Ashley and Greg performed summer research at Boeing Seattle
Field Research Teams
Advanced Photon Source, Argonne National Laboratory, July 2019
Pictured from L to R: M. Northam, R. Ghosh, Q. Fouliard, B. Sarley, J. Hernandez, K. Vo, and S. Raghavan.
Journal Papers:
Chance Barrett, Zachary Stein, Johnathan Hernandez, Ravisankar Naraparaju, Uwe Schulz, Laurene Tetard, and Seetha Raghavan, “Detrimental effects of sand ingression in jet engine ceramic coatings captured with Raman-based 3D rendering”, Journal of the European Ceramic Society, 41(2), 1664-1671, 2021.
Zachary Stein, Peter Kenesei, Jun-Sang Park, Jonathan Almer, Ravisankar Naraparaju, Uwe Schulz, and Seetha Raghavan, “High-energy X-ray phase analysis of CMAS-infiltrated 7YSZ thermal barrier coatings: Effect of time and temperature”, Journal of Materials Research, 35(17), 2300-2310, 2020.
Quentin Fouliard, Johnathan Hernandez, Bauke Heeg, Ranajay Ghosh, Seetha Raghavan, “Phosphor Thermometry Instrumentation for Synchronized Acquisition of Luminescence Lifetime Decay on Thermal Barrier Coatings”, Measurement Science and Technology, 2020.
Conference Papers:
Quentin Fouliard, Johnathan Hernandez, Hossein Ebrahimi, Khanh Vo, Frank Accornero, Mary McCay, Jun-Sang Park, Jonathan Almer, Ranajay Ghosh, Seetha Raghavan ”Synchrotron X-Ray Diffraction To Quantify In-Situ Strain On Rare-Earth Doped Yttria-Stabilized Zirconia Thermal Barrier Coatings”, ASME Turbo Expo 2021: Turbomachinery Technical Conference & Exposition. American Society of Mechanical Engineers, 2021. (Accepted)
Johnathan Hernandez, Quentin Fouliard, Caroline Anderson, Matthew Northam, Khanh Vo, Jared Clabaugh, Douglas Wolfe et al. “In-Situ XRD Characterization of Interface Strains In Multilayered Ceramic Composite Systems for Hypersonics Applications” In 23rd AIAA International Space Planes and Hypersonic Systems and Technologies Conference. 2020.
Advanced Photon Source, Argonne National Laboratory, July 2018
L to R: M. Northam, J. Park, S. Raghavan, L. Rossmann, R. Ghosh, S. Haldar, Z. Stein, R. Naraparaju, P. Warren, P. Kenesei
Journal Papers:
Lin Rossmann, Brooke Sarley, Johnathan Hernandez, Peter Kenesei, Alain Köster, Janine Wischek, Jonathan Almer, Vincent Maurel, Marion Bartsch, and Seetha Raghavan. Method for conducting in situ high-temperature digital image correlation with simultaneous synchrotron measurements under thermomechanical conditions. Review of Scientific Instruments, 91(3), 033705, 2020.
Conference Papers:
Matthew Northam, Lin Rossmann, Brooke Sarley, Maxwell Smith, Peter Kenesei, Jun-Sang Park, Jonathan Almer, Bryan Harder, Vaishak Viswanathan, Seetha Raghavan,”Comparison of thermally cycled PS-PVD and EB-PVD thermal barrier coatings’ depth-resolved monoclinic phase evolution via synchrotron X-ray diffraction,” AIAA Scitech Forum, Orlando, FL, January 6-10, 2020.
Zachary Stein, Ravisankar Naraparaju, Uwe Schulz, Peter Kenesei, Jun-Sang Park, Jonathan Almer, Seetha Raghavan, “Synchrotron X-Ray Diffraction Study of Phase Transformation in CMAS Ingressed EB-PVD Thermal Barrier Coatings,” AIAA Scitech Forum, Orlando, FL, January 6-10, 2020.
