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Microstructure evolution and reaction mechanism of Pb(Zr1/2Ti1/2)O3-Pb(Zn1/3Nb2/3)O3–Pb(Ni1/3Nb2/3)O3 piezoelectric ceramics with plate-like PbTiO3 template

  • Leilei Li
  • , Junting Liu
  • , Shuyao Cao
  • , Jie Xu
  • , Changying Wu
  • , Emilia Pawlikowska
  • , Mikołaj Szafran
  • , Feng Gao
  • Northwestern Polytechnical University Xian
  • Warsaw University of Technology

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

0.83 Pb(Zr1/2Ti1/2)O3-0.11Pb(Zn1/3Nb2/3)O3-0.06Pb(Ni1/3Nb2/3)O3 (PZNNT) samples with plate-like PbTiO3 (PT) template were prepared using tape casting technology. The microstructure evolution and reaction mechanism between the matrix and PT template was investigated systematically. The quench heat treatment experiment was designed and the microstructure was evaluated. The results showed that the plate-like PT template has relatively low thermal stability which would decompose to form Pb-rich liquid phase and Ti-rich region at the sintering temperature of 900 °C–1050 °C. Plate-like PT template reacted with the PZNNT matrix materials during the sintering process, which did not contribute to the grain growth orientation for PZNNT matrix. Finally, the mechanism of grain growth for the PZNNT ceramics with plate-like PT template is clarified. This work demonstrated that the thermal stability of plate-like template is one of the key factors for fabricating textured piezoelectric ceramics.

Original languageEnglish
Pages (from-to)470-478
Number of pages9
JournalCeramics International
Volume47
Issue number1
DOIs
StatePublished - 1 Jan 2021

Keywords

  • Microstructure evolution
  • PbTiO template
  • PZNNT matrix Materials
  • Texture ceramics

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