Isotope effect in heat of transport of H, D and T in Nb

Masayasu Sugisaki, Satoru Mukai, Kazuya Idemitsu, Hirotaka Furuya

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15 Citations (Scopus)

Abstract

The thermal diffusion of hydrogen isotopes, H and D, in Nb was studied at an average temperature of 168°C. By analyzing the redistribution of hydrogen in Nb on the basis of the irreversible thermodynamics, the heat of transport Q* was determined for H and D as 9.5 kJ/mol and 16.0 kJ/mol, respectively. The large isotope dependence of Q* was concluded by comparing these values with the value of 18.8 kJ/mol for T, which was previously reported by the present authors. The diffusion coefficients of H and D were also determined from the transient process of redistribution and found to be in good agreement with those based on the Gorsky effect.

Original languageEnglish
Pages (from-to)91-94
Number of pages4
JournalJournal of Nuclear Materials
Volume115
Issue number1
DOIs
Publication statusPublished - Mar 1983

All Science Journal Classification (ASJC) codes

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

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