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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

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
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A009, June 7–11, 2021
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

Proof-Of-Concept of a Thermal Barrier Coated Titanium Cooling Layer for an Inside-Out Ceramic Turbine

Antoine Gauvin-Verville, Patrick K. Dubois, Benoit Picard, Alexandre Landry-Blais, Jean-Sébastien Plante, Mathieu Picard
Proc. ASME. GT2021, Volume 6: Ceramics and Ceramic Composites; Coal, Biomass, Hydrogen, and Alternative Fuels; Microturbines, Turbochargers, and Small Turbomachines, V006T19A005, June 7–11, 2021
Paper No: GT2021-58869
DOI: https://doi.org/10.1115/GT2021-58869
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Topics: Ceramics, Cooling, Titanium, Turbines, Blades, Carbon, Polymers, Safety, Aeronautics, Aircraft
Proceedings Papers

Microstructure of IN738LC Fabricated Using Laser Powder Bed Fusion Additive Manufacturing

Nandana Menon, Tanjheel Hassan Mahdi, Amrita Basak
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A002, June 7–11, 2021
Paper No: GT2021-58786
DOI: https://doi.org/10.1115/GT2021-58786
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Topics: Additive manufacturing, Lasers, Nickel, Superalloys
Proceedings Papers

Weldability and Properties of Newly Developed LW4280 High Gamma Prime Nickel Based Superalloy for 3D AM and Repair of Turbine Engine Components

Alexandre B. Gontcharov, Paul Lowden, Ashutosh Jena, Sunyong Kwon, Mathieu Brochu
Proc. ASME. GT2021, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy, V007T17A005, June 7–11, 2021
Paper No: GT2021-58851
DOI: https://doi.org/10.1115/GT2021-58851
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Topics: Gas turbines, Maintenance, Manufacturing, Nickel, Oxidation, Superalloys, Elongation, Precipitation, Temperature, Welding
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

Microstructure and Oxidation Behaviour of NGB and WGB Joints With Boron/Silicon Free Nickel Base Braze Alloys

Xiao Huang
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A001, September 21–25, 2020
Paper No: GT2020-14017
DOI: https://doi.org/10.1115/GT2020-14017
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Topics: Alloys, Boron, Brazing, Nickel, Oxidation, Silicon, Spallation (Nuclear physics), Temperature, Cavities, Cycles
Proceedings Papers

Metallurgical Evaluation of an Additively Manufactured Nickel-Base Superalloy for Gas Turbine Guide Vanes

Alex Bridges, John Shingledecker, Alex Torkaman, Lonnie Houck
Proc. ASME. GT2020, Volume 8: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V008T18A005, September 21–25, 2020
Paper No: GT2020-14808
DOI: https://doi.org/10.1115/GT2020-14808
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Topics: Additive manufacturing, Gas turbines, Guide vanes, Nickel, Superalloys, Creep, Grain size, Rupture, Alloys, Casting
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

Hot Gas Corrosion and its Influence on the Thermal Cycling Performance of Suspension Plasma Spray TBCs

Krishna Praveen Jonnalagadda, Pimin Zhang, Mohit Gupta, Xin-Hai Li, Ru Lin Peng
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A001, June 17–21, 2019
Paper No: GT2019-90104
DOI: https://doi.org/10.1115/GT2019-90104
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Topics: Corrosion, Plasmas (Ionized gases), Sprays, Damage, Fatigue, Coating processes, Coatings, Durability, Fatigue life, Gas turbines
Proceedings Papers

Governing Parameters Influencing CMAS Adhesion and Infiltration Into Environmental/Thermal Barrier Coatings in Gas Turbine Engines

Anindya Ghoshal, Michael J. Walock, Muthuvel Murugan, Clara Mock, Luis Bravo, Marc Pepi, Andy Nieto, Andrew Wright, Jian Luo, Nishan Jain, Alison Flatau, Larry Fehrenbacher
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A016, June 17–21, 2019
Paper No: GT2019-92000
DOI: https://doi.org/10.1115/GT2019-92000
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Topics: Adhesion, Gas turbines, Thermal barrier coatings, Coating processes, Sands, Temperature, Aircraft, Army, Aviation, Boundary layers
Proceedings Papers

Impact of Foreign Object Damage to Leading Edge on Fatigue Capability of CMC Turbine Vanes

