Mixed-Mode Fracture of Uniaxial Fiber Reinforced Composites.

Abstract

Mixed-mode matrix fracture in notched off-axis undirectional composite is investigated. First the problem is treated by an exact formulation based on elastic fracture mechanics. It is then simulated by a finite element model. Correlation with experiment suggests a fracture criterion based on total strain energy release rate as the fracture parameter. Keywords: Composite material, Graphite epoxy, Mixed mode fracture matrix cracking, Singular integral equation, Finite element simulation, Experiment analysis correlation.

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Document Details

Document Type
Technical Report
Publication Date
Apr 15, 1987
Accession Number
ADA191629

Entities

People

  • A. S. Wang
  • E. S. Reddy
  • W. Binienda
  • Ying Zhong

Organizations

  • Drexel University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Space

DTIC Thesaurus Topics

  • Aircrafts
  • Composite Materials
  • Crack Propagation
  • Equations
  • Far Field
  • Finite Element Analysis
  • Fracture (Mechanics)
  • Geometry
  • Integral Equations
  • Laminates
  • Materials
  • Materials Science
  • Materials Testing
  • Mechanics
  • Test Methods
  • Three Dimensional
  • Two Dimensional

Readers

  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Materials Science (Mechanical Engineering).
  • Mechanical Engineering/Mechanics of Materials.