Void shrinkage in stainless steel during high energy electron irradiation

B.N. Singh; A.J.E. Foreman

Void shrinkage in stainless steel during high energy electron irradiation

B.N. Singh, A.J.E. Foreman

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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.

Original language	English

Place of Publication	Roskilde, Denmark
Publisher	Risø National Laboratory
Number of pages	23
Publication status	Published - 1976

Series	Risø-M
Number	1845
ISSN	0418-6435

Keywords

Risø-M-1845

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Ris m 1845Final published version, 513 KB

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abstract = "During irradiation of thin foils of an austenitic stainless steel in a high voltageelectron 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. ",

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AU - Singh, B.N.

AU - Foreman, A.J.E.

PY - 1976

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N2 - During irradiation of thin foils of an austenitic stainless steel in a high voltageelectron 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.

AB - During irradiation of thin foils of an austenitic stainless steel in a high voltageelectron 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.

KW - Risø-M-1845

M3 - Report

T3 - Risø-M

BT - Void shrinkage in stainless steel during high energy electron irradiation

PB - Risø National Laboratory

CY - Roskilde, Denmark

ER -