Effect of partial substitution of Fe by Mn in Ni55Fe19Ga26 on its microstructure and magnetic properties

•Effect of Mn in Ni55Fe19Ga26 on microstructure and MCE is presented.•Mn stabilizes 14M martensite in place of NM martensite.•Increasing Mn also leads to a drastic reduction in γ-phase content.•MCE shows significant improvement with increasing Mn.•A maximum value of ΔSM= −19.8J/kgK has been observed...

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Veröffentlicht in:	Journal of alloys and compounds 2014-02, Vol.586, p.515-523
Hauptverfasser:	Sarkar, Sudip Kumar, Biswas, Aniruddha, Babu, P.D., Kaushik, S.D., Srivastava, Amita, Siruguri, Vasudeva, Krishnan, Madangopal
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Cross-disciplinary physics: materials science rheology Differential scanning calorimetry Exact sciences and technology FSMA Iron Magnetic properties Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Magnetization Magnetocaloric effect Magnetocaloric effect, magnetic cooling Manganese Martensite Martensitic transformation Martensitic transformations Materials science Nickel base alloys NiFeMnGa Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Scanning electron microscopy
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