Abstract
Eurofer97 has been irradiated in material test reactors in Mol, Belgium and Petten, The Netherlands at a temperature of 300 °C from 0.2 to 10 dpa. Tensile tests show a continuous logarithmic hardening trend for this dose range of 280 MPa per decade dpa. Impact tests on miniature Charpy-type specimens prove the superiority of Eurofer97 over F82H-mod. when DBTT shift is considered. DBTT shift in degree centigrade is about one fourth the hardening in MPa for the former. The upper shelf energy drops 0.3 J per dpa. Eurofer97 25 mm plate shows worse impact properties than the other product forms of Eurofer97.
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