Kinetics of tritium release from thermal neutron-irradiated li 0.17Pb0.83

Makoto Kobayashi, Akiko Hamada, Katsushi Matsuoka, Masato Suzuki, Junya Osuo, Yuki Edao, Satoshi Fukada, Toshihiko Yamanishi, Yasuhisa Oya, Kenji Okuno

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Tritium release behavior for thermal neutronirradiated Li 017Pb0.83 eutectic alloy was studied. Main tritium release peak was observed in the temperature just a little higher than melting point in a thermal desorption spectrometry (TDS) experiment. Most of tritium release from Li0.17Pb0.83 eutectic alloy was found to be governed by diffusion process from the results of isothermal annealing experiments. Tritium diffusivity in a liquid state of Li0.17Pb0.83 eutectic alloy was evaluated to be D =4.7×IO-8exp(-0.13 eV/kT)m2s1-11. Tritium diffusivity was increased by the phase transition of Li017Pb0.83eutectic alloy from a solid state to a liquid state, resulting in the sharp tritium release peak that appeared in TDS spectrum. In addition, about 4% of tritium was trapped in Li017Pb083 eutectic alloy as Li-T bond.

Original languageEnglish
Pages (from-to)56-60
Number of pages5
JournalFusion Science and Technology
Volume62
Issue number1
DOIs
Publication statusPublished - Jan 1 2012

Fingerprint

Tritium
tritium
thermal neutrons
Neutrons
eutectic alloys
Kinetics
kinetics
Eutectics
Thermal desorption
Spectrometry
diffusivity
desorption
Isothermal annealing
Liquids
liquids
Hot Temperature
spectroscopy
melting points
Melting point
Phase transitions

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Kobayashi, M., Hamada, A., Matsuoka, K., Suzuki, M., Osuo, J., Edao, Y., ... Okuno, K. (2012). Kinetics of tritium release from thermal neutron-irradiated li 0.17Pb0.83 Fusion Science and Technology, 62(1), 56-60. https://doi.org/10.13182/FST12-A14112

Kinetics of tritium release from thermal neutron-irradiated li 0.17Pb0.83 . / Kobayashi, Makoto; Hamada, Akiko; Matsuoka, Katsushi; Suzuki, Masato; Osuo, Junya; Edao, Yuki; Fukada, Satoshi; Yamanishi, Toshihiko; Oya, Yasuhisa; Okuno, Kenji.

In: Fusion Science and Technology, Vol. 62, No. 1, 01.01.2012, p. 56-60.

Research output: Contribution to journalArticle

Kobayashi, M, Hamada, A, Matsuoka, K, Suzuki, M, Osuo, J, Edao, Y, Fukada, S, Yamanishi, T, Oya, Y & Okuno, K 2012, 'Kinetics of tritium release from thermal neutron-irradiated li 0.17Pb0.83 ', Fusion Science and Technology, vol. 62, no. 1, pp. 56-60. https://doi.org/10.13182/FST12-A14112
Kobayashi, Makoto ; Hamada, Akiko ; Matsuoka, Katsushi ; Suzuki, Masato ; Osuo, Junya ; Edao, Yuki ; Fukada, Satoshi ; Yamanishi, Toshihiko ; Oya, Yasuhisa ; Okuno, Kenji. / Kinetics of tritium release from thermal neutron-irradiated li 0.17Pb0.83 In: Fusion Science and Technology. 2012 ; Vol. 62, No. 1. pp. 56-60.
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