Lakhani, Archana ; Dash, S. ; Banerjee, A. ; Chaddah, P. ; Chen, X. ; Ramanujan, R. V. (2011) Tuning the austenite and martensite phase fraction in ferromagnetic shape memory alloy ribbons of Ni45Co5Mn38Sn12 Applied Physics Letters, 99 (24). 242503_1-242503_3. ISSN 0003-6951
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Official URL: http://apl.aip.org/resource/1/applab/v99/i24/p2425...
Related URL: http://dx.doi.org/10.1063/1.3669510
Abstract
The ferromagnetic shape memory alloy ribbons with composition Ni45Co5Mn38Sn12 are shown to have field induced kinetically arrested ferromagnetic austenite phase down to the low temperature due to hindered martensite transformation. This gives rise to the coexisting martensite and austenite phases in a wide range of temperature and field. Here, we show a systematic rise in arrested austenite phase with the reduction in martensite phase quantitatively by various magnetization measurements. The fraction of these coexisting phases can be tuned in "field-temperature" space. Further, we show that the "domain" of tunability varies with temperature.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Cobalt Alloys; Ferromagnetic Materials; Magnetic Domains; Manganese Alloys; Martensitic Transformations; Nickel Alloys; Shape Memory Effects; Tin Alloys |
| ID Code: | 84443 |
| Deposited On: | 27 Feb 2012 13:16 |
| Last Modified: | 27 Feb 2012 13:16 |
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