Resistance Curves for Crack Growth under Plane-Stress Conditions in an Elastic Perfectly-Plastic Material.

Abstract

A recently developed solution for a plastic strain on the crack line is used in conjunction with a critical strain criterion to construct curves for K sub R (a) versus a, where a is the increase in crack length. Resistance curves have been computed for various values of the critical plastic strain. They show a monotonic increase of K sub R (a) with increase in crack length, to a constant steady-state value. Additional keywords: crack propagation; plane stress; strain fields. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1985
Accession Number
ADA156778

Entities

People

  • Jan D. Achenbach
  • Z. L. Li

Organizations

  • Northwestern University

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Boundaries
  • Constitutive Equations
  • Coordinate Systems
  • Crack Propagation
  • Crack Tips
  • Cracks
  • Differential Equations
  • Equations
  • Fracture (Mechanics)
  • Integral Equations
  • Integrals
  • Materials
  • Mechanics
  • Military Research
  • Resistance
  • Steady State
  • Structural Mechanics

Readers

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