CRYSTALLIZATION PROCESS OF INTERMETALLIC PHASES IN HIGH SILICON CAST IRON

1 DOJKA Malwina
Co-authors:
1 STAWARZ Marcin
Institution:
1 Silesian University of Technology, Faculty of Mechanical Engineering, Department of Foundry Engineering  Towarowa 7 Street, 44-100 Gliwice, Poland, marcin.stawarz@polsl.pl
Conference:
25th Anniversary International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 25th - 27th 2016
Proceedings:
Proceedings 25th Anniversary International Conference on Metallurgy and Materials
Pages:
154-158
ISBN:
978-80-87294-67-3
ISSN:
2694-9296
Published:
14th December 2016
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
117 views / 46 downloads
Abstract

Presented research focused on high silicon cast iron with 19% silicon content. The studies were conducted in two steps. In the first step the crystallization process analysis using TDA method was executed, metallographic examination on optical microscope was made and calculations in Thermo – Calc were performed. Two different intermetallic phases were noticed in cast alloy: Fe5Si3 and probably Fe2Si. In the second step the EDS analysis on scanning electron microscope was conducted, which has proven the occurrence of primary Fe2Si precipitation. These phases significantly affect the quality of high silicon cast iron.

Keywords: Intermetallic phases, silicon cast iron

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