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Proceedings Papers

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

Francesco Radaelli, Christian Amann, Ali Aydin, Igor Varfolomeev, Peter Gumbsch, Kai Kadau

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A004, June 13–17, 2022

Paper No: GT2022-82303

DOI: https://doi.org/10.1115/GT2022-82303

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Topics: Forging, Fracture (Materials), Gas turbines, Nucleation (Physics), Rotors

Proceedings Papers

A Probabilistic Framework for Minimum Low Cycle Fatigue Life Prediction

Michael P. Enright, Jonathan P. Moody, Yasin Zaman, James C. Sobotka, R. Craig McClung

Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT25A001, June 13–17, 2022

Paper No: GT2022-80220

DOI: https://doi.org/10.1115/GT2022-80220

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Topics: Low cycle fatigue, Damage, Fatigue, Fracture (Materials), Gas turbines, Photodynamic therapy, Aircraft, Cycles, Density, Probability

Proceedings Papers

Advancement of Electrical Resistance Towards Monitoring Crack Growth in SiC Based Composites at Elevated Temperatures

Joseph El Rassi, Gregory N. Morscher

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A007, June 13–17, 2022

Paper No: GT2022-83010

DOI: https://doi.org/10.1115/GT2022-83010

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Topics: Composite materials, Electrical resistance, Fracture (Materials), Temperature

Proceedings Papers

Micromechanical Modeling of Time-Dependent Crack Opening Behavior in SiC/SiC Composites

Longbiao Li

Proc. ASME. GT2022, Volume 1: Aircraft Engine; Ceramics and Ceramic Composites, V001T02A002, June 13–17, 2022

Paper No: GT2022-80583

DOI: https://doi.org/10.1115/GT2022-80583

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Topics: Ceramic matrix composites, Ceramics, Composite materials, Fracture (Materials), Modeling

Proceedings Papers

Blade Health Monitoring System for Gas Turbines Subjected to Contaminated Air

Kamel Tayebi, Abdurrahman Khalidi, Alaaeldin Dawood

Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A004, June 13–17, 2022

Paper No: GT2022-81124

DOI: https://doi.org/10.1115/GT2022-81124

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Topics: Blades, Gas turbines, Monitoring systems, Failure, Fracture (Materials), Compressors, Contamination, Corrosion, Damage, Engines

Proceedings Papers

Laser Additive Manufacturing of Iron-Aluminum for Hybrid Steam Turbine Blades

Silja-Katharina Rittinghaus, Rebar Hama-Saleh, Oliver Brunn, Victor Salit, Thomas Mokulys

Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A010, June 13–17, 2022

Paper No: GT2022-81956

DOI: https://doi.org/10.1115/GT2022-81956

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Topics: Additive manufacturing, Aluminum, Blades, Iron, Lasers, Steam turbines, Stress, Fracture (Materials), Steel, Turbine blades

Proceedings Papers

Comparison of Cast, Wrought and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behavior

Timo Brune, Karl Michael Kraemer, Christian Kontermann, Matthias Oechsner

Paper No: GT2022-80207

DOI: https://doi.org/10.1115/GT2022-80207

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Topics: Fatigue cracks, Fracture (Materials)

Proceedings Papers

Deformation and Damage Behavior of a 1 Cr-Cast Steel Under Multiaxial Loading at Elevated Temperatures

Christian Kontermann, Alexander Erbe, Fabian Conrad, Karl Michael Kraemer, Matthias Oechsner

Paper No: GT2022-82885

DOI: https://doi.org/10.1115/GT2022-82885

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Topics: Damage, Deformation, Steel, Temperature, Cycles, Fatigue life, Fracture (Materials), Databases, Design, Electromagnetic induction

Proceedings Papers

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Onome Scott-Emuakpor, Brian Runyon, Daniel Gillaugh, Lucas Smith, Philip Johnson

Paper No: GT2022-83282

DOI: https://doi.org/10.1115/GT2022-83282

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Topics: Blades, Gas turbines, Gates (Closures), High cycle fatigue, Maintenance, Nondestructive evaluation, Titanium, Acceptance criteria, Lasers, Additive manufacturing

Proceedings Papers

Microstructural Evolution of Wrought and AM Haynes 188 Under Long Term Thermal Exposure

Vamadevan Gowreesan, Wayne Greaves, Yogi Pardhi, Karen Barrios

Paper No: GT2022-79113

DOI: https://doi.org/10.1115/GT2022-79113

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Topics: Additive manufacturing, Cobalt, Design, Fractography, Fracture (Materials), Fracture (Process), Gas turbines, High temperature, Mechanical properties, Mechanical testing

Proceedings Papers

Influence of Multiaxial Far Field Loadings on the Fatigue Crack-Growth Behaviour by Using Corner-Crack and Cruciform Specimen

F. Conrad, C. Kontermann, A. Blug, A. Bertz, D. Carl, M. Oechsner

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, V08AT24A001, June 13–17, 2022

Paper No: GT2022-79394

DOI: https://doi.org/10.1115/GT2022-79394

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Topics: Corners (Structural elements), Fatigue, Fracture (Materials)

Proceedings Papers

Fracture Mechanics-Based Structural Integrity Assessment of Aero-Engine Turbine Disks Under Overspeed Conditions

Jiangchao Zhu, Mauro Madia, Michael Schurig, Hartmut Schlums, Uwe Zerbst

Paper No: GT2022-79925

DOI: https://doi.org/10.1115/GT2022-79925

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Topics: Aircraft engines, Disks, Fracture (Materials), Fracture mechanics, Turbines

Proceedings Papers

Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life

Adrian Loghin

Paper No: GT2022-80229

DOI: https://doi.org/10.1115/GT2022-80229

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Topics: Fatigue cracks, Finite element analysis, Fracture (Materials), Service life (Equipment), Shapes, Stress, Crack propagation, Errors, Modeling, Computer software

