Abstract
A new theoretical approach is presented for investigating fatigue crack growth in plates of finite thickness. The developed approach utilizes a modified strip-yield analysis and the concept of plasticity-induced crack closure. A number of typical fatigue crack growth phenomena are investigated including the thickness effect on constant amplitude fatigue crack growth, retardation due to a tensile overload cycle, and short crack growth from sharp notches. Theoretical predictions are compared with experimental data and are found to be in very good correlation.
| Original language | English |
|---|---|
| Pages (from-to) | 201-204 |
| Number of pages | 4 |
| Journal | Key Engineering Materials |
| Volume | 417-418 |
| DOIs | |
| Publication status | Published - 2010 |
Keywords
- Fatigue crack growth
- Load history
- Overload retardation
- Plasticity-induced crack closure
- Plate thickness effect
- Short fatigue crack growth
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