Effects of loading waveform on fatigue crack growth of Udimet 720 Li superalloy
✍ Scribed by G. Onofrio; G.A. Osinkolu; M. Marchionni
- Book ID
- 108401242
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 420 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0142-1123
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The influence of environment and fatigue waveform shape on crack growth behaviour has been evaluated in a workhorse turbine disc material, Inconel 718, at 600°C through an experimental programme that investigated crack growth from a notch geometry. Crack growth data are presented for a variety of st
## Abstract High temperature fatigue in nickel‐base superalloys for aero‐engine applications requires consideration of cycle‐ and time‐dependent phenomena. For waveforms with dwells and/or low frequencies crack growth rates may be significantly accelerated up to the point of fully time‐dependent cr