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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
View Paper titled, A Comparative Study of Crystal Visco-Plastic Modeling of Directionally Solidified Nickel-Base Superalloys
Click here to open pdf in another window PDF for A Comparative Study of Crystal Visco-Plastic Modeling of Directionally Solidified Nickel-Base Superalloys
Topics: Crystals, Modeling, Nickel, Superalloys
Proceedings Papers

Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints

Adam Koscso, Andreas Hartung, E. P. Petrov
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT27A014, June 13–17, 2022
Paper No: GT2022-82040
DOI: https://doi.org/10.1115/GT2022-82040
View Paper titled, Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints
Click here to open pdf in another window PDF for Validation of New Numerical Analysis Tools for Nonlinear Forced Response in Anisotropy-Mistuned Bladed Disks With Friction Joints
Topics: Anisotropy, Disks, Friction, Numerical analysis, Blades, Aircraft engines, Computational methods, Crystals, Dampers, Excitation
Proceedings Papers

Characterization Methods to Evaluate Recrystallization and Weld-Repair in Single Crystal Nickel-Base Superalloys

Alex Bridges, John Shingledecker, Eeva Griscom, Hans van Esch, Stijn Pietersen, Robert Zuber, Wayne Greaves
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A016, June 13–17, 2022
Paper No: GT2022-82537
DOI: https://doi.org/10.1115/GT2022-82537
View Paper titled, Characterization Methods to Evaluate Recrystallization and Weld-Repair in Single Crystal Nickel-Base Superalloys
Click here to open pdf in another window PDF for Characterization Methods to Evaluate Recrystallization and Weld-Repair in Single Crystal Nickel-Base Superalloys
Topics: Crystals, Gas turbines, Maintenance, Nickel, Recrystallization, Superalloys
Proceedings Papers

Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement

Markus Schönheit, Marcus Thiele, Edward Ginzbursky, Anastasia Thomas
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT13A017, June 13–17, 2022
Paper No: GT2022-82909
DOI: https://doi.org/10.1115/GT2022-82909
View Paper titled, Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement
Click here to open pdf in another window PDF for Experimental and Numerical Investigation of a Novel Method for Gradient Temperature Measurement
Topics: Accuracy and precision, Alloys, Combustion chambers, Computational fluid dynamics, Cooling, Crystals, Cycles, Cylinders, Design, Design methodology
Proceedings Papers

A Novel Yield Criterion for Nickel-Based Superalloys

Firat Irmak, Kevin Hanekom, Alex Torkaman, Ali P. Gordon
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
View Paper titled, A Novel Yield Criterion for Nickel-Based Superalloys
Click here to open pdf in another window PDF for A Novel Yield Criterion for Nickel-Based Superalloys
Topics: Nickel, Superalloys, Alloys, Crystals, Stress, Anisotropy, Gas turbines, High temperature, Solidification, Blades
Proceedings Papers

Advanced Tip Repair of Single Crystal HPT Blades With LW3 and LW4280 Welding Materials

Anthony Chan, Alexandre Gontcharov, Paul Lowden, Thomas Mikolajewski, J. J. Sixsmith, Robert Tollett, Clayton Greer
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A005, June 13–17, 2022
Paper No: GT2022-80473
DOI: https://doi.org/10.1115/GT2022-80473
View Paper titled, Advanced Tip Repair of Single Crystal HPT Blades With LW3 and LW4280 Welding Materials
Click here to open pdf in another window PDF for Advanced Tip Repair of Single Crystal HPT Blades With LW3 and LW4280 Welding Materials
Topics: Additive manufacturing, Blades, Crystals, Laser welding, Maintenance, Oxidation, Welding
Proceedings Papers

Design Considerations and Validation of a Near Wall Cooled Stator Heat Shield With Sequential Impingement Cooling

