Passive Vibration Damping Materials: Piezoelectric Ceramics Composites for Vibration Damping Applications

Abstract

For application of the shunted passive piezoelectric damping of structural composites, piezoelectric ceramic fibers (PZT and its family) of several tens of micron diameter were made using sol-gel spinning process. Both acetate and acetylacetonate processes were examined as lead sources. Using the properly chosen spinneret and fiber drawing apparatus, PZT and modified PZT fibers of 10 to l00 micrometers diameter have been successfully produced. Different heat treatments gave different microstructure. Modeling analysis was also performed to estimate achievable damping levels for the composites. The results indicates high damping potential for shunted piezoelectric passive damping composites.... Shunted passive piezoelectric damping, PZT sol-gel fiber.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1993
Accession Number
ADA260792

Entities

People

  • S. K. Kurtz
  • Shoko Yoshikawa

Organizations

  • Pennsylvania State University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Ceramic Fibers
  • Ceramic Materials
  • Composite Material Fabrication
  • Composite Materials
  • Elastic Properties
  • Fibers
  • Geometry
  • Heat Treatment
  • Laminates
  • Materials
  • Materials Laboratories
  • Materials Processing
  • Materials Science
  • Mechanics
  • Micromechanics
  • Piezoceramics
  • Polymer Matrix Composites

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Reinforced Composite Materials
  • Structural Dynamics.