Abstract
Strain-controlled low cycle fatigue (LCF) experiments of a second generation single crystal (SC) nickel-base superalloy are carried out to investigate the effect of crystallographic orientations on its LCF life. Further, the life modeling of the SC superalloy is considered by employing the modified Mücke's anisotropic model. The results show that the LCF life of the SC superalloy has a strong crystallographic orientation dependence; the local strain approach fails to predict the fatigue life but the modified Mücke's anisotropic model is able to predict the fatigue life for the SC superalloy at the three characteristic orientations simultaneously.
| Original language | English |
|---|---|
| Pages (from-to) | 21-27 |
| Number of pages | 7 |
| Journal | International Journal of Fatigue |
| Volume | 61 |
| DOIs | |
| State | Published - Apr 2014 |
Keywords
- Anisotropic
- Hill parameters
- Life modeling
- Low cycle fatigue
- Single crystal
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