P. Peschke, S. Naik, M. Henze
Proc. ASME. GT2022, Volume 6B: Heat Transfer — General Interest/Additive Manufacturing Impacts on Heat Transfer; Internal Air Systems; Internal Cooling, V06BT15A026, June 13–17, 2022
Paper No: GT2022-82864
DOI: https://doi.org/10.1115/GT2022-82864
View Paper titled, Design Considerations and Validation of a Near Wall Cooled Stator Heat Shield With Sequential Impingement Cooling
Click here to open pdf in another window PDF for Design Considerations and Validation of a Near Wall Cooled Stator Heat Shield With Sequential Impingement Cooling
Topics: Cooling, Design, Gas turbines, Heat shielding, Heat transfer, Impingement cooling, Stators, Engines, Air flow, Flow (Dynamics)
Proceedings Papers

Recrystallization of René N4 and N5

Hans van Esch, Stijn Pietersen, Alex Bridges, John Scheibel, Robert Zuber, Wayne Greaves
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A007, June 13–17, 2022
Paper No: GT2022-81438
DOI: https://doi.org/10.1115/GT2022-81438
View Paper titled, Recrystallization of René N4 and N5
Click here to open pdf in another window PDF for Recrystallization of René N4 and N5
Topics: Recrystallization, Crystals, Maintenance, Superalloys, Heat, Manufacturing, Nickel, Compressive stress, Shot peening, Stress
Proceedings Papers

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

Firat Irmak, Sahil Karim, Nathan O’Nora, Ali P. Gordon
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A023, June 13–17, 2022
Paper No: GT2022-83276
DOI: https://doi.org/10.1115/GT2022-83276
View Paper titled, Establishing a Generic Stress-Life Framework for Single-Crystal Nickel-Base Superalloys
Click here to open pdf in another window PDF for Establishing a Generic Stress-Life Framework for Single-Crystal Nickel-Base Superalloys
Topics: Crystals, Nickel, Stress, Superalloys, Creep, Temperature, Alloys, Damage, Fatigue, Cycles
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
View Paper titled, Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
Click here to open pdf in another window PDF for Crystal Visco-Plastic Model for Directionally Solidified Ni-Base Superalloys Under Monotonic and Low Cycle Fatigue
Topics: Crystals, Low cycle fatigue, Modeling, Superalloys, Grain boundaries, Temperature, Anisotropy, Constitutive equations, Deformation, Gas turbines
Proceedings Papers

Study on Relationship Between Dislocation Density and Creep Strain Rate of Single Crystal Ni Based Superalloy for Gas Turbines Using the Discrete Cosine Transform

Hideo Hiraguchi
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A005, June 7–11, 2021
Paper No: GT2021-58801
DOI: https://doi.org/10.1115/GT2021-58801
View Paper titled, Study on Relationship Between Dislocation Density and Creep Strain Rate of Single Crystal Ni Based Superalloy for Gas Turbines Using the Discrete Cosine Transform
Click here to open pdf in another window PDF for Study on Relationship Between Dislocation Density and Creep Strain Rate of Single Crystal Ni Based Superalloy for Gas Turbines Using the Discrete Cosine Transform
Topics: Creep, Crystals, Dislocation density, Gas turbines, Stress, Superalloys
Proceedings Papers

Upgrading Marine Engine Materials for Future Navy Ships

David A. Shifler, Donald Hoffman
Proc. ASME. GT2021, Volume 1: Aircraft Engine; Fans and Blowers; Marine; Wind Energy; Scholar Lecture, V001T18A002, June 7–11, 2021
Paper No: GT2021-01719
DOI: https://doi.org/10.1115/GT2021-01719
View Paper titled, Upgrading Marine Engine Materials for Future Navy Ships
Click here to open pdf in another window PDF for Upgrading Marine Engine Materials for Future Navy Ships
Topics: Corrosion, Engines, Navy, Oxidation, Ships, Temperature, Gas turbines, Blades, Marine gas turbines, Turbines
Proceedings Papers

Determining the Optimal Crystallographic Orientation in a Single Crystal Turbine Blade to Increase its Strength Reliability

