Abstract
Abstract The aim of this work was to investigate the deformation mechanism in a highly alloyed austenitic Mn-steel, because these steels can deform by twinning and/or slip. Deformation by localized twinning or slip leads to formation of deformation structures on the surface, which are either bundles of deformation twins or slip bands. Such deformation structures around a standard Vickers hardness indent were investigated by means of scanning electron microscopy and electron backscatter diffraction to study the active deformation mechanism. Energy dispersive x-ray spectroscopy was conducted in order to study influences of segregation on the deformation. The main result of the investigations is that the deformation structures are formed by dislocation slip in the (101)-orientation and that an influence of segregations in the alloy composition on the deformation mechanism was not observed.
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