The influence of carbon on the resistivity recovery of proton irradiated Fe-11Â at.% Cr alloys

The effect of carbon on the point defect migration properties in Fe-Cr alloys with a concentration of 11 at.% Cr is studied by means of resistivity recovery measurements after low temperature proton irradiation. The presence of carbon mainly affects features of the resistivity recovery spectra in the temperature ranges of (a) 150-200 K, which are linked to self-interstitial defects, and (b) 400-500 K, which are probably due to vacancy and vacancy-carbon complexes. The experimental results are discussed in terms of the possible interactions of carbon with radiation defects and its influence on solute atom re-ordering.