Filtern
Erscheinungsjahr
Dokumenttyp
- Zeitschriftenartikel (9)
- Beitrag zu einem Sammelband (9)
- Vortrag (8)
- Posterpräsentation (2)
Schlagworte
- Creep (9)
- Superalloys (8)
- CMSX-4 (3)
- Nickel alloys (3)
- Nickel-base superalloys (3)
- Rafting (3)
- Creep damage (2)
- Dendritic structure (2)
- Misfit (2)
- Porosity (2)
Eingeladener Vortrag
- nein (8)
Electron microscopy investigation of the structure of a compact extruded from nanopowder of nickel
(2007)
Changes in the structure of single-crystal (SC) superalloy SRR99 during creep at 980 °C and 200 MPa were investigated. Geometrical parameters of the y/y'-microstructure, y/y'-misfit, stresses in the phases and local misorientation of the structure were determined at defined points of the dendritic structure by use of X-ray diffraction (XRD), wavelength dispersive X-ray spectroscopy (WDXS), scanning (SEM) and transmission (TEM) electron microscopy. Correlation of the microstructural period and local misorientation of the structure with creep strain were found.