainless Steel GP1

Glass Fiber-Reinforced PTFE Gasketed-Joint Under a Retorque

Combined Statistical-Mechanical Characterization of a Next Generation Textured PTFE for Extreme Environments

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