Swift heavy ion induced phase transformations in partially stabilized ZrO2
Ghyngazov S.А. Boltueva V.А. OConnell J.H. Vershinina T.N. Kirilkin N.S. Rymzhanov R.A. Skuratov V.A. Surzhikov А.P.
March 2022Elsevier Ltd
Radiation Physics and Chemistry
2022#192
The paper reports on the effect of irradiation by swift heavy Xe ions on partially stabilized zirconia ceramics. XRD analysis identified two tetragonal phases with different degrees of tetragonality (transformable t phase and non-transformable metastable t” phase). TEM analysis of the irradiated samples showed that the efficiency of high-energy ion track formation decreases when the fluence and, hence, the fraction of t” phase increase. Changes in nanohardness, elastic modulus, and microhardness of partially stabilized ZrO2 ceramics before and after irradiation were investigated by nanoindentation and microindentation techniques. Mechanisms of ceramic layer hardening associated with phase rearrangement, compressive stress accumulation, and transformation and ferroelastic hardening are discussed.
Indentation , Partially stabilized zirconia , Swift heavy ions , Transmission electron microscopy , XRD analysis
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National Research Tomsk Polytechnic University, 30 Lenin Av., Tomsk, 634050, Russian Federation
Nelson Mandela University, University Way, Summerstrand, Port Elizabeth, 6001, South Africa
Joint Institute for Nuclear Research, Joliot-Curie 6, Dubna, Moscow Region, 141980, Russian Federation
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, Dubna, Moscow Region, 141980, Russian Federation
National Research Tomsk Polytechnic University
Nelson Mandela University
Joint Institute for Nuclear Research
Institute of Nuclear Physics
National Research Nuclear University MEPhI
Dubna State University
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