Effect of excess PbO on microstructure and electrical properties of PLZT7/60/40 ceramics derived from a high-energy ball milling process

L. B. Kong, J. Ma, Haitao Huang, R. F. Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

23 Citations (Scopus)

Abstract

A high-energy ball milling process has been used to prepare lead lanthanum zirconate titanate (PLZT7/60/40) powders with different excess PbO levels. The microstructure development and the electrical properties of the PLZT ceramics derived from the synthesized powders were investigated. The present results demonstrate that an excess PbO exhibits a negative influence on the electrical properties of the PLZT ceramics, even though it promoted the densification of the PLZT ceramics at low temperature. Fully dense PLZT ceramics with a piezoelectric coefficient (d33) of 702 pC/N were achieved by sintering the powders without excess PbO at 1150°C for 1 h. It can be concluded that excess PbO is not necessary for lead-containing ceramics produced by a high-energy ball milling process.
Original languageEnglish
Pages (from-to)238-245
Number of pages8
JournalJournal of Alloys and Compounds
Volume345
Issue number1-2
DOIs
Publication statusPublished - 28 Oct 2002
Externally publishedYes

Keywords

  • Dielectric response
  • Mechanical alloying
  • Microstructure
  • Transition metal compounds
  • X-ray diffraction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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