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1 Journal of Applied Materials Engineering

1 2020

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Selected Properties of High Entropy Alloys Based on the AlFeMnNbNiTi System

Chrzan Konrad, Cichocki Kamil, Adamczyk Piotr, Muszka Krzysztof

Journal of Applied Materials Engineering

2020

Vol. 60, iss. 2-3

71--80

The aim of this work was to study the impact of various fabrication methods used to prepare high entropy alloys based on the AlFeMnNbNiTi system. Chemical composition was customized to ensure a solid solution structure with precipitation of the Laves phase. The three manufactured alloys were prepared by melting, but with the use of various input materials and different furnaces in protective atmospheres. After the melting process, heat treatment was carried out. Structures of obtained materials were analyzed by means of a Scanning Electron Microscope (SEM) and Energy-Dispersive X-ray Spectroscopy (EDS) mapping. Mechanical properties were represented by Vickers hardness. In this paper, impact of the use of low purity input materials is shown, as well as differences in structure resulting from the utilization of different melting furnaces.