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The effect of antiphase boundaries on the elastic properties of Ni–Mn–Ga austenite and premartensite
- 1.0396738 - ÚT 2014 RIV GB eng J - Journal Article
Seiner, Hanuš - Sedlák, Petr - Bodnárová, Lucie - Drahokoupil, Jan - Kopecký, Vít - Kopeček, Jaromír - Landa, Michal - Heczko, Oleg
The effect of antiphase boundaries on the elastic properties of Ni–Mn–Ga austenite and premartensite.
Journal of Physics-Condensed Matter. Roč. 25, č. 42 (2013), s. 1-10. ISSN 0953-8984. E-ISSN 1361-648X
R&D Projects: GA ČR(CZ) GAP107/11/0391; GA ČR(CZ) GA101/09/0702
Grant - others:AV ČR(CZ) M100761203
Program: M
Institutional research plan: CEZ:AV0Z20760514
Institutional support: RVO:61388998 ; RVO:68378271
Keywords : ferromagnetic shape memory alloys * resonant ultrasound spectroscopy * premartensitic phenomena
Subject RIV: BM - Solid Matter Physics ; Magnetism; BM - Solid Matter Physics ; Magnetism (FZU-D)
Impact factor: 2.223, year: 2013
http://iopscience.iop.org/0953-8984/25/42/425402/article
The evolution of elastic properties with temperature and magnetic field was studied in two differently heat-treated single crystals of the Ni–Mn–Ga magnetic shape memory alloy using resonant ultrasound spectroscopy. Quenching and slow furnace cooling were used to obtain different densities of antiphase boundaries. We found that the crystals exhibited pronounced differences in the c' elastic coefficient and related shear damping in high-temperature ferromagnetic phases (austenite and premartensite).
Permanent Link: http://hdl.handle.net/11104/0224591
Number of the records: 1