The study deals with processes of capture, accumulation and gas evolution of ion-introduced deuterium by FR-materials. The work is aimed at determining quantitative characteristics of capture and reemission of ion-introduced deuterium in the energy range of ions typical for FR; comparison estimate of applicability of austenitic and ferritic steels relative to hydrogen recycling in thermonuclear plants. A simple model to describe introduction of low-energy ions with regard to the reflection coefficient and the formula relating the recycling parameter, reflection coefficient, fluence and amount of captured particles are proposed. Angular and energy dependences of the coefficients of capture and reflection in the energy range of 10-30 eV/deuton for tungsten and steel are first measured experimentally. Non-monotonous dependence of the coefficient of capture and reflection on particle energy is determined experimentally for a tangent angle of incidenceAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio
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