Elasto-Plastic Fatigue Crack Growth: Mathematical Models and Experimental Evidence

  • J. C. Radon
Part of the International Centre for Mechanical Sciences book series (CISM, volume 314)


This paper describes some analytical models developed for the evaluation of the cyclic J-integral, ΔJ. The J-integral is usually obtained through involved graphical procedures with experimental load-load point displacement plots. Numerical and other procedures are even more time consuming. For typical specimens, such as C(T), TPB and DCB (double cantilever beam) the graphical procedures are much simpler.An easily applicable analytical formula for the cyclic J-integral, by means of which the integral could be calculated and which would be comprehensive enough to be applicable for the conditions of fatigue and creep would be particularly helpful. Such a formula may overcome the shortcomings of the graphical and other procedures which are laborious and time consuming, apart from involving considerable experimental work.


Fatigue Crack Stress Intensity Factor Crack Length Crack Growth Rate Fatigue Crack Growth 
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Copyright information

© Springer-Verlag Wien 1990

Authors and Affiliations

  • J. C. Radon
    • 1
  1. 1.Imperial College of Science and TechnologyLondonUK

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