Fatigue crack growth behaviour in ferritic ductile iron with surface crack under reverse bending
β Scribed by Ahmet Akdemir; Mehmet Tekeli; Necati Ataberk
- Book ID
- 116374831
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 518 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0927-0256
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Abstr&-There is a dramatic change in the shape of the semi-elIiptiad surface cracks, growing due to combined cyclic bending and tensile loading of plam. It is possibk to predict the change of aspect ratio (o/c) during the propagation of the crack. The growing cracks change their shapes such that the
Cyclic growth rate of a surface crack is complicated by the three dimensional stress field around the crack and also by an interaction expected between the growth rate at every position on the contour. An analysis, based on the total energy around a smfoce crack, derived a correlation between strain