Matthew Northam, Lin Rossmann, Brooke Sarley, Bryan Harder, Jun-Sang Park, Peter Kenesei, Jonathan Almer, Vaishak Viswanathan, Seetha Raghavan, “Comparison of Electron-Beam Physical Vapor Deposition and Plasma-Spray Physical Vapor Deposition Thermal Barrier Coating Properties Using Synchrotron X-ray Diffraction,” ASME Turbomachinery Technical Conference and Exposition, Phoenix, AZ, June 17-21, 2019.
Sandip Haldar, Peter Warren, Quentin Fouliard, David Moreno, Mary McCay, Jun-Sang Park, Peter Kenesei, Jonathan Almer, Ranajay Ghosh, Seetha Raghavan, “Synchrotron X-Ray Diffraction Measurements of Thermal Barrier Coating Configurations with Rare Earth Elements for Phosphor Thermometry,” ASME Turbomachinery Technical Conference and Exposition, Phoenix, AZ, June 17-21, 2019.
Rossmann L., Northam M., Sarley B., Chernova L., Viswanathan V., Harder B., Raghavan S., “Investigation of TGO stress in thermally cycled plasma-spray physical vapor deposition and electron-beam physical vapor deposition thermal barrier coatings via photoluminescence spectroscopy” International Conference on Metallurgical Coatings and Thin Films, 2019
Northam M., Rossmann L., Sarley B., Park J., Kenesei P., Almer J., Viswanathan V., Harder B., Raghavan S., “Mechanical properties of coatings by Electron-Beam Physical Vapor Deposition and Plasma-Spray Physical Vapor Deposition compared using Synchrotron X-ray diffraction” University Turbine System Review, 2018
Haldar S., Fouliard Q., Warren P., Moreno D., McCay M., Park J., Kenesei P., Almer J., Ghosh R., Raghavan S., “Synchrotron X-Ray Diffraction Measurements of Thermal Barrier Coating Configurations with Rare Earth Elements for Phosphor Thermometry” University Turbine System Review, 2018
Posters/Presentations:
Northam M., Rossmann L., Sarley B., Park J., Kenesei P., Almer J., Viswanathan V., Harder B., Raghavan S. “Mechanical properties of coatings by Electron-Beam Physical Vapor Deposition and Plasma-Spray Physical Vapor Deposition compared using Synchrotron X-ray diffraction” 2019 University Turbine Systems Research Project Review Meeting, Orlando, FL, November 2019.
Stein Z., Haldar S., Park J., Kenesei P., Almer J., Naraparaju R., Raghavan S., “CMAS Ingression Study on EB-PVD Thermal Barrier Coatings Using Synchrotron X-Ray Diffraction” Showcase of Undergraduate Research Excellence, UCF, April, 2019.
Smith M., Stein Z., Northam M., Rossmann L., Sarley B., Park J., Kenesei P., Almer J., Harder B., Viswanathan V., Raghavan S., “Phase Volume Fraction Compared Between PS-PVD & EB-PVD After Thermal Cycling Via X-Ray Diffraction” Showcase of Undergraduate Research Excellence, UCF, April, 2019.
Northam M., Rossmann L., Sarley B., Park J., Kenesei P., Almer J., Viswanathan V., Harder B., Raghavan S., (2018, November). “Mechanical properties of coatings by Electron-Beam Physical Vapor Deposition and Plasma-Spray Physical Vapor Deposition compared using Synchrotron X-ray diffraction”
Haldar S., Fouliard Q., Warren P., Moreno D., McCay M., Park J., Kenesei P., Almer J., Ghosh R., Raghavan S., “Synchrotron X-Ray Diffraction Measurements of Thermal Barrier Coating Configurations with Rare Earth Elements for Phosphor Thermometry” University Turbine System Review, 2018
Advanced Photon Source, Argonne National Laboratory, November 2016
L to R: M. Bartsch, J. Wischek, S. Raghavan, Q. Fouliard, B. Sarley, E. Luschen, L. Rossmann
Conference Papers:
Lin Rossmann, Brooke Sarley, Johnathan Hernandez, Peter Kenesei, Jonathan Almer, Janine Wischek, Marion Bartsch, Alain Köster, Vincent Maurel, Seetha Raghavan, “Method for Conducting In Situ High Temperature DIC with Simultaneous Synchrotron Measurements under Thermomechanical Load,” 2018 AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 8–12 January 2018, Kissimmee, Florida.
