Short-fatigue-crack growth in a nickel-base superalloy at room and elevated temperature
β Scribed by J.C. Healy; L. Grabowski; C.J. Beevers
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 758 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0142-1123
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Prediction of oxidation-assisted crack growth has been carried out for a nickel-based superalloy at elevated temperature based on finite element analyses of oxygen diffusion, coupled with viscoplastic deformation, near a fatigue crack tip. The material constitutive behaviour, implemented in the fini
This paper deals with the prediction of fatigue crack growth at high temperatures in the N18 nickel base superalloy, which is employed by Snecma for turbine disc applications. This material and other nickel base superalloys were widely studied in the past under isothermal conditions and constant amp