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[2F11] Development of ultramicro analysis technology for fuel debris analysis
(23) Mössbauer and XRD analyses of simulated fuel debris (II)
Keywords:simulated debris, Mössbauer spectroscopy, X-ray diffraction (XRD)
In the debris of the melted down Fukushima Daiichi Nuclear Power Plant, a considerable amount of stainless steel of the pressure vessel and zirconium alloy of the fuel cladding tube could be dissolved in addition to the nuclear fuel. Mössbauer spectroscopy, powder X-ray diffraction, and SEM were applied to the simulated debris prepared in an oxidizing atmosphere to clarify the existence form of the fuel matrix and Iron.
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