Three-Dimensional Characterization of Superdislocation Interactions in the High Temperature and Low Stress Creep Regime of Ni-Base Superalloy Single Crystals
- Monocrystaline Ni-base superalloys are the material of choice for first row blades in jet engine gas turbines. Using a novel visualization tool for 3D reconstruction and visualization of dislocation line segments from stereo-pairs of scanning transmission electron microscopies, the superdislocation substructures in Ni-base superalloy LEK 94 (crept to ε = 26%) are characterized. Probable scenarios are discussed, how these dislocation substructures form.
Author: | Leonardo Agudo Jácome, Gunter Eggeler, Kai Pöthkow, Olaf PaetschGND, Hans-Christian HegeORCiDGND |
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Document Type: | In Proceedings |
Parent Title (English): | Proceedings of CREEP 2015 – 13th International Conference on Creep and Fracture of Engineering Materials and Structures, May 31 – June 4, 2015, Toulouse, France |
First Page: | 16 |
Last Page: | 17 |
Year of first publication: | 2015 |