Characterization of Deformation and Damage in Brittle Matrix Composite Materials.

Abstract

The objective of this investigation is to study deformation and failure of brittle-matrix composite materials. Unidirectional and crossply continuous-fiber ceramic-matrix composites were investigated under uniaxial loading. Failure mechanisms and their development were studied in real time under the microscope and also by means of ultrasonic and acoustic emission techniques. All observations and measurements were correlated with the macroscopic stress-strain behavior of the material and compared with predictions of analytical models. A new model was developed for correlation of failure micromechanisms and macroscopic response of the material.

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Document Details

Document Type
Technical Report
Publication Date
May 10, 1996
Accession Number
ADA310295

Entities

People

  • I. M. Daniel

Organizations

  • Northwestern University

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Sensors

DTIC Thesaurus Topics

  • Ceramic Materials
  • Ceramic Matrix Composites
  • Composite Materials
  • Elastic Properties
  • Failure Mode And Effect Analysis
  • Laminates
  • Material Degradation Processes
  • Materials
  • Materials Laboratories
  • Materials Science
  • Materials Testing
  • Measurement
  • Mechanical Properties
  • Mechanics
  • Micromechanics
  • Modulus Of Elasticity
  • Stress Strain Relations

Readers

  • Reinforced Composite Materials
  • Structural Health Monitoring of Composite Structures.