Project Head Nuclear Fuels, Laboratory for Nuclear Materials, Paul Scherrer Institut (PSI), Switzerland
Johannes Bertsch studied Physics in Karlsruhe (Germany) and Grenoble (France) and received his PhD from the Karlsruhe Institute of Technology (KIT) in the area of fatigue of irradiated, fusion relevant steels. After several years in industry Johannes joined the Paul Scherrer Institut in Switzerland. He is responsible for a research group who focuses on the properties, behavior and performance of nuclear fuels, comprising both, cladding and pellets.
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With respect to claddings, interest is in corrosion and hydrogen uptake, as well as the cladding thermo-mechanical response to hydrogen and hydrides, during and after service in the reactor. Concerning fuel, interest is in the restructuring of the fuel due to irradiation damage and fission products creation and the chemical properties with increasing burn-up. Besides hotlab related methods, advanced characterization methods like synchrotron radiation or neutron radiography are used, whereas the synchrotron SLS at PSI allows to analyze small amounts of irradiated fuel. The project work is mostly linked to stakeholders from industry or regulators. Johannes has published results in numerous journals and conference proceedings; he is reviewer for several scientific journals.
Frank Stanton Professor in Nuclear Security and Co-Director, Center for International Security and Cooperation, Freeman Spogli Institute for International Studies, Stanford University, USA
Rod Ewing is the Frank Stanton Professor in Nuclear Security and a Co-Director at the Center for International Security and Cooperation in the Freeman Spogli Institute for International Studies and a Professor in the Department of Geological Sciences in the School of Earth, Energy and Environmental Sciences at Stanford University.
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He is also the Edward H. Kraus Distinguished University Professor Emeritus in the Department of Earth & Environmental Sciences at the University of Michigan and a Regents’ Professor Emeritus at the University of New Mexico.
Rod received a B.S. degree in geology from Texas Christian University (1968, summa cum laude) and M.S. (l972) and Ph.D. (l974, with distinction) degrees from Stanford University where he held an NSF Fellowship. His graduate studies focused on an esoteric group of minerals, metamict Nb-Ta-Ti oxides, which are unusual because they have become amorphous due to radiation damage caused by the presence of radioactive elements. Over the past forty years, the early study of these unusual minerals has blossomed into a broadly based research program on radiation effects in complex ceramic materials. This has led to the development of techniques to predict the long-term behavior of materials, such as those used in radioactive waste disposal. He is the author or co-author of over 750 research publications and the editor or co-editor of 18 monographs, proceedings volumes or special issues of journals. He has published widely in mineralogy, geochemistry, materials science, nuclear materials, physics and chemistry in over 100 different ISI journals. He has been granted a patent for the development of a highly durable material for the immobilization of excess weapons plutonium. He is a founding Editor of the magazine, Elements, which is now supported by 17 earth science societies. He is a Principal Editor for Nano LIFE, an interdisciplinary journal focused on collaboration between physical and medical scientists. He is a Founding Executive Editor for Geochemical Perspective Letters (2014 to 2017) and is on the Editorial Board of Applied Physics Reviews.
Ewing received the Hawley Medal of the Mineralogical Association of Canada in 1997 and 2002, a Guggenheim Fellowship in 2002, the Dana Medal of the Mineralogical Society of America in 2006, the Lomonosov Gold Medal of the Russian Academy of Sciences in 2006, a Honorary Doctorate from the Université Pierre et Marie Curie in 2007 and is a foreign Fellow of the Royal Society of Canada. He was recognized for his research in mineralogy and materials science by the award of the Roebling Medal of the Mineralogical Society of America in 2015, Medal for Excellence in Mineralogical Research from the International Mineralogical Association in 2015 and the Radiation Effects in Insulators Award for lifetime achievements in 2017. He was elected a member of the National Academy of Engineering in 2017. Ewing has served on the Board of Directors of the Geochemical Society, the Board of Governors of the Gemological Institute of America and the Science and Security Board of the Bulletin of the Atomic Scientists.
In 2012, he was appointed by President Obama as Chairman of the Nuclear Waste Technical Review Board, which is responsible for ongoing and integrated technical review of DOE activities related to transporting, packaging, storing and disposing of spent nuclear fuel and high-level radioactive waste. He stepped down from the NWTRB in 2017.
Mirco K. Grosse
Senior Scientist, High-Temperature Materials Chemistry Group at the Institute for Applied Materials – Applied Materials Physics, Karlsruhe Institute of Technology, Germany
Mirco Grosse is Senior Scientist in the High Temperature Chemistry Group at the Institute for Applied Materials – Applied Materials Physics of the Karlsruhe Institute of Technology (Germany)
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Mirco received a diploma degree in material sciences from the Technical University “Bergakademie” Freiberg (Germany) in 1990. He started his career at the Central Institute of Nuclear Research of the Eastern-German Academy of Science, the later Research Centre Rossendorf. Here he investigated the structural reasons of neutron embrittlement of reactor pressure vessel steels.
In 1999 he switched to the Paul-Scherrer Institute in Villigen (Switzerland). His main topics were the diagnostic of fatigue degradation in metastable austenitic steels and the measurement of residual stresses in metallic components by means of neutron diffraction.
