Fig.6-8 Microstructure of the center region of the CeO2-YSZ kernel (scanning transmission electron microscopic bright-field image)
There are hardly spaces between crystal grains. If the crystal grains are not densely distributed, the fuel kernel may not contain enough Pu.
(reprinted from Aihara, J. et al., Influences of the ZrC Coating Process and Heat Treatment on ZrC-coated Kernels used as Fuel in Pu-burner High Temperature Gas-cooled Reactor in Japan, Journal of Nuclear Science and Technology, Vol.58, 2021, p.107-116. Published online: 23 Aug 2020, Taylor & Francis Ltd, by permission of Taylor & Francis Ltd, http://www.tandfonline.com)
(reprinted from Aihara, J. et al., Influences of the ZrC Coating Process and Heat Treatment on ZrC-coated Kernels used as Fuel in Pu-burner High Temperature Gas-cooled Reactor in Japan, Journal of Nuclear Science and Technology, Vol.58, 2021, p.107-116. Published online: 23 Aug 2020, Taylor & Francis Ltd, by permission of Taylor & Francis Ltd, http://www.tandfonline.com)
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