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Electric-field-induced phase-change ceramics offer large strain actuation in sonar applications, allowing for the design of more efficient, accurate and compact sonar systems.

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Competitive advantage

  • Conventional piezoelectric ceramics for sonar applications operate by microstructural mechanisms, limiting their strain magnitudes
  • Structural knowledge of phase change processes in an electric field opens the possibility of achieving larger strains
  • Performance metrics of these materials can be superior for specific sonar applications
  • Fabrication costs are in-line with conventional functional ceramic processing


  • More efficient, accurate and compact sonar systems

Capabilities and facilities

  • Ceramic fabrication facilities for small batch testing. Aqueous and nonaqueous processing
  • Range of milling equipment from regular ball milling to high-energy planetary milling
  • Furnace facilities for sintering under various atmospheres
  • Electro-mechanical characterisation equipment for measurement of local and bulk properties
  • In situ structural characterisation capabilities for observing grain-scale response of electro-ceramics during actuation