Void shrinkage in stainless steel during high energy electron irradiation

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

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    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 languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages23
    Publication statusPublished - 1976


    • Risø-M-1845


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