Paper Title:
Polycrystalline Ni-Mn-Ga as a Potential Material for Magnetically Driven Actuators
  Abstract

Textured polycrystalline Ni-Mn-Ga alloys were prepared by directional solidification. Alloys were chosen to have the 5M modulated martensitic structure after proper heat treatment. A two-side mechanical training decreased the twin boundary pinning stress. The stress-strain behaviour for the training process and the magnetically induced stress depends on the training direction. Magnetic field induced strain was demonstrated in samples with a plate-like geometry. The influence of the microstructure on the magneto-mechanical behaviour is discussed.

  Info
Periodical
Edited by
V.A. Chernenko
Pages
129-137
DOI
10.4028/www.scientific.net/MSF.684.129
Citation
M. Pötschke, S. Roth, U. Gaitzsch, C. Hürrich, A. Böhm, L. Schultz, "Polycrystalline Ni-Mn-Ga as a Potential Material for Magnetically Driven Actuators", Materials Science Forum, Vol. 684, pp. 129-137, 2011
Online since
May 2011
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