Boris Vasilyev, Alexander Selivanov, Artem Semenov, Andrei Bortnikov, Valentina Limonova
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A016, September 21–25, 2020
Paper No: GT2020-14866
DOI: https://doi.org/10.1115/GT2020-14866
View Paper titled, Determining the Optimal Crystallographic Orientation in a Single Crystal Turbine Blade to Increase its Strength Reliability
Click here to open pdf in another window PDF for Determining the Optimal Crystallographic Orientation in a Single Crystal Turbine Blade to Increase its Strength Reliability
Topics: Blades, Crystals, Optimization, Reliability, Turbine blades
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
View Paper titled, Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue
Click here to open pdf in another window PDF for Crystal Visco-Plastic Model for Ni-Base Superalloys Under Thermomechanical Fatigue
Topics: Anisotropy, Crystals, Fatigue, Modeling, Superalloys, Thermomechanics, Temperature, Stress, Hardening, Simulation
Proceedings Papers

Ice Crystal Icing Investigation on a Honeywell Uncertified Research Engine in an Altitude Simulation Icing Facility

Ashlie B. Flegel
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A007, September 21–25, 2020
Paper No: GT2020-14714
DOI: https://doi.org/10.1115/GT2020-14714
View Paper titled, Ice Crystal Icing Investigation on a Honeywell Uncertified Research Engine in an Altitude Simulation Icing Facility
Click here to open pdf in another window PDF for Ice Crystal Icing Investigation on a Honeywell Uncertified Research Engine in an Altitude Simulation Icing Facility
Topics: Crystals, Engines, Ice, Simulation, Particulate matter, Stators, Inlet guide vanes, Temperature, Particle size, Metals
Proceedings Papers

Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing

Matthias Nagorski, Christian Koch, Stephan Staudacher
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT34A018, September 21–25, 2020
Paper No: GT2020-16143
DOI: https://doi.org/10.1115/GT2020-16143
View Paper titled, Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing
Click here to open pdf in another window PDF for Boundary Conditions for Compressor Cascade Ice Crystal Icing Testing
Topics: Boundary-value problems, Cascades (Fluid dynamics), Compressors, Crystals, Ice, Testing
Proceedings Papers

Reference Stress Estimation for Anisotropic Materials Using Linear Elastic Finite Element Results

Brent Scaletta, Richard Green
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A012, September 21–25, 2020
Paper No: GT2020-14706
DOI: https://doi.org/10.1115/GT2020-14706
View Paper titled, Reference Stress Estimation for Anisotropic Materials Using Linear Elastic Finite Element Results
Click here to open pdf in another window PDF for Reference Stress Estimation for Anisotropic Materials Using Linear Elastic Finite Element Results
Topics: Anisotropy, Crystals, Finite element analysis, Stress
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
View Paper titled, A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue
Click here to open pdf in another window PDF for A Life Prediction Model for Single-Crystal Nickel-Base Alloys Under Low-Cycle Fatigue
Topics: Alloys, Crystals, Low cycle fatigue, Nickel, Creep, Damage, Fatigue, Superalloys, Blades, Deformation
Proceedings Papers

Estimation of Applied Stress at Fatigue Cracks of a Single Crystal Superalloy

Daisuke Kobayashi, Katsuhiro Takama, Tomihiko Ikeda
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT27A015, September 21–25, 2020
Paper No: GT2020-14840
DOI: https://doi.org/10.1115/GT2020-14840
View Paper titled, Estimation of Applied Stress at Fatigue Cracks of a Single Crystal Superalloy
Click here to open pdf in another window PDF for Estimation of Applied Stress at Fatigue Cracks of a Single Crystal Superalloy
Topics: Crystals, Electron backscatter diffraction, Fatigue cracks, Stress, Superalloys
Proceedings Papers

Long Duration Uniform Crystal Temperature Sensor Application in Industrial Gas Turbine for Cooling Design Validation

Gregory Vogel, Anastasia Thomas, Edward Ginzbursky, Alex Torkaman
Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT13A016, September 21–25, 2020
Paper No: GT2020-15010
DOI: https://doi.org/10.1115/GT2020-15010
View Paper titled, Long Duration Uniform Crystal Temperature Sensor Application in Industrial Gas Turbine for Cooling Design Validation
Click here to open pdf in another window PDF for Long Duration Uniform Crystal Temperature Sensor Application in Industrial Gas Turbine for Cooling Design Validation
Topics: Cooling, Crystals, Design, Industrial gases, Temperature sensors, Turbines, Temperature, Engines, Sensors, Airfoils