Durability of Composite Materials and Structures

Abstract

This project focused on marine composites and sandwich structures with specific interests on the effects of moisture, seawater, hydrostatic pressure, and temperature on their durability and life prediction. One task revealed fiber changes that occur with nitric acid treatment promoting better engineering design of composite fiber matrix interface and interphase region. Comparative environmental exposures show that moisture absorption was along the F/M interface (wicking). A fracture mechanical model of single fiber tests characterized the fiber matrix interface toughness as a parameter to monitor degradation and fiber matrix interface quality.

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Document Details

Document Type
Technical Report
Publication Date
Nov 02, 2009
Accession Number
ADA508406

Entities

People

  • Clive Clayton
  • Dayakar Penumadu
  • Hassan Mahfuz
  • Lawrence Drzal
  • Leif A. Carlsson
  • Richard D. Granata
  • William Hartt
  • William L. Scott

Organizations

  • Florida Atlantic University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Adhesion
  • Carbon Fibers
  • Chemistry
  • Composite Materials
  • Engineering
  • Hydrostatic Pressure
  • Laminates
  • Materials
  • Materials Processing
  • Materials Science
  • Materials Testing
  • Mechanical Properties
  • Mechanics
  • Physical Properties
  • Polymer Matrix Composites
  • Sandwich Composites
  • Surface Properties

Readers

  • Materials Science and Engineering.
  • Optical Fiber Sensing and Electromagnetic Propagation.
  • Thin Film Deposition Science.