PZT based piezoelectric ceramics with enhanced fracture toughness

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

doi:10.1016/s0167-2738(98)00028-9

PZT based piezoelectric ceramics with enhanced fracture toughness

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

Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

12 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 (K_IC = 2.8 MPa m^1/2) 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 language	English
Pages (from-to)	117-121
Number of pages	5
Journal	Solid State Ionics
Volume	108
Issue number	1-4
DOIs	https://doi.org/10.1016/s0167-2738(98)00028-9
Publication status	Published - 1998 May 1

Keywords

Bismuth layer compounds
PZT
Toughening

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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10.1016/s0167-2738(98)00028-9

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title = "PZT based piezoelectric ceramics with enhanced fracture toughness",

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.",

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author = "Yang, {Jing Si} and Chen, {Xiang Ming} and Tatstuhiko Aizawa and Makoto Kuwabara",

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T1 - PZT based piezoelectric ceramics with enhanced fracture toughness

AU - Yang, Jing Si

AU - Chen, Xiang Ming

AU - Aizawa, Tatstuhiko

AU - Kuwabara, Makoto

PY - 1998/5/1

Y1 - 1998/5/1

N2 - 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.

AB - 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.

KW - Bismuth layer compounds

KW - PZT

KW - Toughening

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JO - Solid State Ionics

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ER -

PZT based piezoelectric ceramics with enhanced fracture toughness

Abstract

Keywords

ASJC Scopus subject areas

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