Diffusion of Fission Products in Ceramic Fuels

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概要

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• Diffusion of xenon captured in graphite by fission recoil has been studied over the wide range of fission product concentration in graphite. The release of xenon from graphite could not be interpreted by a simple diffusion model, but was controlled by fission-fragment-induced defects where fission xenon was trapped. The chemical state of fission iodine released from ceramic materials has also been investigated by using thermochromatograph. It became clear that fission iodine diffused out of ceramic materials was not elementary iodine, but was iodide of fissile material.

著者

• SHIBA Koreyuki

  Japan Atomic Energy Research Institute

• HANDA Muneo

  Japan Atomic Energy Research Institute

関連論文

• RADIAL DISPERSION OF A SOLUTE IN THE BED PACKED WITH ION-EXCHANGE RESINS
• Diffusion of Fission Products in Ceramic Fuels
• The Behavior of Fission Products Captured in Graphite Powder by Nuclear Recoil. V. Effect of Fission Fragment Damage on the Diffusion of the Fission Product Xenon
• Measurement of occluded gases released from uranium-plutonium mixed carbide and uranium carbide fuels.

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