Takaaki Koyanagi Senior R&D Staff Contact koyanagit@ornl.gov | 865.341.1927 All Publications Response of 11B enriched ZrB2 ultra-high temperature ceramic to neutron irradiation at elevated temperatures Mechanical degradation of duplex SiC-fiber reinforced SiC matrix composite tubes under a controlled high-temperature steam environment Experimental investigation of probabilistic failure of SiC/SiC composite tubes under multiaxial loading Phase separation during the direct powder bed fusion of SiC Hermeticity of SiC/SiC composite and monolithic SiC tubes irradiated under radial high-heat flux... Corrosion characteristics of monolithic SiC materials in beryllium-bearing molten fluoride salt Heterogeneous microstructure of yttrium hydride and its relation to mechanical properties... Stress rupture of SiC/SiC composite tubes under high-temperature steam... Surface chemistry of neutron irradiated tungsten in a high-temperature multi-material environment☆ Mechanistic modeling of lifetime distribution of SiC/SiC composite claddings Failure evaluation of neutron-irradiated SiC/SiC composites by underwater acoustic emission... Anisotropic thermal diffusivity and conductivity in SiC/SiC tubes studied by infrared imaging and X-ray computed tomography... Issue report summarizing non-destructive characterization and performance of SiC/SiC tubes Irradiation-induced chemical disordering in ceramics: The case of SiC... Neutron irradiation-enhanced grain growth in tungsten and tungsten alloys... Qualitative and quantitative analysis of neutron irradiation effects in SiC/SiC composites using X-ray computed tomography... Mechanisms of stored energy release in silicon carbide materials neutron-irradiated at elevated temperatures... Thermal diffusivity and thermal conductivity of SiC composite tubes: the effects of microstructure and irradiation... Irradiation Testing of Silicon Carbide Joint Specimens in the High Flux Isotope Reactor... Effects of sample bias on adhesion of magnetron sputtered Cr coatings on SiC... Fiber/matrix debonding evaluation of SiCf/SiC composites using micropillar compression technique Atomic and microstructural origins of stored energy release in neutron-irradiated silicon carbide... HFIR SiC-SiC Composite Clad Tube Bowing Test: Pre-Irradiation Characterization... Kinetics of Hydrogen Desorption from Yttrium Hydride: The Development of Material Characterization Methods In Situ Nano-Indentation Techniques for Post-Irradiation Examinations... Pagination Current page 1 Page 2 Page 3 … Next page ›› Last page Last » Key Links Curriculum Vitae Google Scholar ORCID Organizations Physical Sciences Directorate Materials Science and Technology Division Materials in Extremes Section Radiation Effects and Microstructural Analysis Group