Date
2017-08-25Author
Cereser, AlbertoStrobl, MarkusHall, Stephen A.Streuwer, AxelKiyanagi, RyojiTremsin, Anton S.Knudsen, Erik BergbäckShinohara, TakenaoWillendrup, Peter K.Bastos da Silva Fanta, AliceIyengar, SrinivasanLarsen, Peter M.Hanashima, TakayasuMoyoshi, TaketoKadletz, Peter M.Krooß, PhilippNiendorf, ThomasSales, MortenSchmahl, Wolfgang WilhelmSchmidt, SørenSubject
530 Physics PolykristallMikrostrukturBildgebendes VerfahrenNeutronenbeugungPhysikalische EigenschaftMetadata
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Aufsatz
Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structures
Abstract
The physical properties of polycrystalline materials depend on their microstructure, which is the nano- to centimeter scale arrangement of phases and defects in their interior. Such microstructure depends on the shape, crystallographic phase and orientation, and interfacing of the grains constituting the material. This article presents a new non-destructive 3D technique to study centimeter-sized bulk samples with a spatial resolution of hundred micrometers: time-of-flight three-dimensional neutron diffraction (ToF 3DND). Compared to existing analogous X-ray diffraction techniques, ToF 3DND enables studies of samples that can be both larger in size and made of heavier elements. Moreover, ToF 3DND facilitates the use of complicated sample environments. The basic ToF 3DND setup, utilizing an imaging detector with high spatial and temporal resolution, can easily be implemented at a time-of-flight neutron beamline. The technique was developed and tested with data collected at the Materials and Life Science Experimental Facility of the Japan Proton Accelerator Complex (J-PARC) for an iron sample. We successfully reconstructed the shape of 108 grains and developed an indexing procedure. The reconstruction algorithms have been validated by reconstructing two stacked Co-Ni-Ga single crystals, and by comparison with a grain map obtained by post-mortem electron backscatter diffraction (EBSD).
Citation
In: Scientific Reports Volume 7 (2017-08-25) eissn:2045-2322Citation
@article{doi:10.17170/kobra-202305047940,
author={Cereser, Alberto and Strobl, Markus and Hall, Stephen A. and Streuwer, Axel and Kiyanagi, Ryoji and Tremsin, Anton S. and Knudsen, Erik Bergbäck and Shinohara, Takenao and Willendrup, Peter K. and Bastos da Silva Fanta, Alice and Iyengar, Srinivasan and Larsen, Peter M. and Hanashima, Takayasu and Moyoshi, Taketo and Kadletz, Peter M. and Krooß, Philipp and Niendorf, Thomas and Sales, Morten and Schmahl, Wolfgang Wilhelm and Schmidt, Søren},
title={Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structures},
journal={Scientific Reports},
year={2017}
}
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2023-05-17T14:36:32Z 2023-05-17T14:36:32Z 2017-08-25 doi:10.17170/kobra-202305047940 http://hdl.handle.net/123456789/14715 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ imaging techniques structure of solids and liquids 530 Time-of-Flight Three Dimensional Neutron Diffraction in Transmission Mode for Mapping Crystal Grain Structures Aufsatz The physical properties of polycrystalline materials depend on their microstructure, which is the nano- to centimeter scale arrangement of phases and defects in their interior. Such microstructure depends on the shape, crystallographic phase and orientation, and interfacing of the grains constituting the material. This article presents a new non-destructive 3D technique to study centimeter-sized bulk samples with a spatial resolution of hundred micrometers: time-of-flight three-dimensional neutron diffraction (ToF 3DND). Compared to existing analogous X-ray diffraction techniques, ToF 3DND enables studies of samples that can be both larger in size and made of heavier elements. Moreover, ToF 3DND facilitates the use of complicated sample environments. The basic ToF 3DND setup, utilizing an imaging detector with high spatial and temporal resolution, can easily be implemented at a time-of-flight neutron beamline. The technique was developed and tested with data collected at the Materials and Life Science Experimental Facility of the Japan Proton Accelerator Complex (J-PARC) for an iron sample. We successfully reconstructed the shape of 108 grains and developed an indexing procedure. The reconstruction algorithms have been validated by reconstructing two stacked Co-Ni-Ga single crystals, and by comparison with a grain map obtained by post-mortem electron backscatter diffraction (EBSD). open access Cereser, Alberto Strobl, Markus Hall, Stephen A. Streuwer, Axel Kiyanagi, Ryoji Tremsin, Anton S. Knudsen, Erik Bergbäck Shinohara, Takenao Willendrup, Peter K. Bastos da Silva Fanta, Alice Iyengar, Srinivasan Larsen, Peter M. Hanashima, Takayasu Moyoshi, Taketo Kadletz, Peter M. Krooß, Philipp Niendorf, Thomas Sales, Morten Schmahl, Wolfgang Wilhelm Schmidt, Søren doi:10.1038/s41598-017-09717-w Polykristall Mikrostruktur Bildgebendes Verfahren Neutronenbeugung Physikalische Eigenschaft publishedVersion eissn:2045-2322 Scientific Reports Volume 7 false 9561
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