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Microstructural defects in EUROFER 97 after different neutron irradiation conditions

Dethloff, Christian; Gaganidze, Ermile; Aktaa, Jarir

Abstract (englisch):
Characterization of irradiation induced microstructural evolution is essential for assessing the applicability of structural steels like the Reduced Activation Ferritic/Martensitic steel EUROFER 97 in upcoming fusion reactors. In this work Transmission Electron Microscopy (TEM) is used to determine the defect microstructure after different neutron irradiation conditions. In particular dislocation loops, voids and precipitates are analyzed concerning defect nature, density and size distribution after irradiation to 15 dpa at 300 °C in the mixed spectrum High Flux Reactor (HFR). New results are combined with previously obtained data from irradiation in the fast spectrum BOR-60 reactor (15 and 32 dpa, 330 °C), which allows for assessment of dose and dose rate effects on the aforementioned irradiation induced defects and microstructural characteristics.


Zugehörige Institution(en) am KIT Institut für Angewandte Materialien - Werkstoff- und Biomechanik (IAM-WBM)
Publikationstyp Zeitschriftenaufsatz
Jahr 2016
Sprache Englisch
Identifikator DOI: 10.1016/j.nme.2016.05.009
ISSN: 2352-1791
URN: urn:nbn:de:swb:90-563698
KITopen ID: 1000056369
HGF-Programm 31.40.03; LK 01
Erschienen in Nuclear materials and energy
Band 9
Seiten 471-475
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