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Metals 2013, 3(4), 319-336; doi:10.3390/met3040319

Twinning Phenomena along and beyond the Bain Path

1,2,3,* , 1,2
1 IFW Dresden, P.O. Box 270116, 01171 Dresden, Germany 2 TU Dresden, Institute of Materials Science, 01062 Dresden, Germany 3 TU Chemnitz, Institute of Physics, 09107 Chemnitz, Germany 4 TU Bergakademie Freiberg, Institute of Materials Science, 09596 Freiberg, Germany
* Author to whom correspondence should be addressed.
Received: 24 July 2013 / Revised: 11 September 2013 / Accepted: 26 September 2013 / Published: 9 October 2013
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Twinning is a phenomenon that occurs, e.g., during deformation, martensitic transformation and film growth. The present study shows that the crystallography of twinning can be described by two twinning modes along the complete Bain transformation path and beyond connecting body-centered and face-centered cubic structures. To probe this concept, we used strained epitaxial films of the Fe-Pd magnetic shape memory system. As the substrate acts as an absolute reference frame, we could show by pole figure measurements that all observed twinning can be a body-centered and face-centered cubic twinning mode. This continuously transforms towards identity when approaching the complementary structure.
Keywords: deformation twinning; transformation twinning; adaptive twinning; magnetic shape memory; Fe-Pd deformation twinning; transformation twinning; adaptive twinning; magnetic shape memory; Fe-Pd
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Kauffmann-Weiss, S.; Kauffmann, A.; Niemann, R.; Freudenberger, J.; Schultz, L.; Fähler, S. Twinning Phenomena along and beyond the Bain Path. Metals 2013, 3, 319-336.

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