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http://hdl.handle.net/2080/1662
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| DC Field | Value | Language |
|---|
| contributor.author | Behera, Ajit | - |
| contributor.author | Mishra, S C | - |
| date.accessioned | 2012-04-04T10:33:47Z | - |
| date.available | 2012-04-04T10:33:47Z | - |
| date.issued | 2012-02 | - |
| identifier.citation | Proceedings of RAMM-2012, 25-26 February 2012, VSS University of Technology, Burla, Odisha, India | en |
| identifier.uri | http://hdl.handle.net/2080/1662 | - |
| description | Copyright belongs to proceeding publisher | en |
| description.abstract | Ferromagnetic shape memory alloys (FSMA) are a new class of potential multifunctional
materials with advancement over the conventional heat-driven shape memory alloys due to their
exceptional properties. FSMAs can be controlled by magnetic field have attracted considerable
attention as a type of magnetic actuator materials. Among the Heusler alloys that exhibit
magnetic shape memory effect, the most extensively studied are those of the Ni-Mn-Ga system.
However, to overcome some of the problems related to practical application, such as the high
cost of gallium and the low martensitic transformation temperature that they usually present, the
search for Ga-free alloys has been recently attempted. This paper aims to represent the behavior
of Ga free Ni-Mn-Sn Heusler FSMA by varying the weight percentage of Sn. Three alloys i.e.
Mn50Ni50-xSnx (x = 5, 7.5, and 10) were produced as bulk polycrystalline ingots by arc melting.
The structural austenite-martensite transformation was checked by Differential Scaning
calorimetry (DSC). It is found that, the transformation temperatures gradually decrease as
increasing the Sn content. Multiple martensitic transformations, such as two- or three-step
martensitic transformations, occur in all these alloy systems. Microstructure and elemental
composition of prepared specimen were examined by using a Scanning Electron Microscope
(SEM) equipped with a microanalysis system. Therefore, the present Ga-free Ni-Mn-Sn Heusler
FSMAs have the great possibility to use in high temperature application and can present a large
magnetic-field-induced strain. | en |
| format.extent | 236973 bytes | - |
| format.mimetype | application/pdf | - |
| language.iso | en | - |
| subject | Ferromagnetic Shape Memory Alloys (FSMAs) | en |
| subject | Ni-Mn-Sn | en |
| subject | martensitic transformation | en |
| title | Analysis of Martensitic Transformation in Ni-Mn-Sn FSMA | en |
| type | Article | en |
| Appears in Collections: | Conference Papers
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| File |
Description |
Size | Format |
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| Analysis of Martensitic Transformation in Ni-Mn-Sn FSMA.pdf | | 231Kb | Adobe PDF | View/Open |
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