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Hot deformation of Mg-Y-Zn alloy with a low content of the LPSO phase studied by in-situ synchrotron radiation diffraction
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SYSNO ASEP 0523802 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Hot deformation of Mg-Y-Zn alloy with a low content of the LPSO phase studied by in-situ synchrotron radiation diffraction Author(s) Fekete-Horváth, Klaudia (UJF-V) ORCID
Drozdenko, D. (CZ)
Čapek, J. (CZ)
Máthis, K. (CZ)
Tolnai, D. (DE)
Stark, A. (DE)
Garces, G. (ES)
Dobroň, Patrik (UJF-V) ORCIDNumber of authors 8 Source Title Journal of Magnesium and Alloys. - : KeAi Publishing Communications - ISSN 2213-9567
Roč. 8, č. 1 (2020), s. 199-209Number of pages 11 s. Publication form Print - P Language eng - English Country CN - China Keywords Magnesium alloy ; LPSO phase ; kinking ; high temperature ; synchrotron radiation diffraction Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Nuclear physics R&D Projects EF16_013/0001794 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support UJF-V - RVO:61389005 UT WOS 000522768600015 EID SCOPUS 85078213282 DOI 10.1016/j.jma.2019.11.009 Annotation The compressive deformation behavior of the extruded WZ42 (Mg98.5Y1Zn0.5 in at.%) magnesium alloy containing a low amount of long-period stacking ordered (LPSO) phase was studied by in-situ synchrotron radiation diffraction technique. Tests were conducted at temperatures between room temperature and 350 degrees C. Detailed microstructure investigation was provided by scanning electron microscopy, particularly the backscattered electron imaging and electron backscatter diffraction technique. The results show that twinning lost its dominance and kinking of the LPSO phase became more pronounced with increasing deformation temperature. No cracks of the LPSO phase and no debonding r at the interface between the LPSO phase and the Mg matrix were observed at temperatures above 200 degrees C. At 350 degrees C, the LPSO phase lost its strengthening effect and the deformation of the alloy was mainly realized by the dynamic recrystallization of the Mg matrix. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2021 Electronic address https://doi.org/10.1016/j.jma.2019.11.009
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