Externally Sponsored (Active in Red)
Y.H. Sohn, “NSF ENGINES Development Award: Advancing Additive Manufacturing Technologies (FL),” ASTRO America, Tallahassee, FL, 32310 through Directorate for Technology, Innovation and Partnership (TIP), National Science Foundation (NSF), 2023 – 2024.
Y.H. Sohn, R. Kumar, T. Jiang, K.R. Coffey, “Agile Manufacturing Science and Technology Innovation for Advanced Materials and Materials Processing,” US Department of Defense (DOD) – Army Research Laboratory, Aberdeen Proving Ground, 2017-2024.
Y.H. Sohn, “Additive Manufacturing of Metallic Materials for Magnetic Shielding Applications,” Philips North America, Cambridge, MA 02141, 2022-2024.
Y.H. Sohn, “Additive Manufacturing of Metallic Materials ,” Florida High Tech Corridor, 2022-2024.
Y.H. Sohn, “Characterization (Compositional and Microstructural) of the Aluminum Alloy Bond Interface as seen in U-Mo Monolithic Type Fuel,” US Department of Energy (DOE) – Idaho National Laboratory (INL), Idaho Falls, ID, 2022-2024.
Y.H. Sohn, “Gas Atomization and Laser Powder Bed Fusion of Metallic Alloys for ICME Integrated Materials Development and Properties/Performance Assessment for Hypersonic Vehicles Applications,” LIFT Technologies – American Lightweight Materials Manufacturing Innovation Institute, 2022-2023.
Y.H. Sohn, “Additive Manufacturing of Refractory Metallic Alloys,“ US Department of Energy (DOE) – Idaho National Laboratory (INL), Idaho Falls, ID, 2022-2023.
Y.H. Sohn, “Study on Fracture Resistance Mechanism of HB500 Grade High Hardness and High Toughness Steel Welds,” POSCO, Pohang, South Korea, 2023-2024.
Y.H. Sohn, “Printability/Buildability ICME Development for Alloy Design/Selection using Additive Manufacturing,” ULIFT University Challenge, LIFT Technologies – American Lightweight Materials Manufacturing Innovation Institute, 2022.
Y.H. Sohn, “Out-of-Pile Testing to Support United States High Performance Research Reactor (US-HPRR) Fuel Development,” US Department of Energy (DOE) – Idaho National Laboratory (INL), Idaho Falls, ID, 2019-2022.
Y.H. Sohn, “Additive Manufacturing of Metallic Alloys for Nuclear Materials and Technology,” US Department of Energy (DOE) – Idaho National Laboratory (INL), Idaho Falls, ID, 2019-2021.
Y.H. Sohn, “Design-to-Component, Closed-Loop ICME Developmentof Additive Manufacturing Alloys for Naval Applications,” US Office of Naval Research, Arlington, VA, USA, 2017-2021.
Y.H. Sohn, K.R. Coffey, “Mechanisms of Retention and Transport of Fission Products in Virgin and Irradiated Nuclear Graphite,” U.S. Department of Energy: Consolidated Innovative Nuclear Research, 2017-2021.
Y.H. Sohn, L. Zhou, “Wireless High Temperature Sensors for Real-Time Monitoring of Gas Turbine Engines,” Sensatek Propulsion Technologies, Inc. (NSF SBIR Phase II), 2019-2020.
Y.H. Sohn, D. Reinhart, “MSW Combustion Ash Co-Disposal with Unburned Waste: Implications for Elevated Temperature Landfill,” Environmental Research and Education Foundation, Raleigh, North Carolina, USA, 2018-2020.
Y.H. Sohn, “Microstructural Analysis of Inconel 625 Produced by Selective Laser Melting for Aerospace Applications,” Aerojet Rocketdyne, 2018-2019.
Y.H. Sohn, “Microstructural Analysis of Coal Core Composites for Low Cost, Light Weight, Fire Resistant Panels and Roofing Materials,” SEMPlastics, LLC (USDOE SBIR Phase I), 2018-2019.
Y.H. Sohn, “Out-of-Pile Testing to Support Reduced Enrichment for Research and Test Reactors Fuel Development,” US Department of Energy (DOE) – Idaho National Laboratory (INL), Idaho Falls, ID, 2013-2019.
Y.H. Sohn, “CMAS and Heavy Fuel Oil Corrosion Resistance Test of Thermal Barrier Coatings for Gas Turbine Application,” Doosan Heavy Industry and Construction, Seoul, South Korea, 2017-2018.
Y.H. Sohn, “Microstructural Evaluation of AA6061/AA6061 Cladding Bond in As-Fabricated Monolithic Samples to Support the MP-1 Irradiation Experiment,” US Department of Energy (DOE) – Idaho National Laboratory (INL), ID, 2016-2017.