Advanced Photon Source, Argonne National Laboratory, July 2015
L to R: S. Sofronsky, K. Artzt, V. Villegas, M. Bartsch, B. Sarley, J. Wischek, S. Raghavan, A. Manero, A. Torkaman
Journal Papers:
Albert Manero II, Kevin Knipe, Janine Wischek, Carla Meid, John Okasinski, Jonathan Almer, Anette M. Karlsson, Marion Bartsch, and Seetha Raghavan, “Capturing the Competing Influence of Thermal and Mechanical Loads on the Strain of Turbine Blade Coatings via High Energy X-Rays,” Coatings, 320, Vol. 8, issue 9, 2018
Conference Papers:
Brooke Sarley, Albert C. Manero, Jose Cotelo, Janine Wischek, John Okasnski, Peter Kenesei, Johnathan Almer, Marion Bartsch, Seetha Raghavan., “Real-time phase evolution of Selective Laser Melted (SLM) Inconel 718 with temperature through synchrotron X-rays,” 58th AIAA/ASCE/AHS/ASC Structural Dynamics, and Materials Conference, AIAA SciTech Forum, 9-13 January 2017, Grapevine, Texas.
Advanced Photon Source, Argonne National Laboratory, March 2014
(Front) L to R: C. Meid, C. Lacdao, S. Raghavan (Back) L to R: A. Manero, S. Sofronsky, J. Wischek, M. Smith, K. Knipe, P. Kenesei
Journal Papers:
Albert C. Manero II, Stephen Sofronsky, Kevin Knipe, John Okasinski, Jonathan Almer, Janine Wischek, Carla Meid, Anette Karlsson, Seetha Raghavan, Marion Bartsch, “Monitoring local strain in a thermal barrier coating system under thermal mechanical gas turbine operating conditions“, The Journal of The Minerals, Metals & Materials Society (TMS), 1-12, 2015.
Kevin Knipe, Albert C. Manero II, Stephen Sofronsky, John Okasinski, Jonathan Almer, Janine Wischek, Carla Meid, Anette Karlsson, Marion Bartsch, Seetha Raghavan, “Synchrotron X-Ray Diffraction Measurements Mapping Internal Strains of Thermal Barrier Coatings During Thermal Gradient Mechanical Fatigue Loading“, Journal of Engineering for Gas Turbines and Power, 137(8), 082506, 2015.
Conference Papers:
Albert Manero II, Stephen Sofronsky, Katia Artzt, Stefan Hackemann, Janine Wischek, John Okasinksi, Peter Kenesei, Jonathan Almer, Marion Bartsch, Seetha Raghavan*, “Interpreting High Temperature Deformation Behavior of a Ceramic Matrix Composite via High Energy X-rays and Numerical Simulation,” SciTech 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 4-8 January 2016, San Diego, CA.
Albert C. Manero, Kevin Knipe, Carla Meid, Janine Wischek, Claudine Lacdao, Matthew Smith, John Okasinski, Jonathan Almer, Marion Bartsch, Anette Karlsson, Seetha Raghavan, “Comparison of Thermal Barrier Coating Stresses via High Energy X-Rays and Piezospectroscopy,” SciTech 53rd AIAA Aerospace Sciences Meeting, 5-9 January 2015, Kissimmee, FL.
