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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

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

A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue

Firat Irmak, Navindra Wijeyeratne, Taejun Yun, Ali Gordon

Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A005, September 21–25, 2020

Paper No: GT2020-14250

DOI: https://doi.org/10.1115/GT2020-14250

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Topics: Alloys, Crystals, Low cycle fatigue, Nickel, Creep, Damage, Fatigue, Superalloys, Blades, Deformation

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

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

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

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 Crystal Visco-Plastic Model for Ni-Base Superalloys Under Low Cycle Fatigue

Navindra Wijeyeratne, Firat Irmak, Grant Geiger, Jun-Young Jeon, Ali Gordon

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A019, June 17–21, 2019

Paper No: GT2019-91903

DOI: https://doi.org/10.1115/GT2019-91903

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Topics: Crystals, Low cycle fatigue, Superalloys, Gas turbines, Matlab, Stress, Anisotropy, Blades, Constitutive equations, Deformation

Proceedings Papers

A Framework for Life Prediction of 2.25Cr-1Mo Under Creep and Thermomechanical Fatigue

Firat Irmak, Ali P. Gordon

Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A020, June 11–15, 2018

Paper No: GT2018-76669

DOI: https://doi.org/10.1115/GT2018-76669

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Topics: Creep, Fatigue, Thermomechanics, Damage, Temperature, Databases, Failure, Alloy steel, Alloys, Boilers

Proceedings Papers

Application of a Non-Interactive Constitutive Model for Life Prediction of 2.25Cr-1Mo Under Creep-Fatigue

Ali P. Gordon, Firat Irmak, Thomas Bouchenot, Bassem Felemban

Proc. ASME. IMECE2017, Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Structural Health Monitoring and Prognosis, V009T12A010, November 3–9, 2017

Paper No: IMECE2017-71540

DOI: https://doi.org/10.1115/IMECE2017-71540

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Topics: Constitutive equations, Creep, Fatigue, Temperature, Damage, Alloys, Plasticity, Alloy steel, Boilers, Corrosion resistance

Journal citation

NARROW

A Novel Yield Criterion for Nickel-Based Superalloys

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

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

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

A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue

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

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

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

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

A Crystal Visco-Plastic Model for Ni-Base Superalloys Under Low Cycle Fatigue

A Framework for Life Prediction of 2.25Cr-1Mo Under Creep and Thermomechanical Fatigue

Application of a Non-Interactive Constitutive Model for Life Prediction of 2.25Cr-1Mo Under Creep-Fatigue

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