Processing of advanced electroceramic components by fused deposition technique

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Abstract

Fused Deposition of Ceramics (FDC), a Solid Freefrom Fabrication (SFF) process, has been developed at Rutgers University for rapid prototyping of electromechanical components via hot extrusion of ceramic-loaded polymer filaments. Several FDC filaments including lead zirconate titanate, lead magnesium niobate (PMN), and silver palladium electrode have been developed and used successfully in the fabrication of a wide range of piezoelectric transducers with novel designs. It has been shown that the ability of a filament to work in FDC without failing (buckling) depends on the ratio of filament compressive modulus and viscosity at working temperature. A new fused deposition technique with the capability of depositing up to four different materials has opened new horizons to rapid fabrication of multi-material transducers in a single deposition step. Processing property relations and electromechanical properties of several novel single and multi-material transducers including 2-2 composites, tube arrays, and spiral actuators, processed by FDC techniques will be discussed.

Original languageEnglish (US)
Pages (from-to)45-54
Number of pages10
JournalFerroelectrics
Volume263
Issue number1
DOIs
StatePublished - Dec 1 2001

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Keywords

  • Actuators
  • Piezoelectric Properties
  • Rapid Prototyping
  • Sensors
  • Shaping

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