Effect of Kr15+ Ion Irradiation on the Structure and Properties of PSZ Ceramics


Abilev M. Zhilkashinova A. Łatka L. Pavlov A. Karpov I. Fedorov L. Gert S.
September 2025Multidisciplinary Digital Publishing Institute (MDPI)

Ceramics
2025#8Issue 3

This article deals with the effect of Kr15+ ion irradiation on the structure and properties of partially stabilized zirconium dioxide (ZrO2 + 3 mol. % Y2O3) ceramics. Ion irradiation is used to simulate radiation damage typical of operating conditions in nuclear reactors and space technology. It is shown that with an increase in the irradiation fluence, point defects are formed, dislocations accumulate, and the crystal lattice parameters change. At high fluences (>1013 ions/cm2), a phase transition of the monoclinic (m-ZrO2) phase to the tetragonal (t-ZrO2) and cubic (c-ZrO2) modifications is observed, which is accompanied by a decrease in the crystallite size and an increase in internal stresses. Changes in the mechanical properties of the material were also observed: at moderate irradiation fluences, strengthening is observed due to the formation of dislocation structures, whereas at high fluences (>1014 ions/cm2), a decrease in strength and a potential amorphization of the structure begins. The change in the phase composition was confirmed by X-ray phase analysis and Raman spectroscopy. The results obtained allow a deeper understanding of the mechanisms of radiation-induced phase transformations in stabilized ZrO2 and can be used in the development of ceramic materials with increased radiation resistance.

ion irradiation , radiation resistance of ceramics , radiation-induced phase transformation , structural defects , yttria-stabilized zirconia (ZrO2 + Y2O3)

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Department of Analytical, Colloid Chemistry and Technology of Rare Elements, Al-Farabi Kazakh National University, 71 Al-Farabi Avenue, Almaty, 050040, Kazakhstan
National Research Laboratory for Collective Use, Sarsen Amanzholov East Kazakhstan University, 34 Tridtsatoy Gvardeiskoy Divizii Street, Ust-Kamenogorsk, 070002, Kazakhstan
Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, 5 Lukasiewicza Street, Wroclaw, 50-371, Poland
UNESCO Chair New Materials and Technologies, Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, 660041, Russian Federation
Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, 50 Akademgorodok Str., Krasnoyarsk, 660036, Russian Federation
Center for Advanced Development Veritas, Daulet Serikbayev East Kazakhstan Technical University, 19 Serikbayev Str., Ust-Kamenogorsk, 070010, Kazakhstan

Department of Analytical
National Research Laboratory for Collective Use
Faculty of Mechanical Engineering
UNESCO Chair New Materials and Technologies
Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences
Center for Advanced Development Veritas

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