Y.H. Sohn, “Advanced Materials Design and Innovative Processing Development,” US Army Research Laboratory, Aberdeen Proving Ground, 2011-2017.
Y.H. Sohn, “Investigation on the Spatter Generation Behavior in Flux-Cored Arc Welding with High Manganese Steels,” POSCO, Pohang, South Korea, 2016-2018.
Y.H. Sohn, “Microstructural Understanding of High Throughput Additive Manufacturing and Surface Modification by Laser,” Research Institute of Industrial Science and Technology (RIST), Pohang, South Korea, 2016-2017.
Y.H. Sohn, “Advanced Test Reactor – National Scientific User Facility Program: Low Fluence Behavior of Metallic Fuels,” US Department of Energy – Idaho National Laboratory, ID, 2010-2016.
Y.H. Sohn, “Microstructural and Compositional Evolution during Fluidized Degassing Process for Development of Nanostructured, Lightweight Composite Powders,” Matsys Corporation, Sterling, VA, 2013-2015.
Y.H. Sohn, K.R. Coffey, “Diffusion and Microstructural Evolution of The Fuel-Cladding Interaction,” US Department of Energy – Idaho National Laboratory, ID, 2009-2015.
Y.H. Sohn, “Diffusion Barrier for U-Mo Nuclear Fuels Cladded with Al Alloys,” Idaho National Laboratory, ID, Department of Energy (DOE), 2007-2014.
Y.H. Sohn, “Microstructural Development of Metallic Alloys with Novel Processing Techniques,” Worcester Polytechnic Institute, Worcester, MA, 2013-2014
Y.H. Sohn, “High Temperature Diffusion in U-Zr Alloys,” US Department of Energy – Idaho National Laboratory, ID, 2011-2012.
Y.H. Sohn, K. Coffey “Tracer Diffusion Coefficient Measurement for Mg-Alloys,” Department of Energy – Oak Ridge National Laboratory, TN, 2008-2013.
Y.H. Sohn, C. Xu and J. Kapat, “Phase-Field Modeling and Experimentation of Thermotransport in U-Alloys for Transmutation in Fast Reactors,” US Department of Energy – Idaho National Laboratory, ID, 2008-2013.
Y.H. Sohn, “Microstructural Characterization of Magnesium Powders and Composites via Cryomilled Process,” Hart Metals, Tamaqua, OH, 2011-2013.
Y.H. Sohn, “Microstructural Characterization of Superlightweight Nanoengineered Aluminum-based Composites for Armor Applications,” DWA Composite Company, Chatsworth, CA, and 2008-2012.
Y.H. Sohn, “Algal Biofuel for Aviation: Compatibility in Hot Section Materials and Coatings,” US Department of Defense – Air Force Research Laboratory Subcontract through New Mexico State University, Las Cruces, 2010-2011.
Y.H. Sohn, “Process Dependent Microstructure and Severe Plastic Deformation in SiCp or Al2O3 Reinforced Aluminum Metal Matrix Composites,” MC-21 Incorporated, Carlson City, NV, 2010-2011.
Y.H. Sohn, “Understanding Severe Plastic Deformation in Mg-Alloys,” Magnesium-Elektron North American, WI, 2010-2011.
Y.H. Sohn, “Next Generation Lightweight Metal Matrix Composites,” Magnesium-Elektron North America, Inc., Madison, IL, 2010-2011.
Y.H. Sohn, “Effects of Alloying Additions on the Interdiffusion Behavior of U-Mo Alloys in Al Matrix,” Idaho National Laboratory, ID, Department of Energy (DOE), 2006-2010.
Y.H. Sohn, “Development of Prime Reliant Thermal Barrier Coatings via Phase Field Modeling and Experimental Validation,” Florida Center for Advanced Aero-Propulsion (FCAAP), Tallahassee, FL, 2008-2010.
Y.H. Sohn, “Investigation of Precipitation Hardening Process in Copper Alloys for Rotor Applications,” Siemens Power Generation, Orlando, FL, and Florida High Tech Corridor, 2009-2010.
Y.H. Sohn, “Development, Evaluation and Characterization of Thermal Barrier Coatings for DGT-5,” Doosan Heavy Industries, Seoul, Korea, 2008-2010.
Y.H. Sohn, “Oxide Scale Retention in Steam-Oxidized High Temperature Alloys,” General Electric Company, Schenectady, New York, 2009 – 2010.
Y.H. Sohn, K. Scammon, “Acquisition of Critical Point Drier for Characterization of Materials in Biology and Medicine,” Neurosurgery and Florida High Tech Corridor, 2007.
Y.H. Sohn, P. Schelling, L. An, L. Zhai, A. Kumar, “Failure Mechanisms, Life Prediction and Enhanced Performance of Thermal and Environmental Barrier Coatings,” NASA-Aeronautics Research Mission Directorate, Washington D.C., 2006-2008.
