Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 730, Issue -, Pages 363-366Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2018.06.029
Keywords
Baddeleyite; Zirconia ceramics; Spherification; Phase composition; Mechanical properties
Categories
Funding
- Ministry of Education and Science of the Russian Federation [16.2100.2017/Pi4]
- Russian Science Foundation [16-19-10405]
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The spherification method was adapted to baddeleyite-based ceramics fabrication. Novel calcia stabilized tetragonal zirconia (Ca-TZP) ceramics with sufficiently high values of hardness (11.73 +/- 0.12 GPa), fracture toughness (9.15 +/- 0.24 MPa m(0.5)) and Young's modulus (217 +/- 14 GPa) was produced. Dependences of the material microstructure, its phase composition and mechanical properties on sintering temperature and the doping agent concentration were investigated. Fabricated spherical Ca-TZP ceramics made from baddeleyite may be considered as perspective engineering ceramics, for example, for milling processes as an alternative to grinding media made of chemically precipitated zirconia.
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