8. Fracture Mechanics

  1. Christian Lalanne

Published Online: 27 JAN 2010

DOI: 10.1002/9780470611968.ch8

Fatigue Damage: Mechanical Vibration and Shock Analysis, Volume 4, Second Edition

Fatigue Damage: Mechanical Vibration and Shock Analysis, Volume 4, Second Edition

How to Cite

Lalanne, C. (2009) Fracture Mechanics, in Fatigue Damage: Mechanical Vibration and Shock Analysis, Volume 4, Second Edition, ISTE, London, UK. doi: 10.1002/9780470611968.ch8

Publication History

  1. Published Online: 27 JAN 2010
  2. Published Print: 1 JAN 2009

ISBN Information

Print ISBN: 9781848211254

Online ISBN: 9780470611968

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Keywords:

  • fatigue studies;
  • manufacturing problems;
  • aeronautical structures;
  • airplane parts;
  • damage tolerances

Summary

This chapter contains sections titled:

  • Overview

  • Fracture mechanism

  • Critical size: strength to fracture

  • Modes of stress application

  • Stress intensity factor

  • Fracture toughness: critical K value

  • Calculation of the stress intensity factor

  • Stress ratio

  • Expansion of cracks: Griffith criterion

  • Factors affecting the initiation of cracks

  • Factors affecting the propagation of cracks

  • Speed of propagation of cracks

  • Effect of a non-zero mean stress

  • Laws of crack propagation

  • Stress intensity factor

  • Dispersion of results

  • Sample tests: extrapolation to a structure

  • Determination of the propagation threshold Ks

  • Propagation of cracks in the domain of low cycle fatigue

  • Integral J

  • Overload effect: fatigue crack retardation

  • Fatigue crack closure

  • Rules of similarity

  • Calculation of a useful lifetime

  • Propagation of cracks under random load