Sandra Kauffmann-Weiss, Nils Scheerbaum, Jian Liu, Hansjörg Klauss, Ludwig Schultz, Edith Mäder, Rüdiger Häßler, Gert Heinrich and Oliver Gutfleisch Reversible Magnetic Field Induced Strain in Ni2MnGa-Polymer-Composites Advanced Engineering Materials 14
Composites consisting of magnetic shape memory particles and a polymer matrix combine the advantages of both material classes: the high achievable magnetic field induced strain (MFIS) of Ni-Mn-Ga with a ductile matrix. We investigate important parameters like the stiffness of the polymer matrix as well as the particle-matrix interface. In Ni50.9Mn27.1Ga22.0 epoxy composites, a MFIS of 0.1% is observed and is resettable by rotating the magnetic field by 90°.
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