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Formation of Ni-Ti intermetallics during reactive sintering at 500-650 degrees C
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SYSNO ASEP 0486479 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Formation of Ni-Ti intermetallics during reactive sintering at 500-650 degrees C Author(s) Novák, P. (CZ)
Pokorný, P. (CZ)
Vojtěch, V. (CZ)
Knaislová, A. (CZ)
Školáková, A. (CZ)
Čapek, J. (CZ)
Karlík, M. (CZ)
Kopeček, Jaromír (FZU-D) RID, ORCIDNumber of authors 8 Source Title Materials Chemistry and Physics. - : Elsevier - ISSN 0254-0584
Roč. 155, Apr (2015), s. 113-121Number of pages 9 s. Language eng - English Country CH - Switzerland Keywords intermetallic compounds ; powder metallurgy ; electron microscopy ; microstructure Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GA14-03044S GA ČR - Czech Science Foundation (CSF) Institutional support FZU-D - RVO:68378271 UT WOS 000351649400016 EID SCOPUS 84924539245 DOI 10.1016/j.matchemphys.2015.02.007 Annotation In this work, the formation of intermetallics in Ni–Ti system by reactive sintering at 500 and 650 °C was studied. Mechanism and kinetics of the reactions leading to Ni–Ti phases were determined by DTA and the application of an experimental model consisted of nickel-plated titanium. It was found that Ti2Ni phase forms already at 500 °C. At 650 °C this phase undergoes a reaction with nickel to NiTi and Ni3Ti. The reactions were determined to be diffusion-controlled. The formation of Ni3Ti contributes to the porosity evolution during reactive sintering production of NiTi alloy.
Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2018
Number of the records: 1