Starting with general phenomenological considerations, a function describing the initiation as well as the stable and unstable growth of fatigue cracks is derived. In comparison with many other functions assigned to the description of fatigue crack growth curves, its merit lies in its compatibility
A kink in the fatigue crack growth curve
โ Scribed by V.M. Radhakrishnan
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 365 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0142-1123
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A variational-asymptotic model of the Griffith criterion for the development of a crack is constructed for a complex stress-strain state. It is assumed that the shear loads are much smaller than the breaking loads but the longitudinal loading of the crack is taken into account. Using asymptotic anal
Existing experimental data o~.~ fatigue crack growth are summarized. A fatigue crack growth model is proposed, based on the different crack tip geometries of a loaded and unloaded crack; the model leads to predictions of the rates of growth of fatigue cracks, in certain materials, comparable to thos