http://hdl.handle.net/20.500.12128/8060
Tytuł: | Structure and Properties of NiTi Shape Memory Alloy after Cold Rolling in Martensitic State |
Autor: | Świec, Paweł Zubko, Maciej Lekston, Zdzisław Stróż, Danuta |
Słowa kluczowe: | nickel titanium alloys; shape memory alloys |
Data wydania: | 2016 |
Źródło: | Acta Physica Polonica. A, Vol. 130, no. 4 (2016), s. 1081-1084 |
Abstrakt: | Due to unique features, like shape memory effects and superelasticity, NiTi alloys with nearly equiatomic composition are used in various branches of industry. Application of severe plastic deformation can drastically change properties of the materials. In the present paper the Ni50:4Ti49:6 alloy after cold rolling in the martensitic state and further annealed is studied. Phase transformations were studied using X-ray diffraction and differential scanning calorimetry measurements. Microstructure was examined using transmission electron microscopy and electron backscattering diffraction methods. Mechanical properties of obtained alloys has been studied using Vickers microhardness tests. Based on the performed measurements it can be seen that in studied alloys two steps B2 $ R $ B190 phase transitions occurred. Performed plastic deformation influences course of phase transitions and phases composition. Due to the reduction of grain size microhardness of the studied material is increasing with increase of deformation degree. |
URI: | http://hdl.handle.net/20.500.12128/8060 |
DOI: | 10.12693/APhysPolA.130.1081 |
ISSN: | 0587-4246 |
Pojawia się w kolekcji: | Artykuły (WNŚiT) |
Plik | Opis | Rozmiar | Format | |
---|---|---|---|---|
Swiec_Structure_and_Properties_of_NiTi.pdf | 946,6 kB | Adobe PDF | Przejrzyj / Otwórz |
Uznanie autorstwa - użycie niekomercyjne, bez utworów zależnych 3.0 Polska Creative Commons