Abstract
In this work, ribbons of composition Ni50−x Co x Mn38Sn12 (x = 1, 2, and 3 at%.) were produced by the melt-spinning technique. Martensitic transformation shifts to lower temperatures with increasing (a) concentration of Co or (b) the external magnetic field. Structure at room temperature of alloys with x = 1 and x = 2 is martensite (monoclinic with a 10 M modulation), whereas for the alloy with x = 3 is austenitic. The temperature shift directly reports the valence electrons concentration per atom e/a of alloys.
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Acknowledgments
This research was supported by the project MAT2013-47231-C2-2-P. The authors would like to thank Prof. Leila Mahfoudhi from the English Language Unit at the Faculty of Science of Sfax, Tunisia, for his language polishing and proofreading services.
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Bachaga, T., Daly, R., Suñol, J.J. et al. Effects of Co Additions on the Martensitic Transformation and Magnetic Properties of Ni–Mn–Sn Shape Memory Alloys. J Supercond Nov Magn 28, 3087–3092 (2015). https://doi.org/10.1007/s10948-015-3100-z
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DOI: https://doi.org/10.1007/s10948-015-3100-z