Home Kovove Materialy-Metallic Materials 2019 Kovove Materialy-Metallic Materials Vol. 57 (2019), no. 3, pp.159–165

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Kovove Materialy-Metallic Materials Vol. 57 (2019), no. 3, pp.159–165

Title: WE43 magnesium alloy – material for challenging applications
Author: J. Kubásek, D. Dvorský, M. Čavojský, M. Roudnická, D. Vojtech

Abstract: WE43 magnesium alloy is a commercial light-weight material developed for application
at temperatures up to 250◦C. This alloy is also considered for applications in medicine as a
biodegradable material. The present study provides microstructure characterization and related
mechanical properties of the WE43 alloy prepared by different processing techniques
including casting, extrusion, rotary swaging and heat treatment. Results indicate huge differences
in observed microstructures, such as precipitation of secondary phases, grain coarsening,
texture formation and also concomitant changes of mechanical properties, such as tensile yield
strength, ultimate tensile strength, compressive yield strength, ultimate compressive strength
and elongation to fracture. Although this material is well-known, WE43 prepared in this study
by a combination of extrusion and rotary swaging offered highly improved mechanical properties,
including a tensile yield strength of 370MPa and elongation of 15 %. Such a combination
of values is rarely seen in literature and is not generally offered for commercially produced
materials although both preparation methods are easily commercially available.

Keywords: magnesium, WE43 alloy, thermomechanical treatment, microstructure, mechanical properties
Published online: 21-May-2019
Year: 2019, Volume: 57, Issue: 3 Page From: 159, Page To: 165

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