Volumetric change of simulated radioactive waste glasses irradiated by the 10B(n, α)7Li Reaction as simulation of actinide irradiation

Seichi Sato, Hirotaka Furuya, Tetsuo Kozaka, Yaohiro Inagaki, Tadaharu Tamai

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The density change of simulated radioactive waste glasses irradiated by the10B(n,α)7Li reaction was determined by a sink-float method as a function of irradiation exposure. Simulated waste glasses P0500, P0798 and GP98/12 swelled, while P0504 shrinked. The magnitude of the density change was less than 0.6% up to a fluence of 6.6 × 1025 reactions/m3, which corresponds to the cumulative irradiation during a few tens of thousand years after disposal of the waste glass from the spent fuel irradiated up to 33000 MWD/MTU. The processes which play an important role on the density change have not been clarified, but it is likely that one of the processes is helium bubble formation which was clarified by a carbon replica technique, in association with transmission electron microscopy.

Original languageEnglish
Pages (from-to)265-269
Number of pages5
JournalJournal of Nuclear Materials
Volume152
Issue number2-3
DOIs
Publication statusPublished - Jan 1 1988

Fingerprint

Actinoid Series Elements
Radioactive Waste
Actinides
radioactive wastes
Radioactive wastes
Irradiation
Glass
irradiation
glass
Bubble formation
spent fuels
Helium
floats
simulation
Spent fuels
disposal
sinks
replicas
Waste disposal
fluence

All Science Journal Classification (ASJC) codes

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

Cite this

Volumetric change of simulated radioactive waste glasses irradiated by the 10B(n, α)7Li Reaction as simulation of actinide irradiation. / Sato, Seichi; Furuya, Hirotaka; Kozaka, Tetsuo; Inagaki, Yaohiro; Tamai, Tadaharu.

In: Journal of Nuclear Materials, Vol. 152, No. 2-3, 01.01.1988, p. 265-269.

Research output: Contribution to journalArticle

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