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THE USE OF COMPLIANCE TO INVESTIGATE FATIGUE CRACK RETARDATION BY COVER PLATES
Author(s) -
Han M. S.,
Smith R. A.,
Kim S. C.
Publication year - 1990
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.1460-2695.1990.tb00628.x
Subject(s) - structural engineering , cover (algebra) , materials science , paris' law , bridge (graph theory) , stress intensity factor , composite material , crack closure , fracture mechanics , engineering , mechanical engineering , surgery , medicine
— This paper develops the compliance approach to the problem of load sharing between a cracked plate and a cover plate used to bridge the crack. The theory is validated by using calculated stress intensity factors for the covered and uncovered cases to reduce experimentally observed growth rates to a common base. Calculations are then made on the effect of cover plate width on fatigue crack retardation in order to demonstrate the predictive capability of the technique.