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HYDRODYNAMIC PRESSURE EFFECTS OF VISCOUS FLUID FLOW IN A FATIGUE CRACK
Author(s) -
Davis F. H.,
Ellison E. G.
Publication year - 1989
Publication title -
fatigue and fracture of engineering materials and structures
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 84
eISSN - 1460-2695
pISSN - 8756-758X
DOI - 10.1111/j.1460-2695.1989.tb00561.x
Subject(s) - materials science , paris' law , mechanics , range (aeronautics) , crack closure , stress intensity factor , flow (mathematics) , intensity (physics) , structural engineering , composite material , fracture mechanics , engineering , physics , quantum mechanics
— The influence of hydrodynamic pressure on fatigue crack growth rates has been investigated. It was shown that the effects were small but beneficial, effectively reducing the stress intensity range. A theoretical model has been developed which successfully predicted the trends and approximate magnitudes of reductions in fatigue crack growth rates for a range of test conditions.