Abstract
Using both experimental and numerical studies, we show that, upon cyclic indentation with a flat cylindrical indenter, the steady-state rate of indentation depth propagation can be well characterized by a simple power-law function of the stress intensity range and the maximum stress intensity, which is qualitatively similar to the steady-state growth of a fatigue crack. The simple law of indentation fatigue has the potential to extract the fatigue properties of materials with small volumes and clarify the fatigue crack mechanisms.
| Original language | English |
|---|---|
| Pages (from-to) | 854-857 |
| Number of pages | 4 |
| Journal | Scripta Materialia |
| Volume | 60 |
| Issue number | 10 |
| DOIs | |
| State | Published - May 2009 |
Keywords
- Fatigue crack growth
- Finite element analyses
- Indentation depth propagation
- Indentation fatigue experiment
- Stress intensity
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