• Characterization and microstructure of porous lead zirconate titanate ceramics

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      https://www.ias.ac.in/article/fulltext/boms/028/05/0453-0455

    • Keywords

       

      Porous PZT; corona poling; ferroelectric properties.

    • Abstract

       

      Porous lead zirconate titanate (PZT) ceramics are widely used because of their low acoustic impedance, high figure of merit and high hydrostatic sensitivity. In the present work, porous PZT ceramics were fabricated by incorporating polyethylene oxide (PEO) as pore-forming agent. Both PZT powder and PEO were mixed with a binder at different ratios and compaction was carried out. The samples were slowly heated to remove the pore-forming agent and binder without cracks, followed by controlled sintering and electrode forming. Samples were poled using corona poling technique. The ferroelectric properties and microstructure of the prepared ceramics were characterized. The correlation of porosity with microstructure and ferroelectric properties were discussed.

    • Author Affiliations

       

      B Praveenkumar1 H H Kumar1 D K Kharat1

      1. PZT Centre, Armament Research and Development Establishment, Pune 411 021, India
    • Dates

       
  • Bulletin of Materials Science | News

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