The Ductility and Shape-Memory Properties of Ni–Mn–Ga–Cu Heusler Alloys

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作者：
Agnieszka Brzoza-Kos
Eduard Cesari
Maciej Jakub Szczerba
机构：
[1] Polish Academy of Sciences,Institute of Metallurgy and Materials Science
[2] Universitat de les Illes Balears,Departament de Física
来源：
Metallurgical and Materials Transactions A | 2022年 / 53卷
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摘要：
The effect of Cu addition on crystal structure, compressive properties and shape-memory effect of Ni50Mn25Ga25−xCux alloys was studied. With increasing Cu content, the type of crystal structure evolves following a sequence: L21 → 10M → 2M → 2M+γ. Addition of Cu significantly improves room temperature ductility. In polycrystalline Ni50Mn25Ga17Cu8 alloy, a full recoverable strain equal to 7 pct was achieved. High martensitic transformation temperature and large shape-memory effect makes this material potential candidate in high-temperature shape-memory applications.
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页码：359 / 363
页数：4
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