INFLUENCE OF HOT WORKING AND COOLING CONDITONS ON THE MICROSTRUCTURE AND PROPERTIES OF C70D STEEL FOR WIRE ROD

1 NIEWIELSKI Grzegorz
Co-authors:
1 KUC Dariusz 1 HADASIK Eugeniusz 1 BEDNARCZYK Iwona
Institution:
1 Silesian University of Technology, Katowice, Poland, EU, grzegorz.niewielski@polsl.pl
Conference:
26th International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 24th - 26th 2017
Proceedings:
Proceedings 26th International Conference on Metallurgy and Materials
Pages:
490-495
ISBN:
978-80-87294-79-6
ISSN:
2694-9296
Published:
9th January 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
558 views / 231 downloads
Abstract

The article presents the results of tests of influence of the thermo-mechanical treatment parameters on the mechanical properties and microstructure of steel C70D for wire rod. The methodology of quantitative description of pearlite morphology in steels with the use of the method on which a new computer program "PILS" - Pearlite Inter-Lamellar Spacing is based was presented. In order to verify the method, some quantitative tests of microstructure in samples after physical simulation of heat-plastic treatment were conducted on a deformation dilatometer device with diverse cooling rate for steel C70D. The process of rolling was conducted in simulation in continuous finishing train arrangement. Elaborated program and conducted tests will be used during preparations of modified technologies of wire rod rolling to prepare products made of steel, the microstructure of which is characterized with smaller interlamellar spacing.

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