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THE TI – SI INTERMETALLIC PHASES SYNTHESIS BY SHS METHOD

1 RZEPA Sylwia
Co-authors:
1 CHLUBNY Leszek 2 BUCKI Tomasz
Institutions:
1 AGH University of Science and Technology, Kraków, Poland, EU, e-mail: sylwrz94@gmail.com
2 Kielce University of Technology, Kielce, Poland, EU
Conference:
27th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 23rd - 25th 2018
Proceedings:
Proceedings 27th International Conference on Metallurgy and Materials
Pages:
1699-1704
ISBN:
978-80-87294-84-0
ISSN:
2694-9296
Published:
24th October 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
370 views / 264 downloads
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Abstract

The self-propagating high temperature synthesis (SHS) was used to fabricate Ti-Si intermetallic phases. The phases were synthesized by the exothermic reaction between Ti and Si powders with proportions corresponding to the composition of Ti3Si, Ti5Si3, Ti5Si4, TiSi and TiSi2 phases. The XRD method was used to analyze the phase composition. The process resulted in formation of Ti5Si3, Ti5Si4, TiSi and TiSi2 phases. A Ti3Si phase did not occur in any produced specimens. XRD analysis showed that substrates can react with graphite mold, creating the phases containing carbon. Effect of Ti particles granulation on the phase composition was also analyzed. The results for samples fabricated by using coarse-grained Ti particles showed that this element has not reacted completely, while reducing of the granulation led to complete reaction.

Keywords: SHS method, titanium, silicon, intermetallic phases, XRD

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