Abstract
During irradiation of thin foils of an austenitic stainless steel in a high voltage
electron microscope, steadily growing voids have been observed to suddenly shrink and disappear at the irradiation temperature of 650 C; the phenomenon has been observed in specimens both with and without inplanted helium. Possible mechanisms for void shrinkage during irradiation are considered. It is suggested that the dislocation-pipe-diffusion of vacancies from or of self-interstitial atoms to the voids can explain the shrinkage behaviour of voids observed during our experiments.
electron microscope, steadily growing voids have been observed to suddenly shrink and disappear at the irradiation temperature of 650 C; the phenomenon has been observed in specimens both with and without inplanted helium. Possible mechanisms for void shrinkage during irradiation are considered. It is suggested that the dislocation-pipe-diffusion of vacancies from or of self-interstitial atoms to the voids can explain the shrinkage behaviour of voids observed during our experiments.
| Original language | English |
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| Place of Publication | Roskilde, Denmark |
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| Publisher | Risø National Laboratory |
| Number of pages | 23 |
| Publication status | Published - 1976 |
| Series | Risø-M |
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| Number | 1845 |
| ISSN | 0418-6435 |
Keywords
- Risø-M-1845
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