Y.H. Sohn, “Microstructural Characterization of Crack Initiation in Turbine Engine Components,” Mitsubishi Power Systems, Inc., Orlando, FL and Florida High Tech Corridor, 2006-2006.
Y.H. Sohn, L. Zhai. F. Wei, “Development of Surface Modification Techniques for Synthesis of Hybrid Tungsten Nano-powders,” Army Research Laboratory, MD, 2006-2009.
Y.H. Sohn, “Microstructural Analysis of Fuel-Dependent Degradation in Thermal Barrier Coatings,” Siemens Power Generation Incorporated, Orlando, FL and Florida High Tech Corridor, 2006-2007.
Y.H. Sohn, V.H. Desai, “Degradation of Thermal Barrier Coatings with Syngas Combustion: Testing by Hyperbaric Advanced Development Environmental Simulator and Characterization by Advanced Electron Microscopy,” University Turbine Systems Research (UTSR), Department of Energy (DOE), 2005-2008.
Y.H. Sohn, “CAREER: Fundamentals of Multicomponent Diffusion in Multiphase Alloys – Advances in Phenomenological Descriptions and Experimental Techniques,” Division of Materials Research, National Science Foundation (NSF), Arlington, VA, 2003-2008.
Y.H. Sohn, “Failure Mechanisms in Furnace-Cycle and Syngas Tested Thermal Barrier Coatings by Using Photoluminescence and Electron Microscopy,” Siemens-Westinghouse Power Corporation, Orlando, FL and Florida High Tech Corridor, 2005-2006.
Y.H. Sohn, “Processing and Performance Evaluation of Thermal Barrier Coatings,” Siemens-Westinghouse Power Corporation, Orlando, FL and Florida High Tech Corridor, 2005-2006.
Y.H. Sohn, “Assessment and Failure Analysis of Spring Clips, Deflector and Sleeve of Turbine Components,” Mitsubishi Power Systems, Inc., Orlando, FL, 2005-2006.
Y.H. Sohn, “Fatigue Failure Analysis of Spindle Bolt,” Siemens-Westinghouse Power Corporation, Orlando, FL, 2005-2006.
Y.H. Sohn, “Development of Thermal Wave Imaging as a Non-Destructive Evaluation Technique for Thermal Barrier Coatings,” Solar Turbines Incorporated, San Diego, CA 92186-5376, 2004-2005.
Y.H. Sohn, “Reaction Characterization of High Temperature Materials by Differential Scanning Calorimetry,” Lockheed Martin Missiles and Fire Control, Orlando, FL, 32819-8907, 2004-2005.
Y.H. Sohn, “Assessment of Diffusional Interactions in Ni-Cr-Al System with Ta and W Additions for Development of Durable Coatings,” Siemens-Westinghouse Power Corporation, Orlando, FL and Florida High Tech Corridor, 2004-2005.
Y.H. Sohn, “ZFP Based Design of Oxidation and Hot-Corrosion Resistant Stand-Alone Metallic Coatings and Bond Coats for Thermal Barrier Coatings,” Embryonic Technology Program, Siemens-Westinghouse Power Corporation, Orlando, FL and Florida High Tech Corridor, 2003-2004.
Y.H. Sohn, R.R. Vanfleet, L.A. Giannuzzi, “Scanning – High Resolution Transmission Electron Microscopy of Thermal Barrier Coatings as a Function of Bondcoat Compositions,” Siemens-Westinghouse Power Corporation, Orlando, FL and Florida High Tech Corridor, 2002-2003.
Y.H. Sohn, V.H. Desai and L.A. Giannuzzi, “Assessment of Failure Mechanisms for Thermal Barrier Coatings by Photoluminescence, Electrochemical Impedance and Focused Ion Beam,” University Turbine Systems Research (UTSR) Administered by Clemson University, Department of Energy (DOE) – National Energy Technology Laboratory (NETL), 2002-2005.
Y.H. Sohn and R.R. Vanfleet, “Microstructural Characterization of Next-Generation Thermal Barrier Coatings,” Siemens-Westinghouse Power Corporation, Orlando, FL and Florida High Tech Corridor, 2001-2002.
Y.H. Sohn and L.A. Giannuzzi, “Microstructural Analysis of Hypoeutectic Al-Si Alloys Using Focused Ion Beam and Transmission Electron Microscopy”, Worcester Polytechnic Institute, Worcester, MA, 2001.
Y.H. Sohn, “Isothermal Oxidation and Phase Transformation of Aluminized CMSX-4 Single Crystal Superalloys,” Solar Turbines Incorporated, San Diego, CA 92186-5376, 2001-2002.
