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Proceedings Papers

Shrinkage Prediction Using Machine Learning for Additively Manufactured Ceramic and Metallic Components for Gas Turbine Applications

Peter Warren, Nandhini Raju, Milos Krsmanovic, Hossein Ebrahimi, Jayanta Kapat, Ramesh Subramanian, Ranajay Ghosh
Proc. ASME. GT2022, Volume 2: Coal, Biomass, Hydrogen, and Alternative Fuels; Controls, Diagnostics, and Instrumentation; Steam Turbine, V002T05A023, June 13–17, 2022
Paper No: GT2022-83418
DOI: https://doi.org/10.1115/GT2022-83418
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Topics: Additive manufacturing, Ceramics, Gas turbines, Machine learning, Shrinkage (Materials), Sintering, Ovens, Computer-aided design, Computer software, Dimensions
Proceedings Papers

Sintering Behaviour of 3d Printed 17-4PH Stainless Steel

Nandhini Raju, Peter Warren, Ramesh Subramanian, Ranajay Ghosh, Erik Fernandez, Seetha Raghavan, Jayanta Kapat
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T17A028, June 13–17, 2022
Paper No: GT2022-83592
DOI: https://doi.org/10.1115/GT2022-83592
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Topics: Additive manufacturing, Diffusion (Physics), Materials properties, Metals, Shrinkage (Materials), Sintering, Stainless steel
Proceedings Papers

Passenger Rail Vehicle Dynamic Performance: Tests and Analysis Correlations

Gopal Samavedam, John Gomes, Peter Warren, Thomas Tsai
Proc. ASME. IMECE98, Rail Transportation, 61-65, November 15–20, 1998
Paper No: IMECE1998-0350
DOI: https://doi.org/10.1115/IMECE1998-0350
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Topics: Rail vehicles, Testing performance, Dynamic response, Safety, Simulation, Computer simulation, Experimental characterization, Vehicles
Journal Articles

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. April 2022, 144(4): 041004.
Paper No: GTP-21-1388
DOI: https://doi.org/10.1115/1.4052265
Published Online: January 13, 2022
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Topics: Aluminum alloys, Corrosion, Grain boundaries, Stress, Alloys, Simulation, Stress corrosion cracking, Computer simulation
Proceedings Papers

Rapid Defect Detection and Classification in Images Using Convolutional Neural Networks

Peter Warren, Hessein Ali, Hossein Ebrahimi, Ranajay Ghosh
Proc. ASME. GT2021, Volume 4: Controls, Diagnostics, and Instrumentation; Cycle Innovations; Cycle Innovations: Energy Storage; Education; Electric Power, V004T05A013, June 7–11, 2021
Paper No: GT2021-59801
DOI: https://doi.org/10.1115/GT2021-59801
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Topics: Artificial neural networks, Flaw detection, Optical quality control, Machine learning, Image processing, Inspection, Manufacturing, Nondestructive evaluation, Turbomachinery
Proceedings Papers

Computational Model of Mechano-Electrochemical Effect of Aluminum Alloys Corrosion

Hessein Ali, Zachary Stein, Quentin Fouliard, Hossein Ebrahimi, Peter Warren, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2021, Volume 9B: Structures and Dynamics — Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V09BT26A011, June 7–11, 2021
Paper No: GT2021-59681
DOI: https://doi.org/10.1115/GT2021-59681
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Topics: Aluminum alloys, Computer simulation, Corrosion, Stress corrosion cracking, Aerospace industry, Aerospace systems, Aircraft, Alloys, Deformation, Electrochemistry
Proceedings Papers

Modeling Thermally Grown Oxides in Thermal Barrier Coatings Using Koch Fractal

Peter Warren, Sandip Haldar, Seetha Raghavan, Ranajay Ghosh
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A019, June 17–21, 2019
Paper No: GT2019-91722
DOI: https://doi.org/10.1115/GT2019-91722
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Topics: Fractals, Modeling, Thermal barrier coatings, Stress, Cracking (Materials), Creep, Delamination, Failure, Fracture (Process), Geometry
Proceedings Papers

Synchrotron XRD Measurements of Thermal Barrier Coating Configurations With Rare Earth Elements for Phosphor Thermometry

Sandip Haldar, Peter Warren, Quentin Fouliard, David Moreno, Mary McCay, Jun Sang Park, Peter Kenesei, Jonathan Almer, Ranajay Ghosh, Seetha Raghavan
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T24A014, June 17–21, 2019
Paper No: GT2019-91013
DOI: https://doi.org/10.1115/GT2019-91013
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Topics: Phosphors, Temperature measurement, Thermal barrier coatings, Coatings, Temperature, Cycles, Data collection, Europium, High temperature, Luminescence
Proceedings Papers

Investigation of an Advanced Acoustic Based Nondestructive Evaluation Method

Peter Warren, Jason Williams, Paul Zombo, Ranajay Ghosh
Proc. ASME. GT2019, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T05A005, June 17–21, 2019
Paper No: GT2019-90260
DOI: https://doi.org/10.1115/GT2019-90260
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Topics: Acoustics, Nondestructive evaluation, Heat, Advanced materials, Computation, Computer simulation, Crack detection, Emissions, Excitation, Finite element analysis
Proceedings Papers

Investigating Load Transfer in Ceramic Reinforcements

Peter Warren, Ranajay Ghosh, Sanjida Jahan, Seetha Raghavan
Proc. ASME. GT2018, Volume 6: Ceramics; Controls, Diagnostics, and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T02A012, June 11–15, 2018
Paper No: GT2018-77068
DOI: https://doi.org/10.1115/GT2018-77068
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Topics: Ceramics, Stress, Particulate matter, Composite materials, Ceramic composites, Simulation, Design, Engines, Finite element analysis, Fuel efficiency