Paper Title:
NiMn-Based Metamagnetic Shape Memory Alloys
  Abstract

The magnetic properties of the parent and martensite phases of the Ni2Mn1+xSn1-x and Ni2Mn1+xIn1-x ternary alloys and the magnetic field-induced shape memory effect obtained in NiCoMnIn alloys are reviewed, and our recent work on powder metallurgy performed for NiCoMnSn alloys is also introduced. The concentration dependence of the total magnetic moment for the parent phase in the NiMnSn alloys is very different from that in the NiMnIn alloys, and the magnetic properties of the martensite phase with low magnetization in both NiMnSn and NiMnIn alloys has been confirmed by Mössbauer examination as being paramagnetic, but not antiferromagnetic. The ductility of NiCoMnSn alloys is drastically improved by powder metallurgy using the spark plasma sintering technique, and a certain degree of metamagnetic shape memory effect has been confirmed.

  Info
Periodical
Edited by
V. A. Chernenko and J. M. Barandiaran
Pages
23-31
DOI
10.4028/www.scientific.net/MSF.635.23
Citation
R. Kainuma, K. Ito, W. Ito, R.Y. Umetsu, T. Kanomata, K. Ishida, "NiMn-Based Metamagnetic Shape Memory Alloys", Materials Science Forum, Vol. 635, pp. 23-31, 2010
Online since
December 2009
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