Kenro Obuchi, Fumiaki Watanabe, Hiroshi Kuroki, Kazuyoshi Arai
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A009, June 17–21, 2019
Paper No: GT2019-90841
DOI: https://doi.org/10.1115/GT2019-90841
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Topics: Ceramic matrix composites, Damage, Fatigue, Turbines, Coating processes, Coatings, High cycle fatigue, Oxidation, Stress concentration, Temperature
Proceedings Papers

A Novel Solid-State Additive Manufacturing Technology in Support of Turbomachinery Sustainment

Chase D. Cox, Nanci Hardwick
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A017, June 17–21, 2019
Paper No: GT2019-91419
DOI: https://doi.org/10.1115/GT2019-91419
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Topics: Additive manufacturing, Turbomachinery, Maintenance, Coatings, Joining, Metals, Alloy steel, Alloys, Aluminum alloys, Computer numerical control machine tools
Proceedings Papers

Additive Manufacture of Prototype Turbine Blades for Hot-Fired Engine Performance Validation Trials

David Adair, Michael Kirka, Daniel Ryan
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A012, June 17–21, 2019
Paper No: GT2019-90966
DOI: https://doi.org/10.1115/GT2019-90966
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Topics: Engineering prototypes, Engines, Turbine blades, Blades, Design, Solar energy, Manufacturing, Additive manufacturing, Disks, Gas turbines
Proceedings Papers

Influence of an Additional Indexing Rotary Axis on Wire EDM Performance for the Automated Manufacture of Fir Tree Slots

T. Bergs, U. Tombul, T. Herrig, A. Klink, D. Welling
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A018, June 17–21, 2019
Paper No: GT2019-91505
DOI: https://doi.org/10.1115/GT2019-91505
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Topics: Electrical discharge machining, Indexing (Machining), Wire, Machining, Disks, Aircraft propulsion, Alloys, Cutting, Engines, Machinery
Proceedings Papers

Experimental and Numerical Investigation on the Influence of Thermally Induced Stress Gradients on Fatigue Life of the Nickel-Base Alloy Mar-M247

Marcus Thiele, Stefan Eckmann, Min Huang, Uwe Gampe, Kathrin A. Fischer, Michael Schlesinger
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A013, June 17–21, 2019
Paper No: GT2019-91540
DOI: https://doi.org/10.1115/GT2019-91540
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Topics: Alloys, Fatigue life, Nickel, Stress, Low cycle fatigue, High temperature, Temperature, Damage, Flux (Metallurgy), Heat
Proceedings Papers

Life Assessment of Large Gas Turbine Blades

Santosh B. Narasimhachary, Kyle Smith, Sachin R. Shinde, Christian Amann, Kai Kadau, Saiganesh Iyer
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT31A015, June 17–21, 2019
Paper No: GT2019-91630
DOI: https://doi.org/10.1115/GT2019-91630
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Topics: Blades, Gas turbines, Fracture (Materials), Fracture mechanics, Manufacturing, Computers, Engineering instruments, Geometry, Investment casting (Process), Nickel
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
Proceedings Papers

Towards a Better Understanding of Crack Growth in Nickel-Cast Alloys Under Creep-Fatigue and Thermo-Mechanical Fatigue Conditions

Karl Michael Kraemer, Falk Mueller, Christian Kontermann, Matthias Oechsner
Proc. ASME. GT2019, Volume 8: Microturbines, Turbochargers, and Small Turbomachines; Steam Turbines, V008T29A033, June 17–21, 2019
Paper No: GT2019-92028
DOI: https://doi.org/10.1115/GT2019-92028
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Topics: Alloys, Creep, Fatigue, Fracture (Materials), Nickel, Thermomechanics, Stress, Cycles, Damage, Phase shift
Proceedings Papers

Thermal Degradation of Biofuels in Contact With Hot Metal Surfaces

Katerina L. Chagoya, Alan Felix, Fernand E. Torres, Nicholas Ciaffone, Taylor E. Pitts, Andres Curbelo, Laurene Tetard, Jayanta Kapat, Richard G. Blair
Proc. ASME. GT2019, Volume 4B: Combustion, Fuels, and Emissions, V04BT04A045, June 17–21, 2019
Paper No: GT2019-91811
DOI: https://doi.org/10.1115/GT2019-91811
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Topics: Biofuel, Metal surfaces, Fuels, Soot, Temperature, Aluminum, Carbon, Engine design, Engines, Metals