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A multiscale study of hot-extruded CoNiGa ferromagnetic shape-memory alloys
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SYSNO ASEP 0560792 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title A multiscale study of hot-extruded CoNiGa ferromagnetic shape-memory alloys Author(s) Samothrakitis, Stavros (FZU-D) ORCID
Larsen, Camilla B. (FZU-D) ORCID
Woracek, R. (CZ)
Heller, Luděk (FZU-D) RID, ORCID
Kopeček, Jaromír (FZU-D) RID, ORCID
Gerstein, G. (DE)
Maier, H. J. (DE)
Rameš, Michal (FZU-D) RID, ORCID
Tovar, M. (DE)
Šittner, Petr (FZU-D) RID, ORCID
Schmidt, S. (DK)
Štrobl, M. (CZ)Number of authors 12 Article number 109118 Source Title Materials and Design. - : Elsevier - ISSN 0264-1275
Roč. 196, č. 11 (2020)Number of pages 10 s. Language eng - English Country GB - United Kingdom Keywords martensitic transformation ; hot-extrusion ; Laue three-dimensional neutron diffraction to-mography ; neutron diffraction tomography Subject RIV JG - Metallurgy OECD category Materials engineering R&D Projects EF16_019/0000760 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LM2018096 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA19-09882S GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 000588271700006 EID SCOPUS 85090743526 DOI 10.1016/j.matdes.2020.109118 Annotation Ferromagnetic shape-memory CoNiGa alloys have attracted much scientific interest due to their potential alternative use as high-temperature shape-memory alloys, bearing a high prospect for actuation and damping applications at elevated temperatures. Yet, polycrystalline CoNiGa, due to strong orientation dependence of transformation strains, suffers from intergranular fracture. Here, two multi-grain CoNiGa samples were prepared by a novel hot extrusion process that can promote favourable grain-boundary orientation distribution and improve the material's mechanical behaviour. The samples were investigated by multiple methods and their micro structural, magnetic, and mechanical properties are reported. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2023 Electronic address https://hdl.handle.net/11104/0333580
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