Exploring metastable phase formation: Swift heavy ion effects on partially stabilized zirconia

Kirilkin N.S. Vershinina T.N. OConnell J.H. Rymzhanov R.A. Skuratov V.A. Boltueva V. Ghyngazov S.
15 December 2024 Elsevier B.V.

Journal of Nuclear Materials
2024 #602

Zirconium dioxide shows great potential for use in the nuclear power industry. It exhibits high radiation stability (neutron and heavy ions) and can withstand harsh environments. The paper presents a study on the effects of 710 MeV Bi ion irradiation on polycrystalline partially yttria-stabilized zirconia using the combination of experimental techniques - X-ray diffraction, transmission electron microscopy and Raman spectroscopy. It was revealed that bismuth ion induced tracks retain their crystalline structure and their density tends to saturate at ∼1 × 10¹² cm⁻². As a result of dense ionization stimulated structural modification a t → t phase transformation was observed. The radiation stability of t phase against swift heavy ion impact was found to be higher compared to the t phase. No amorphization was detected up to Bi ion fluence of 2 × 10¹³ cm⁻².

3Y-TZP , Crystal structure , Phase transformation , Radiation damage , Swift heavy ions , Yttria-stabilized zirconia

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Joint Institute for Nuclear Research, Joliot-Curie 6, Moscow Region, Dubna, 141980, Russian Federation
Nelson Mandela University, University Way, Summerstrand, Port Elizabeth, 6001, South Africa
Institute of Nuclear Physics, Ibragimov St. 1, Almaty, 050032, Kazakhstan
National Research Nuclear University MEPhI, Kashirskoye h., 31, Moscow, 115409, Russian Federation
Dubna State University, Universitetskaya 19, Moscow Region, Dubna, 141980, Russian Federation
National Research Tomsk Polytechnic University, 30 Lenin Av., Tomsk, 634050, Russian Federation

Joint Institute for Nuclear Research
Nelson Mandela University
Institute of Nuclear Physics
National Research Nuclear University MEPhI
Dubna State University
National Research Tomsk Polytechnic University

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