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Physics of Metals and Metallography
Erschienen in: Physics of Metals and Metallography 11/2018

01.11.2018 | STRENGTH AND PLASTICITY

On the Issue of the Improvement of Magnesium Plasticity by Cold Severe Plastic Deformation

verfasst von: D. A. Komkova, O. V. Antonova, A. Yu. Volkov

Erschienen in: Physics of Metals and Metallography | Ausgabe 11/2018

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Abstract

The paper presents the results of a study of the effect of the texture of a magnesium specimen on the mechanical properties of its plates and foils. Three cylindrical specimens with different columnar structure orientation were used for the experiments. The deformation was carried out in two steps at room temperature. First, long magnesium plates 1 mm thick (true deformation e ~ 3.9) were produced by lateral extrusion. These plates were then deformed by rolling to obtain foils, 120 μm thick (e ~ 6.0) and 10 μm thick (e ~ 7.5). It was seen that the sharpness of the basal texture and mechanical properties depend on the orientation of the initial samples. It has been shown that the deformation leads to a significant grain refinement: from several millimeters to several microns. This is due to the simultaneous development of slip, twinning, and dynamic recrystallization processes.
Vorheriger Artikel Strain Transfer across the Ferrite/Cementite Interface in Carbon Steels with Coarse Lamellar Pearlite
Nächster Artikel Mechanical Alloying of Ti–Fe Alloys Using Severe Plastic Deformation by High-Pressure Torsion

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Metadaten
Titel
On the Issue of the Improvement of Magnesium Plasticity by Cold Severe Plastic Deformation
verfasst von
D. A. Komkova
O. V. Antonova
A. Yu. Volkov
Publikationsdatum
01.11.2018
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 11/2018
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X18110108

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