High Resolution Mapping of Orientation and Strain Gradients in Metals by Synchrotron 3D X-ray Laue Microdiffraction

Autor: Yubin Zhang, Rozaliya I. Barabash

Publikováno v: Quantum Beam Science, Vol 3, Iss 1, p 6 (2019)

Synchrotron 3D X-ray Laue microdiffraction, available at beamline 34-ID-E at Advanced Photon Source in Argonne National Laboratory, is a powerful tool for 3D non-destructive mapping of local orientations and strains at sub-micron scale in the bulk. W

Externí odkaz: https://doaj.org/article/f4e863da791c408f9179008662677099

Huge local elastic strains in bulk nanostructured pure zirconia materials

Autor: Taylan Örs, Vincent Michel, Marc Huger, Jean-Sébastien Micha, Nathalie Gey, Olivier Castelnau, Fanny Gouraud, René Guinebretière

Publikováno v: Materials Science and Engineering: A
Materials Science and Engineering: A, Elsevier, 2021, 806, pp.140817. ⟨10.1016/j.msea.2021.140817⟩

From the liquid state to room temperature, two successive solid-state phase transitions occur in pure zirconia. It is well-known that the last one (tetragonal to monoclinic) is martensitic and induces large volume variations and shear strains. Elasti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f3965bf019bcd7ba878ad7e9b214eb07
https://hdl.handle.net/10985/19947

A peak position comparison method for high-speed quantitative Laue microdiffraction data processing

Autor: Nobumichi Tamura, Kai Chen, Jiawei Kou

Publikováno v: Kou, J; Chen, K; & Tamura, N. (2018). A peak position comparison method for high-speed quantitative Laue microdiffraction data processing. Scripta Materialia, 143, 49-53. doi: 10.1016/j.scriptamat.2017.09.005. Lawrence Berkeley National Laboratory: Retrieved from: http://www.escholarship.org/uc/item/62v7j1rn

© 2017 Acta Materialia Inc. Indexing Laue patterns of a synchrotron microdiffraction scan can take as much as ten times longer than collecting the data, impeding efficient structural analysis using this technique. Here a novel strategy is developed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d876c7ab9293bb3229cab40f6a93bb63
https://doi.org/10.1016/j.scriptamat.2017.09.005

Local strain redistribution in a coarse-grained nickel-based superalloy subjected to shot-peening, fatigue or thermal exposure investigated using synchrotron X-ray Laue microdiffraction

Autor: Jean-Sébastien Micha, Gader Altinkurt, Guillaume Geandier, Odile Robach, Moukrane Dehmas, Mathieu Fèvre

Publikováno v: Journal of Materials Science
Journal of Materials Science, Springer Verlag, 2018, 53, pp.8567-8589. ⟨10.1007/s10853-018-2144-4⟩
Journal of Materials Science, 2018, 53, pp.8567-8589. ⟨10.1007/s10853-018-2144-4⟩

International audience; The Laue microdiffraction technique was used to investigate the strain field caused by the shot-peening operation and its redistribution after thermal hold or fatigue in a model nickel-based superalloy with an average grain si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49f93193df6ea0740710eff19d8593f1
https://oatao.univ-toulouse.fr/21393/

A look-up table based approach to characterize crystal twinning for synchrotron X-ray Laue microdiffraction scans

Autor: Yao Li, Liang Wan, Kai Chen

Publikováno v: Journal of Applied Crystallography

An automated method has been developed to characterize the type and spatial distribution of twinning in crystal orientation maps from synchrotron X-ray Laue microdiffraction results.
An automated method has been developed to characterize the typ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::590445b29c113ea51d8c4995851120fa
http://europepmc.org/articles/PMC4453977