Modification of material properties 360 Mass Transfer at Impulse Exposure to Beam of Charged Particles

Abstracts – This article regards the processes of elements mass transfer in the surface layers of al-loys at impulse electron irradiation. The work con-tains experimental data on elements redistribution in the surface layers. It is also proposed a model of mass transfer in alloys at electron irradiation. The model describes admixture redistribution within the field of thermoelastic wave, and in the field of temperature gradients and point defects concentra-tion. It was conducted calculations of concentration profiles and it was also estimated the effect of dif-ferent mechanisms on elements redistribution. Elements Redistribution at Exposure to Bunch of Electrons of Microsecond Duration (Experiment) It was performed an investigation of elements redistri-bution in metallic systems after exposure to heavy-current electron bunch with energy 500 keV, current density 1 kA/cm2, impulse duration 2.5 µs.