He is a senior staff scientist and team lead for materials processing within the Applied Materials and Performance Group at Pacific Northwest National Laboratory. His research focus is on the formability, joining, and manufacturing of materials for industrial applications, and in the development of new solid state joining and processing technologies for advanced materials for future energy applications, including vehicle technologies, power generation, hydrocarbon, and chemical transport and processing. He has been researching and developing Friction Stir Welding and Processing at the lab since 1997. He currently leads a portfolio of projects investigating Friction Stir Joining and Processing as a new manufacturing technology and programs in solid-state compaction and processing of new materials for high temperature and high-performance applications. He has over 25 publications on solid state joining and processing, more than 30 years’ experience in the microstructural and mechanical characterization of materials, and in the exploration of process/property relationships.
He is a staff scientist at Idaho National Laboratory (INL) and a recognized expert in materials characterization and instrumentation. He has a doctorate in materials science and condenser matter physics from the University of California, Davis. His work has spanned global and nationwide collaborations. He has worked at premier nanocharacterization facilities at national laboratories and universities and has expert knowledge of scanning transmission electron microscopy, atom probe tomography and electron loss spectroscopy. His primary research interests lie in the investigation of materials and the origins of their physical properties. He has heavily leveraged the use of multidimensional microscopy, diffraction and artificial intelligence to address delays in data access and extraction, which has led to a new frontier in advanced microscopy. At INL, he continues to focus on the development and application of machine and deep learning in order to decipher and decimate information from images, spectra, and diffraction patterns to maximize the effectiveness, efficiency and utility of advanced microscopy. He is an invited academic faculty member and manager for a diverse group of postdoctoral research scientists, graduate students, and technicians across several national laboratories and universities. He is an author of 45 peer-reviewed publications, a recognized reviewer, and a technical contributing member to energy materials research. He was awarded two patents and has three patents pending, including an innovative approach to computational microscopy using machine learning.
She is a materials engineer for the National Renewable Energy Laboratory in charge of determining new fluid formulations (molten salts, liquid metals, supercritical) for thermal applications. She is researching in corrosion mitigation to control degradation at high temperature under extreme conditions (mechanical, chemical, and thermal). She has become a material’s expert in solar thermal applications. She successfully managed complex, multimillion dollar projects, including coordinating multiple partners and professional scientists and engineers. Her understanding of the interaction of materials with the surrounding environment is key for selecting the appropriate materials used in thermal energy storage and heat transfer fluid systems. She has a patent, multiple publications in molten-salt utilization and characterization with applications as sensible heat fluid and phase-change materials, and other publications on corrosion evaluation of ceramics, alloys and surface treatments for high-temperature applications in harsh environments. She earned a bachelor’s and master’s in materials engineering from Simon Bolivar University and a doctorate from Colorado School of Mines in metallurgical and materials engineering. She also holds a research assistant professor appointment in the Metallurgical & Materials Engineering Department at the Colorado School of Mines. She has accumulated over 25 years of experience in materials science and engineering.
He is a directorate fellow and department manager at Idaho National Laboratory and dedicated to conducting radiation effects research, leading to the development of radiation tolerant materials, for 25 years. Throughout his career, he has demonstrated a successful multidisciplinary approach, involving extensive experimental investigations, exhaustive post-irradiation microstructural characterization, and theoretical modeling. He has extensive experience using multiple techniques, such as light ions, heavy ions, in-situ ion irradiation/microscopy, and neutron irradiation to conduct research focused on the relationships between radiation damage, material microstructure, and material performance on a broad range of reactor structural materials and nuclear fuels. In addition to this effective multidisciplinary approach, he is a recognized international expert in the nanoscale characterization of irradiated fuels and materials using transmission electron microscopy (TEM) methods. His important contributions include the evaluation of radiation effects in advanced carbide and nitride candidate materials for the Generation IV gas-cooled fast reactor program; characterization of the fission gas superlattice bubbles in irradiated U-Mo fuel; work as a principal investigator on a project that helped scientists to understand the role of irradiated defect development on thermal conductivity degradation in UO2; and evaluation of the radiation stability of advanced oxide dispersion strengthened alloys using ion irradiation that revealed the superior radiation performance of these alloys to high radiation dose. He also leads a team of researchers at Idaho National Laboratory and Brookhaven National Laboratory conducting research under a U.S. Department of Energy Basic Energy Sciences project he initiated on gas bubble self-organization.
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