NSUF 24-5020: Elemental effects on radiation damage in tempered martensitic steels neutron irradiated to high doses at fast reactor relevant temperatures

Embrittlement of tempered martensitic (TM) steels is a key issue for their use in several advanced reactor concepts. PNNL has access to multiple TM steels irradiated in FFTF from 370-500°C with variations in C, Si, Mn, Ni, V, Cr, Mo, and N which all affect microstructure during irradiation. We will analyze mechanical properties and microstructure of selected TM steels to quantify the effects of elemental variations on radiation-induced precipitate formation and mechanical properties.

Additional Info

Field Value
Award Announced Date 2024-04-16T15:36:54.5
Awarded Institution Pacific Northwest National Laboratory
Facility Tech Lead Alex Long, Peter Hosemann, Yaqiao Wu
Irradiation Facility
PI Mychailo Toloczko
PI Email [email protected]
Project Type CINR
RTE Number None