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Thermo-mechanical Processing of EZK Alloys in a Synchrotron Radiation Beam
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SYSNO ASEP 0504481 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Thermo-mechanical Processing of EZK Alloys in a Synchrotron Radiation Beam Author(s) Tolnai, D. (DE)
Dupont, M. -A. (DE)
Gavras, S. (DE)
Máthis, K. (CZ)
Fekete-Horváth, Klaudia (UJF-V) ORCID
Stark, A. (DE)
Schell, N. (DE)Number of authors 7 Source Title THE MINERALS, METALS AND MATERIALS SERIES, Magnesium Technology, 2019. - Cham : Springer, 2019 - ISSN 2367-1181 - ISBN 978-3-030-05788-6 Pages s. 297-303 Number of pages 7 s. Publication form Print - P Action Magnesium Technology Symposium 2019 Event date 10.03.2019 - 14.03.2019 VEvent location San Antonio Country US - United States Event type WRD Language eng - English Country CH - Switzerland Keywords elevated temperature compression ; in situ synchrotron radiation diffraction ; intermetallic phases Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GB14-36566G GA ČR - Czech Science Foundation (CSF) EF16_013/0001794 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Institutional support UJF-V - RVO:61389005 UT WOS 000539483800044 EID SCOPUS 85064619449 DOI 10.1007/978-3-030-05789-3_44 Annotation Nd, a rare earth element with low solid solubility in Mg, is an ideal alloying element to improve elevated temperature yield strength and creep resistance cost effectively. The addition of Zn leads to further improvement in the elevated temperature properties. Therefore, Mg-Nd-Zn alloys are prospective materials for structural and medical applications. In situ synchrotron radiation diffraction was performed during compression at 200 and 350 ℃ for Mg3NdxZn (x = 0, 0.5, 1, 2 wt%) alloys up to a deformation of 0.3 with a deformation rate of 10 -3 s -1 . The compressed samples were subsequently subjected to electron backscattered diffraction. The results show that at 200A ℃ the addition of Zn increased the ductility. At the beginning of plastic deformation twinning was the dominant deformation mechanism complemented by sub-grain formation at a later stage. At 350A ℃, the compression strength was increased with the addition of Zn and the microstructure of the samples underwent partial dynamic recrystallization during compression. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2020
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