Modelling of fatigue crack growth following overloads
✍ Scribed by H.J.C. Voorwald; M.A.S. Torres; C.C.E. Pinto Júnior
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 420 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0142-1123
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Abstnet--several co-existing, mutuaIiy competitive mechanisms are involved in fatigue crack growth after o~lo~ing. The lowest fatigue crack growth rate, the crack growth increment at which the fatigue crack growth rate reaches its minimum, and the overloading a&xted zone size are the three most imp
A stochastic approach to fatigue crack growth under random overload sequences, superimposed on a base-line cyclic load, is described. The approach consists in presentation of the delay time due to the retardation effect associated with the overload peaks as a purely discontinuous Markov process. A n