15 Rebecca Smith Chemical Engineer B.Sc.ChemicalEngineering,(Psychologyminor), MassachusettsInstituteofTechnology Areas of expertise: • Graphite oxidation and kinetics • Spent nuclear fuels reprocessing and repository disposition • Project and systems engineering • Degradation and thermal performance of epoxy- bearing nuclear materials • Corrosion, decay heat, mechanisms for water retention, drying and dry storage performance of spent fuel WilliamWindes Materials Scientist and Engineer Ph.D.,MaterialScienceandEngineering, UniversityofIdaho M.Sc.,NuclearEngineering,UniversityofIllinois B.Sc.,NuclearEngineering, UniversityofCaliforniaatSantaBarbara Areas of expertise: • Fabrication, testing, and analysis of materials for use within extreme environments including irradiated, high temperature, high strength, aerospace, and corrosive environments • Graphite materials (including nuclear graphite) and irradiation, material properties, fabrication, testing, and material properties • Ceramic, composite, and ceramic-composite materials including materials properties, testing, analysis, and fabrication • Advanced metallic-ceramic composite systems • Graded materials and dissimilar material properties: joining, fabrication, testing, and analysis • Solid oxide fuel cell development: intermetallic interconnects, materials properties, fabrication (including of enhanced cathode, anode, and electrolyte layers), testing, analyses, and commercial development • Advanced lightweight composite systems for armor concepts including advanced process technology for dissimilar material/hybrid systems (i.e., ceramic-metal systems), fiber reinforced high hardness ceramics, joining or bonding technology for enhanced blast, and penetration protection of lightweight systems • Advanced joining technologies • Corrosion and degradation of the fissile and structural materials • Planar high temperature electrolysis (HTE) cells • Space nuclear propulsion EQUIPMENT AND CAPABILITIES Metals Joining,Welding, Fabrication • IPGYtterbium Laser SystemYLS-4000 laser (4-kW light output continuous IR laser) • AutomatedTIG and MIG weld systems with computer control easily coupled with laser for hybrid operation • Willis CNC Mill configured for friction-stir welding, equipped with 4-axes dynamometer • AMITIG OrbitalWelder • Laserstar Nd-YAG pulsed laser welder; 2-mm beam width max; 80 J • RDO Spin caster; 1.25-inch x 3.5-inch crucible • Pressure over vacuum caster; 2.5-inch x 5-inch crucible Denis Clark Welding Engineer M.Sc.,WeldingEngineering,OhioStateUniversity B.Sc.,AgriculturalScience,CornellUniversity Areas of expertise: • Additive manufacturing • Welding metallurgy and processes: - Diffusion welding processes for nickel-based alloys for heat exchanger applications - Metallurgy and weldability of neutron absorber materials - Remote welding procedures and techniques - Advanced control systems - Advanced in-plant diagnostics and control of welding processes using self-contained diagnostic systems -Thickness and cooling rate sensing and control - Droplet transfer physics and mode detection in gas metal arc welding - Modified GMAW welding process for direct deposition of metal-matrix composites