Proceedings Papers

Comparative Low-Cycle Fatigue Behavior of HAYNES 244 Alloy and Waspaloy

Michael G. Fahrmann

Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A013, June 7–11, 2021

Paper No: GT2021-59619

DOI: https://doi.org/10.1115/GT2021-59619

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Topics: Alloys, Low cycle fatigue, Crack propagation, Fatigue, Fatigue cracks, Fracture (Materials), Fracture (Process), Gas turbines, Hardening, Heat

Proceedings Papers

A Method for Establishing the Central Crack Stress Intensity Factor Database for Probabilistic Risk Assessment Based on the Universal Weight Function

Tongge Xu, Shuiting Ding, Huimin Zhou, Guo Li

Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A003, June 7–11, 2021

Paper No: GT2021-58727

DOI: https://doi.org/10.1115/GT2021-58727

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Topics: Databases, Failure, Fracture (Materials), Probabilistic risk assessment, Response surface methodology, Risk assessment, Stress, Weight (Mass)

Proceedings Papers

Energy Dissipation Metrics for Fatigue Damage Detection in the Short Crack Regime for Aluminum Alloys

Susheel Dharmadhikari, Amrita Basak

Paper No: GT2021-58787

DOI: https://doi.org/10.1115/GT2021-58787

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Topics: Aluminum alloys, Damage, Energy dissipation, Fatigue damage, Fracture (Materials)

Proceedings Papers

Experimental and Analytical Investigation of Cyclic Crack Initiation in Nickel Based Super Alloy With Stress Concentration Features

Alex Torkaman, Steve Fiebiger, Nathan O’Nora, Devin O’Neal, Ali Gordon

Paper No: GT2021-59608

DOI: https://doi.org/10.1115/GT2021-59608

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Topics: Alloys, Fracture (Materials), Nickel, Stress concentration, Turbine blades

Proceedings Papers

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Serena Gabriele, Paolo Di Sisto, Giuseppe Del Vescovo, Conti Simone

Paper No: GT2021-58919

DOI: https://doi.org/10.1115/GT2021-58919

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Topics: Dampers, Design, Ducts, Gas turbines, Thin shells, Flow (Dynamics), Finite element analysis, High cycle fatigue, Turbines, Bolted joints

Proceedings Papers

Experimental Analysis and Material Characterization of Ultra High Temperature Composites

Anindya Ghoshal, Michael J. Walock, Andy Nieto, Muthuvel Murugan, Clara Hofmeister-Mock, Marc Pepi, Luis Bravo, Andrew Wright, Jian Luo

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A010, June 7–11, 2021

Paper No: GT2021-60384

DOI: https://doi.org/10.1115/GT2021-60384

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Topics: Composite materials, Experimental analysis, High temperature, Oxidation, Fracture toughness, Ablation (Vaporization technology), US Department of Defense, Zirconium, Army, Ball milling

Proceedings Papers

Micromechanical Modeling Tension-Compression Fatigue Hysteresis Loops Model of Fiber-Reinforced Ceramic-Matrix Composites Considering Fibers Failure

Longbiao Li

Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T02A002, June 7–11, 2021

Paper No: GT2021-58485

DOI: https://doi.org/10.1115/GT2021-58485

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Topics: Ceramics, Composite materials, Compression, Failure, Fatigue, Fibers, Modeling, Tension, Stress, Ceramic matrix composites

2 3 4 5

NARROW

A Probabilistic Model for Forging Flaw Crack Nucleation Processes for Heavy Duty Gas Turbine Rotor Operations

A Probabilistic Framework for Minimum Low Cycle Fatigue Life Prediction

Advancement of Electrical Resistance Towards Monitoring Crack Growth in SiC Based Composites at Elevated Temperatures

Micromechanical Modeling of Time-Dependent Crack Opening Behavior in SiC/SiC Composites

Blade Health Monitoring System for Gas Turbines Subjected to Contaminated Air

Laser Additive Manufacturing of Iron-Aluminum for Hybrid Steam Turbine Blades

Comparison of Cast, Wrought and LPBF Processed IN718 Concerning Crack Growth Threshold and Fatigue Crack Growth Behavior

Deformation and Damage Behavior of a 1 Cr-Cast Steel Under Multiaxial Loading at Elevated Temperatures

Refinement of a High Cycle Fatigue Decision-Gate Assessment for Additively Repaired Blades

Microstructural Evolution of Wrought and AM Haynes 188 Under Long Term Thermal Exposure

Influence of Multiaxial Far Field Loadings on the Fatigue Crack-Growth Behaviour by Using Corner-Crack and Cruciform Specimen

Fracture Mechanics-Based Structural Integrity Assessment of Aero-Engine Turbine Disks Under Overspeed Conditions

Quantification of the Impact of the Crack Shape Constraint Assumption Onto Predicted Remaining Useful Life

Comparative Low-Cycle Fatigue Behavior of HAYNES 244 Alloy and Waspaloy

A Method for Establishing the Central Crack Stress Intensity Factor Database for Probabilistic Risk Assessment Based on the Universal Weight Function

Energy Dissipation Metrics for Fatigue Damage Detection in the Short Crack Regime for Aluminum Alloys

Experimental and Analytical Investigation of Cyclic Crack Initiation in Nickel Based Super Alloy With Stress Concentration Features

Design and Tests of a New Damper for a Gas Turbine Thin-Shell Duct

Experimental Analysis and Material Characterization of Ultra High Temperature Composites

Micromechanical Modeling Tension-Compression Fatigue Hysteresis Loops Model of Fiber-Reinforced Ceramic-Matrix Composites Considering Fibers Failure

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