The Analysis of Fatigue Crack Growth Rate Data

  • W. G. ClarkJr.
  • S. J. HudakJr.
Part of the Sagamore Army Materials Research Conference Proceedings book series (SAMC)


The analytical variables associated with the characterization of fatigue crack growth rate performance are discussed and the influence of these variables on predicted cyclic life is illustrated. It is shown that the analytical techniques chosen to process laboratory test results and to develop upper-bound design information can have a significant effect on subsequent life predictions. The development of an optimum methodology for evaluating and utilizing fatigue crack growth data is also considered.


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  1. 1.
    Clark, W.G., Jr., “How Fatigue Crack Initiation and Growth Properties Affect Material Selection and Design Criteria”, Metals Eng. Quart., 14, No. 3 (1974), 16–22.Google Scholar
  2. 2.
    Hoeppner, D.W. and Krupp, W.E., “Prediction of Component Life by Application of Fatigue Crack Growth Knowledge”, Eng. Fract. Mech., 6 (1974), 47–70.CrossRefGoogle Scholar
  3. 3.
    Clark, W.G., Jr., and Hudak, S.J., Jr., “Variability in Fatigue Crack Growth Rate Testing”, J. Test. Eval., 3 (1975), 454–76.CrossRefGoogle Scholar
  4. 4.
    Draper, N.R. and Smith H., Applied Regression Analysis. New York: John Wiley & Sons, Inc., 1966.Google Scholar

Copyright information

© Springer Science+Business Media New York 1979

Authors and Affiliations

  • W. G. ClarkJr.
  • S. J. HudakJr.
    • 1
  1. 1.Mechanics DepartmentWestinhouse Research LaboratoriesPittsburghUSA

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