Functional Properties of TiNi Shape Memory Alloy after High Strain Rate Loading

The review on effect of a high strain rate on the properties of TiNi-shape memory alloys is presented. The study of thermo-mechanical and functional properties of SMA after high strain rate loading was carried out. The object of study was an equiatomic TiNi shape memory alloy. The samples were tensi...

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Veröffentlicht in:	Materials science forum 2013-01, Vol.738-739, p.326-331
Hauptverfasser:	Lomunov, Andrey K., Razov, Alexander, Galieva, Alesia, Danilov, Anatoly, Ostropiko, Eugeni, Konstantinov, Alexandr Yu, Bragov, Anatoly M., Grigorieva, Viktoria, Motorin, Alexander
Format:	Artikel
Sprache:	eng
Schlagworte:	High strain rate Intermetallics Martensitic transformations Nickel base alloys Nickel compounds Nickel titanides Shape memory alloys Titanium compounds
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Beschreibung
Zusammenfassung:	The review on effect of a high strain rate on the properties of TiNi-shape memory alloys is presented. The study of thermo-mechanical and functional properties of SMA after high strain rate loading was carried out. The object of study was an equiatomic TiNi shape memory alloy. The samples were tensioned at a strain rate of about 103 s-1 at various temperatures in martensitic, austenitic, and two-phase state, using the Split Hopkinson Pressure Bar technique. Two-way shape memory effects were investigated. Two-way shape memory after high strain rate loading was less than after the quasi-static one for all cases, except for straining in martensitic state.
ISSN:	0255-5476 1662-9752 1662-9752
DOI:	10.4028/www.scientific.net/MSF.738-739.326