Swift heavy ion induced phase transformations in partially stabilized ZrO2

被引：12

作者：

Vershinina, T. N. ^{[3
]}

Kirilkin, N. S. ^{[3
]}

Skuratov, V. A. ^{[3
,5
,6
]}

Surzhikov, A. P. ^{[1
]}

Ghyngazov, S. A. ^{[1
]}

Boltueva, V. A. ^{[1
]}

O'Connell, J. H. ^{[2
]}

Rymzhanov, R. A. ^{[3
,4
]}

机构：

[1] Natl Res Tomsk Polytech Univ, 30 Lenin Ave, Tomsk 634050, Russia

[2] Nelson Mandela Univ, Univ Way, ZA-6001 Port Elizabeth, South Africa

[3] Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Moscow, Russia

[4] Inst Nucl Phys, Ibragimov St 1, Alma Ata 050032, Kazakhstan

[5] Natl Res Nucl Univ MEPhI, Kashirskoye h 31, Moscow 115409, Russia

[6] Dubna State Univ, Univ Skaya 19, Dubna 141980, Moscow, Russia

来源：

RADIATION PHYSICS AND CHEMISTRY | 2022年 / 192卷

关键词：

Partially stabilized zirconia; Swift heavy ions; Transmission electron microscopy; XRD analysis; Indentation; MECHANICAL-PROPERTIES; ZIRCONIA CERAMICS; YTTRIA; INDENTATION; FABRICATION; CATALYSTS; BEHAVIOR; HARDNESS; TRACKS; STATE;

D O I：

10.1016/j.radphyschem.2021.109917

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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 highenergy 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.

引用

页数：8

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