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Effect of alloying elements on the reactive sintering behaviour of NiTi alloy
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SYSNO ASEP 0474070 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Effect of alloying elements on the reactive sintering behaviour of NiTi alloy Author(s) Novák, P. (CZ)
Salvetr, P. (CZ)
Školáková, A. (CZ)
Karlík, M. (CZ)
Kopeček, Jaromír (FZU-D) RID, ORCIDNumber of authors 5 Source Title Materials Science Forum, 891. - Zürich : Trans Tech Publications Ltd, 2017 / Hornak P. ; Longauerova M. ; Zubko P. - ISSN 0255-5476 - ISBN 9783035710182 Pages s. 447-451 Number of pages 5 s. Publication form Print - P Action International Symposium on Metallography and Materials Science /16./ Event date 20.04.2016 - 22.04.2016 VEvent location Stará Lesná Country SK - Slovakia Event type EUR Language eng - English Country CH - Switzerland Keywords NiTi alloy ; shape memory ; powder metallurgy ; reactive sintering Subject RIV JG - Metallurgy OECD category Materials engineering R&D Projects GA14-03044S GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 EID SCOPUS 85017009081 DOI 10.4028/www.scientific.net/MSF.891.447 Annotation NiTi alloy is usually prepared by casting and forming. As an innovative process, reactive sintering powder metallurgy is tested worldwide, aiming to prepare pure NiTi alloy easily from nickel and titanium powders. This process enables to prepare both porous and low-porosity alloy, depending on the process conditions. However, the formation of NiTi phase in this process is always accompanied by the Ti2Ni phase, which is hard, brittle, less corrosion resistant and does not have the shape memory. In this work, various alloying elements (Al, Si, Mg, Fe, Nb, V) were added to Ni-Ti alloy in order to lower the amount of Ti2Ni phase or at least to minimize its undesirable effect on the alloy properties. The reactive sintering behaviour, phase composition and mechanical properties of Ni-Ti-X alloys were described. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
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