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- Title
Simulations and experiments of stochastic characteristics for collective short fatigue cracks in steels.
- Authors
Y, HONG; L, ZHENG; Y, QIAO
- Abstract
ABSTRACT Stochastic characteristics prevail in the process of short fatigue crack progression. This paper presents a method taking into account the balance of crack number density to describe the stochastic behaviour of short crack collective evolution. The results from the simulation illustrate the stochastic development of short cracks. The experiments on two types of steels show the random distribution for collective short cracks with the number of cracks and the maximum crack length as a function of different locations on specimen surface. The experiments also give the variation of total number of short cracks with fatigue cycles. The test results are consistent with numerical simulations.
- Subjects
STOCHASTIC analysis; STAINLESS steel fatigue
- Publication
Fatigue & Fracture of Engineering Materials & Structures, 2002, Vol 25, Issue 5, p459
- ISSN
8756-758X
- Publication type
Article
- DOI
10.1046/j.1460-2695.2002.00520.x