Damage Assessment in Composites by Acoustic-Ultrasonic Technique.

Abstract

The damage development in cross-ply S-2 glass/epoxy laminates were assessed using acousto-ultrasonic (UA) and acoustic emission (AE) techniques. Acoustic emission and acousto-ultrasonic measurements gave early warnings of damage initiation before transverse cracks became visible.

Open PDF

Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1986
Accession Number
ADA174054

Entities

People

  • W. T. Hahn

Organizations

  • Washington University in St. Louis

Tags

DTIC Thesaurus Topics

  • Acoustic Emissions
  • Attenuation
  • Composite Materials
  • Damage
  • Damage Assessment
  • Emission
  • Epoxy Laminates
  • Epoxy Resins
  • Laminates
  • Materials
  • Military Research
  • Modulus Of Elasticity
  • Resins
  • Stress Waves
  • Ultrasounds
  • Wave Propagation
  • Waves

Fields of Study

  • Materials science

Readers

  • Structural Health Monitoring of Composite Structures.