%0 journal article %@ 0022-3115 %A Bergner, F., Ulbricht, A., Hernandez-Mayoral, M., Pranzas, P.K. %D 2008 %J Journal of Nuclear Materials %N 1-2 %P 334-337 %R doi:10.1016/j.jnucmat.2007.07.008 %T Small-angle neutron scattering study of neutron-irradiated iron and an iron–nickel alloy %U https://doi.org/10.1016/j.jnucmat.2007.07.008 1-2 %X The nature of irradiation-induced features in Fe–3wt%Ni was investigated by means of small-angle neutron scattering and hardness measurements and compared with results for commercially pure Fe. We have observed a three times larger volume fraction of irradiation-induced scatterers for the Fe–Ni alloy than for pure Fe. A vacancy–Ni ratio of 0.4–0.5 was deduced for the average scatterer. This finding is consistent with the hardness increase observed.