A Technique for Achieving 4000 Microstrain from Hard PZT

Abstract

The year 2 effort was divided between experimental characterization of the constitutive behavior of ferroelectric ceramics and reliability of actuators constructed from these materials. Key results of the study of the constitutive behavior under combined stress and electric field loading were the ability to obtain over 3000 microstrain from PZT without excessive hysteresis or cracking and the characterization of several compositions of PZT under high field and high stress loading. Key results under the reliability study were the development of a J-integral testing technique and a technique for the measurement of the displacement fields induced by electric field in front of a notch.

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Document Details

Document Type
Technical Report
Publication Date
Mar 30, 1998
Accession Number
ADA340943

Entities

People

  • Christopher S Lynch

Organizations

  • Georgia Tech

Tags

Communities of Interest

  • Advanced Electronics
  • Ground and Sea Platforms
  • Sensors

DTIC Thesaurus Topics

  • Abstracts
  • Actuators
  • Composite Structures
  • Contracts
  • Crystals
  • Curie Temperature
  • Databases
  • Electric Fields
  • Engineering
  • Fine Grained Materials
  • J Integrals
  • Materials
  • Measurement
  • Mechanical Engineering
  • Mechanics
  • Reliability
  • Single Crystals

Readers

  • Materials Science (Mechanical Engineering).
  • Materials Science and Engineering.
  • Systems Analysis and Design