Laue microdiffraction on polycrystalline samples above 1500 K achieved with the QMAX-µLaue furnace
© Ravi Raj Purohit Purushottam Raj Purohit et al. 2024.
| Veröffentlicht in: | Journal of applied crystallography. - 1998. - 57(2024), Pt 2 vom: 01. Apr., Seite 470-480 |
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| 1. Verfasser: | |
| Weitere Verfasser: | , , , , , |
| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2024
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| Zugriff auf das übergeordnete Werk: | Journal of applied crystallography |
| Schlagworte: | Journal Article Laue microdiffraction QMAX furnace high temperatures microstructure phase transitions polycrystalline materials strain fields |
| Zusammenfassung: | © Ravi Raj Purohit Purushottam Raj Purohit et al. 2024. X-ray Laue microdiffraction aims to characterize microstructural and mechanical fields in polycrystalline specimens at the sub-micrometre scale with a strain resolution of ∼10-4. Here, a new and unique Laue microdiffraction setup and alignment procedure is presented, allowing measurements at temperatures as high as 1500 K, with the objective to extend the technique for the study of crystalline phase transitions and associated strain-field evolution that occur at high temperatures. A method is provided to measure the real temperature encountered by the specimen, which can be critical for precise phase-transition studies, as well as a strategy to calibrate the setup geometry to account for the sample and furnace dilation using a standard α-alumina single crystal. A first application to phase transitions in a polycrystalline specimen of pure zirconia is provided as an illustrative example |
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| Beschreibung: | Date Revised 23.11.2024 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
| ISSN: | 0021-8898 |
| DOI: | 10.1107/S1600576724001821 |