[G] Nuclear Materials

[181] Element and Microstructure Analysis of the Molten Corium-Concrete Products for Estimating Fukushima Daiichi Nuclear Power Plant Condition

*Pengfei LIU¹, Yufeng DU¹, Kenta YOSHIDA¹, Toru KITAGAKI², Atsushi IKEDA-OHNO², Yusuke SHIMADA¹, Yasuyoshi Nagai¹ (1. IMR Tohoku Univ.、2. CLADS JAEA)

Keywords:MCCI、Fukushima 1F、fuel debris、ZrSiO₄、TEM/EDS

The simulated MCCI product consists of ZrSiO₄ including ZrO₂, SiO₂ glass matrix and Fe-Cr-Ni phases.The iron in Fe-Cr-Ni has α-Fe BCC lattice. The crystal ZrSiO₄ is confirmed by XRD.