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Micromechanics of Ferromagnetic Solids with Weak Magnetocrystalline Anisotropy: a Case Study of Ni-Mn-Ga FSMA Austenite
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SYSNO ASEP 0387946 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Micromechanics of Ferromagnetic Solids with Weak Magnetocrystalline Anisotropy: a Case Study of Ni-Mn-Ga FSMA Austenite Author(s) Seiner, Hanuš (UT-L) RID, ORCID
Sedlák, Petr (UT-L) RID, ORCID
Landa, Michal (UT-L) RID
Heczko, Oleg (FZU-D) RID, ORCIDSource Title 8th European Solid Mechanics Conference. - Graz : Verlag der Technischen Universität Graz, 2012 / Holzapfen G.A. ; Ogden R.W. - ISBN 978-3-85125-223-1 Pages s. 1-2 Number of pages 2 s. Publication form Print - P Action European Solid Mechanics Conference - ESMC 2012 /8./ Event date 09.07.2012-13.07.2012 VEvent location Graz Country AT - Austria Event type EUR Language eng - English Country AT - Austria Keywords micromechanics of ferromagnetic solids ; elastic softening ; ferromagnetic shape memory alloy Subject RIV BI - Acoustics Subject RIV - cooperation Institute of Physics - Composite Materials R&D Projects GA101/09/0702 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20760514 - UT-L (2005-2011) AV0Z10100520 - FZU-D (2005-2011) Annotation Ferromagnetic solids with small magnetocrystalline anisotropy energy and large magnetostriction exhibit the so-called "DELTA E" - effect. This effect is based on the contribution of the magnetostriction to the strains of the material under external mechanical loads. At the micro-scale, this contribution is provided by the rotation of the magnetization vectors in the lattice, and is, thus, closely related to the magnetic microstructure of the particular material. The present study analyzes this efect in the Ni-Mn-Ga ferromagnetic shape memory alloy, in which the fine magnetic microstructure is induced by pinning of magnetic domain walls on a dense net of anti-phase boundaries (APBs). Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2013
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