ASYMPTOTIC STRESS INTENSITY FACTORS FOR FATIGUE CRACK-GROWTH CALCULATIONS

A simple procedure is proposed for calculating stress intensity factors for cracks at stress concentrations. The procedure is based on the known limiting values for both short and long cracks. The errors introduced, by the approximate analysis, into calculations of growth times in fatigue are evaluated and shown to be comparable to, or less than, those due to other sources such as uncertainties in crack length, service loads and material properties. The simple analysis is shown, in particular, to be conservative for the technologically important region of short cracks at stress concentrations.(a)

  • Availability:
  • Corporate Authors:

    IPC Science and Technology Press Limited

    IPC House, 32 High Street
    Guildford, Surrey  England 
  • Authors:
    • Rooke, D P
  • Publication Date: 1980-4

Media Info

  • Features: Figures; References;
  • Pagination: p. 69-75
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00316597
  • Record Type: Publication
  • Source Agency: Transport Research Laboratory
  • Files: ITRD, TRIS
  • Created Date: Sep 16 1980 12:00AM