Abstract
A complex study of Fe-Ni, Fe-Ni-Ti, and Fe-Ni-Al alloys irradiated by electrons with an energy of 5 MeV at a temperature of 423 K has been carried out. The relationship between radiation-induced strengthening, radiation-induced defects, and radiation-induced structural and phase transformations has been considered. In the Fe-Ni alloy, vacancy clusters play a leading role in radiation-induced strengthening; in the Fe-Ni-Ti and Fe-Ni-Al alloys, in addition to the vacancy clusters, the evolution of secondary-phase precipitates and the relief of solid-solution hardening are of great significance.
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