Radiation-induced precipitation with concurrent bubbles formation in an austenitic stainless steel (AISI-348)

Matheus A. Tunes, Cláudio G. Schön, Graeme Greaves

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2 Citations (Scopus)

Abstract

Radiation-induced precipitation has been examined in an Nb-stabilised austenitic stainless steel (AISI-348) during heavy ion irradiation in situ within a transmission electron microscope (TEM) at 1073 K. Selected-area electron diffraction (SAED), bright- and dark-field TEM were used to investigate the nature of the precipitates within the austenite phase (γ-Fe). The crystal structure of the precipitates was investigated using TEM and matched with reference data for the Cr23C6 phase. The results herein reported indicate that the concurrent formation of inert gas bubbles may accelerate clustering and precipitation kinetics in the austenite phase during irradiation.
Original languageEnglish
Article number100408
Number of pages5
JournalMaterialia
Volume7
Early online date17 Jul 2019
DOIs
Publication statusPublished - Sep 2019

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