Datum
2019Autor
Lauhoff, ChristianReul, AlexanderLangenkämper, DennisKrooß, PhilippSomsen, ChristophGutmann, Matthias JosefKireeva, Irina V.Chumlyakov, Yuriy I.Schmahl, Wolfgang WilhelmNiendorf, ThomasSchlagwort
600 Technik 620 Ingenieurwissenschaften 660 Chemische Verfahrenstechnik, Technische Chemie Memory-LegierungMartensitumwandlungNanopartikelNeutronenbeugungCobaltlegierungNickellegierungGalliumlegierungMetadata
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Effect of nanometric γ´-particles on the stress-induced martensitic transformation in ⟨001⟩-oriented Co49Ni21Ga30 shape memory alloy single crystals
Zusammenfassung
The effect of finely dispersed particles on the functional properties and morphology of thermally induced martensite in Co-Ni-Ga shape memory alloys has been already reported in literature, however, still important aspects are not fully understood. The current study focuses on the stress-induced martensitic transformation of solution-annealed, i.e. precipitate-free, and aged 〈001〉-oriented single crystals. In situ optical microscopy and neutron diffraction experiments show a significant influence of γ′-particles on the martensite variant selection and its morphology under pseudoelastic deformation. In addition, the results reveal detwinning upon loading in the presence of nanometric particles, which is experimentally proven for the first time.
Zitierform
In: Scripta Materialia Volume 168 (2019) , S. 42-46 ; eissn:1872-8456Zusätzliche Informationen
© This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/Zitieren
@article{doi:10.17170/kobra-2024061210340,
author={Lauhoff, Christian and Reul, Alexander and Langenkämper, Dennis and Krooß, Philipp and Somsen, Christoph and Gutmann, Matthias Josef and Kireeva, Irina V. and Chumlyakov, Yuriy I. and Schmahl, Wolfgang Wilhelm and Niendorf, Thomas},
title={Effect of nanometric γ´-particles on the stress-induced martensitic transformation in ⟨001⟩-oriented Co49Ni21Ga30 shape memory alloy single crystals},
journal={Scripta Materialia},
year={2019}
}
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2024-06-14T09:19:14Z 2024-06-14T09:19:14Z 2019 doi:10.17170/kobra-2024061210340 http://hdl.handle.net/123456789/15845 © This manuscript version is made available under the CC-BY-NC-ND 4.0 license https://creativecommons.org/licenses/by-nc-nd/4.0/ eng Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ shape memory alloys (SMAs) martensitic phase transformation nanometric particles neutron diffraction Co-Ni-Ga 600 620 660 Effect of nanometric γ´-particles on the stress-induced martensitic transformation in ⟨001⟩-oriented Co49Ni21Ga30 shape memory alloy single crystals Aufsatz The effect of finely dispersed particles on the functional properties and morphology of thermally induced martensite in Co-Ni-Ga shape memory alloys has been already reported in literature, however, still important aspects are not fully understood. The current study focuses on the stress-induced martensitic transformation of solution-annealed, i.e. precipitate-free, and aged 〈001〉-oriented single crystals. In situ optical microscopy and neutron diffraction experiments show a significant influence of γ′-particles on the martensite variant selection and its morphology under pseudoelastic deformation. In addition, the results reveal detwinning upon loading in the presence of nanometric particles, which is experimentally proven for the first time. open access Lauhoff, Christian Reul, Alexander Langenkämper, Dennis Krooß, Philipp Somsen, Christoph Gutmann, Matthias Josef Kireeva, Irina V. Chumlyakov, Yuriy I. Schmahl, Wolfgang Wilhelm Niendorf, Thomas doi:10.1016/j.scriptamat.2019.04.003 Memory-Legierung Martensitumwandlung Nanopartikel Neutronenbeugung Cobaltlegierung Nickellegierung Galliumlegierung acceptedVersion eissn:1872-8456 Scripta Materialia 42-46 Volume 168 false
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