Journal of Materials Science

, Volume 28, Issue 19, pp 5179–5183 | Cite as

Anomalous dilatation-temperature curves of PZT-ZrO2 composites

  • B. Malič
  • M. Kosec
  • T. Kosmač


The dilatation-temperature curves of the PZT-ZrO2 composites, containing 1.3–13.2 vol% ZrO2 were studied. The course of martensitic transformation (MT) of dispersed ZrO2 particles in the PZT matrix was followed. Upon cooling, a spontaneous microcrack formation occurred during the MT from tetragonal to monoclinic crystal phase of ZrO2. The phenomenon of intensive shrinkage above 800 °C upon heating is explained as a process of microcrack healing in the presence of the PbO-rich liquid phase.


Polymer Shrinkage Liquid Phase Martensitic Transformation Crystal Phase 
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Copyright information

© Chapman & Hall 1993

Authors and Affiliations

  • B. Malič
    • 1
  • M. Kosec
    • 1
  • T. Kosmač
    • 1
  1. 1.Jozef Stefan InstituteLjubljanaSlovenia

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