Damage Mechanisms/Failure Mechanics of Carbon-Carbon Composite Materials.

Abstract

A 100 millimeter (4in) cubic billet of 3-dimensional cartesian weave carbon-carbon material was received in late December, 1977. A series of tests were performed to measure mechanical properties during uniaxial tension, compression, and shear loading. Extensive test development was required as standard tests for these materials do not exist. Strain gages and extensometers were used to measure strain during loading for determination of elastic coefficients. Acoustic emission measurements were performed on selected tests to determine damage thresholds. Failure surfaces were examined in a scanning electron microscope to study failure modes. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1979
Accession Number
ADA090571

Entities

People

  • David E. Walrath
  • Donald F. Adams

Organizations

  • University of Wyoming

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies
  • Sensors
  • Weapons Technologies

DTIC Thesaurus Topics

  • Carbon Carbon Composites
  • Composite Materials
  • Engineering
  • Engineers
  • Failure Mode And Effect Analysis
  • Graphitic Materials
  • Jet Propulsion
  • Materials
  • Materials Laboratories
  • Materials Science
  • Materials Testing
  • Mechanical Engineering
  • Mechanical Properties
  • Mechanics
  • Military Research
  • Modulus Of Elasticity
  • Test Methods

Readers

  • Mechanical Engineering/Mechanics of Materials.
  • Reinforced Composite Materials
  • Structural Health Monitoring of Composite Structures.

Technology Areas

  • Microelectronics