Y.H. Sohn, “Evaluation of Interdiffusion Coefficients from Combinatorial-Rapid Alloy Assessment Method,” Corporate Research and Development (GE-CRD), General Electric Company, Schenectady, NY 12301, 2001.
Y. H. Sohn and S. Jha, “Development of Alumina Coatings for Extending the Life of Thermal Barrier Coatings,” Surmet Corporation, Burlington, MA, 2001-2002.
External Co-PI
S. Seal, T. Roy, Y.H. Sohn, S. Branting, “NSF MRI: Acquisition of State of the Art Imaging X-Ray Photoelectron Spectroscopy: Integrating Nanotechnology, Catalysis, Physics, Manufacturing and Archaeological Research & Education,” National Science Foundation, 2017-2020.
K. Richardson, Y.H. Sohn, R. Gaume, “Advanced Parallel Beam X-Ray Diffractometer for Optical Materials,” U.S. Department of Defense (DOD), Air Force Office of Science and Research (AFOSR), Defense University Research Instrumentation Program (DURIP), 2014-2015.
P. Schelling, Y.H. Sohn, “Multiscale Simulation and Experimentation Study of Thermotransport in Binary Alloys,” Division of Materials Research (DMR-1106219), National Science Foundation (NSF), Arlington, VA, 2011-2015.
D. Britt, P. Schelling, Y.H. Sohn, T. Bradley, K.D. Belfield, “Catalyzed Production of Organic Molecules on the Surfaces of Asteroids,” Florida Space Institute, Orlando, FL, 2013-2014.
A. Gordon, Y.H. Sohn, “Thermomechanical Behavior of Metal-Matrix Composites,” MC-21 Incorporated, Carson City, Nevada, 2009 – 2010.
S. Seal, Y.H. Sohn, V.H. Desai, “Acquisition of F4 and 7MB Thermal Spray Gun and DPV, AccuraSpray Software for Coatings Research”, Siemens-Westinghouse Power Corporation, Orlando, FL, 2005; Presidential Initiative to Fund Major Research Equipment, University of Central Florida, 2005-2006.
R.G. Sellar and Y.H. Sohn, “Remote Sensing Technologies for Location of Gas Leaks, Phase II”, NASA Kennedy Space Center (KSC), FL 32899, 2001-2002.
M. Gell, E. Jordan and Y.H. Sohn, “Thermal Barrier Coatings and Metallic Coatings with Improved Durability”, High Efficiency Turbine Technology (HEET) University Turbine Systems Research (UTSR) Administered by Clemson University, Department of Energy (DOE) – National Energy Technology Laboratory (NETL), 2001-2004.
Internal PI:
Y.H. Sohn, “Undergraduate Research Initiative: Multicomponent Interdiffusion – Experiments and Phase-Field Modeling,” University of Central Florida, 2002-2003.
Y.H. Sohn, D. Chakrabarti, H. Heinrich, J. Hickman, J. Pearson, Q. Huo, S. Khondaker, “Acquisition of Transmission Electron Microscope for Polymeric and Biological Studies at Nano Scale,” Presidential Initiative to Fund Major Research Equipment, University of Central Florida, 2006.
Y.H. Sohn, H.J. Cho, “Acquisition of Laser Scanning Confocal Microscope for Research in Advanced Materials, MEMS, Biomolecular Science and Nanotechnology,” Presidential Initiative to Fund Major Research Equipment, University of Central Florida, 2006.
Y.H. Sohn, “Acquisition of Major Equipment Cluster for Investigations in Multicomponent-Multiphase Diffusion with Applications in High Temperature Coatings,” Presidential Initiative to Fund Major Research Equipment, University of Central Florida, 2003.
Y.H. Sohn, “Undergraduate Research Initiative: Thermal Barrier Coatings,” University of Central Florida, 2002-2003.
Y.H. Sohn, “Simultaneous Differential Scanning Calorimeter (DSC) and Thermal Gravimetric Analyzer (TGA) for High Temperature Oxidation Studies”, Presidential Initiative to Fund Major Research Equipment, University of Central Florida, 2002.
Y.H. Sohn, “Failure Characteristics and Mechanisms of Thermal Barrier Coatings”, In-House Research Grant, University of Central Florida, 2001-2002.
Y.H. Sohn, “Development of Photostimulated Luminescence Piezo-Spectroscopy for Oxidation Resistant High Temperature Coatings”, Presidential Initiative to Fund Major Research Equipment, University of Central Florida, 2001.
Internal Co-PI
M.A. Dayananda and Y.H. Sohn, “Interdiffusion and Microstructural Stability of Fe-Ni-Al Alloys Containing Ordered Intermetallic Phases”, Purdue Research Foundation, Purdue University, West Lafayette, Indiana, 1995.
Many from The University of Central Florida Including Presidential Major Equipment Award, In-House Research Grant, Florida High Tech Corridor Programs.