Datum
2022-10-04Autor
Lauhoff, ChristianPham, ThomasPaulsen, AlexanderKrooß, PhilippFrenzel, JanEggeler, GunterNiendorf, ThomasSchlagwort
660 Chemische Verfahrenstechnik, Technische Chemie Memory-LegierungHeuslersche LegierungCobaltlegierungNickellegierungGalliumlegierungKornwachstumThermomechanische BelastungMetadata
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Artikel (Publikationen im Open Access gefördert durch die UB)
A Novel Thermo-Mechanical Processing Route Exploiting Abnormal Grain Growth in Heusler-Type Co–Ni–Ga Shape Memory Alloys
Zusammenfassung
Heusler-type Co–Ni–Ga shape memory alloys attracted significant scientific attention owing to excellent superelasticity in single-crystalline state. However, due to pronounced anisotropy, polycrystalline Co–Ni–Ga suffers from transformation-induced constraints at grain boundaries and, thus, premature failure upon thermo-mechanical loading. The present study reports on a novel thermo-mechanical processing route. Hot rolling followed by solution-annealing promotes abnormal grain growth, eventually leading to high-performance single-crystalline structures. The procedure proposed offers great potential for a direct microstructure design.
Zitierform
In: Metallurgical and Materials Transactions A Volume 53 / Issue 12 (2022-10-04) , S. 4139-4142 ; eissn:1543-1940Förderhinweis
Gefördert im Rahmen des Projekts DEALSammlung(en)
Publikationen (Fachgebiet Metallische Werkstoffe)Artikel (Publikationen im Open Access gefördert durch die UB)
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@article{doi:10.17170/kobra-202212147222,
author={Lauhoff, Christian and Pham, Thomas and Paulsen, Alexander and Krooß, Philipp and Frenzel, Jan and Eggeler, Gunter and Niendorf, Thomas},
title={A Novel Thermo-Mechanical Processing Route Exploiting Abnormal Grain Growth in Heusler-Type Co–Ni–Ga Shape Memory Alloys},
journal={Metallurgical and Materials Transactions A},
year={2022}
}
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2023-01-02T11:47:51Z 2023-01-02T11:47:51Z 2022-10-04 doi:10.17170/kobra-202212147222 http://hdl.handle.net/123456789/14316 Gefördert im Rahmen des Projekts DEAL eng Namensnennung 4.0 International http://creativecommons.org/licenses/by/4.0/ 660 A Novel Thermo-Mechanical Processing Route Exploiting Abnormal Grain Growth in Heusler-Type Co–Ni–Ga Shape Memory Alloys Aufsatz Heusler-type Co–Ni–Ga shape memory alloys attracted significant scientific attention owing to excellent superelasticity in single-crystalline state. However, due to pronounced anisotropy, polycrystalline Co–Ni–Ga suffers from transformation-induced constraints at grain boundaries and, thus, premature failure upon thermo-mechanical loading. The present study reports on a novel thermo-mechanical processing route. Hot rolling followed by solution-annealing promotes abnormal grain growth, eventually leading to high-performance single-crystalline structures. The procedure proposed offers great potential for a direct microstructure design. open access Lauhoff, Christian Pham, Thomas Paulsen, Alexander Krooß, Philipp Frenzel, Jan Eggeler, Gunter Niendorf, Thomas doi:10.1007/s11661-022-06827-7 Memory-Legierung Heuslersche Legierung Cobaltlegierung Nickellegierung Galliumlegierung Kornwachstum Thermomechanische Belastung publishedVersion eissn:1543-1940 Issue 12 Metallurgical and Materials Transactions A 4139-4142 Volume 53 false
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