Since 2005 he is a member of the QUENCH team at the Institute for Applied Materials of the Karlsruhe Institute of Technology, the former Research Centre Karlsruhe. His main expertise is on material processes occurring during LOCA and the early phase of severe accidents with the focus on the oxidation and eutectic reactions as well as hydrogen uptake of zirconium alloys and new cladding materials.
He is author or co-author of 83 research publications in ISI reviewed journals and of two chapters of textbooks. He is reviewer for several scientific journals.
CEA, Nuclear Energy Division, France
Christine Guéneau is currently an international expert working in the Nuclear Energy Division of the French Alternative Energies and Atomic Energy Commission (CEA) in the University Paris-Saclay (France). After receiving her PhD in metallurgy at the University Paris-Sud in Orsay, she joined CEA Saclay for a Post-Doc Fellowship where she obtained a permanent researcher position in 1995.
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Her primary research interests are in materials science and more specifically in thermodynamics, both experimentally and using computational thermodynamics. She is actively involved in research on the high temperature behavior of nuclear materials with particular emphasis on the thermodynamic and kinetic modelling of nuclear fuels. She is also actively involved in the development of thermodynamic databases on nuclear materials and related computational thermodynamics to predict the behavior of irradiated fuels at high temperature and its chemical interaction with the environment in normal and/or off-normal conditions.
Department of Physics, University of Helsinki, Finland
Kai Nordlund is professor of computational materials physics and head of the Department of Physics at the University of Helsinki. He received his PhD in physics in 1995 at the University of Helsinki, and after postdoc positions at the University of Illinois and Academy of Finland was appointed full professor at his alma mater in 2003.
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He is leading a 20-person research group doing quantum mechanical, classical and mesoscale atomistic simulations of radiation and other non-equilibrium effects in all classes of materials. As of 2018, he has published more than 490 refereed publications, and his h-index exceeds his age.
National Technical Director, U.S. Department of Energy Nuclear Energy Advanced Modeling and Simulation (NEAMS), USA
Chris Stanek is the National Technical Director of the U.S. Department of Energy Nuclear Energy Advanced Modeling and Simulation (NEAMS) program, and was previously the focus area lead of Materials Performance Optimization for the Consortium for Advanced Simulation of LWRs (CASL) Energy Innovation.
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Stanek received his B.S. in Materials Science and Engineering at Cornell University where he was a McMullen Scholar and his Ph.D. in Materials from Imperial College London. His research interests focus on the interaction between multidimensional defects in ceramics, primarily via atomistic simulation techniques. Stanek has a particular interest in materials for nuclear energy, including transmutation fuels, crystalline waste forms and scintillator radiation detectors. Stanek has published over one hundred papers related to defect behavior in ceramics.
CEA, Saclay, France
Dr Pascal Yvon works in the nuclear energy division of the French atomic energy commission (CEA) as the director of nuclear activities in Saclay. He holds an engineering degree from Ecole Centrale Paris and a PhD in Applied Physics form the California Institute of Technology.
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After working a s a research assistant at the Center for Material Science of the Los Alamos National Laboratory, he worked at the Institute for Advanced Materials in Petten (The Netherlands) before joining CEA in 1996, where he was in charge of studies on the behavior under irradiation of zirconium alloys. Then he held several management positions in the Department of Materials for Nuclear applications, which he headed from 2009 to 2015. He also worked as the program manager for high temperature reactors and hydrogen production from 2006 to 2009. Pascal Yvon is an adjunct professor at Centrale Supelec and PHELMA Grenoble.
Oak Ridge National Laboratory, USA
Dr. Yanwen Zhang is a Distinguished R&D Staff at Oak Ridge National Laboratory (ORNL) with a joint faculty appointment in the Department of Materials Science and Engineering at University of Tennessee. She is the director of an Energy Frontier Research Center (EFRC) for Energy Dissipation to Defect Evolution (EDDE) that brings together a multidisciplinary team of researchers from National Laboratories and Universities to advance our understanding of energy dissipation mechanisms in complex alloys, with ultimate aims to control the evolution of defects in structural materials.
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She received B.S. (1990) and M.S. (1993) degrees in solid state physics at Beijing Normal University (China), and was awarded a Ph.D. in Nuclear Physics (1998) from Lund University (Sweden) and a Ph.D. in Science (1999) from Beijing Normal University (China). After earning two Ph.D. degrees, she held positions as a Postdoctoral Fellow (1999) and Assistant Professor (2000-2002) at Uppsala University (Sweden), and as a senior/staff scientist at Pacific Northwest National Laboratory from 2003 to 2010 before joining ORNL. Dr. Zhang’s research has been focused on the interaction of ions, electrons and photons with materials and how these interactions can be applied to modify or characterize materials, as well as to detect charged particles. She was the recipient of a 2005 Presidential Early Career Award for Scientists and Engineers and DOE Office of Science Early Career Scientist and Engineer Award in recognition of her seminal contributions to the fields of ion-beam physics and ion-solid interactions in materials. Dr. Zhang’s notable experience and accomplishment over the years is highlighted by her publication record, which includes over 300 journal articles (72 as the lead author) and 75 invited presentations.