PZT based piezoelectric ceramics with enhanced fracture toughness

Jing Si Yang, Xiang Ming Chen, Tatstuhiko Aizawa, Makoto Kuwabara

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

The microstructures and phase constitution of Bi4Ti3O12 toughened PZT ceramics were characterized together with the fracture toughness and piezoelectric properties. By the present approach, the fracture toughness of PZT ceramics was significantly enhanced (KIC = 2.8 MPa m1/2) without dramatic degradation of the piezoelectric performance. The discussion on phase equilibrium concluded that some more stable bismuth layer compounds such as PbBi4Ti4O15 should be adopted as a secondary phase to toughen PZT piezoelectric ceramics, and then the subsequent negative effects on piezoelectric performance might be suppressed.

Original languageEnglish
Pages (from-to)117-121
Number of pages5
JournalSolid State Ionics
Volume108
Issue number1-4
Publication statusPublished - 1998 May 1
Externally publishedYes

Fingerprint

Piezoelectric ceramics
piezoelectric ceramics
fracture strength
Fracture toughness
ceramics
Bismuth
constitution
Phase equilibria
bismuth
degradation
Degradation
microstructure
Microstructure

Keywords

  • Bismuth layer compounds
  • PZT
  • Toughening

ASJC Scopus subject areas

  • Electrochemistry
  • Physical and Theoretical Chemistry
  • Energy Engineering and Power Technology
  • Materials Chemistry
  • Condensed Matter Physics

Cite this

Yang, J. S., Chen, X. M., Aizawa, T., & Kuwabara, M. (1998). PZT based piezoelectric ceramics with enhanced fracture toughness. Solid State Ionics, 108(1-4), 117-121.

PZT based piezoelectric ceramics with enhanced fracture toughness. / Yang, Jing Si; Chen, Xiang Ming; Aizawa, Tatstuhiko; Kuwabara, Makoto.

In: Solid State Ionics, Vol. 108, No. 1-4, 01.05.1998, p. 117-121.

Research output: Contribution to journalArticle

Yang, JS, Chen, XM, Aizawa, T & Kuwabara, M 1998, 'PZT based piezoelectric ceramics with enhanced fracture toughness', Solid State Ionics, vol. 108, no. 1-4, pp. 117-121.
Yang JS, Chen XM, Aizawa T, Kuwabara M. PZT based piezoelectric ceramics with enhanced fracture toughness. Solid State Ionics. 1998 May 1;108(1-4):117-121.
Yang, Jing Si ; Chen, Xiang Ming ; Aizawa, Tatstuhiko ; Kuwabara, Makoto. / PZT based piezoelectric ceramics with enhanced fracture toughness. In: Solid State Ionics. 1998 ; Vol. 108, No. 1-4. pp. 117-121.
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