Abstract
This work aims to investigate the effect of aluminium addition on the microstructural, microhardness, and compressive strength properties of AlxFeNiCrMn (x = 10, 15 and 20 atom %) high entropy alloys (HEAs) prepared by arc-melting method. The microstructure and phase formation of the developed HEAs were examined using scanning electron microscope (SEM) and X-ray diffractometry (XRD), respectively. The hardness was measured using a diamond base microhardness tester and the compression tests were carried out using the Instron 1342 machine. The increase in Al content promoted the formation of a dendritic structure. Alloys consisted of a mixture of FCC and BCC solid-solution phases. However, the addition of Al increased the intensity of the BCC phase. The mechanical properties of the alloys were improved.
Published Version
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