Fig. 1. SRIM simulation results showing (a) Kr ion distribution and (b) dpa damage plotted against the TEM foil thickness.

Fig. 2. Bright field TEM images of the SiC-C@NFA composite with $g=(\bar{1}10)$ condition (zone axis =[113]) after in-situ ion irradiation at 300 °C at different dose levels: (a) 0 dpa, (b) 3 dpa, (c) 5 dpa, and (d) 10 dpa.

Fig. 3. Magnified TEM images of the 25 vol.% SiC-C@NFA sample with $g=(\bar{1}10)$ condition (zone axis =[113]) after in-situ ion irradiation at 450 °C using different dose levels: (a) 0 dpa, (b) 3 dpa, (c) 5 dpa, and (d) 10 dpa.

Fig. 4. (a) Kinematic bright field and (b) weak beam dark field TEM images with g=(002) condition near the [100] zone of the SiC-C@NFA composite after 10 dpa ion irradiation at 450 °C.

Fig. 5. Dislocation loop sizes in the α-ferrite matrix during the in-situ Kr ion irradiation.

Fig. 6. EDS mapping of the SiC-C@NFA composite after 10 dpa ion dose at 450 °C.

Fig. 7. (Ti,W)C precipitate size distribution in the SiC-C@NFA sample after irradiation at 450 °C with an ion dose of (a) 0 dpa, (b) 3 dpa, (c) 5 dpa, and (d) 10 dpa.

Fig. 8. Total number density and average size of (Ti,W)C precipitates with increasing dose level at 450 °C.

Fig. 9. TTT diagram of the (Ti,W)C phase in an α-BCC iron matrix.

Fig. 10. Bright field TEM images of (Fe,Cr)7C3 precipitate at (a) 0 dpa, (b) 10 dpa at 300 °C, and (c) 10 dpa at 450 °C.

Fig. 11. Bright field TEM images of SiC-C@NFA in (a) underfocus and (b) overfocus imaging with $g=(\bar{1}10)$ condition (zone axis =[113]) after irradiation at 450 °C up to 5 dpa.