A Unified Model For Hysteresis in Ferroic Materials

Abstract

Smart Material Applications *Piezoelectrics - Tunable lenses, nanopositioning * Shape Memory Alloys - Shape modification *Magnetostrictives - High force transduction II. Modeling Hierarchies * Develop energy relations at lattice level for single crystal, homogeneous compounds. * Incorporate polycrystallinity and material nonhomogeneities through stochastic homogenization to obtain macroscopic constitutive relations. III. Experimental Validation * PZT5A - Major and biased minor loops * Terfenol-D - Major and biased minor loops * SMA ?Thin lm Goal: * Develop a unified framework for model and control design for ferroic (ferromagnetic, ferroelectric and ferroelastic) materials.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 2003
Accession Number
ADA429538

Entities

People

  • Marcelo Dapino
  • Ralph C. Smith
  • Stefan Seelecke
  • Zoubeida Ounaies

Organizations

  • North Carolina State University

Tags

Communities of Interest

  • Advanced Electronics
  • Space

DTIC Thesaurus Topics

  • Abstracts
  • Chromosomes
  • Detection
  • Domain Walls
  • Electric Fields
  • Ferromagnetic Materials
  • Films
  • Hysteresis
  • Magnetic Fields
  • Materials
  • Mathematics
  • North Carolina
  • Phase
  • Phase Transformations
  • Shape Memory Alloys
  • Thin Films
  • Universities

Readers

  • Materials Science and Engineering.