Effect of Stacking Fault Energy on Microstructure and Texture Evolution during the Rolling of Non-Equiatomic CrMnFeCoNi High-Entropy Alloys

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ID: 117021
2020
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Abstract
The evolution of microstructure and texture in three non-equiatomic CrMnFeCoNi high-entropy alloys (HEAs) with varying stacking fault energy (SFE) has been studied in up to 90% rolling reductions at both room and cryogenic temperature. All the HEAs deform by dislocation slip and additional mechanical twinning at intermediate and shear banding at high rolling strains. The microstructure is quite heterogeneous and, with strain, becomes highly fragmented. During rolling, a characteristic brass-type texture develops. Its strength increases with a decreasing SFE and the lowering of the rolling temperature. The texture evolution is discussed with regard to planar slip, mechanical twinning, and shear banding.
Reference Key
sathiaraj2020crystalseffect Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors G. Dan Sathiaraj;Rajib Kalsar;Satyam Suwas;Werner Skrotzki;Sathiaraj, G. Dan;Kalsar, Rajib;Suwas, Satyam;Skrotzki, Werner;
Journal crystals
Year 2020
DOI
10.3390/cryst10070607
URL
https://www.mdpi.com/2073-4352/10/7/607/htm
Keywords
microstructure texture twinning high-entropy alloy cold-rolling cryo-rolling shear banding

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