Failure Design of Thick-Walled Cylinders Considering the OD as a Failure Initiation Site

Abstract

The outside diameter (OD) of thick-walled pressure vessels is considered as the initiation site for fatigue failure of the cylinder. OD failures can occur in pressurized cylinders which have discontinuities machined on their outside surfaces, and have been strengthened by the autofrettage process. Both the crack initiation and crack propagation phases are discussed. To do this, finite element stress solutions for OD notched thick-walled cylinders and specialized fracture mechanics solutions are presented. Life and crack growth predictions based on these analyses are compared to previously performed experiments.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1982
Accession Number
ADA120676

Entities

People

  • J. A. Kapp
  • S. L. Pu

Organizations

  • United States Army Armament Research, Development and Engineering Center

Tags

Communities of Interest

  • Air Platforms
  • Ground and Sea Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Crack Tips
  • Fatigue Life
  • Finite Element Analysis
  • Fracture (Mechanics)
  • Geometry
  • Internal Pressure
  • Materials
  • Mechanics
  • Military Research
  • Pressure Vessels
  • Residual Stress
  • Simulations
  • Stress Analysis
  • Stress Concentration
  • Stress Intensity Factors
  • Tensile Strength
  • Yield Strength

Fields of Study

  • Engineering

Readers

  • Materials Science (Mechanical Engineering).
  • Mechanical Engineering/Mechanics of Materials.
  • Structural Dynamics.