Advanced Photon Source, Argonne National Laboratory, November 2012
L to R: S. Raghavan, A. Manero, K. Knipe, J. Wischek, C. Meid, M. Bartsch
Journal Papers:
Knipe, A. Manero II, S. Sofronsky, J. Okasinski, J. Almer, J. Wischek, C. Meid, A. Karlsson, M. Bartsch, S. Raghavan, “Synchrotron XRD Measurements Mapping Internal Strains of Thermal Barrier Coatings During Thermal Gradient Mechanical Fatigue Loading,” ASME Turbo Expo: Power for Land, Sea, and Air, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, 2014.
Kevin Knipe, Albert Manero, Sanna F. Siddiqui, Carla Meid, Janine Wischek, John Okasinski, Jonathan Almer, Anette M. Karlsson, Marion Bartsch, and Seetha Raghavan, “Strain response of thermal barrier coatings captured under extreme engine environments through synchrotron X-ray diffraction,” Nature Communications, 5, July 31, 2014.
Conference Papers:
Albert C. Manero, Kevin Knipe, Carla Meid, Janine Wischek, Claudine Lacdao, Matthew Smith, John Okasinski, Jonathan Almer, Marion Bartsch, Anette Karlsson, Seetha Raghavan, “Comparison of Thermal Barrier Coating Stresses via High Energy X-Rays and Piezospectroscopy,” SciTech 53rd AIAA Aerospace Sciences Meeting, 5-9 January 2015, Kissimmee, FL.
Kevin Knipe, Albert Manero, Sanna F. Siddiqui, Stephen Sofronsky, Pascal Fouquet, Carla Meid, Janine Wischek, Marion Bartsch, John Okasinski, Jonathan Almer, Anette Karlsson and Seetha Raghavan “Synchrotron XRD Measurements of Thermal Barrier Coatings Subjected to Loads Representing Operational Conditions of Rotating Gas Turbine Blades,” AIAA SciTech 52nd Aerospace Sciences Meeting, 13-17 January 2014, National Harbor, Maryland.
Advanced Photon Source, Argonne National Laboratory, July 2012
L to R: S. Siddiqui, S. Scott, J. Okasinski, M. Ewen
Journal Papers:
Sanna F. Siddiqui, Kevin Knipe, Albert Manero, Carla Meid, Janine Wischek, John Okasinski, Jonathan Almer, Anette Karlsson, Marion Bartsch, and Seetha Raghavan, “Synchrotron X-Ray Measurement Techniques for Thermal Barrier Coated Cylindrical Samples under Thermal Gradients”, Review of Scientific Instruments, 84, 083904, 2013.
Advanced Photon Source, Argonne National Laboratory, November 2010
L to R: A. Jones, T. Field, M. Mossaddad
Conference Papers:
Field T., Jones A., Jansz M., Raghavan S., Okasinski J., Almer J. “Synchrotron X-rays Monitoring Nano-Aluminum Grain Growth of a Metal Matrix Composite under Thermo-mechanical Conditions”, Proceedings of the 53rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, 23-26th April 2012, Honolulu, Hawaii.
Advanced Photon Source, Argonne National Laboratory, July 2010
L to R: S. Raghavan, Staff, R. Diaz, P.K. Imbrie, M. Mossddad, A. Bishop, H. Perez
Journal Papers:
Diaz, M. Jansz, M. Mossaddad, S. Raghavan, J. Okasinski, J. Almer, H. Palaez-Perez, P. Imbrie, “Role of mechanical loads in inducing in-cycle tensile stress in thermally grown oxide“, Applied Physics Letters, Vol 100, 111906, 2012
Conference Papers:
Rene Diaz, Mitra Mossaddad, Anil Bozan, Seetha Raghavan, Jonathan Almer, John Okasinski, Hugo Palaez-Perez, Peter Imbrie, “In-Situ Strain Measurements of EB-PVD Thermal Barrier Coatings using Synchrotron X-Ray Diffraction under Thermo-Mechanical Loading” Proceedings of the 49th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition, 7 January 2011, Orlando, Florida.