About this Abstract |
Meeting |
5th International Congress on 3D Materials Science (3DMS 2021)
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Symposium
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5th International Congress on 3D Materials Science (3DMS 2021)
|
Presentation Title |
Dark Field X-ray Microscopy of Recovery Annealing of Cold Rolled Fe-Si and Fe-Si-Sn Alloys |
Author(s) |
Can Yildirim, Nikolas Mavrikakis, Melanie Gauvin, Phillip Kenneth Cook, Mustafacan Kutsal, Roger Hubertt, Wahib Saikaly, Henning Friis Poulsen, Myriam Dumont, Helena Zapolsky, Dominique Mangelick, Carsten Detlefs |
On-Site Speaker (Planned) |
Can Yildirim |
Abstract Scope |
Numerous interesting phenomena occur at different microscopic scales during the annealing of engineering materials. Understanding these phenomena are essential not only for optimising
performance of macroscale components, but also for the validation of structural models. Here, we present an in-situ study on the effect of Sn on the recovery annealing of cold rolled Fe-3%Si alloys using Dark Field X-ray Microscopy. DFXM is a recent non-destructive, diffraction-based technique that allows 3D mapping of orientation and lattice strain with 100 nm spatial and 0.001° angular resolution within embedded in bulk samples. The evolution of relative strain and orientation in alpha
Fe grains upon annealing show that Sn slows down the recovery kinetics. DFXM results provide a direct observation of the strain field around dislocation loops that remain static upon annealing.
These findings agree with the complementary micro-hardness and EBSD measurements. We further discuss this by an atomistic modelling on Sn-dislocation interaction. |
Proceedings Inclusion? |
Definite: Other |