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... Irradiation-induced chemical disordering in ceramics: The case of SiC... Issue report summarizing non-destructive characterization and performance of SiC/SiC tubes 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... Effects of sample bias on adhesion of magnetron sputtered Cr coatings on SiC... 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... Fiber/matrix debonding evaluation of SiCf/SiC composites using micropillar compression technique HFIR SiC-SiC Composite Clad Tube Bowing Test: Pre-Irradiation Characterization... Atomic and microstructural origins of stored energy release in neutron-irradiated silicon carbide... 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