Wave Propagation in Composite Media and Material Characterization

Abstract

Characteristics of wave propagation in an undamaged composite medium are influenced by many factors, the most important of which are: microstructure, constituent properties, interfaces, residual stress fields, and ply lay-ups. Measurements of wave velocities, attenuation, and dispersion provide a powerful tool for nondestructive evaluation of these properties. In this paper we review recent development in modeling of ultrasonic wave propagation in fiber and particle reinforced composite media. Additionally, we discuss some modeling studies of the effects of interfaces and layering on attenuation and dispersion. These studies indicate possible ways of characterizing material properties by ultrasonic means. (JHD)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1990
Accession Number
ADA225133

Entities

People

  • A. H. Shah
  • Subhendu K. Datta
  • W. Karunasena

Organizations

  • University of Colorado Boulder

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Cartesian Coordinates
  • Civil Engineering
  • Composite Materials
  • Coordinate Systems
  • Elastic Waves
  • Engineering
  • Engineers
  • Fiber Reinforced Composites
  • Frequency
  • Long Wavelengths
  • Materials
  • Mechanical Engineering
  • Mechanics
  • New York
  • Ultrasounds
  • Wave Propagation
  • Waves

Readers

  • Aerosol Science/Aerosol Physics
  • Reinforced Composite Materials
  • Wave Propagation and Nonlinear Chaotic Dynamics.