| Title: | Continuous vertical casting of a NiTi alloy |
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| Authors: | ID Stambolić, Aleš (Author)
ID Anžel, Ivan (Author)
ID Lojen, Gorazd (Author)
ID Kocijan, Aleksandra (Author)
ID Jenko, Monika (Author)
ID Rudolf, Rebeka (Author)
ID Inštitut za kovinske materiale in tehnologije (Copyright holder) |
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| Files: |  Materiali_in_tehnologije_2016_Stambolic_et_al._Continuous_vertical_casting_of_a_NiTi_alloy.pdf (586,88 KB)
MD5: E96E4C45A0D9839753FCA644682DEEF7
 http://mit.imt.si/Revija/izvodi/mit166/stambolic.pdf
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FS - Faculty of Mechanical Engineering
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| Abstract: | In this paper we present research that is connected to the performance of a series of experiments combined with the vacuum-induction melting and continuous vertical casting of a NiTi alloy in order to produce the strand. The theoretical chosen parameters made it possible to obtain a continuously cast strand with a diameter of 11 mm. The strand microstructures were investigated with a light and scanning electron microscope, while the chemical composition of the single phase was identified with the semi-quantitative micro-analysis energy-dispersive X-ray spectroscopy and inductively coupled plasma – optical emission spectrometry. The research showed that the microstructure is dendritic, where in the inter-dendritic region the eutectic is composed of a dark NiTi phase and a bright TiNi3–x phase. In some areas we found Ti carbides and phases rich in Fe. The micro-chemical analysis of the NiTi strand showed that the composition changed over the cross and longitudinal sections, which is proof that the as-cast alloys are inhomogeneous. In the final part, the electrochemical behaviours of NiTi strand samples were compared to a commercially available NiTi cast alloy with the same composition. |
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| Keywords: | NiTi alloy, continuous vertical casting, microstructure, potentiodynamic and impedance test |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publisher: | Inštitut za kovinske materiale in tehnologije Ljubljana |
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| Year of publishing: | 2016 |
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| Number of pages: | str. 981-988 |
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| Numbering: | Letn. 50, št. 6 |
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| PID: | 20.500.12556/DKUM-65173  |
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| ISSN: | 1580-2949 |
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| UDC: | 621.74.047:669.24:669.295 |
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| ISSN on article: | 1580-2949 |
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| COBISS.SI-ID: | 20059926 |
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| DOI: | 10.17222/mit.2016.111 |
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| NUK URN: | URN:SI:UM:DK:36SBLQT3 |
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| Publication date in DKUM: | 14.03.2017 |
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| Views: | 1560 |
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| Downloads: | 419 |
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| Metadata: |    |
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| Categories: | Misc.
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