Stress Intensity Factors for Radial Cracks in a Pre-Stressed, Thick-Walled Cylinder of Strain-Hardening Materials

Abstract

A simple method which combines the weight function technique and finite element results is used to obtain mode I stress intensity factor solutions for radially cracked cylinders subjected to a high internal pressure. The method is especially effective for cylinders having residual stresses due to a manufacturing pre-stress process to increase the maximum pressure the cylinder can contain, and to improve the cylinder's useful life against fatigue and fracture. The method is quite general for various assumptions involving the plastic stress-strain relations, the yield condition, the strain-hardening, and the compressibility of the cylinder material.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1983
Accession Number
ADA125552

Entities

People

  • P. C. Chen
  • S. L. Pu

Organizations

  • United States Army Armament Research, Development and Engineering Center

Tags

Communities of Interest

  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Compressive Properties
  • Computer Programs
  • Crack Tips
  • Engineering
  • Hardening
  • Intensity
  • Internal Pressure
  • Materials
  • Mechanics
  • Military Research
  • Residual Stress
  • Residuals
  • Strain Hardening
  • Stress Intensity Factors
  • Stress Strain Relations
  • Stresses
  • Temperature Gradients

Fields of Study

  • Engineering

Readers

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