Datum
2018-03-22Autor
Lauhoff, ChristianKrooß, PhilippLangenkämper, DennisSomsen, ChristophEggeler, GunterKireeva, Irina V.Chumlyakov, Yuriy I.Niendorf, ThomasSchlagwort
620 Ingenieurwissenschaften 660 Chemische Verfahrenstechnik, Technische Chemie HochtemperaturMemory-LegierungCobaltlegierungNickellegierungGalliumlegierungMartensitMetadata
Zur Langanzeige
Aufsatz
Martensite aging in ⟨001⟩ oriented Co₄₉ Ni₂₁ Ga₃₀ single crystals in tension
Zusammenfassung
Co–Ni–Ga high-temperature shape memory alloys (HT-SMAs) are well-known candidate materials for damping applications at elevated temperatures. Recent studies showed that upon heat treatment in stress-induced martensite under compressive loads transformation temperatures can be increased significantly, qualifying Co–Ni–Ga for HT-actuation. The increase in transformation temperatures is related to a change in chemical order recently validated via neutron diffraction experiments. Since SMAs show distinct tension–compression asymmetry in terms of theoretical transformation strains and bearable stresses, understanding the impact of martensite aging in tension is crucial for future applications. The current results indicate that martensite aging in tension provides for a further improvement in functional properties.
Zitierform
In: Functional Materials Letter Vol. 11 / No. 2 (2018-03-22) eissn:1793-7213Zitieren
@article{doi:10.17170/kobra-202305027925,
author={Lauhoff, Christian and Krooß, Philipp and Langenkämper, Dennis and Somsen, Christoph and Eggeler, Gunter and Kireeva, Irina V. and Chumlyakov, Yuriy I. and Niendorf, Thomas},
title={Martensite aging in ⟨001⟩ oriented Co₄₉ Ni₂₁ Ga₃₀ single crystals in tension},
journal={Functional Materials Letter},
year={2018}
}
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2023-05-03T13:20:39Z 2023-05-03T13:20:39Z 2018-03-22 doi:10.17170/kobra-202305027925 http://hdl.handle.net/123456789/14647 eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ high-temperature shape memory alloys actuation SIM aging Co–Ni–Ga martensite stabilization 620 660 Martensite aging in ⟨001⟩ oriented Co₄₉ Ni₂₁ Ga₃₀ single crystals in tension Aufsatz Co–Ni–Ga high-temperature shape memory alloys (HT-SMAs) are well-known candidate materials for damping applications at elevated temperatures. Recent studies showed that upon heat treatment in stress-induced martensite under compressive loads transformation temperatures can be increased significantly, qualifying Co–Ni–Ga for HT-actuation. The increase in transformation temperatures is related to a change in chemical order recently validated via neutron diffraction experiments. Since SMAs show distinct tension–compression asymmetry in terms of theoretical transformation strains and bearable stresses, understanding the impact of martensite aging in tension is crucial for future applications. The current results indicate that martensite aging in tension provides for a further improvement in functional properties. open access Lauhoff, Christian Krooß, Philipp Langenkämper, Dennis Somsen, Christoph Eggeler, Gunter Kireeva, Irina V. Chumlyakov, Yuriy I. Niendorf, Thomas doi:10.1142/S1793604718500248 Hochtemperatur Memory-Legierung Cobaltlegierung Nickellegierung Galliumlegierung Martensit publishedVersion eissn:1793-7213 No. 2 Functional Materials Letter Vol. 11 false 1850024
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