STUDY OF THE EFFECT OF THE COMPONENT RATIO VARIATION  IN TWO-PHASE CERAMICS ON THE RESISTANCE  TO HIGH-DOSE PROTON IRRADIATION SIMULATING  THE EFFECTS OF HYDROGEN SWELLING

A.L. Kozlovskiy; I.E. Kenzhina; A. Tolenova; S. Askerbekov

doi:10.31489/2025N1/5-18

Authors

DOI:

https://doi.org/10.31489/2025N1/5-18

Keywords:

hydrogen swelling, breeders, two-phase ceramics, high-dose irradiation, lithium meta zirconate, lithium orthosilicate

Abstract

The paper presents the evaluation results of the destruction processes of the strength and thermal parameters two-phase lithium-containing ceramics subjected to high-dose irradiation with protons, the impact of which simulates the processes of hydrogen swelling. Interest in this research topic is primarily due to the possibilities of determining the influence of variation in the ratio of two components of lithium meta zirconate and lithium orthosilicate on maintaining stability and resistance to radiation damage, and diffusion processes associated with post-radiation isothermal annealing of samples, typical for simulation of desorption processes. During the conducted studies of the effect of the component ratio variation in two-phase ceramics on resistance to radiation-induced softening processes and reduction in crack resistance, it was determined that, unlike single-component ceramics, the combination of two phases in the composition leads not only to an elevation in the initial strength parameters, but also to a softening resistance growth due to the presence of interphase boundaries. In the case of testing the studied ceramics to thermal impact processes (thermal resistance tests), it was found that in the case of two-phase ceramics, a rise in the stability of maintaining strength properties to long-term temperature changes is observed.

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STUDY OF THE EFFECT OF THE COMPONENT RATIO VARIATION IN TWO-PHASE CERAMICS ON THE RESISTANCE TO HIGH-DOSE PROTON IRRADIATION SIMULATING THE EFFECTS OF HYDROGEN SWELLING