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THERMAL ANALYSIS STUDY OF FECNI AND FECCR BASED SYSTEMS

1 SMETANA Bedřich
Co-authors:
1 DROZDOVÁ Ľubomíra 1 ŘEHÁČKOVÁ Lenka 1 NOVÁK Vlastimil 1 KAWULOKOVÁ Monika 1 VONTOROVÁ Jiřina 1 MACHŮ Mario 1 FRANCOVÁ Hana 1 DOBROVSKÁ Jana
Institution:
1 Faculty of materials science and technology, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, Ostrava-Poruba, 708 00, Czech Republic, EU, bedrich.smetana@vsb.cz
Conference:
28th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 22nd - 24th 2019
Proceedings:
Proceedings 28th International Conference on Metallurgy and Materials
Pages:
42-47
ISBN:
978-80-87294-92-5
ISSN:
2694-9296
DOI:
https://doi.org/10.37904/metal.2019.678
Published:
4th November 2019
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
724 views / 501 downloads
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Abstract

Model alloys based on Fe-C-Ni and Fe-C-Cr with graded carbon, chromium and nickel content were studied. Two devices with various arrangements and principle of measurement were used and solidus, peritectic transformation and liquidus temperatures were precisely determined for prepared model alloys. DTA method with simultaneous thermal analyser Setaram SETSYS 18TM and dilatometry with NETZSCH DIL 402 Expedis Supreme (NanoEye) dilatometer were performed. Phase transition temperatures were studied during crossing from solid to liquid phase. Differences between experimental and theoretical temperatures in order of dozens of degrees of centigrade were observed, especially for solidus and peritectic transformation temperatures.

Keywords: DTA, dilatometry, Fe-C-Ni and Fe-C-Cr based alloys, solid and liquid phase, phase transition temperatures

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