Anomalous Fatigue Behavior in Polyisoprene

Abstract

Material failure corresponds to the propagation of damage to a catastrophic level. The damage may be intrinsic or have arisen during deformation. In cross-linked rubbers it is known that even the most carefully prepared laboratory specimens have inherent flaws which are capable of initiating crack growth. Fracture is made possible when the strain energy release rate (i.e., the tearing energy) exceeds a critical value.

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Document Details

Document Type
Technical Report
Publication Date
Oct 21, 1988
Accession Number
ADA199690

Entities

People

  • C. Michael Roland
  • J. W. Sobieski

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Chemical Synthesis
  • Chemistry
  • Civil Engineering
  • Crack Propagation
  • Crack Tips
  • Cracks
  • Crystallization
  • Elastomers
  • Elongation
  • Equations
  • Fatigue Life
  • Fracture (Mechanics)
  • Materials
  • Mechanics
  • Military Research
  • Natural Rubber
  • Tensile Strength

Readers

  • Materials Science (Mechanical Engineering).
  • Polymer Science and Engineering.
  • Theoretical Analysis.