Cavity formation and growth during pulse high heat loading in nickel implanted with helium or deuterium ions

T. Muroga, K. Dohi, Y. Ishihama, K. Tokunaga, N. Yoshida

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Pulse and steady-state heating effects on the microstructure of nickel implanted with helium or deuterium ions have been investigated, in order to examine the combined effects of particle bombardment and heat loading on the plasma-facing components of fusion reactors. Large dimensional changes of the plasma-facing surfaces due to bubble growth is expected when they are implanted with helium or hydrogen isotopes and then pulse heated. Grain boundary degradation may be small, however, for the case of pulsed heating because of the small accumulation of bubbles at the grain boundaries.

Original languageEnglish
Pages (from-to)1248-1253
Number of pages6
JournalJournal of Nuclear Materials
Volume191-194
Issue numberPART B
DOIs
Publication statusPublished - Sep 1992

Fingerprint

Facings
Helium
helium ions
Deuterium
Nickel
deuterium
Grain boundaries
bubbles
grain boundaries
nickel
Ions
Plasmas
Heating
heat
cavities
helium isotopes
heating
hydrogen isotopes
fusion reactors
Fusion reactors

All Science Journal Classification (ASJC) codes

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

Cite this

Cavity formation and growth during pulse high heat loading in nickel implanted with helium or deuterium ions. / Muroga, T.; Dohi, K.; Ishihama, Y.; Tokunaga, K.; Yoshida, N.

In: Journal of Nuclear Materials, Vol. 191-194, No. PART B, 09.1992, p. 1248-1253.

Research output: Contribution to journalArticle

Muroga, T. ; Dohi, K. ; Ishihama, Y. ; Tokunaga, K. ; Yoshida, N. / Cavity formation and growth during pulse high heat loading in nickel implanted with helium or deuterium ions. In: Journal of Nuclear Materials. 1992 ; Vol. 191-194, No. PART B. pp. 1248-1253.
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