Magnesium Alloys

Mg is the most important lightweight engineering alloy enabling future weight-reduced and fuel-saving engineering solutions. Yet, Mg is soft. [more]
In order to identify a method allowing for a fast solute assessment without lengthy ab initio calculations, we analyze correlations and anti-correlation between the I1 stacking fault energies (I1 SFEs), which were shown to be related to the macroscopic ductility inMgalloys, and five material parameters of 18 different elemental solutes. [more]
Metallic alloys are the backbone of manufacturing owing to their strength and formability since more than 5000 years. Compared to polymers they have high mass density. [more]
In this project we conduct together with Dr. Sandlöbes at RWTH Aachen and the department of Prof. Neugebauer ab initio calculations for designing new Mg – Li alloys. Ab initio calculations can accurately predict basic structural, mechanical, and functional properties using only the atomic composition as a basis. [more]
Here we study the activation of non-basal slip systems and its relevance for the ductility in hcp Mg and its alloys. In particular, for Mg–Y alloys where a higher activation of pyramidal dislocation slip causes an increased ductility detailed characterization of the activated slip systems is essential to understand and describe plasticity in these alloys. [more]
In this project group we investigate the microstructure evolution of pure Mg and two Mg–rare-earth alloys (Mg–3 wt.% Dy and Mg–3 wt.% Er) during in situ compression tests by electron backscatter diffraction and electron channelling contrast imaging. [more]
In this project we study - together with the department of Prof. Neugebauer and Dr. Sandlöbes at RWTH Aachen - the underlying mechanisms that are responsible for the improved room-temperature ductility in Mg–Y alloys compared to pure Mg. [more]
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