Dynamic imaging of twin formation in NiMnGa based magnetic shapememory alloys under cyclic magnetic field.

Magnetic shape memory alloys (MSMA) are a unique class of material which produce huge elongation (up to 6%) upon the application of a magnetic field. This combined with their fast response makes them ideal for actuator applications. They achieve these unique properties through a deformation mechanism called twinning. Twinning is an important phenomenon which is widespread in metals and alloys. Because of the high speed of twinning these are often studied after the phenomenon has...
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