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

doi:10.1016/0022-3115(92)90674-A

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

Division of Nuclear Fusion Dynamics

Research output: Contribution to journal › Article

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 language	English
Pages (from-to)	1248-1253
Number of pages	6
Journal	Journal of Nuclear Materials
Volume	191-194
Issue number	PART B
DOIs	https://doi.org/10.1016/0022-3115(92)90674-A
Publication status	Published - Sep 1992

All Science Journal Classification (ASJC) codes

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

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10.1016/0022-3115(92)90674-A

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

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.",

author = "T. Muroga and K. Dohi and Y. Ishihama and K. Tokunaga and N. Yoshida",

year = "1992",

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T1 - Cavity formation and growth during pulse high heat loading in nickel implanted with helium or deuterium ions

AU - Muroga, T.

AU - Dohi, K.

AU - Ishihama, Y.

AU - Tokunaga, K.

AU - Yoshida, N.

PY - 1992/9

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AB - 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.

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