Martensitic Transformation and Metamagnetic Shape Memory Effect in Ni46Co4Mn37in13 Heusler Alloy

Jing, C.; Zhang, H. L.; Yu, D. H.; Cao, S. X.; Zhang, J.C.; Li, Z.

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Martensitic Transformation and Mechanical Properties of Fe-Doped Ni₅₄Mn₂₁Ga₂₅ Alloys, p.500
Martensitic Transformation and Metamagnetic Shape Memory Effect in Ni₄₆Co₄Mn₃₇in₁₃ Heusler Alloy, p.505
Numerical Investigations of Thermally Induced Transformation, Reorientation of Martensite Variants and Shape Memory Effect Using Constitutive Model for Accommodation of Transformation Strain, p.510
Research on the Properties of Nano Core-Shell Ni/TiO₂/Urea EMR Fluid, p.519
Synthesis and Performance of Super Absorbent Resin with Acrylic Acid-Acrylamide, p.523
The Effect of Vacancy on the Phase Stability of TiNi Shape Memory Alloy from First-Principle Calculation, p.528

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Paper Title:

Martensitic Transformation and Metamagnetic Shape Memory Effect in Ni₄₆Co₄Mn₃₇in₁₃ Heusler Alloy

Periodical	Materials Science Forum (Volume 687)
Main Theme	Functional and Electronic Materials
Edited by	Chengming Li, Chengbao Jiang, Zhiyong Zhong and Yichun Zhou
Pages	505-509
DOI	10.4028/www.scientific.net/MSF.687.505
Citation	C. Jing et al., 2011, Materials Science Forum, 687, 505
Online since	June, 2011
Authors	C. Jing, H. L. Zhang, Z. Li, D. H. Yu, S. X. Cao, J.C. Zhang
Keywords	Heusler Alloy, Martensitic Transition, Metamagnetic Shape Memory Effect
Price	US$ 28,-

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Abstract

The phase transition strain and magnetostrain during the martensitic transformation have been systematically investigated in Ni₄₆Co₄Mn₃₇In₁₃ Heusler alloy. A large phase transition strain with the value of about 0.25% upon martensitic transition has been observed, which is much larger than that in other metamagnetic shape memory alloys. In addition, such phase transition strain can be also obtained by the field change of about 50 kOe, exhibiting a large metamagnetic shape memory effect with nonprestrain. This behavior can be attributed to magnetoelastic coupling, which is caused by large difference in Zeeman energy between austenitic and martensitic phases.