Size effects on spheroidal voids by Finite Fracture Mechanics and application to corrosion pits
نویسندگان
چکیده
The present work aims at investigating the failure size effect of a spheroidal void in an infinite linear elastic solid under remote tension by means coupled Finite Fracture Mechanics (FFM) approach. opening stress field and intensity factor (SIF) annular crack surrounding cavity —necessary for FFM implementation— are obtained numerically through parametric axisymmetric finite element analyses (FEAs): spheroid aspect ratio is varied between 0.1 10 Poisson's 0.5. Accordingly, semi-analytical functions approximating concentration SIF put forward. Finally, on voids reported, predictions compared with experimental results fatigue limit arising from corrosion pits, showing fairly good agreement.
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ژورنال
عنوان ژورنال: Fatigue & Fracture of Engineering Materials & Structures
سال: 2022
ISSN: ['1460-2695', '0160-4112', '8756-758X']
DOI: https://doi.org/10.1111/ffe.13902