THE MICROSTRUCTURE AND PROPERTIES OF MAGNESIUM ALLOYS MG-LI-CA AFTER THE PROCESS OF EXTRUSION

1 BEDNARCZYK Iwona
Co-authors:
1 KUC Dariusz 1 MIKUSZEWSKI Tomasz
Institution:
1 Silesian University of Technology, Katowice, Poland, EU, iwona.bednarczyk@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:
396-400
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:
35 views / 17 downloads
Abstract

The article presents tests results of the influence of hot extrusion process on the microstructure and mechanical properties of alloy Mg-4Li-1Ca. Materials for tests were ingots which included in their chemical composition, apart from Mg and Li as the basic ingredients, such chemical elements as calcium in the amount of 1% mass. Alloy Mg-4Li-1Ca was achieved in the process of smelting in the shielding gas atmosphere (argon) and then casting into graphite moulds. Before the process of straining the ingots underwent homogenisation. An analysis was conducted of the microstructure in initial condition and in condition after plastic deformation with the use of techniques of light and scanning microscopy. The paper presents results of tests of mechanical properties marked in static compression tests in room temperature.

Keywords: Mg-Li-Ca alloys, microstructure, hot deformation, extrusion process
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